| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "keymaster_hidl_hal_test" |
| #include <cutils/log.h> |
| |
| #include <iostream> |
| |
| #include <openssl/evp.h> |
| #include <openssl/mem.h> |
| #include <openssl/x509.h> |
| |
| #include <cutils/properties.h> |
| |
| #include <keymasterV4_0/attestation_record.h> |
| #include <keymasterV4_0/key_param_output.h> |
| #include <keymasterV4_0/openssl_utils.h> |
| |
| #include "KeymasterHidlTest.h" |
| |
| static bool arm_deleteAllKeys = false; |
| static bool dump_Attestations = false; |
| |
| namespace android { |
| namespace hardware { |
| |
| template <typename T> |
| bool operator==(const hidl_vec<T>& a, const hidl_vec<T>& b) { |
| if (a.size() != b.size()) { |
| return false; |
| } |
| for (size_t i = 0; i < a.size(); ++i) { |
| if (a[i] != b[i]) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| namespace keymaster { |
| namespace V4_0 { |
| |
| bool operator==(const AuthorizationSet& a, const AuthorizationSet& b) { |
| return a.size() == b.size() && std::equal(a.begin(), a.end(), b.begin()); |
| } |
| |
| bool operator==(const KeyCharacteristics& a, const KeyCharacteristics& b) { |
| // This isn't very efficient. Oh, well. |
| AuthorizationSet a_sw(a.softwareEnforced); |
| AuthorizationSet b_sw(b.softwareEnforced); |
| AuthorizationSet a_tee(b.hardwareEnforced); |
| AuthorizationSet b_tee(b.hardwareEnforced); |
| |
| a_sw.Sort(); |
| b_sw.Sort(); |
| a_tee.Sort(); |
| b_tee.Sort(); |
| |
| return a_sw == b_sw && a_tee == b_tee; |
| } |
| |
| namespace test { |
| namespace { |
| |
| template <TagType tag_type, Tag tag, typename ValueT> |
| bool contains(hidl_vec<KeyParameter>& set, TypedTag<tag_type, tag> ttag, ValueT expected_value) { |
| size_t count = std::count_if(set.begin(), set.end(), [&](const KeyParameter& param) { |
| return param.tag == tag && accessTagValue(ttag, param) == expected_value; |
| }); |
| return count == 1; |
| } |
| |
| template <TagType tag_type, Tag tag> |
| bool contains(hidl_vec<KeyParameter>& set, TypedTag<tag_type, tag>) { |
| size_t count = std::count_if(set.begin(), set.end(), |
| [&](const KeyParameter& param) { return param.tag == tag; }); |
| return count > 0; |
| } |
| |
| constexpr char hex_value[256] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, // '0'..'9' |
| 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 'A'..'F' |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 'a'..'f' |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; |
| |
| string hex2str(string a) { |
| string b; |
| size_t num = a.size() / 2; |
| b.resize(num); |
| for (size_t i = 0; i < num; i++) { |
| b[i] = (hex_value[a[i * 2] & 0xFF] << 4) + (hex_value[a[i * 2 + 1] & 0xFF]); |
| } |
| return b; |
| } |
| |
| char nibble2hex[16] = {'0', '1', '2', '3', '4', '5', '6', '7', |
| '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; |
| |
| string bin2hex(const hidl_vec<uint8_t>& data) { |
| string retval; |
| retval.reserve(data.size() * 2 + 1); |
| for (uint8_t byte : data) { |
| retval.push_back(nibble2hex[0x0F & (byte >> 4)]); |
| retval.push_back(nibble2hex[0x0F & byte]); |
| } |
| return retval; |
| } |
| |
| string rsa_key = hex2str( |
| "30820275020100300d06092a864886f70d01010105000482025f3082025b" |
| "02010002818100c6095409047d8634812d5a218176e45c41d60a75b13901" |
| "f234226cffe776521c5a77b9e389417b71c0b6a44d13afe4e4a2805d46c9" |
| "da2935adb1ff0c1f24ea06e62b20d776430a4d435157233c6f916783c30e" |
| "310fcbd89b85c2d56771169785ac12bca244abda72bfb19fc44d27c81e1d" |
| "92de284f4061edfd99280745ea6d2502030100010281801be0f04d9cae37" |
| "18691f035338308e91564b55899ffb5084d2460e6630257e05b3ceab0297" |
| "2dfabcd6ce5f6ee2589eb67911ed0fac16e43a444b8c861e544a05933657" |
| "72f8baf6b22fc9e3c5f1024b063ac080a7b2234cf8aee8f6c47bbf4fd3ac" |
| "e7240290bef16c0b3f7f3cdd64ce3ab5912cf6e32f39ab188358afcccd80" |
| "81024100e4b49ef50f765d3b24dde01aceaaf130f2c76670a91a61ae08af" |
| "497b4a82be6dee8fcdd5e3f7ba1cfb1f0c926b88f88c92bfab137fba2285" |
| "227b83c342ff7c55024100ddabb5839c4c7f6bf3d4183231f005b31aa58a" |
| "ffdda5c79e4cce217f6bc930dbe563d480706c24e9ebfcab28a6cdefd324" |
| "b77e1bf7251b709092c24ff501fd91024023d4340eda3445d8cd26c14411" |
| "da6fdca63c1ccd4b80a98ad52b78cc8ad8beb2842c1d280405bc2f6c1bea" |
| "214a1d742ab996b35b63a82a5e470fa88dbf823cdd02401b7b57449ad30d" |
| "1518249a5f56bb98294d4b6ac12ffc86940497a5a5837a6cf946262b4945" |
| "26d328c11e1126380fde04c24f916dec250892db09a6d77cdba351024077" |
| "62cd8f4d050da56bd591adb515d24d7ccd32cca0d05f866d583514bd7324" |
| "d5f33645e8ed8b4a1cb3cc4a1d67987399f2a09f5b3fb68c88d5e5d90ac3" |
| "3492d6"); |
| |
| string ec_256_key = hex2str( |
| "308187020100301306072a8648ce3d020106082a8648ce3d030107046d30" |
| "6b0201010420737c2ecd7b8d1940bf2930aa9b4ed3ff941eed09366bc032" |
| "99986481f3a4d859a14403420004bf85d7720d07c25461683bc648b4778a" |
| "9a14dd8a024e3bdd8c7ddd9ab2b528bbc7aa1b51f14ebbbb0bd0ce21bcc4" |
| "1c6eb00083cf3376d11fd44949e0b2183bfe"); |
| |
| string ec_521_key = hex2str( |
| "3081EE020100301006072A8648CE3D020106052B810400230481D63081D3" |
| "02010104420011458C586DB5DAA92AFAB03F4FE46AA9D9C3CE9A9B7A006A" |
| "8384BEC4C78E8E9D18D7D08B5BCFA0E53C75B064AD51C449BAE0258D54B9" |
| "4B1E885DED08ED4FB25CE9A1818903818600040149EC11C6DF0FA122C6A9" |
| "AFD9754A4FA9513A627CA329E349535A5629875A8ADFBE27DCB932C05198" |
| "6377108D054C28C6F39B6F2C9AF81802F9F326B842FF2E5F3C00AB7635CF" |
| "B36157FC0882D574A10D839C1A0C049DC5E0D775E2EE50671A208431BB45" |
| "E78E70BEFE930DB34818EE4D5C26259F5C6B8E28A652950F9F88D7B4B2C9" |
| "D9"); |
| |
| string ec_256_key_rfc5915 = |
| hex2str("308193020100301306072a8648ce3d020106082a8648ce3d030107047930" |
| "770201010420782370a8c8ce5537baadd04dcff079c8158cfa9c67b818b3" |
| "8e8d21c9fa750c1da00a06082a8648ce3d030107a14403420004e2cc561e" |
| "e701da0ad0ef0d176bb0c919d42e79c393fdc1bd6c4010d85cf2cf8e68c9" |
| "05464666f98dad4f01573ba81078b3428570a439ba3229fbc026c550682f"); |
| |
| string ec_256_key_sec1 = |
| hex2str("308187020100301306072a8648ce3d020106082a8648ce3d030107046d30" |
| "6b0201010420782370a8c8ce5537baadd04dcff079c8158cfa9c67b818b3" |
| "8e8d21c9fa750c1da14403420004e2cc561ee701da0ad0ef0d176bb0c919" |
| "d42e79c393fdc1bd6c4010d85cf2cf8e68c905464666f98dad4f01573ba8" |
| "1078b3428570a439ba3229fbc026c550682f"); |
| |
| struct RSA_Delete { |
| void operator()(RSA* p) { RSA_free(p); } |
| }; |
| |
| X509* parse_cert_blob(const hidl_vec<uint8_t>& blob) { |
| const uint8_t* p = blob.data(); |
| return d2i_X509(nullptr, &p, blob.size()); |
| } |
| |
| bool verify_chain(const hidl_vec<hidl_vec<uint8_t>>& chain) { |
| for (size_t i = 0; i < chain.size(); ++i) { |
| X509_Ptr key_cert(parse_cert_blob(chain[i])); |
| X509_Ptr signing_cert; |
| if (i < chain.size() - 1) { |
| signing_cert.reset(parse_cert_blob(chain[i + 1])); |
| } else { |
| signing_cert.reset(parse_cert_blob(chain[i])); |
| } |
| EXPECT_TRUE(!!key_cert.get() && !!signing_cert.get()); |
| if (!key_cert.get() || !signing_cert.get()) return false; |
| |
| EVP_PKEY_Ptr signing_pubkey(X509_get_pubkey(signing_cert.get())); |
| EXPECT_TRUE(!!signing_pubkey.get()); |
| if (!signing_pubkey.get()) return false; |
| |
| EXPECT_EQ(1, X509_verify(key_cert.get(), signing_pubkey.get())) |
| << "Verification of certificate " << i << " failed " |
| << "OpenSSL error string: " << ERR_error_string(ERR_get_error(), NULL); |
| |
| char* cert_issuer = // |
| X509_NAME_oneline(X509_get_issuer_name(key_cert.get()), nullptr, 0); |
| char* signer_subj = |
| X509_NAME_oneline(X509_get_subject_name(signing_cert.get()), nullptr, 0); |
| EXPECT_STREQ(cert_issuer, signer_subj) << "Cert " << i << " has wrong issuer."; |
| if (i == 0) { |
| char* cert_sub = X509_NAME_oneline(X509_get_subject_name(key_cert.get()), nullptr, 0); |
| EXPECT_STREQ("/CN=Android Keystore Key", cert_sub) |
| << "Cert " << i << " has wrong subject."; |
| OPENSSL_free(cert_sub); |
| } |
| |
| OPENSSL_free(cert_issuer); |
| OPENSSL_free(signer_subj); |
| |
| if (dump_Attestations) std::cout << bin2hex(chain[i]) << std::endl; |
| } |
| |
| return true; |
| } |
| |
| // Extract attestation record from cert. Returned object is still part of cert; don't free it |
| // separately. |
| ASN1_OCTET_STRING* get_attestation_record(X509* certificate) { |
| ASN1_OBJECT_Ptr oid(OBJ_txt2obj(kAttestionRecordOid, 1 /* dotted string format */)); |
| EXPECT_TRUE(!!oid.get()); |
| if (!oid.get()) return nullptr; |
| |
| int location = X509_get_ext_by_OBJ(certificate, oid.get(), -1 /* search from beginning */); |
| EXPECT_NE(-1, location) << "Attestation extension not found in certificate"; |
| if (location == -1) return nullptr; |
| |
| X509_EXTENSION* attest_rec_ext = X509_get_ext(certificate, location); |
| EXPECT_TRUE(!!attest_rec_ext) |
| << "Found attestation extension but couldn't retrieve it? Probably a BoringSSL bug."; |
| if (!attest_rec_ext) return nullptr; |
| |
| ASN1_OCTET_STRING* attest_rec = X509_EXTENSION_get_data(attest_rec_ext); |
| EXPECT_TRUE(!!attest_rec) << "Attestation extension contained no data"; |
| return attest_rec; |
| } |
| |
| bool tag_in_list(const KeyParameter& entry) { |
| // Attestations don't contain everything in key authorization lists, so we need to filter |
| // the key lists to produce the lists that we expect to match the attestations. |
| auto tag_list = { |
| Tag::INCLUDE_UNIQUE_ID, Tag::BLOB_USAGE_REQUIREMENTS, Tag::EC_CURVE, Tag::HARDWARE_TYPE, |
| }; |
| return std::find(tag_list.begin(), tag_list.end(), entry.tag) != tag_list.end(); |
| } |
| |
| AuthorizationSet filter_tags(const AuthorizationSet& set) { |
| AuthorizationSet filtered; |
| std::remove_copy_if(set.begin(), set.end(), std::back_inserter(filtered), tag_in_list); |
| return filtered; |
| } |
| |
| std::string make_string(const uint8_t* data, size_t length) { |
| return std::string(reinterpret_cast<const char*>(data), length); |
| } |
| |
| template <size_t N> |
| std::string make_string(const uint8_t (&a)[N]) { |
| return make_string(a, N); |
| } |
| |
| } // namespace |
| |
| bool verify_attestation_record(const string& challenge, const string& app_id, |
| AuthorizationSet expected_sw_enforced, |
| AuthorizationSet expected_tee_enforced, SecurityLevel security_level, |
| const hidl_vec<uint8_t>& attestation_cert) { |
| X509_Ptr cert(parse_cert_blob(attestation_cert)); |
| EXPECT_TRUE(!!cert.get()); |
| if (!cert.get()) return false; |
| |
| ASN1_OCTET_STRING* attest_rec = get_attestation_record(cert.get()); |
| EXPECT_TRUE(!!attest_rec); |
| if (!attest_rec) return false; |
| |
| AuthorizationSet att_sw_enforced; |
| AuthorizationSet att_tee_enforced; |
| uint32_t att_attestation_version; |
| uint32_t att_keymaster_version; |
| SecurityLevel att_attestation_security_level; |
| SecurityLevel att_keymaster_security_level; |
| HidlBuf att_challenge; |
| HidlBuf att_unique_id; |
| HidlBuf att_app_id; |
| |
| auto error = parse_attestation_record(attest_rec->data, // |
| attest_rec->length, // |
| &att_attestation_version, // |
| &att_attestation_security_level, // |
| &att_keymaster_version, // |
| &att_keymaster_security_level, // |
| &att_challenge, // |
| &att_sw_enforced, // |
| &att_tee_enforced, // |
| &att_unique_id); |
| EXPECT_EQ(ErrorCode::OK, error); |
| if (error != ErrorCode::OK) return false; |
| |
| EXPECT_TRUE(att_attestation_version == 3); |
| |
| expected_sw_enforced.push_back(TAG_ATTESTATION_APPLICATION_ID, HidlBuf(app_id)); |
| |
| EXPECT_EQ(att_keymaster_version, 4U); |
| EXPECT_EQ(security_level, att_keymaster_security_level); |
| EXPECT_EQ(security_level, att_attestation_security_level); |
| |
| EXPECT_EQ(challenge.length(), att_challenge.size()); |
| EXPECT_EQ(0, memcmp(challenge.data(), att_challenge.data(), challenge.length())); |
| |
| att_sw_enforced.Sort(); |
| expected_sw_enforced.Sort(); |
| EXPECT_EQ(filter_tags(expected_sw_enforced), filter_tags(att_sw_enforced)); |
| |
| att_tee_enforced.Sort(); |
| expected_tee_enforced.Sort(); |
| EXPECT_EQ(filter_tags(expected_tee_enforced), filter_tags(att_tee_enforced)); |
| |
| return true; |
| } |
| |
| class NewKeyGenerationTest : public KeymasterHidlTest { |
| protected: |
| void CheckBaseParams(const KeyCharacteristics& keyCharacteristics) { |
| // TODO(swillden): Distinguish which params should be in which auth list. |
| |
| AuthorizationSet auths(keyCharacteristics.hardwareEnforced); |
| auths.push_back(AuthorizationSet(keyCharacteristics.softwareEnforced)); |
| |
| EXPECT_TRUE(auths.Contains(TAG_ORIGIN, KeyOrigin::GENERATED)); |
| EXPECT_TRUE(auths.Contains(TAG_PURPOSE, KeyPurpose::SIGN)); |
| EXPECT_TRUE(auths.Contains(TAG_PURPOSE, KeyPurpose::VERIFY)); |
| |
| // Verify that App ID, App data and ROT are NOT included. |
| EXPECT_FALSE(auths.Contains(TAG_ROOT_OF_TRUST)); |
| EXPECT_FALSE(auths.Contains(TAG_APPLICATION_ID)); |
| EXPECT_FALSE(auths.Contains(TAG_APPLICATION_DATA)); |
| |
| // Check that some unexpected tags/values are NOT present. |
| EXPECT_FALSE(auths.Contains(TAG_PURPOSE, KeyPurpose::ENCRYPT)); |
| EXPECT_FALSE(auths.Contains(TAG_PURPOSE, KeyPurpose::DECRYPT)); |
| EXPECT_FALSE(auths.Contains(TAG_AUTH_TIMEOUT, 301U)); |
| |
| // Now check that unspecified, defaulted tags are correct. |
| EXPECT_TRUE(auths.Contains(TAG_CREATION_DATETIME)); |
| |
| EXPECT_TRUE(auths.Contains(TAG_OS_VERSION, os_version())) |
| << "OS version is " << os_version() << " key reported " |
| << auths.GetTagValue(TAG_OS_VERSION); |
| EXPECT_TRUE(auths.Contains(TAG_OS_PATCHLEVEL, os_patch_level())) |
| << "OS patch level is " << os_patch_level() << " key reported " |
| << auths.GetTagValue(TAG_OS_PATCHLEVEL); |
| } |
| |
| void CheckCharacteristics(const HidlBuf& key_blob, |
| const KeyCharacteristics& key_characteristics) { |
| KeyCharacteristics retrieved_chars; |
| ASSERT_EQ(ErrorCode::OK, GetCharacteristics(key_blob, &retrieved_chars)); |
| EXPECT_EQ(key_characteristics, retrieved_chars); |
| } |
| }; |
| |
| /* |
| * NewKeyGenerationTest.Rsa |
| * |
| * Verifies that keymaster can generate all required RSA key sizes, and that the resulting keys have |
| * correct characteristics. |
| */ |
| TEST_F(NewKeyGenerationTest, Rsa) { |
| for (auto key_size : ValidKeySizes(Algorithm::RSA)) { |
| HidlBuf key_blob; |
| KeyCharacteristics key_characteristics; |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(key_size, 3) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE), |
| &key_blob, &key_characteristics)); |
| |
| ASSERT_GT(key_blob.size(), 0U); |
| CheckBaseParams(key_characteristics); |
| CheckCharacteristics(key_blob, key_characteristics); |
| |
| AuthorizationSet crypto_params; |
| if (IsSecure()) { |
| crypto_params = key_characteristics.hardwareEnforced; |
| } else { |
| crypto_params = key_characteristics.softwareEnforced; |
| } |
| |
| EXPECT_TRUE(crypto_params.Contains(TAG_ALGORITHM, Algorithm::RSA)); |
| EXPECT_TRUE(crypto_params.Contains(TAG_KEY_SIZE, key_size)) |
| << "Key size " << key_size << "missing"; |
| EXPECT_TRUE(crypto_params.Contains(TAG_RSA_PUBLIC_EXPONENT, 3U)); |
| |
| CheckedDeleteKey(&key_blob); |
| } |
| } |
| |
| /* |
| * NewKeyGenerationTest.NoInvalidRsaSizes |
| * |
| * Verifies that keymaster cannot generate any RSA key sizes that are designated as invalid. |
| */ |
| TEST_F(NewKeyGenerationTest, NoInvalidRsaSizes) { |
| for (auto key_size : InvalidKeySizes(Algorithm::RSA)) { |
| HidlBuf key_blob; |
| KeyCharacteristics key_characteristics; |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(key_size, 3) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE), |
| &key_blob, &key_characteristics)); |
| } |
| } |
| |
| /* |
| * NewKeyGenerationTest.RsaNoDefaultSize |
| * |
| * Verifies that failing to specify a key size for RSA key generation returns UNSUPPORTED_KEY_SIZE. |
| */ |
| TEST_F(NewKeyGenerationTest, RsaNoDefaultSize) { |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE, |
| GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_ALGORITHM, Algorithm::RSA) |
| .Authorization(TAG_RSA_PUBLIC_EXPONENT, 3U) |
| .SigningKey())); |
| } |
| |
| /* |
| * NewKeyGenerationTest.Ecdsa |
| * |
| * Verifies that keymaster can generate all required EC key sizes, and that the resulting keys have |
| * correct characteristics. |
| */ |
| TEST_F(NewKeyGenerationTest, Ecdsa) { |
| for (auto key_size : ValidKeySizes(Algorithm::EC)) { |
| HidlBuf key_blob; |
| KeyCharacteristics key_characteristics; |
| ASSERT_EQ( |
| ErrorCode::OK, |
| GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(key_size).Digest(Digest::NONE), |
| &key_blob, &key_characteristics)); |
| ASSERT_GT(key_blob.size(), 0U); |
| CheckBaseParams(key_characteristics); |
| CheckCharacteristics(key_blob, key_characteristics); |
| |
| AuthorizationSet crypto_params; |
| if (IsSecure()) { |
| crypto_params = key_characteristics.hardwareEnforced; |
| } else { |
| crypto_params = key_characteristics.softwareEnforced; |
| } |
| |
| EXPECT_TRUE(crypto_params.Contains(TAG_ALGORITHM, Algorithm::EC)); |
| EXPECT_TRUE(crypto_params.Contains(TAG_KEY_SIZE, key_size)) |
| << "Key size " << key_size << "missing"; |
| |
| CheckedDeleteKey(&key_blob); |
| } |
| } |
| |
| /* |
| * NewKeyGenerationTest.EcdsaDefaultSize |
| * |
| * Verifies that failing to specify a key size for EC key generation returns UNSUPPORTED_KEY_SIZE. |
| */ |
| TEST_F(NewKeyGenerationTest, EcdsaDefaultSize) { |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE, |
| GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_ALGORITHM, Algorithm::EC) |
| .SigningKey() |
| .Digest(Digest::NONE))); |
| } |
| |
| /* |
| * NewKeyGenerationTest.EcdsaInvalidSize |
| * |
| * Verifies that specifying an invalid key size for EC key generation returns UNSUPPORTED_KEY_SIZE. |
| */ |
| TEST_F(NewKeyGenerationTest, EcdsaInvalidSize) { |
| for (auto key_size : InvalidKeySizes(Algorithm::EC)) { |
| HidlBuf key_blob; |
| KeyCharacteristics key_characteristics; |
| ASSERT_EQ( |
| ErrorCode::UNSUPPORTED_KEY_SIZE, |
| GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(key_size).Digest(Digest::NONE), |
| &key_blob, &key_characteristics)); |
| } |
| |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE, |
| GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(190).Digest(Digest::NONE))); |
| } |
| |
| /* |
| * NewKeyGenerationTest.EcdsaMismatchKeySize |
| * |
| * Verifies that specifying mismatched key size and curve for EC key generation returns |
| * INVALID_ARGUMENT. |
| */ |
| TEST_F(NewKeyGenerationTest, EcdsaMismatchKeySize) { |
| if (SecLevel() == SecurityLevel::STRONGBOX) return; |
| |
| ASSERT_EQ(ErrorCode::INVALID_ARGUMENT, |
| GenerateKey(AuthorizationSetBuilder() |
| .EcdsaSigningKey(224) |
| .Authorization(TAG_EC_CURVE, EcCurve::P_256) |
| .Digest(Digest::NONE))); |
| } |
| |
| /* |
| * NewKeyGenerationTest.EcdsaAllValidSizes |
| * |
| * Verifies that keymaster supports all required EC key sizes. |
| */ |
| TEST_F(NewKeyGenerationTest, EcdsaAllValidSizes) { |
| auto valid_sizes = ValidKeySizes(Algorithm::EC); |
| for (size_t size : valid_sizes) { |
| EXPECT_EQ(ErrorCode::OK, |
| GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(size).Digest(Digest::NONE))) |
| << "Failed to generate size: " << size; |
| CheckCharacteristics(key_blob_, key_characteristics_); |
| CheckedDeleteKey(); |
| } |
| } |
| |
| /* |
| * NewKeyGenerationTest.EcdsaInvalidCurves |
| * |
| * Verifies that keymaster does not support any curve designated as unsupported. |
| */ |
| TEST_F(NewKeyGenerationTest, EcdsaAllValidCurves) { |
| Digest digest; |
| if (SecLevel() == SecurityLevel::STRONGBOX) { |
| digest = Digest::SHA_2_256; |
| } else { |
| digest = Digest::SHA_2_512; |
| } |
| for (auto curve : ValidCurves()) { |
| EXPECT_EQ( |
| ErrorCode::OK, |
| GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(curve).Digest(digest))) |
| << "Failed to generate key on curve: " << curve; |
| CheckCharacteristics(key_blob_, key_characteristics_); |
| CheckedDeleteKey(); |
| } |
| } |
| |
| /* |
| * NewKeyGenerationTest.Hmac |
| * |
| * Verifies that keymaster supports all required digests, and that the resulting keys have correct |
| * characteristics. |
| */ |
| TEST_F(NewKeyGenerationTest, Hmac) { |
| for (auto digest : ValidDigests(false /* withNone */, true /* withMD5 */)) { |
| HidlBuf key_blob; |
| KeyCharacteristics key_characteristics; |
| constexpr size_t key_size = 128; |
| ASSERT_EQ( |
| ErrorCode::OK, |
| GenerateKey(AuthorizationSetBuilder().HmacKey(key_size).Digest(digest).Authorization( |
| TAG_MIN_MAC_LENGTH, 128), |
| &key_blob, &key_characteristics)); |
| |
| ASSERT_GT(key_blob.size(), 0U); |
| CheckBaseParams(key_characteristics); |
| CheckCharacteristics(key_blob, key_characteristics); |
| |
| AuthorizationSet hardwareEnforced = key_characteristics.hardwareEnforced; |
| AuthorizationSet softwareEnforced = key_characteristics.softwareEnforced; |
| if (IsSecure()) { |
| EXPECT_TRUE(hardwareEnforced.Contains(TAG_ALGORITHM, Algorithm::HMAC)); |
| EXPECT_TRUE(hardwareEnforced.Contains(TAG_KEY_SIZE, key_size)) |
| << "Key size " << key_size << "missing"; |
| } else { |
| EXPECT_TRUE(softwareEnforced.Contains(TAG_ALGORITHM, Algorithm::HMAC)); |
| EXPECT_TRUE(softwareEnforced.Contains(TAG_KEY_SIZE, key_size)) |
| << "Key size " << key_size << "missing"; |
| } |
| |
| CheckedDeleteKey(&key_blob); |
| } |
| } |
| |
| /* |
| * NewKeyGenerationTest.HmacCheckKeySizes |
| * |
| * Verifies that keymaster supports all key sizes, and rejects all invalid key sizes. |
| */ |
| TEST_F(NewKeyGenerationTest, HmacCheckKeySizes) { |
| for (size_t key_size = 0; key_size <= 512; ++key_size) { |
| if (key_size < 64 || key_size % 8 != 0) { |
| // To keep this test from being very slow, we only test a random fraction of non-byte |
| // key sizes. We test only ~10% of such cases. Since there are 392 of them, we expect |
| // to run ~40 of them in each run. |
| if (key_size % 8 == 0 || random() % 10 == 0) { |
| EXPECT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE, |
| GenerateKey(AuthorizationSetBuilder() |
| .HmacKey(key_size) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, 256))) |
| << "HMAC key size " << key_size << " invalid"; |
| } |
| } else { |
| EXPECT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .HmacKey(key_size) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, 256))) |
| << "Failed to generate HMAC key of size " << key_size; |
| CheckCharacteristics(key_blob_, key_characteristics_); |
| CheckedDeleteKey(); |
| } |
| } |
| } |
| |
| /* |
| * NewKeyGenerationTest.HmacCheckMinMacLengths |
| * |
| * Verifies that keymaster supports all required MAC lengths and rejects all invalid lengths. This |
| * test is probabilistic in order to keep the runtime down, but any failure prints out the specific |
| * MAC length that failed, so reproducing a failed run will be easy. |
| */ |
| TEST_F(NewKeyGenerationTest, HmacCheckMinMacLengths) { |
| for (size_t min_mac_length = 0; min_mac_length <= 256; ++min_mac_length) { |
| if (min_mac_length < 64 || min_mac_length % 8 != 0) { |
| // To keep this test from being very long, we only test a random fraction of non-byte |
| // lengths. We test only ~10% of such cases. Since there are 172 of them, we expect to |
| // run ~17 of them in each run. |
| if (min_mac_length % 8 == 0 || random() % 10 == 0) { |
| EXPECT_EQ(ErrorCode::UNSUPPORTED_MIN_MAC_LENGTH, |
| GenerateKey(AuthorizationSetBuilder() |
| .HmacKey(128) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, min_mac_length))) |
| << "HMAC min mac length " << min_mac_length << " invalid."; |
| } |
| } else { |
| EXPECT_EQ(ErrorCode::OK, |
| GenerateKey(AuthorizationSetBuilder() |
| .HmacKey(128) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, min_mac_length))) |
| << "Failed to generate HMAC key with min MAC length " << min_mac_length; |
| CheckCharacteristics(key_blob_, key_characteristics_); |
| CheckedDeleteKey(); |
| } |
| } |
| } |
| |
| /* |
| * NewKeyGenerationTest.HmacMultipleDigests |
| * |
| * Verifies that keymaster rejects HMAC key generation with multiple specified digest algorithms. |
| */ |
| TEST_F(NewKeyGenerationTest, HmacMultipleDigests) { |
| if (SecLevel() == SecurityLevel::STRONGBOX) return; |
| |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_DIGEST, |
| GenerateKey(AuthorizationSetBuilder() |
| .HmacKey(128) |
| .Digest(Digest::SHA1) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| } |
| |
| /* |
| * NewKeyGenerationTest.HmacDigestNone |
| * |
| * Verifies that keymaster rejects HMAC key generation with no digest or Digest::NONE |
| */ |
| TEST_F(NewKeyGenerationTest, HmacDigestNone) { |
| ASSERT_EQ( |
| ErrorCode::UNSUPPORTED_DIGEST, |
| GenerateKey(AuthorizationSetBuilder().HmacKey(128).Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_DIGEST, |
| GenerateKey(AuthorizationSetBuilder() |
| .HmacKey(128) |
| .Digest(Digest::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| } |
| |
| typedef KeymasterHidlTest SigningOperationsTest; |
| |
| /* |
| * SigningOperationsTest.RsaSuccess |
| * |
| * Verifies that raw RSA signature operations succeed. |
| */ |
| TEST_F(SigningOperationsTest, RsaSuccess) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED))); |
| string message = "12345678901234567890123456789012"; |
| string signature = SignMessage( |
| message, AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE)); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaPssSha256Success |
| * |
| * Verifies that RSA-PSS signature operations succeed. |
| */ |
| TEST_F(SigningOperationsTest, RsaPssSha256Success) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::SHA_2_256) |
| .Padding(PaddingMode::RSA_PSS) |
| .Authorization(TAG_NO_AUTH_REQUIRED))); |
| // Use large message, which won't work without digesting. |
| string message(1024, 'a'); |
| string signature = SignMessage( |
| message, AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Padding(PaddingMode::RSA_PSS)); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaPaddingNoneDoesNotAllowOther |
| * |
| * Verifies that keymaster rejects signature operations that specify a padding mode when the key |
| * supports only unpadded operations. |
| */ |
| TEST_F(SigningOperationsTest, RsaPaddingNoneDoesNotAllowOther) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE))); |
| string message = "12345678901234567890123456789012"; |
| string signature; |
| |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, |
| Begin(KeyPurpose::SIGN, AuthorizationSetBuilder() |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN))); |
| } |
| |
| /* |
| * SigningOperationsTest.NoUserConfirmation |
| * |
| * Verifies that keymaster rejects signing operations for keys with |
| * TRUSTED_CONFIRMATION_REQUIRED and no valid confirmation token |
| * presented. |
| */ |
| TEST_F(SigningOperationsTest, NoUserConfirmation) { |
| if (SecLevel() == SecurityLevel::STRONGBOX) return; |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(1024, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Authorization(TAG_TRUSTED_CONFIRMATION_REQUIRED))); |
| |
| const string message = "12345678901234567890123456789012"; |
| EXPECT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::SIGN, |
| AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE))); |
| string signature; |
| EXPECT_EQ(ErrorCode::NO_USER_CONFIRMATION, Finish(message, &signature)); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaPkcs1Sha256Success |
| * |
| * Verifies that digested RSA-PKCS1 signature operations succeed. |
| */ |
| TEST_F(SigningOperationsTest, RsaPkcs1Sha256Success) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN))); |
| string message(1024, 'a'); |
| string signature = SignMessage(message, AuthorizationSetBuilder() |
| .Digest(Digest::SHA_2_256) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaPkcs1NoDigestSuccess |
| * |
| * Verifies that undigested RSA-PKCS1 signature operations succeed. |
| */ |
| TEST_F(SigningOperationsTest, RsaPkcs1NoDigestSuccess) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN))); |
| string message(53, 'a'); |
| string signature = SignMessage( |
| message, |
| AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaPkcs1NoDigestTooLarge |
| * |
| * Verifies that undigested RSA-PKCS1 signature operations fail with the correct error code when |
| * given a too-long message. |
| */ |
| TEST_F(SigningOperationsTest, RsaPkcs1NoDigestTooLong) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN))); |
| string message(257, 'a'); |
| |
| EXPECT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::SIGN, AuthorizationSetBuilder() |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN))); |
| string signature; |
| EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, Finish(message, &signature)); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaPssSha512TooSmallKey |
| * |
| * Verifies that undigested RSA-PSS signature operations fail with the correct error code when |
| * used with a key that is too small for the message. |
| * |
| * A PSS-padded message is of length salt_size + digest_size + 16 (sizes in bits), and the keymaster |
| * specification requires that salt_size == digest_size, so the message will be digest_size * 2 + |
| * 16. Such a message can only be signed by a given key if the key is at least that size. This test |
| * uses SHA512, which has a digest_size == 512, so the message size is 1040 bits, too large for a |
| * 1024-bit key. |
| */ |
| TEST_F(SigningOperationsTest, RsaPssSha512TooSmallKey) { |
| if (SecLevel() == SecurityLevel::STRONGBOX) return; |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(1024, 65537) |
| .Digest(Digest::SHA_2_512) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::RSA_PSS))); |
| EXPECT_EQ( |
| ErrorCode::INCOMPATIBLE_DIGEST, |
| Begin(KeyPurpose::SIGN, |
| AuthorizationSetBuilder().Digest(Digest::SHA_2_512).Padding(PaddingMode::RSA_PSS))); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaNoPaddingTooLong |
| * |
| * Verifies that raw RSA signature operations fail with the correct error code when |
| * given a too-long message. |
| */ |
| TEST_F(SigningOperationsTest, RsaNoPaddingTooLong) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN))); |
| // One byte too long |
| string message(2048 / 8 + 1, 'a'); |
| ASSERT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::SIGN, AuthorizationSetBuilder() |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN))); |
| string result; |
| ErrorCode finish_error_code = Finish(message, &result); |
| EXPECT_TRUE(finish_error_code == ErrorCode::INVALID_INPUT_LENGTH || |
| finish_error_code == ErrorCode::INVALID_ARGUMENT); |
| |
| // Very large message that should exceed the transfer buffer size of any reasonable TEE. |
| message = string(128 * 1024, 'a'); |
| ASSERT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::SIGN, AuthorizationSetBuilder() |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN))); |
| finish_error_code = Finish(message, &result); |
| EXPECT_TRUE(finish_error_code == ErrorCode::INVALID_INPUT_LENGTH || |
| finish_error_code == ErrorCode::INVALID_ARGUMENT); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaAbort |
| * |
| * Verifies that operations can be aborted correctly. Uses an RSA signing operation for the test, |
| * but the behavior should be algorithm and purpose-independent. |
| */ |
| TEST_F(SigningOperationsTest, RsaAbort) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE))); |
| |
| ASSERT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::SIGN, |
| AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE))); |
| EXPECT_EQ(ErrorCode::OK, Abort(op_handle_)); |
| |
| // Another abort should fail |
| EXPECT_EQ(ErrorCode::INVALID_OPERATION_HANDLE, Abort(op_handle_)); |
| |
| // Set to sentinel, so TearDown() doesn't try to abort again. |
| op_handle_ = kOpHandleSentinel; |
| } |
| |
| /* |
| * SigningOperationsTest.RsaUnsupportedPadding |
| * |
| * Verifies that RSA operations fail with the correct error (but key gen succeeds) when used with a |
| * padding mode inappropriate for RSA. |
| */ |
| TEST_F(SigningOperationsTest, RsaUnsupportedPadding) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Digest(Digest::SHA_2_256 /* supported digest */) |
| .Padding(PaddingMode::PKCS7))); |
| ASSERT_EQ( |
| ErrorCode::UNSUPPORTED_PADDING_MODE, |
| Begin(KeyPurpose::SIGN, |
| AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Padding(PaddingMode::PKCS7))); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaPssNoDigest |
| * |
| * Verifies that RSA PSS operations fail when no digest is used. PSS requires a digest. |
| */ |
| TEST_F(SigningOperationsTest, RsaNoDigest) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::RSA_PSS))); |
| ASSERT_EQ(ErrorCode::INCOMPATIBLE_DIGEST, |
| Begin(KeyPurpose::SIGN, |
| AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::RSA_PSS))); |
| |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_DIGEST, |
| Begin(KeyPurpose::SIGN, AuthorizationSetBuilder().Padding(PaddingMode::RSA_PSS))); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaPssNoDigest |
| * |
| * Verifies that RSA operations fail when no padding mode is specified. PaddingMode::NONE is |
| * supported in some cases (as validated in other tests), but a mode must be specified. |
| */ |
| TEST_F(SigningOperationsTest, RsaNoPadding) { |
| // Padding must be specified |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaKey(2048, 65537) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .SigningKey() |
| .Digest(Digest::NONE))); |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_PADDING_MODE, |
| Begin(KeyPurpose::SIGN, AuthorizationSetBuilder().Digest(Digest::NONE))); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaShortMessage |
| * |
| * Verifies that raw RSA signatures succeed with a message shorter than the key size. |
| */ |
| TEST_F(SigningOperationsTest, RsaTooShortMessage) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE))); |
| |
| // Barely shorter |
| string message(2048 / 8 - 1, 'a'); |
| SignMessage(message, AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE)); |
| |
| // Much shorter |
| message = "a"; |
| SignMessage(message, AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE)); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaSignWithEncryptionKey |
| * |
| * Verifies that RSA encryption keys cannot be used to sign. |
| */ |
| TEST_F(SigningOperationsTest, RsaSignWithEncryptionKey) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE))); |
| ASSERT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE, |
| Begin(KeyPurpose::SIGN, |
| AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE))); |
| } |
| |
| /* |
| * SigningOperationsTest.RsaSignTooLargeMessage |
| * |
| * Verifies that attempting a raw signature of a message which is the same length as the key, but |
| * numerically larger than the public modulus, fails with the correct error. |
| */ |
| TEST_F(SigningOperationsTest, RsaSignTooLargeMessage) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE))); |
| |
| // Largest possible message will always be larger than the public modulus. |
| string message(2048 / 8, static_cast<char>(0xff)); |
| ASSERT_EQ(ErrorCode::OK, Begin(KeyPurpose::SIGN, AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE))); |
| string signature; |
| ASSERT_EQ(ErrorCode::INVALID_ARGUMENT, Finish(message, &signature)); |
| } |
| |
| /* |
| * SigningOperationsTest.EcdsaAllSizesAndHashes |
| * |
| * Verifies that ECDSA operations succeed with all possible key sizes and hashes. |
| */ |
| TEST_F(SigningOperationsTest, EcdsaAllSizesAndHashes) { |
| for (auto key_size : ValidKeySizes(Algorithm::EC)) { |
| for (auto digest : ValidDigests(false /* withNone */, false /* withMD5 */)) { |
| ErrorCode error = GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(key_size) |
| .Digest(digest)); |
| EXPECT_EQ(ErrorCode::OK, error) << "Failed to generate ECDSA key with size " << key_size |
| << " and digest " << digest; |
| if (error != ErrorCode::OK) continue; |
| |
| string message(1024, 'a'); |
| if (digest == Digest::NONE) message.resize(key_size / 8); |
| SignMessage(message, AuthorizationSetBuilder().Digest(digest)); |
| CheckedDeleteKey(); |
| } |
| } |
| } |
| |
| /* |
| * SigningOperationsTest.EcdsaAllCurves |
| * |
| * Verifies that ECDSA operations succeed with all possible curves. |
| */ |
| TEST_F(SigningOperationsTest, EcdsaAllCurves) { |
| for (auto curve : ValidCurves()) { |
| ErrorCode error = GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(curve) |
| .Digest(Digest::SHA_2_256)); |
| EXPECT_EQ(ErrorCode::OK, error) << "Failed to generate ECDSA key with curve " << curve; |
| if (error != ErrorCode::OK) continue; |
| |
| string message(1024, 'a'); |
| SignMessage(message, AuthorizationSetBuilder().Digest(Digest::SHA_2_256)); |
| CheckedDeleteKey(); |
| } |
| } |
| |
| /* |
| * SigningOperationsTest.EcdsaNoDigestHugeData |
| * |
| * Verifies that ECDSA operations support very large messages, even without digesting. This should |
| * work because ECDSA actually only signs the leftmost L_n bits of the message, however large it may |
| * be. Not using digesting is a bad idea, but in some cases digesting is done by the framework. |
| */ |
| TEST_F(SigningOperationsTest, EcdsaNoDigestHugeData) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(256) |
| .Digest(Digest::NONE))); |
| string message(1 * 1024, 'a'); |
| SignMessage(message, AuthorizationSetBuilder().Digest(Digest::NONE)); |
| } |
| |
| /* |
| * SigningOperationsTest.AesEcbSign |
| * |
| * Verifies that attempts to use AES keys to sign fail in the correct way. |
| */ |
| TEST_F(SigningOperationsTest, AesEcbSign) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .SigningKey() |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::ECB))); |
| |
| AuthorizationSet out_params; |
| EXPECT_EQ(ErrorCode::UNSUPPORTED_PURPOSE, |
| Begin(KeyPurpose::SIGN, AuthorizationSet() /* in_params */, &out_params)); |
| EXPECT_EQ(ErrorCode::UNSUPPORTED_PURPOSE, |
| Begin(KeyPurpose::VERIFY, AuthorizationSet() /* in_params */, &out_params)); |
| } |
| |
| /* |
| * SigningOperationsTest.HmacAllDigests |
| * |
| * Verifies that HMAC works with all digests. |
| */ |
| TEST_F(SigningOperationsTest, HmacAllDigests) { |
| for (auto digest : ValidDigests(false /* withNone */, false /* withMD5 */)) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .HmacKey(128) |
| .Digest(digest) |
| .Authorization(TAG_MIN_MAC_LENGTH, 160))) |
| << "Failed to create HMAC key with digest " << digest; |
| string message = "12345678901234567890123456789012"; |
| string signature = MacMessage(message, digest, 160); |
| EXPECT_EQ(160U / 8U, signature.size()) |
| << "Failed to sign with HMAC key with digest " << digest; |
| CheckedDeleteKey(); |
| } |
| } |
| |
| /* |
| * SigningOperationsTest.HmacSha256TooLargeMacLength |
| * |
| * Verifies that HMAC fails in the correct way when asked to generate a MAC larger than the digest |
| * size. |
| */ |
| TEST_F(SigningOperationsTest, HmacSha256TooLargeMacLength) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .HmacKey(128) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, 256))); |
| AuthorizationSet output_params; |
| EXPECT_EQ( |
| ErrorCode::UNSUPPORTED_MAC_LENGTH, |
| Begin( |
| KeyPurpose::SIGN, key_blob_, |
| AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Authorization(TAG_MAC_LENGTH, 264), |
| &output_params, &op_handle_)); |
| } |
| |
| /* |
| * SigningOperationsTest.HmacSha256TooSmallMacLength |
| * |
| * Verifies that HMAC fails in the correct way when asked to generate a MAC smaller than the |
| * specified minimum MAC length. |
| */ |
| TEST_F(SigningOperationsTest, HmacSha256TooSmallMacLength) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .HmacKey(128) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| AuthorizationSet output_params; |
| EXPECT_EQ( |
| ErrorCode::INVALID_MAC_LENGTH, |
| Begin( |
| KeyPurpose::SIGN, key_blob_, |
| AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Authorization(TAG_MAC_LENGTH, 120), |
| &output_params, &op_handle_)); |
| } |
| |
| /* |
| * SigningOperationsTest.HmacRfc4231TestCase3 |
| * |
| * Validates against the test vectors from RFC 4231 test case 3. |
| */ |
| TEST_F(SigningOperationsTest, HmacRfc4231TestCase3) { |
| string key(20, 0xaa); |
| string message(50, 0xdd); |
| uint8_t sha_224_expected[] = { |
| 0x7f, 0xb3, 0xcb, 0x35, 0x88, 0xc6, 0xc1, 0xf6, 0xff, 0xa9, 0x69, 0x4d, 0x7d, 0x6a, |
| 0xd2, 0x64, 0x93, 0x65, 0xb0, 0xc1, 0xf6, 0x5d, 0x69, 0xd1, 0xec, 0x83, 0x33, 0xea, |
| }; |
| uint8_t sha_256_expected[] = { |
| 0x77, 0x3e, 0xa9, 0x1e, 0x36, 0x80, 0x0e, 0x46, 0x85, 0x4d, 0xb8, |
| 0xeb, 0xd0, 0x91, 0x81, 0xa7, 0x29, 0x59, 0x09, 0x8b, 0x3e, 0xf8, |
| 0xc1, 0x22, 0xd9, 0x63, 0x55, 0x14, 0xce, 0xd5, 0x65, 0xfe, |
| }; |
| uint8_t sha_384_expected[] = { |
| 0x88, 0x06, 0x26, 0x08, 0xd3, 0xe6, 0xad, 0x8a, 0x0a, 0xa2, 0xac, 0xe0, |
| 0x14, 0xc8, 0xa8, 0x6f, 0x0a, 0xa6, 0x35, 0xd9, 0x47, 0xac, 0x9f, 0xeb, |
| 0xe8, 0x3e, 0xf4, 0xe5, 0x59, 0x66, 0x14, 0x4b, 0x2a, 0x5a, 0xb3, 0x9d, |
| 0xc1, 0x38, 0x14, 0xb9, 0x4e, 0x3a, 0xb6, 0xe1, 0x01, 0xa3, 0x4f, 0x27, |
| }; |
| uint8_t sha_512_expected[] = { |
| 0xfa, 0x73, 0xb0, 0x08, 0x9d, 0x56, 0xa2, 0x84, 0xef, 0xb0, 0xf0, 0x75, 0x6c, |
| 0x89, 0x0b, 0xe9, 0xb1, 0xb5, 0xdb, 0xdd, 0x8e, 0xe8, 0x1a, 0x36, 0x55, 0xf8, |
| 0x3e, 0x33, 0xb2, 0x27, 0x9d, 0x39, 0xbf, 0x3e, 0x84, 0x82, 0x79, 0xa7, 0x22, |
| 0xc8, 0x06, 0xb4, 0x85, 0xa4, 0x7e, 0x67, 0xc8, 0x07, 0xb9, 0x46, 0xa3, 0x37, |
| 0xbe, 0xe8, 0x94, 0x26, 0x74, 0x27, 0x88, 0x59, 0xe1, 0x32, 0x92, 0xfb, |
| }; |
| |
| CheckHmacTestVector(key, message, Digest::SHA_2_256, make_string(sha_256_expected)); |
| if (SecLevel() != SecurityLevel::STRONGBOX) { |
| CheckHmacTestVector(key, message, Digest::SHA_2_224, make_string(sha_224_expected)); |
| CheckHmacTestVector(key, message, Digest::SHA_2_384, make_string(sha_384_expected)); |
| CheckHmacTestVector(key, message, Digest::SHA_2_512, make_string(sha_512_expected)); |
| } |
| } |
| |
| /* |
| * SigningOperationsTest.HmacRfc4231TestCase5 |
| * |
| * Validates against the test vectors from RFC 4231 test case 5. |
| */ |
| TEST_F(SigningOperationsTest, HmacRfc4231TestCase5) { |
| string key(20, 0x0c); |
| string message = "Test With Truncation"; |
| |
| uint8_t sha_224_expected[] = { |
| 0x0e, 0x2a, 0xea, 0x68, 0xa9, 0x0c, 0x8d, 0x37, |
| 0xc9, 0x88, 0xbc, 0xdb, 0x9f, 0xca, 0x6f, 0xa8, |
| }; |
| uint8_t sha_256_expected[] = { |
| 0xa3, 0xb6, 0x16, 0x74, 0x73, 0x10, 0x0e, 0xe0, |
| 0x6e, 0x0c, 0x79, 0x6c, 0x29, 0x55, 0x55, 0x2b, |
| }; |
| uint8_t sha_384_expected[] = { |
| 0x3a, 0xbf, 0x34, 0xc3, 0x50, 0x3b, 0x2a, 0x23, |
| 0xa4, 0x6e, 0xfc, 0x61, 0x9b, 0xae, 0xf8, 0x97, |
| }; |
| uint8_t sha_512_expected[] = { |
| 0x41, 0x5f, 0xad, 0x62, 0x71, 0x58, 0x0a, 0x53, |
| 0x1d, 0x41, 0x79, 0xbc, 0x89, 0x1d, 0x87, 0xa6, |
| }; |
| |
| CheckHmacTestVector(key, message, Digest::SHA_2_256, make_string(sha_256_expected)); |
| if (SecLevel() != SecurityLevel::STRONGBOX) { |
| CheckHmacTestVector(key, message, Digest::SHA_2_224, make_string(sha_224_expected)); |
| CheckHmacTestVector(key, message, Digest::SHA_2_384, make_string(sha_384_expected)); |
| CheckHmacTestVector(key, message, Digest::SHA_2_512, make_string(sha_512_expected)); |
| } |
| } |
| |
| /* |
| * SigningOperationsTest.HmacRfc4231TestCase6 |
| * |
| * Validates against the test vectors from RFC 4231 test case 6. |
| */ |
| TEST_F(SigningOperationsTest, HmacRfc4231TestCase6) { |
| string key(131, 0xaa); |
| string message = "Test Using Larger Than Block-Size Key - Hash Key First"; |
| |
| uint8_t sha_224_expected[] = { |
| 0x95, 0xe9, 0xa0, 0xdb, 0x96, 0x20, 0x95, 0xad, 0xae, 0xbe, 0x9b, 0x2d, 0x6f, 0x0d, |
| 0xbc, 0xe2, 0xd4, 0x99, 0xf1, 0x12, 0xf2, 0xd2, 0xb7, 0x27, 0x3f, 0xa6, 0x87, 0x0e, |
| }; |
| uint8_t sha_256_expected[] = { |
| 0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f, 0x0d, 0x8a, 0x26, |
| 0xaa, 0xcb, 0xf5, 0xb7, 0x7f, 0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28, |
| 0xc5, 0x14, 0x05, 0x46, 0x04, 0x0f, 0x0e, 0xe3, 0x7f, 0x54, |
| }; |
| uint8_t sha_384_expected[] = { |
| 0x4e, 0xce, 0x08, 0x44, 0x85, 0x81, 0x3e, 0x90, 0x88, 0xd2, 0xc6, 0x3a, |
| 0x04, 0x1b, 0xc5, 0xb4, 0x4f, 0x9e, 0xf1, 0x01, 0x2a, 0x2b, 0x58, 0x8f, |
| 0x3c, 0xd1, 0x1f, 0x05, 0x03, 0x3a, 0xc4, 0xc6, 0x0c, 0x2e, 0xf6, 0xab, |
| 0x40, 0x30, 0xfe, 0x82, 0x96, 0x24, 0x8d, 0xf1, 0x63, 0xf4, 0x49, 0x52, |
| }; |
| uint8_t sha_512_expected[] = { |
| 0x80, 0xb2, 0x42, 0x63, 0xc7, 0xc1, 0xa3, 0xeb, 0xb7, 0x14, 0x93, 0xc1, 0xdd, |
| 0x7b, 0xe8, 0xb4, 0x9b, 0x46, 0xd1, 0xf4, 0x1b, 0x4a, 0xee, 0xc1, 0x12, 0x1b, |
| 0x01, 0x37, 0x83, 0xf8, 0xf3, 0x52, 0x6b, 0x56, 0xd0, 0x37, 0xe0, 0x5f, 0x25, |
| 0x98, 0xbd, 0x0f, 0xd2, 0x21, 0x5d, 0x6a, 0x1e, 0x52, 0x95, 0xe6, 0x4f, 0x73, |
| 0xf6, 0x3f, 0x0a, 0xec, 0x8b, 0x91, 0x5a, 0x98, 0x5d, 0x78, 0x65, 0x98, |
| }; |
| |
| CheckHmacTestVector(key, message, Digest::SHA_2_256, make_string(sha_256_expected)); |
| if (SecLevel() != SecurityLevel::STRONGBOX) { |
| CheckHmacTestVector(key, message, Digest::SHA_2_224, make_string(sha_224_expected)); |
| CheckHmacTestVector(key, message, Digest::SHA_2_384, make_string(sha_384_expected)); |
| CheckHmacTestVector(key, message, Digest::SHA_2_512, make_string(sha_512_expected)); |
| } |
| } |
| |
| /* |
| * SigningOperationsTest.HmacRfc4231TestCase7 |
| * |
| * Validates against the test vectors from RFC 4231 test case 7. |
| */ |
| TEST_F(SigningOperationsTest, HmacRfc4231TestCase7) { |
| string key(131, 0xaa); |
| string message = |
| "This is a test using a larger than block-size key and a larger than " |
| "block-size data. The key needs to be hashed before being used by the HMAC " |
| "algorithm."; |
| |
| uint8_t sha_224_expected[] = { |
| 0x3a, 0x85, 0x41, 0x66, 0xac, 0x5d, 0x9f, 0x02, 0x3f, 0x54, 0xd5, 0x17, 0xd0, 0xb3, |
| 0x9d, 0xbd, 0x94, 0x67, 0x70, 0xdb, 0x9c, 0x2b, 0x95, 0xc9, 0xf6, 0xf5, 0x65, 0xd1, |
| }; |
| uint8_t sha_256_expected[] = { |
| 0x9b, 0x09, 0xff, 0xa7, 0x1b, 0x94, 0x2f, 0xcb, 0x27, 0x63, 0x5f, |
| 0xbc, 0xd5, 0xb0, 0xe9, 0x44, 0xbf, 0xdc, 0x63, 0x64, 0x4f, 0x07, |
| 0x13, 0x93, 0x8a, 0x7f, 0x51, 0x53, 0x5c, 0x3a, 0x35, 0xe2, |
| }; |
| uint8_t sha_384_expected[] = { |
| 0x66, 0x17, 0x17, 0x8e, 0x94, 0x1f, 0x02, 0x0d, 0x35, 0x1e, 0x2f, 0x25, |
| 0x4e, 0x8f, 0xd3, 0x2c, 0x60, 0x24, 0x20, 0xfe, 0xb0, 0xb8, 0xfb, 0x9a, |
| 0xdc, 0xce, 0xbb, 0x82, 0x46, 0x1e, 0x99, 0xc5, 0xa6, 0x78, 0xcc, 0x31, |
| 0xe7, 0x99, 0x17, 0x6d, 0x38, 0x60, 0xe6, 0x11, 0x0c, 0x46, 0x52, 0x3e, |
| }; |
| uint8_t sha_512_expected[] = { |
| 0xe3, 0x7b, 0x6a, 0x77, 0x5d, 0xc8, 0x7d, 0xba, 0xa4, 0xdf, 0xa9, 0xf9, 0x6e, |
| 0x5e, 0x3f, 0xfd, 0xde, 0xbd, 0x71, 0xf8, 0x86, 0x72, 0x89, 0x86, 0x5d, 0xf5, |
| 0xa3, 0x2d, 0x20, 0xcd, 0xc9, 0x44, 0xb6, 0x02, 0x2c, 0xac, 0x3c, 0x49, 0x82, |
| 0xb1, 0x0d, 0x5e, 0xeb, 0x55, 0xc3, 0xe4, 0xde, 0x15, 0x13, 0x46, 0x76, 0xfb, |
| 0x6d, 0xe0, 0x44, 0x60, 0x65, 0xc9, 0x74, 0x40, 0xfa, 0x8c, 0x6a, 0x58, |
| }; |
| |
| CheckHmacTestVector(key, message, Digest::SHA_2_256, make_string(sha_256_expected)); |
| if (SecLevel() != SecurityLevel::STRONGBOX) { |
| CheckHmacTestVector(key, message, Digest::SHA_2_224, make_string(sha_224_expected)); |
| CheckHmacTestVector(key, message, Digest::SHA_2_384, make_string(sha_384_expected)); |
| CheckHmacTestVector(key, message, Digest::SHA_2_512, make_string(sha_512_expected)); |
| } |
| } |
| |
| typedef KeymasterHidlTest VerificationOperationsTest; |
| |
| /* |
| * VerificationOperationsTest.RsaSuccess |
| * |
| * Verifies that a simple RSA signature/verification sequence succeeds. |
| */ |
| TEST_F(VerificationOperationsTest, RsaSuccess) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE))); |
| string message = "12345678901234567890123456789012"; |
| string signature = SignMessage( |
| message, AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE)); |
| VerifyMessage(message, signature, |
| AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE)); |
| } |
| |
| /* |
| * VerificationOperationsTest.RsaSuccess |
| * |
| * Verifies RSA signature/verification for all padding modes and digests. |
| */ |
| TEST_F(VerificationOperationsTest, RsaAllPaddingsAndDigests) { |
| auto authorizations = AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaSigningKey(2048, 65537) |
| .Digest(ValidDigests(true /* withNone */, true /* withMD5 */)) |
| .Padding(PaddingMode::NONE) |
| .Padding(PaddingMode::RSA_PSS) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN); |
| |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(authorizations)); |
| |
| string message(128, 'a'); |
| string corrupt_message(message); |
| ++corrupt_message[corrupt_message.size() / 2]; |
| |
| for (auto padding : |
| {PaddingMode::NONE, PaddingMode::RSA_PSS, PaddingMode::RSA_PKCS1_1_5_SIGN}) { |
| for (auto digest : ValidDigests(true /* withNone */, true /* withMD5 */)) { |
| if (padding == PaddingMode::NONE && digest != Digest::NONE) { |
| // Digesting only makes sense with padding. |
| continue; |
| } |
| |
| if (padding == PaddingMode::RSA_PSS && digest == Digest::NONE) { |
| // PSS requires digesting. |
| continue; |
| } |
| |
| string signature = |
| SignMessage(message, AuthorizationSetBuilder().Digest(digest).Padding(padding)); |
| VerifyMessage(message, signature, |
| AuthorizationSetBuilder().Digest(digest).Padding(padding)); |
| |
| if (digest != Digest::NONE) { |
| // Verify with OpenSSL. |
| HidlBuf pubkey; |
| ASSERT_EQ(ErrorCode::OK, ExportKey(KeyFormat::X509, &pubkey)); |
| |
| const uint8_t* p = pubkey.data(); |
| EVP_PKEY_Ptr pkey(d2i_PUBKEY(nullptr /* alloc new */, &p, pubkey.size())); |
| ASSERT_TRUE(pkey.get()); |
| |
| EVP_MD_CTX digest_ctx; |
| EVP_MD_CTX_init(&digest_ctx); |
| EVP_PKEY_CTX* pkey_ctx; |
| const EVP_MD* md = openssl_digest(digest); |
| ASSERT_NE(md, nullptr); |
| EXPECT_EQ(1, EVP_DigestVerifyInit(&digest_ctx, &pkey_ctx, md, nullptr /* engine */, |
| pkey.get())); |
| |
| switch (padding) { |
| case PaddingMode::RSA_PSS: |
| EXPECT_GT(EVP_PKEY_CTX_set_rsa_padding(pkey_ctx, RSA_PKCS1_PSS_PADDING), 0); |
| EXPECT_GT(EVP_PKEY_CTX_set_rsa_pss_saltlen(pkey_ctx, EVP_MD_size(md)), 0); |
| break; |
| case PaddingMode::RSA_PKCS1_1_5_SIGN: |
| // PKCS1 is the default; don't need to set anything. |
| break; |
| default: |
| FAIL(); |
| break; |
| } |
| |
| EXPECT_EQ(1, EVP_DigestVerifyUpdate(&digest_ctx, message.data(), message.size())); |
| EXPECT_EQ(1, EVP_DigestVerifyFinal( |
| &digest_ctx, reinterpret_cast<const uint8_t*>(signature.data()), |
| signature.size())); |
| EVP_MD_CTX_cleanup(&digest_ctx); |
| } |
| |
| // Corrupt signature shouldn't verify. |
| string corrupt_signature(signature); |
| ++corrupt_signature[corrupt_signature.size() / 2]; |
| |
| EXPECT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::VERIFY, |
| AuthorizationSetBuilder().Digest(digest).Padding(padding))); |
| string result; |
| EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(message, corrupt_signature, &result)); |
| |
| // Corrupt message shouldn't verify |
| EXPECT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::VERIFY, |
| AuthorizationSetBuilder().Digest(digest).Padding(padding))); |
| EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(corrupt_message, signature, &result)); |
| } |
| } |
| } |
| |
| /* |
| * VerificationOperationsTest.RsaSuccess |
| * |
| * Verifies ECDSA signature/verification for all digests and curves. |
| */ |
| TEST_F(VerificationOperationsTest, EcdsaAllDigestsAndCurves) { |
| auto digests = ValidDigests(true /* withNone */, false /* withMD5 */); |
| |
| string message = "1234567890"; |
| string corrupt_message = "2234567890"; |
| for (auto curve : ValidCurves()) { |
| ErrorCode error = GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(curve) |
| .Digest(digests)); |
| EXPECT_EQ(ErrorCode::OK, error) << "Failed to generate key for EC curve " << curve; |
| if (error != ErrorCode::OK) { |
| continue; |
| } |
| |
| for (auto digest : digests) { |
| string signature = SignMessage(message, AuthorizationSetBuilder().Digest(digest)); |
| VerifyMessage(message, signature, AuthorizationSetBuilder().Digest(digest)); |
| |
| // Verify with OpenSSL |
| if (digest != Digest::NONE) { |
| HidlBuf pubkey; |
| ASSERT_EQ(ErrorCode::OK, ExportKey(KeyFormat::X509, &pubkey)) |
| << curve << ' ' << digest; |
| |
| const uint8_t* p = pubkey.data(); |
| EVP_PKEY_Ptr pkey(d2i_PUBKEY(nullptr /* alloc new */, &p, pubkey.size())); |
| ASSERT_TRUE(pkey.get()); |
| |
| EVP_MD_CTX digest_ctx; |
| EVP_MD_CTX_init(&digest_ctx); |
| EVP_PKEY_CTX* pkey_ctx; |
| const EVP_MD* md = openssl_digest(digest); |
| |
| EXPECT_EQ(1, EVP_DigestVerifyInit(&digest_ctx, &pkey_ctx, md, nullptr /* engine */, |
| pkey.get())) |
| << curve << ' ' << digest; |
| |
| EXPECT_EQ(1, EVP_DigestVerifyUpdate(&digest_ctx, message.data(), message.size())) |
| << curve << ' ' << digest; |
| |
| EXPECT_EQ(1, EVP_DigestVerifyFinal( |
| &digest_ctx, reinterpret_cast<const uint8_t*>(signature.data()), |
| signature.size())) |
| << curve << ' ' << digest; |
| |
| EVP_MD_CTX_cleanup(&digest_ctx); |
| } |
| |
| // Corrupt signature shouldn't verify. |
| string corrupt_signature(signature); |
| ++corrupt_signature[corrupt_signature.size() / 2]; |
| |
| EXPECT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::VERIFY, AuthorizationSetBuilder().Digest(digest))) |
| << curve << ' ' << digest; |
| |
| string result; |
| EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(message, corrupt_signature, &result)) |
| << curve << ' ' << digest; |
| |
| // Corrupt message shouldn't verify |
| EXPECT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::VERIFY, AuthorizationSetBuilder().Digest(digest))) |
| << curve << ' ' << digest; |
| |
| EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(corrupt_message, signature, &result)) |
| << curve << ' ' << digest; |
| } |
| |
| auto rc = DeleteKey(); |
| ASSERT_TRUE(rc == ErrorCode::OK || rc == ErrorCode::UNIMPLEMENTED); |
| } |
| } |
| |
| /* |
| * VerificationOperationsTest.HmacSigningKeyCannotVerify |
| * |
| * Verifies HMAC signing and verification, but that a signing key cannot be used to verify. |
| */ |
| TEST_F(VerificationOperationsTest, HmacSigningKeyCannotVerify) { |
| string key_material = "HelloThisIsAKey"; |
| |
| HidlBuf signing_key, verification_key; |
| KeyCharacteristics signing_key_chars, verification_key_chars; |
| EXPECT_EQ(ErrorCode::OK, |
| ImportKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Authorization(TAG_ALGORITHM, Algorithm::HMAC) |
| .Authorization(TAG_PURPOSE, KeyPurpose::SIGN) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, 160), |
| KeyFormat::RAW, key_material, &signing_key, &signing_key_chars)); |
| EXPECT_EQ(ErrorCode::OK, |
| ImportKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Authorization(TAG_ALGORITHM, Algorithm::HMAC) |
| .Authorization(TAG_PURPOSE, KeyPurpose::VERIFY) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, 160), |
| KeyFormat::RAW, key_material, &verification_key, &verification_key_chars)); |
| |
| string message = "This is a message."; |
| string signature = SignMessage( |
| signing_key, message, |
| AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Authorization(TAG_MAC_LENGTH, 160)); |
| |
| // Signing key should not work. |
| AuthorizationSet out_params; |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE, |
| Begin(KeyPurpose::VERIFY, signing_key, AuthorizationSetBuilder().Digest(Digest::SHA_2_256), |
| &out_params, &op_handle_)); |
| |
| // Verification key should work. |
| VerifyMessage(verification_key, message, signature, |
| AuthorizationSetBuilder().Digest(Digest::SHA_2_256)); |
| |
| CheckedDeleteKey(&signing_key); |
| CheckedDeleteKey(&verification_key); |
| } |
| |
| typedef KeymasterHidlTest ExportKeyTest; |
| |
| /* |
| * ExportKeyTest.RsaUnsupportedKeyFormat |
| * |
| * Verifies that attempting to export RSA keys in PKCS#8 format fails with the correct error. |
| */ |
| TEST_F(ExportKeyTest, RsaUnsupportedKeyFormat) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE))); |
| HidlBuf export_data; |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_KEY_FORMAT, ExportKey(KeyFormat::PKCS8, &export_data)); |
| } |
| |
| /* |
| * ExportKeyTest.RsaCorruptedKeyBlob |
| * |
| * Verifies that attempting to export RSA keys from corrupted key blobs fails. This is essentially |
| * a poor-man's key blob fuzzer. |
| */ |
| TEST_F(ExportKeyTest, RsaCorruptedKeyBlob) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE))); |
| for (size_t i = 0; i < key_blob_.size(); ++i) { |
| HidlBuf corrupted(key_blob_); |
| ++corrupted[i]; |
| |
| HidlBuf export_data; |
| EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB, |
| ExportKey(KeyFormat::X509, corrupted, HidlBuf(), HidlBuf(), &export_data)) |
| << "Blob corrupted at offset " << i << " erroneously accepted as valid"; |
| } |
| } |
| |
| /* |
| * ExportKeyTest.RsaCorruptedKeyBlob |
| * |
| * Verifies that attempting to export ECDSA keys from corrupted key blobs fails. This is |
| * essentially a poor-man's key blob fuzzer. |
| */ |
| TEST_F(ExportKeyTest, EcCorruptedKeyBlob) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(EcCurve::P_256) |
| .Digest(Digest::NONE))); |
| for (size_t i = 0; i < key_blob_.size(); ++i) { |
| HidlBuf corrupted(key_blob_); |
| ++corrupted[i]; |
| |
| HidlBuf export_data; |
| EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB, |
| ExportKey(KeyFormat::X509, corrupted, HidlBuf(), HidlBuf(), &export_data)) |
| << "Blob corrupted at offset " << i << " erroneously accepted as valid"; |
| } |
| } |
| |
| /* |
| * ExportKeyTest.AesKeyUnexportable |
| * |
| * Verifies that attempting to export AES keys fails in the expected way. |
| */ |
| TEST_F(ExportKeyTest, AesKeyUnexportable) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .EcbMode() |
| .Padding(PaddingMode::NONE))); |
| |
| HidlBuf export_data; |
| EXPECT_EQ(ErrorCode::UNSUPPORTED_KEY_FORMAT, ExportKey(KeyFormat::X509, &export_data)); |
| EXPECT_EQ(ErrorCode::UNSUPPORTED_KEY_FORMAT, ExportKey(KeyFormat::PKCS8, &export_data)); |
| EXPECT_EQ(ErrorCode::UNSUPPORTED_KEY_FORMAT, ExportKey(KeyFormat::RAW, &export_data)); |
| } |
| |
| class ImportKeyTest : public KeymasterHidlTest { |
| public: |
| template <TagType tag_type, Tag tag, typename ValueT> |
| void CheckCryptoParam(TypedTag<tag_type, tag> ttag, ValueT expected) { |
| SCOPED_TRACE("CheckCryptoParam"); |
| if (IsSecure()) { |
| EXPECT_TRUE(contains(key_characteristics_.hardwareEnforced, ttag, expected)) |
| << "Tag " << tag << " with value " << expected << " not found"; |
| EXPECT_FALSE(contains(key_characteristics_.softwareEnforced, ttag)) |
| << "Tag " << tag << " found"; |
| } else { |
| EXPECT_TRUE(contains(key_characteristics_.softwareEnforced, ttag, expected)) |
| << "Tag " << tag << " with value " << expected << " not found"; |
| EXPECT_FALSE(contains(key_characteristics_.hardwareEnforced, ttag)) |
| << "Tag " << tag << " found"; |
| } |
| } |
| |
| void CheckOrigin() { |
| SCOPED_TRACE("CheckOrigin"); |
| if (IsSecure()) { |
| EXPECT_TRUE( |
| contains(key_characteristics_.hardwareEnforced, TAG_ORIGIN, KeyOrigin::IMPORTED)); |
| } else { |
| EXPECT_TRUE( |
| contains(key_characteristics_.softwareEnforced, TAG_ORIGIN, KeyOrigin::IMPORTED)); |
| } |
| } |
| }; |
| |
| /* |
| * ImportKeyTest.RsaSuccess |
| * |
| * Verifies that importing and using an RSA key pair works correctly. |
| */ |
| TEST_F(ImportKeyTest, RsaSuccess) { |
| ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaSigningKey(1024, 65537) |
| .Digest(Digest::SHA_2_256) |
| .Padding(PaddingMode::RSA_PSS), |
| KeyFormat::PKCS8, rsa_key)); |
| |
| CheckCryptoParam(TAG_ALGORITHM, Algorithm::RSA); |
| CheckCryptoParam(TAG_KEY_SIZE, 1024U); |
| CheckCryptoParam(TAG_RSA_PUBLIC_EXPONENT, 65537U); |
| CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256); |
| CheckCryptoParam(TAG_PADDING, PaddingMode::RSA_PSS); |
| CheckOrigin(); |
| |
| string message(1024 / 8, 'a'); |
| auto params = AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Padding(PaddingMode::RSA_PSS); |
| string signature = SignMessage(message, params); |
| VerifyMessage(message, signature, params); |
| } |
| |
| /* |
| * ImportKeyTest.RsaKeySizeMismatch |
| * |
| * Verifies that importing an RSA key pair with a size that doesn't match the key fails in the |
| * correct way. |
| */ |
| TEST_F(ImportKeyTest, RsaKeySizeMismatch) { |
| ASSERT_EQ(ErrorCode::IMPORT_PARAMETER_MISMATCH, |
| ImportKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048 /* Doesn't match key */, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE), |
| KeyFormat::PKCS8, rsa_key)); |
| } |
| |
| /* |
| * ImportKeyTest.RsaPublicExponentMismatch |
| * |
| * Verifies that importing an RSA key pair with a public exponent that doesn't match the key fails |
| * in the correct way. |
| */ |
| TEST_F(ImportKeyTest, RsaPublicExponentMismatch) { |
| ASSERT_EQ(ErrorCode::IMPORT_PARAMETER_MISMATCH, |
| ImportKey(AuthorizationSetBuilder() |
| .RsaSigningKey(1024, 3 /* Doesn't match key */) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE), |
| KeyFormat::PKCS8, rsa_key)); |
| } |
| |
| /* |
| * ImportKeyTest.EcdsaSuccess |
| * |
| * Verifies that importing and using an ECDSA P-256 key pair works correctly. |
| */ |
| TEST_F(ImportKeyTest, EcdsaSuccess) { |
| ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(256) |
| .Digest(Digest::SHA_2_256), |
| KeyFormat::PKCS8, ec_256_key)); |
| |
| CheckCryptoParam(TAG_ALGORITHM, Algorithm::EC); |
| CheckCryptoParam(TAG_KEY_SIZE, 256U); |
| CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256); |
| CheckCryptoParam(TAG_EC_CURVE, EcCurve::P_256); |
| |
| CheckOrigin(); |
| |
| string message(32, 'a'); |
| auto params = AuthorizationSetBuilder().Digest(Digest::SHA_2_256); |
| string signature = SignMessage(message, params); |
| VerifyMessage(message, signature, params); |
| } |
| |
| /* |
| * ImportKeyTest.EcdsaP256RFC5915Success |
| * |
| * Verifies that importing and using an ECDSA P-256 key pair encoded using RFC5915 works correctly. |
| */ |
| TEST_F(ImportKeyTest, EcdsaP256RFC5915Success) { |
| ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(256) |
| .Digest(Digest::SHA_2_256), |
| KeyFormat::PKCS8, ec_256_key_rfc5915)); |
| |
| CheckCryptoParam(TAG_ALGORITHM, Algorithm::EC); |
| CheckCryptoParam(TAG_KEY_SIZE, 256U); |
| CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256); |
| CheckCryptoParam(TAG_EC_CURVE, EcCurve::P_256); |
| |
| CheckOrigin(); |
| |
| string message(32, 'a'); |
| auto params = AuthorizationSetBuilder().Digest(Digest::SHA_2_256); |
| string signature = SignMessage(message, params); |
| VerifyMessage(message, signature, params); |
| } |
| |
| /* |
| * ImportKeyTest.EcdsaP256SEC1Success |
| * |
| * Verifies that importing and using an ECDSA P-256 key pair encoded using SEC1 works correctly. |
| */ |
| TEST_F(ImportKeyTest, EcdsaP256SEC1Success) { |
| ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(256) |
| .Digest(Digest::SHA_2_256), |
| KeyFormat::PKCS8, ec_256_key_sec1)); |
| |
| CheckCryptoParam(TAG_ALGORITHM, Algorithm::EC); |
| CheckCryptoParam(TAG_KEY_SIZE, 256U); |
| CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256); |
| CheckCryptoParam(TAG_EC_CURVE, EcCurve::P_256); |
| |
| CheckOrigin(); |
| |
| string message(32, 'a'); |
| auto params = AuthorizationSetBuilder().Digest(Digest::SHA_2_256); |
| string signature = SignMessage(message, params); |
| VerifyMessage(message, signature, params); |
| } |
| |
| /* |
| * ImportKeyTest.Ecdsa521Success |
| * |
| * Verifies that importing and using an ECDSA P-521 key pair works correctly. |
| */ |
| TEST_F(ImportKeyTest, Ecdsa521Success) { |
| if (SecLevel() == SecurityLevel::STRONGBOX) return; |
| ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(521) |
| .Digest(Digest::SHA_2_256), |
| KeyFormat::PKCS8, ec_521_key)); |
| |
| CheckCryptoParam(TAG_ALGORITHM, Algorithm::EC); |
| CheckCryptoParam(TAG_KEY_SIZE, 521U); |
| CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256); |
| CheckCryptoParam(TAG_EC_CURVE, EcCurve::P_521); |
| CheckOrigin(); |
| |
| string message(32, 'a'); |
| auto params = AuthorizationSetBuilder().Digest(Digest::SHA_2_256); |
| string signature = SignMessage(message, params); |
| VerifyMessage(message, signature, params); |
| } |
| |
| /* |
| * ImportKeyTest.EcdsaSizeMismatch |
| * |
| * Verifies that importing an ECDSA key pair with a size that doesn't match the key fails in the |
| * correct way. |
| */ |
| TEST_F(ImportKeyTest, EcdsaSizeMismatch) { |
| ASSERT_EQ(ErrorCode::IMPORT_PARAMETER_MISMATCH, |
| ImportKey(AuthorizationSetBuilder() |
| .EcdsaSigningKey(224 /* Doesn't match key */) |
| .Digest(Digest::NONE), |
| KeyFormat::PKCS8, ec_256_key)); |
| } |
| |
| /* |
| * ImportKeyTest.EcdsaCurveMismatch |
| * |
| * Verifies that importing an ECDSA key pair with a curve that doesn't match the key fails in the |
| * correct way. |
| */ |
| TEST_F(ImportKeyTest, EcdsaCurveMismatch) { |
| ASSERT_EQ(ErrorCode::IMPORT_PARAMETER_MISMATCH, |
| ImportKey(AuthorizationSetBuilder() |
| .EcdsaSigningKey(EcCurve::P_224 /* Doesn't match key */) |
| .Digest(Digest::NONE), |
| KeyFormat::PKCS8, ec_256_key)); |
| } |
| |
| /* |
| * ImportKeyTest.AesSuccess |
| * |
| * Verifies that importing and using an AES key works. |
| */ |
| TEST_F(ImportKeyTest, AesSuccess) { |
| string key = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; |
| ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(key.size() * 8) |
| .EcbMode() |
| .Padding(PaddingMode::PKCS7), |
| KeyFormat::RAW, key)); |
| |
| CheckCryptoParam(TAG_ALGORITHM, Algorithm::AES); |
| CheckCryptoParam(TAG_KEY_SIZE, 128U); |
| CheckCryptoParam(TAG_PADDING, PaddingMode::PKCS7); |
| CheckCryptoParam(TAG_BLOCK_MODE, BlockMode::ECB); |
| CheckOrigin(); |
| |
| string message = "Hello World!"; |
| auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7); |
| string ciphertext = EncryptMessage(message, params); |
| string plaintext = DecryptMessage(ciphertext, params); |
| EXPECT_EQ(message, plaintext); |
| } |
| |
| /* |
| * ImportKeyTest.AesSuccess |
| * |
| * Verifies that importing and using an HMAC key works. |
| */ |
| TEST_F(ImportKeyTest, HmacKeySuccess) { |
| string key = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; |
| ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .HmacKey(key.size() * 8) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, 256), |
| KeyFormat::RAW, key)); |
| |
| CheckCryptoParam(TAG_ALGORITHM, Algorithm::HMAC); |
| CheckCryptoParam(TAG_KEY_SIZE, 128U); |
| CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256); |
| CheckOrigin(); |
| |
| string message = "Hello World!"; |
| string signature = MacMessage(message, Digest::SHA_2_256, 256); |
| VerifyMessage(message, signature, AuthorizationSetBuilder().Digest(Digest::SHA_2_256)); |
| } |
| |
| auto wrapped_key = hex2str( |
| "3082017902010004820100A0E69B1395D382354FC0E7F74AC068C5818279D76D46745C7274997D045BAA8B9763B3F3" |
| "09E5E59ECA99273AAAE0A37449DA9B1E67B66EC4E42BB62C25346683A43A9F2ACBCA6D350B25551CC53CE0721D29BE" |
| "90F60686877478F82B3BB111C5EAC0BAE9310D7AD11F5A82948B31C322820F24E20DDB0FBD07D1566DAEAA058D4645" |
| "2607352699E1F631D2ABAF60B13E41ED5EDBB90D252331BDB9CDB1B672E871F37CAC009FE9028B3B1E0ACE8F6F0678" |
| "3F581B860620BDD478969EDE3101AAEFF65C6DB03E143E586167DC87D0CCE39E9119782F7B60A7A1CF2B7EE234E013" |
| "E3DE6C56F0D51F30C389D31FA37C5F2875ACB44434E82EF40B316C93DE129BA0040CD796B02C370F1FA4CC0124F130" |
| "2E0201033029A1083106020100020101A203020120A30402020100A4053103020101A6053103020140BF8377020500" |
| "0420CCD540855F833A5E1480BFD2D36FAF3AEEE15DF5BEABE2691BC82DDE2A7AA910041064C9F689C60FF6223AB6E6" |
| "999E0EB6E5"); |
| |
| auto wrapped_key_masked = hex2str( |
| "30820179020100048201001EF5320D3C920D7614688A439409ACE4318C48395ABB7247A68671BD4B7156A7773B31A4" |
| "4459B73858625988A312E4D8855138F555678F525E4C52D91444FDC936BE6AEB63FD73FD84201EF46F88A0B622F528" |
| "956C92C9C731EB65BCBC6A03BEAB45959B54A768E2842D2CE174EE542EF2A15DCAA7542F3574BEEB1A991F95439466" |
| "E1960A9CE9E4CBC77DB23765191E4758C850908BCC74E158B77AB774141F171262C1AC771FDFA2E942F2F7633E97E8" |
| "0BD492C3E821361AC6B4F568DE351C816C8C997212C707F728FB3BCAAA796EA6B8E7A80BE010970B380122940277E9" |
| "4C5E9288F7CB6878A4C4CC1E83AB85A81FD68E43B14F1F81AD21E0D3545D70EE040C6D9721D08589581AB49204A330" |
| "2E0201033029A1083106020100020101A203020120A30402020100A4053103020101A6053103020140BF8377020500" |
| "0420A61C6E247E25B3E6E69AA78EB03C2D4AC20D1F99A9A024A76F35C8E2CAB9B68D04102560C70109AE67C030F00B" |
| "98B512A670"); |
| |
| auto wrapping_key = hex2str( |
| "308204be020100300d06092a864886f70d0101010500048204a8308204a40201000282010100aec367931d8900ce56" |
| "b0067f7d70e1fc653f3f34d194c1fed50018fb43db937b06e673a837313d56b1c725150a3fef86acbddc41bb759c28" |
| "54eae32d35841efb5c18d82bc90a1cb5c1d55adf245b02911f0b7cda88c421ff0ebafe7c0d23be312d7bd5921ffaea" |
| "1347c157406fef718f682643e4e5d33c6703d61c0cf7ac0bf4645c11f5c1374c3886427411c449796792e0bef75dec" |
| "858a2123c36753e02a95a96d7c454b504de385a642e0dfc3e60ac3a7ee4991d0d48b0172a95f9536f02ba13cecccb9" |
| "2b727db5c27e5b2f5cec09600b286af5cf14c42024c61ddfe71c2a8d7458f185234cb00e01d282f10f8fc6721d2aed" |
| "3f4833cca2bd8fa62821dd55020301000102820100431447b6251908112b1ee76f99f3711a52b6630960046c2de70d" |
| "e188d833f8b8b91e4d785caeeeaf4f0f74414e2cda40641f7fe24f14c67a88959bdb27766df9e710b630a03adc683b" |
| "5d2c43080e52bee71e9eaeb6de297a5fea1072070d181c822bccff087d63c940ba8a45f670feb29fb4484d1c95e6d2" |
| "579ba02aae0a00900c3ebf490e3d2cd7ee8d0e20c536e4dc5a5097272888cddd7e91f228b1c4d7474c55b8fcd618c4" |
| "a957bbddd5ad7407cc312d8d98a5caf7e08f4a0d6b45bb41c652659d5a5ba05b663737a8696281865ba20fbdd7f851" |
| "e6c56e8cbe0ddbbf24dc03b2d2cb4c3d540fb0af52e034a2d06698b128e5f101e3b51a34f8d8b4f8618102818100de" |
| "392e18d682c829266cc3454e1d6166242f32d9a1d10577753e904ea7d08bff841be5bac82a164c5970007047b8c517" |
| "db8f8f84e37bd5988561bdf503d4dc2bdb38f885434ae42c355f725c9a60f91f0788e1f1a97223b524b5357fdf72e2" |
| "f696bab7d78e32bf92ba8e1864eab1229e91346130748a6e3c124f9149d71c743502818100c95387c0f9d35f137b57" |
| "d0d65c397c5e21cc251e47008ed62a542409c8b6b6ac7f8967b3863ca645fcce49582a9aa17349db6c4a95affdae0d" |
| "ae612e1afac99ed39a2d934c880440aed8832f9843163a47f27f392199dc1202f9a0f9bd08308007cb1e4e7f583093" |
| "66a7de25f7c3c9b880677c068e1be936e81288815252a8a102818057ff8ca1895080b2cae486ef0adfd791fb0235c0" |
| "b8b36cd6c136e52e4085f4ea5a063212a4f105a3764743e53281988aba073f6e0027298e1c4378556e0efca0e14ece" |
| "1af76ad0b030f27af6f0ab35fb73a060d8b1a0e142fa2647e93b32e36d8282ae0a4de50ab7afe85500a16f43a64719" |
| "d6e2b9439823719cd08bcd03178102818100ba73b0bb28e3f81e9bd1c568713b101241acc607976c4ddccc90e65b65" |
| "56ca31516058f92b6e09f3b160ff0e374ec40d78ae4d4979fde6ac06a1a400c61dd31254186af30b22c10582a8a43e" |
| "34fe949c5f3b9755bae7baa7b7b7a6bd03b38cef55c86885fc6c1978b9cee7ef33da507c9df6b9277cff1e6aaa5d57" |
| "aca528466102818100c931617c77829dfb1270502be9195c8f2830885f57dba869536811e6864236d0c4736a0008a1" |
| "45af36b8357a7c3d139966d04c4e00934ea1aede3bb6b8ec841dc95e3f579751e2bfdfe27ae778983f959356210723" |
| "287b0affcc9f727044d48c373f1babde0724fa17a4fd4da0902c7c9b9bf27ba61be6ad02dfddda8f4e6822"); |
| |
| string zero_masking_key = |
| hex2str("0000000000000000000000000000000000000000000000000000000000000000"); |
| string masking_key = hex2str("D796B02C370F1FA4CC0124F14EC8CBEBE987E825246265050F399A51FD477DFC"); |
| |
| class ImportWrappedKeyTest : public KeymasterHidlTest {}; |
| |
| TEST_F(ImportWrappedKeyTest, Success) { |
| auto wrapping_key_desc = AuthorizationSetBuilder() |
| .RsaEncryptionKey(2048, 65537) |
| .Digest(Digest::SHA1) |
| .Padding(PaddingMode::RSA_OAEP) |
| .Authorization(TAG_PURPOSE, KeyPurpose::WRAP_KEY); |
| |
| ASSERT_EQ(ErrorCode::OK, |
| ImportWrappedKey( |
| wrapped_key, wrapping_key, wrapping_key_desc, zero_masking_key, |
| AuthorizationSetBuilder().Digest(Digest::SHA1).Padding(PaddingMode::RSA_OAEP))); |
| |
| string message = "Hello World!"; |
| auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7); |
| string ciphertext = EncryptMessage(message, params); |
| string plaintext = DecryptMessage(ciphertext, params); |
| EXPECT_EQ(message, plaintext); |
| } |
| |
| TEST_F(ImportWrappedKeyTest, SuccessMasked) { |
| auto wrapping_key_desc = AuthorizationSetBuilder() |
| .RsaEncryptionKey(2048, 65537) |
| .Digest(Digest::SHA1) |
| .Padding(PaddingMode::RSA_OAEP) |
| .Authorization(TAG_PURPOSE, KeyPurpose::WRAP_KEY); |
| |
| ASSERT_EQ(ErrorCode::OK, |
| ImportWrappedKey( |
| wrapped_key_masked, wrapping_key, wrapping_key_desc, masking_key, |
| AuthorizationSetBuilder().Digest(Digest::SHA1).Padding(PaddingMode::RSA_OAEP))); |
| } |
| |
| TEST_F(ImportWrappedKeyTest, WrongMask) { |
| auto wrapping_key_desc = AuthorizationSetBuilder() |
| .RsaEncryptionKey(2048, 65537) |
| .Digest(Digest::SHA1) |
| .Padding(PaddingMode::RSA_OAEP) |
| .Authorization(TAG_PURPOSE, KeyPurpose::WRAP_KEY); |
| |
| ASSERT_EQ(ErrorCode::VERIFICATION_FAILED, |
| ImportWrappedKey( |
| wrapped_key_masked, wrapping_key, wrapping_key_desc, zero_masking_key, |
| AuthorizationSetBuilder().Digest(Digest::SHA1).Padding(PaddingMode::RSA_OAEP))); |
| } |
| |
| TEST_F(ImportWrappedKeyTest, WrongPurpose) { |
| auto wrapping_key_desc = AuthorizationSetBuilder() |
| .RsaEncryptionKey(2048, 65537) |
| .Digest(Digest::SHA1) |
| .Padding(PaddingMode::RSA_OAEP); |
| |
| ASSERT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE, |
| ImportWrappedKey( |
| wrapped_key_masked, wrapping_key, wrapping_key_desc, zero_masking_key, |
| AuthorizationSetBuilder().Digest(Digest::SHA1).Padding(PaddingMode::RSA_OAEP))); |
| } |
| |
| typedef KeymasterHidlTest EncryptionOperationsTest; |
| |
| /* |
| * EncryptionOperationsTest.RsaNoPaddingSuccess |
| * |
| * Verifies that raw RSA encryption works. |
| */ |
| TEST_F(EncryptionOperationsTest, RsaNoPaddingSuccess) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(2048, 65537) |
| .Padding(PaddingMode::NONE))); |
| |
| string message = string(2048 / 8, 'a'); |
| auto params = AuthorizationSetBuilder().Padding(PaddingMode::NONE); |
| string ciphertext1 = EncryptMessage(message, params); |
| EXPECT_EQ(2048U / 8, ciphertext1.size()); |
| |
| string ciphertext2 = EncryptMessage(message, params); |
| EXPECT_EQ(2048U / 8, ciphertext2.size()); |
| |
| // Unpadded RSA is deterministic |
| EXPECT_EQ(ciphertext1, ciphertext2); |
| } |
| |
| /* |
| * EncryptionOperationsTest.RsaNoPaddingShortMessage |
| * |
| * Verifies that raw RSA encryption of short messages works. |
| */ |
| TEST_F(EncryptionOperationsTest, RsaNoPaddingShortMessage) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(2048, 65537) |
| .Padding(PaddingMode::NONE))); |
| |
| string message = "1"; |
| auto params = AuthorizationSetBuilder().Padding(PaddingMode::NONE); |
| |
| string ciphertext = EncryptMessage(message, params); |
| EXPECT_EQ(2048U / 8, ciphertext.size()); |
| |
| string expected_plaintext = string(2048U / 8 - 1, 0) + message; |
| string plaintext = DecryptMessage(ciphertext, params); |
| |
| EXPECT_EQ(expected_plaintext, plaintext); |
| |
| // Degenerate case, encrypting a numeric 1 yields 0x00..01 as the ciphertext. |
| message = static_cast<char>(1); |
| ciphertext = EncryptMessage(message, params); |
| EXPECT_EQ(2048U / 8, ciphertext.size()); |
| EXPECT_EQ(ciphertext, string(2048U / 8 - 1, 0) + message); |
| } |
| |
| /* |
| * EncryptionOperationsTest.RsaNoPaddingTooLong |
| * |
| * Verifies that raw RSA encryption of too-long messages fails in the expected way. |
| */ |
| TEST_F(EncryptionOperationsTest, RsaNoPaddingTooLong) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(2048, 65537) |
| .Padding(PaddingMode::NONE))); |
| |
| string message(2048 / 8 + 1, 'a'); |
| |
| auto params = AuthorizationSetBuilder().Padding(PaddingMode::NONE); |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params)); |
| |
| string result; |
| EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, Finish(message, &result)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.RsaNoPaddingTooLarge |
| * |
| * Verifies that raw RSA encryption of too-large (numerically) messages fails in the expected way. |
| */ |
| TEST_F(EncryptionOperationsTest, RsaNoPaddingTooLarge) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(2048, 65537) |
| .Padding(PaddingMode::NONE))); |
| |
| HidlBuf exported; |
| ASSERT_EQ(ErrorCode::OK, ExportKey(KeyFormat::X509, &exported)); |
| |
| const uint8_t* p = exported.data(); |
| EVP_PKEY_Ptr pkey(d2i_PUBKEY(nullptr /* alloc new */, &p, exported.size())); |
| RSA_Ptr rsa(EVP_PKEY_get1_RSA(pkey.get())); |
| |
| size_t modulus_len = BN_num_bytes(rsa->n); |
| ASSERT_EQ(2048U / 8, modulus_len); |
| std::unique_ptr<uint8_t[]> modulus_buf(new uint8_t[modulus_len]); |
| BN_bn2bin(rsa->n, modulus_buf.get()); |
| |
| // The modulus is too big to encrypt. |
| string message(reinterpret_cast<const char*>(modulus_buf.get()), modulus_len); |
| |
| auto params = AuthorizationSetBuilder().Padding(PaddingMode::NONE); |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params)); |
| |
| string result; |
| EXPECT_EQ(ErrorCode::INVALID_ARGUMENT, Finish(message, &result)); |
| |
| // One smaller than the modulus is okay. |
| BN_sub(rsa->n, rsa->n, BN_value_one()); |
| modulus_len = BN_num_bytes(rsa->n); |
| ASSERT_EQ(2048U / 8, modulus_len); |
| BN_bn2bin(rsa->n, modulus_buf.get()); |
| message = string(reinterpret_cast<const char*>(modulus_buf.get()), modulus_len); |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params)); |
| EXPECT_EQ(ErrorCode::OK, Finish(message, &result)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.RsaOaepSuccess |
| * |
| * Verifies that RSA-OAEP encryption operations work, with all digests. |
| */ |
| TEST_F(EncryptionOperationsTest, RsaOaepSuccess) { |
| auto digests = ValidDigests(false /* withNone */, true /* withMD5 */); |
| |
| size_t key_size = 2048; // Need largish key for SHA-512 test. |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(key_size, 65537) |
| .Padding(PaddingMode::RSA_OAEP) |
| .Digest(digests))); |
| |
| string message = "Hello"; |
| |
| for (auto digest : digests) { |
| auto params = AuthorizationSetBuilder().Digest(digest).Padding(PaddingMode::RSA_OAEP); |
| string ciphertext1 = EncryptMessage(message, params); |
| if (HasNonfatalFailure()) std::cout << "-->" << digest << std::endl; |
| EXPECT_EQ(key_size / 8, ciphertext1.size()); |
| |
| string ciphertext2 = EncryptMessage(message, params); |
| EXPECT_EQ(key_size / 8, ciphertext2.size()); |
| |
| // OAEP randomizes padding so every result should be different (with astronomically high |
| // probability). |
| EXPECT_NE(ciphertext1, ciphertext2); |
| |
| string plaintext1 = DecryptMessage(ciphertext1, params); |
| EXPECT_EQ(message, plaintext1) << "RSA-OAEP failed with digest " << digest; |
| string plaintext2 = DecryptMessage(ciphertext2, params); |
| EXPECT_EQ(message, plaintext2) << "RSA-OAEP failed with digest " << digest; |
| |
| // Decrypting corrupted ciphertext should fail. |
| size_t offset_to_corrupt = random() % ciphertext1.size(); |
| char corrupt_byte; |
| do { |
| corrupt_byte = static_cast<char>(random() % 256); |
| } while (corrupt_byte == ciphertext1[offset_to_corrupt]); |
| ciphertext1[offset_to_corrupt] = corrupt_byte; |
| |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params)); |
| string result; |
| EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext1, &result)); |
| EXPECT_EQ(0U, result.size()); |
| } |
| } |
| |
| /* |
| * EncryptionOperationsTest.RsaOaepInvalidDigest |
| * |
| * Verifies that RSA-OAEP encryption operations fail in the correct way when asked to operate |
| * without a digest. |
| */ |
| TEST_F(EncryptionOperationsTest, RsaOaepInvalidDigest) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(2048, 65537) |
| .Padding(PaddingMode::RSA_OAEP) |
| .Digest(Digest::NONE))); |
| string message = "Hello World!"; |
| |
| auto params = AuthorizationSetBuilder().Padding(PaddingMode::RSA_OAEP).Digest(Digest::NONE); |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_DIGEST, Begin(KeyPurpose::ENCRYPT, params)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.RsaOaepInvalidDigest |
| * |
| * Verifies that RSA-OAEP encryption operations fail in the correct way when asked to decrypt with a |
| * different digest than was used to encrypt. |
| */ |
| TEST_F(EncryptionOperationsTest, RsaOaepDecryptWithWrongDigest) { |
| if (SecLevel() == SecurityLevel::STRONGBOX) return; |
| |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(1024, 65537) |
| .Padding(PaddingMode::RSA_OAEP) |
| .Digest(Digest::SHA_2_224, Digest::SHA_2_256))); |
| string message = "Hello World!"; |
| string ciphertext = EncryptMessage( |
| message, |
| AuthorizationSetBuilder().Digest(Digest::SHA_2_224).Padding(PaddingMode::RSA_OAEP)); |
| |
| EXPECT_EQ( |
| ErrorCode::OK, |
| Begin(KeyPurpose::DECRYPT, |
| AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Padding(PaddingMode::RSA_OAEP))); |
| string result; |
| EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext, &result)); |
| EXPECT_EQ(0U, result.size()); |
| } |
| |
| /* |
| * EncryptionOperationsTest.RsaOaepTooLarge |
| * |
| * Verifies that RSA-OAEP encryption operations fail in the correct way when asked to encrypt a |
| * too-large message. |
| */ |
| TEST_F(EncryptionOperationsTest, RsaOaepTooLarge) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(2048, 65537) |
| .Padding(PaddingMode::RSA_OAEP) |
| .Digest(Digest::SHA_2_256))); |
| constexpr size_t digest_size = 256 /* SHA_2_256 */ / 8; |
| constexpr size_t oaep_overhead = 2 * digest_size + 2; |
| string message(2048 / 8 - oaep_overhead + 1, 'a'); |
| EXPECT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::ENCRYPT, |
| AuthorizationSetBuilder().Padding(PaddingMode::RSA_OAEP).Digest(Digest::SHA_2_256))); |
| string result; |
| EXPECT_EQ(ErrorCode::INVALID_ARGUMENT, Finish(message, &result)); |
| EXPECT_EQ(0U, result.size()); |
| } |
| |
| /* |
| * EncryptionOperationsTest.RsaPkcs1Success |
| * |
| * Verifies that RSA PKCS encryption/decrypts works. |
| */ |
| TEST_F(EncryptionOperationsTest, RsaPkcs1Success) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(2048, 65537) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_ENCRYPT))); |
| |
| string message = "Hello World!"; |
| auto params = AuthorizationSetBuilder().Padding(PaddingMode::RSA_PKCS1_1_5_ENCRYPT); |
| string ciphertext1 = EncryptMessage(message, params); |
| EXPECT_EQ(2048U / 8, ciphertext1.size()); |
| |
| string ciphertext2 = EncryptMessage(message, params); |
| EXPECT_EQ(2048U / 8, ciphertext2.size()); |
| |
| // PKCS1 v1.5 randomizes padding so every result should be different. |
| EXPECT_NE(ciphertext1, ciphertext2); |
| |
| string plaintext = DecryptMessage(ciphertext1, params); |
| EXPECT_EQ(message, plaintext); |
| |
| // Decrypting corrupted ciphertext should fail. |
| size_t offset_to_corrupt = random() % ciphertext1.size(); |
| char corrupt_byte; |
| do { |
| corrupt_byte = static_cast<char>(random() % 256); |
| } while (corrupt_byte == ciphertext1[offset_to_corrupt]); |
| ciphertext1[offset_to_corrupt] = corrupt_byte; |
| |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params)); |
| string result; |
| EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext1, &result)); |
| EXPECT_EQ(0U, result.size()); |
| } |
| |
| /* |
| * EncryptionOperationsTest.RsaPkcs1TooLarge |
| * |
| * Verifies that RSA PKCS encryption fails in the correct way when the mssage is too large. |
| */ |
| TEST_F(EncryptionOperationsTest, RsaPkcs1TooLarge) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaEncryptionKey(2048, 65537) |
| .Padding(PaddingMode::RSA_PKCS1_1_5_ENCRYPT))); |
| string message(2048 / 8 - 10, 'a'); |
| |
| auto params = AuthorizationSetBuilder().Padding(PaddingMode::RSA_PKCS1_1_5_ENCRYPT); |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params)); |
| string result; |
| EXPECT_EQ(ErrorCode::INVALID_ARGUMENT, Finish(message, &result)); |
| EXPECT_EQ(0U, result.size()); |
| } |
| |
| /* |
| * EncryptionOperationsTest.EcdsaEncrypt |
| * |
| * Verifies that attempting to use ECDSA keys to encrypt fails in the correct way. |
| */ |
| TEST_F(EncryptionOperationsTest, EcdsaEncrypt) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(256) |
| .Digest(Digest::NONE))); |
| auto params = AuthorizationSetBuilder().Digest(Digest::NONE); |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_PURPOSE, Begin(KeyPurpose::ENCRYPT, params)); |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_PURPOSE, Begin(KeyPurpose::DECRYPT, params)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.HmacEncrypt |
| * |
| * Verifies that attempting to use HMAC keys to encrypt fails in the correct way. |
| */ |
| TEST_F(EncryptionOperationsTest, HmacEncrypt) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .HmacKey(128) |
| .Digest(Digest::SHA_2_256) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| auto params = AuthorizationSetBuilder() |
| .Digest(Digest::SHA_2_256) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 128); |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_PURPOSE, Begin(KeyPurpose::ENCRYPT, params)); |
| ASSERT_EQ(ErrorCode::UNSUPPORTED_PURPOSE, Begin(KeyPurpose::DECRYPT, params)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesEcbRoundTripSuccess |
| * |
| * Verifies that AES ECB mode works. |
| */ |
| TEST_F(EncryptionOperationsTest, AesEcbRoundTripSuccess) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::ECB) |
| .Padding(PaddingMode::NONE))); |
| |
| auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE); |
| |
| // Two-block message. |
| string message = "12345678901234567890123456789012"; |
| string ciphertext1 = EncryptMessage(message, params); |
| EXPECT_EQ(message.size(), ciphertext1.size()); |
| |
| string ciphertext2 = EncryptMessage(string(message), params); |
| EXPECT_EQ(message.size(), ciphertext2.size()); |
| |
| // ECB is deterministic. |
| EXPECT_EQ(ciphertext1, ciphertext2); |
| |
| string plaintext = DecryptMessage(ciphertext1, params); |
| EXPECT_EQ(message, plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesEcbRoundTripSuccess |
| * |
| * Verifies that AES encryption fails in the correct way when an unauthorized mode is specified. |
| */ |
| TEST_F(EncryptionOperationsTest, AesWrongMode) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::CBC) |
| .Padding(PaddingMode::NONE))); |
| // Two-block message. |
| string message = "12345678901234567890123456789012"; |
| EXPECT_EQ( |
| ErrorCode::INCOMPATIBLE_BLOCK_MODE, |
| Begin(KeyPurpose::ENCRYPT, |
| AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE))); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesEcbNoPaddingWrongInputSize |
| * |
| * Verifies that AES encryption fails in the correct way when provided an input that is not a |
| * multiple of the block size and no padding is specified. |
| */ |
| TEST_F(EncryptionOperationsTest, AesEcbNoPaddingWrongInputSize) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::ECB) |
| .Padding(PaddingMode::NONE))); |
| // Message is slightly shorter than two blocks. |
| string message(16 * 2 - 1, 'a'); |
| |
| auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE); |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params)); |
| string ciphertext; |
| EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, Finish(message, &ciphertext)); |
| EXPECT_EQ(0U, ciphertext.size()); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesEcbPkcs7Padding |
| * |
| * Verifies that AES PKCS7 padding works for any message length. |
| */ |
| TEST_F(EncryptionOperationsTest, AesEcbPkcs7Padding) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::ECB) |
| .Padding(PaddingMode::PKCS7))); |
| |
| auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7); |
| |
| // Try various message lengths; all should work. |
| for (size_t i = 0; i < 32; ++i) { |
| string message(i, 'a'); |
| string ciphertext = EncryptMessage(message, params); |
| EXPECT_EQ(i + 16 - (i % 16), ciphertext.size()); |
| string plaintext = DecryptMessage(ciphertext, params); |
| EXPECT_EQ(message, plaintext); |
| } |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesEcbWrongPadding |
| * |
| * Verifies that AES enryption fails in the correct way when an unauthorized padding mode is |
| * specified. |
| */ |
| TEST_F(EncryptionOperationsTest, AesEcbWrongPadding) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::ECB) |
| .Padding(PaddingMode::NONE))); |
| |
| auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7); |
| |
| // Try various message lengths; all should fail |
| for (size_t i = 0; i < 32; ++i) { |
| string message(i, 'a'); |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, Begin(KeyPurpose::ENCRYPT, params)); |
| } |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesEcbPkcs7PaddingCorrupted |
| * |
| * Verifies that AES decryption fails in the correct way when the padding is corrupted. |
| */ |
| TEST_F(EncryptionOperationsTest, AesEcbPkcs7PaddingCorrupted) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::ECB) |
| .Padding(PaddingMode::PKCS7))); |
| |
| auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7); |
| |
| string message = "a"; |
| string ciphertext = EncryptMessage(message, params); |
| EXPECT_EQ(16U, ciphertext.size()); |
| EXPECT_NE(ciphertext, message); |
| ++ciphertext[ciphertext.size() / 2]; |
| |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params)); |
| string plaintext; |
| EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, Finish(message, &plaintext)); |
| } |
| |
| HidlBuf CopyIv(const AuthorizationSet& set) { |
| auto iv = set.GetTagValue(TAG_NONCE); |
| EXPECT_TRUE(iv.isOk()); |
| return iv.value(); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesCtrRoundTripSuccess |
| * |
| * Verifies that AES CTR mode works. |
| */ |
| TEST_F(EncryptionOperationsTest, AesCtrRoundTripSuccess) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::CTR) |
| .Padding(PaddingMode::NONE))); |
| |
| auto params = AuthorizationSetBuilder().BlockMode(BlockMode::CTR).Padding(PaddingMode::NONE); |
| |
| string message = "123"; |
| AuthorizationSet out_params; |
| string ciphertext1 = EncryptMessage(message, params, &out_params); |
| HidlBuf iv1 = CopyIv(out_params); |
| EXPECT_EQ(16U, iv1.size()); |
| |
| EXPECT_EQ(message.size(), ciphertext1.size()); |
| |
| out_params.Clear(); |
| string ciphertext2 = EncryptMessage(message, params, &out_params); |
| HidlBuf iv2 = CopyIv(out_params); |
| EXPECT_EQ(16U, iv2.size()); |
| |
| // IVs should be random, so ciphertexts should differ. |
| EXPECT_NE(ciphertext1, ciphertext2); |
| |
| auto params_iv1 = |
| AuthorizationSetBuilder().Authorizations(params).Authorization(TAG_NONCE, iv1); |
| auto params_iv2 = |
| AuthorizationSetBuilder().Authorizations(params).Authorization(TAG_NONCE, iv2); |
| |
| string plaintext = DecryptMessage(ciphertext1, params_iv1); |
| EXPECT_EQ(message, plaintext); |
| plaintext = DecryptMessage(ciphertext2, params_iv2); |
| EXPECT_EQ(message, plaintext); |
| |
| // Using the wrong IV will result in a "valid" decryption, but the data will be garbage. |
| plaintext = DecryptMessage(ciphertext1, params_iv2); |
| EXPECT_NE(message, plaintext); |
| plaintext = DecryptMessage(ciphertext2, params_iv1); |
| EXPECT_NE(message, plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesIncremental |
| * |
| * Verifies that AES works, all modes, when provided data in various size increments. |
| */ |
| TEST_F(EncryptionOperationsTest, AesIncremental) { |
| auto block_modes = { |
| BlockMode::ECB, BlockMode::CBC, BlockMode::CTR, BlockMode::GCM, |
| }; |
| |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .BlockMode(block_modes) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| |
| for (int increment = 1; increment <= 240; ++increment) { |
| for (auto block_mode : block_modes) { |
| string message(240, 'a'); |
| auto params = AuthorizationSetBuilder() |
| .BlockMode(block_mode) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 128) /* for GCM */; |
| |
| AuthorizationSet output_params; |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params, &output_params)); |
| |
| string ciphertext; |
| size_t input_consumed; |
| string to_send; |
| for (size_t i = 0; i < message.size(); i += increment) { |
| to_send.append(message.substr(i, increment)); |
| EXPECT_EQ(ErrorCode::OK, Update(to_send, &ciphertext, &input_consumed)); |
| EXPECT_EQ(to_send.length(), input_consumed); |
| to_send = to_send.substr(input_consumed); |
| EXPECT_EQ(0U, to_send.length()); |
| |
| switch (block_mode) { |
| case BlockMode::ECB: |
| case BlockMode::CBC: |
| // Implementations must take as many blocks as possible, leaving less than |
| // a block. |
| EXPECT_LE(to_send.length(), 16U); |
| break; |
| case BlockMode::GCM: |
| case BlockMode::CTR: |
| // Implementations must always take all the data. |
| EXPECT_EQ(0U, to_send.length()); |
| break; |
| } |
| } |
| EXPECT_EQ(ErrorCode::OK, Finish(to_send, &ciphertext)) << "Error sending " << to_send; |
| |
| switch (block_mode) { |
| case BlockMode::GCM: |
| EXPECT_EQ(message.size() + 16, ciphertext.size()); |
| break; |
| case BlockMode::CTR: |
| EXPECT_EQ(message.size(), ciphertext.size()); |
| break; |
| case BlockMode::CBC: |
| case BlockMode::ECB: |
| EXPECT_EQ(message.size() + message.size() % 16, ciphertext.size()); |
| break; |
| } |
| |
| auto iv = output_params.GetTagValue(TAG_NONCE); |
| switch (block_mode) { |
| case BlockMode::CBC: |
| case BlockMode::GCM: |
| case BlockMode::CTR: |
| ASSERT_TRUE(iv.isOk()) << "No IV for block mode " << block_mode; |
| EXPECT_EQ(block_mode == BlockMode::GCM ? 12U : 16U, iv.value().size()); |
| params.push_back(TAG_NONCE, iv.value()); |
| break; |
| |
| case BlockMode::ECB: |
| EXPECT_FALSE(iv.isOk()) << "ECB mode should not generate IV"; |
| break; |
| } |
| |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params)) |
| << "Decrypt begin() failed for block mode " << block_mode; |
| |
| string plaintext; |
| for (size_t i = 0; i < ciphertext.size(); i += increment) { |
| to_send.append(ciphertext.substr(i, increment)); |
| EXPECT_EQ(ErrorCode::OK, Update(to_send, &plaintext, &input_consumed)); |
| to_send = to_send.substr(input_consumed); |
| } |
| ErrorCode error = Finish(to_send, &plaintext); |
| ASSERT_EQ(ErrorCode::OK, error) << "Decryption failed for block mode " << block_mode |
| << " and increment " << increment; |
| if (error == ErrorCode::OK) { |
| ASSERT_EQ(message, plaintext) << "Decryption didn't match for block mode " |
| << block_mode << " and increment " << increment; |
| } |
| } |
| } |
| } |
| |
| struct AesCtrSp80038aTestVector { |
| const char* key; |
| const char* nonce; |
| const char* plaintext; |
| const char* ciphertext; |
| }; |
| |
| // These test vectors are taken from |
| // http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf, section F.5. |
| static const AesCtrSp80038aTestVector kAesCtrSp80038aTestVectors[] = { |
| // AES-128 |
| { |
| "2b7e151628aed2a6abf7158809cf4f3c", "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff", |
| "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51" |
| "30c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710", |
| "874d6191b620e3261bef6864990db6ce9806f66b7970fdff8617187bb9fffdff" |
| "5ae4df3edbd5d35e5b4f09020db03eab1e031dda2fbe03d1792170a0f3009cee", |
| }, |
| // AES-192 |
| { |
| "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b", "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff", |
| "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51" |
| "30c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710", |
| "1abc932417521ca24f2b0459fe7e6e0b090339ec0aa6faefd5ccc2c6f4ce8e94" |
| "1e36b26bd1ebc670d1bd1d665620abf74f78a7f6d29809585a97daec58c6b050", |
| }, |
| // AES-256 |
| { |
| "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4", |
| "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff", |
| "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51" |
| "30c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710", |
| "601ec313775789a5b7a7f504bbf3d228f443e3ca4d62b59aca84e990cacaf5c5" |
| "2b0930daa23de94ce87017ba2d84988ddfc9c58db67aada613c2dd08457941a6", |
| }, |
| }; |
| |
| /* |
| * EncryptionOperationsTest.AesCtrSp80038aTestVector |
| * |
| * Verifies AES CTR implementation against SP800-38A test vectors. |
| */ |
| TEST_F(EncryptionOperationsTest, AesCtrSp80038aTestVector) { |
| std::vector<uint32_t> InvalidSizes = InvalidKeySizes(Algorithm::AES); |
| for (size_t i = 0; i < 3; i++) { |
| const AesCtrSp80038aTestVector& test(kAesCtrSp80038aTestVectors[i]); |
| const string key = hex2str(test.key); |
| if (std::find(InvalidSizes.begin(), InvalidSizes.end(), (key.size() * 8)) != |
| InvalidSizes.end()) |
| continue; |
| const string nonce = hex2str(test.nonce); |
| const string plaintext = hex2str(test.plaintext); |
| const string ciphertext = hex2str(test.ciphertext); |
| CheckAesCtrTestVector(key, nonce, plaintext, ciphertext); |
| } |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesCtrIncompatiblePaddingMode |
| * |
| * Verifies that keymaster rejects use of CTR mode with PKCS7 padding in the correct way. |
| */ |
| TEST_F(EncryptionOperationsTest, AesCtrIncompatiblePaddingMode) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::CTR) |
| .Padding(PaddingMode::PKCS7))); |
| auto params = AuthorizationSetBuilder().BlockMode(BlockMode::CTR).Padding(PaddingMode::NONE); |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, Begin(KeyPurpose::ENCRYPT, params)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesCtrInvalidCallerNonce |
| * |
| * Verifies that keymaster fails correctly when the user supplies an incorrect-size nonce. |
| */ |
| TEST_F(EncryptionOperationsTest, AesCtrInvalidCallerNonce) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::CTR) |
| .Authorization(TAG_CALLER_NONCE) |
| .Padding(PaddingMode::NONE))); |
| |
| auto params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::CTR) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NONCE, HidlBuf(string(1, 'a'))); |
| EXPECT_EQ(ErrorCode::INVALID_NONCE, Begin(KeyPurpose::ENCRYPT, params)); |
| |
| params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::CTR) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NONCE, HidlBuf(string(15, 'a'))); |
| EXPECT_EQ(ErrorCode::INVALID_NONCE, Begin(KeyPurpose::ENCRYPT, params)); |
| |
| params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::CTR) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NONCE, HidlBuf(string(17, 'a'))); |
| EXPECT_EQ(ErrorCode::INVALID_NONCE, Begin(KeyPurpose::ENCRYPT, params)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesCtrInvalidCallerNonce |
| * |
| * Verifies that keymaster fails correctly when the user supplies an incorrect-size nonce. |
| */ |
| TEST_F(EncryptionOperationsTest, AesCbcRoundTripSuccess) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::CBC) |
| .Padding(PaddingMode::NONE))); |
| // Two-block message. |
| string message = "12345678901234567890123456789012"; |
| auto params = AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE); |
| AuthorizationSet out_params; |
| string ciphertext1 = EncryptMessage(message, params, &out_params); |
| HidlBuf iv1 = CopyIv(out_params); |
| EXPECT_EQ(message.size(), ciphertext1.size()); |
| |
| out_params.Clear(); |
| |
| string ciphertext2 = EncryptMessage(message, params, &out_params); |
| HidlBuf iv2 = CopyIv(out_params); |
| EXPECT_EQ(message.size(), ciphertext2.size()); |
| |
| // IVs should be random, so ciphertexts should differ. |
| EXPECT_NE(ciphertext1, ciphertext2); |
| |
| params.push_back(TAG_NONCE, iv1); |
| string plaintext = DecryptMessage(ciphertext1, params); |
| EXPECT_EQ(message, plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesCallerNonce |
| * |
| * Verifies that AES caller-provided nonces work correctly. |
| */ |
| TEST_F(EncryptionOperationsTest, AesCallerNonce) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::CBC) |
| .Authorization(TAG_CALLER_NONCE) |
| .Padding(PaddingMode::NONE))); |
| |
| string message = "12345678901234567890123456789012"; |
| |
| // Don't specify nonce, should get a random one. |
| AuthorizationSetBuilder params = |
| AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE); |
| AuthorizationSet out_params; |
| string ciphertext = EncryptMessage(message, params, &out_params); |
| EXPECT_EQ(message.size(), ciphertext.size()); |
| EXPECT_EQ(16U, out_params.GetTagValue(TAG_NONCE).value().size()); |
| |
| params.push_back(TAG_NONCE, out_params.GetTagValue(TAG_NONCE).value()); |
| string plaintext = DecryptMessage(ciphertext, params); |
| EXPECT_EQ(message, plaintext); |
| |
| // Now specify a nonce, should also work. |
| params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::CBC) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NONCE, HidlBuf("abcdefghijklmnop")); |
| out_params.Clear(); |
| ciphertext = EncryptMessage(message, params, &out_params); |
| |
| // Decrypt with correct nonce. |
| plaintext = DecryptMessage(ciphertext, params); |
| EXPECT_EQ(message, plaintext); |
| |
| // Try with wrong nonce. |
| params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::CBC) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NONCE, HidlBuf("aaaaaaaaaaaaaaaa")); |
| plaintext = DecryptMessage(ciphertext, params); |
| EXPECT_NE(message, plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesCallerNonceProhibited |
| * |
| * Verifies that caller-provided nonces are not permitted when not specified in the key |
| * authorizations. |
| */ |
| TEST_F(EncryptionOperationsTest, AesCallerNonceProhibited) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::CBC) |
| .Padding(PaddingMode::NONE))); |
| |
| string message = "12345678901234567890123456789012"; |
| |
| // Don't specify nonce, should get a random one. |
| AuthorizationSetBuilder params = |
| AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE); |
| AuthorizationSet out_params; |
| string ciphertext = EncryptMessage(message, params, &out_params); |
| EXPECT_EQ(message.size(), ciphertext.size()); |
| EXPECT_EQ(16U, out_params.GetTagValue(TAG_NONCE).value().size()); |
| |
| params.push_back(TAG_NONCE, out_params.GetTagValue(TAG_NONCE).value()); |
| string plaintext = DecryptMessage(ciphertext, params); |
| EXPECT_EQ(message, plaintext); |
| |
| // Now specify a nonce, should fail |
| params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::CBC) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NONCE, HidlBuf("abcdefghijklmnop")); |
| out_params.Clear(); |
| EXPECT_EQ(ErrorCode::CALLER_NONCE_PROHIBITED, Begin(KeyPurpose::ENCRYPT, params, &out_params)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesGcmRoundTripSuccess |
| * |
| * Verifies that AES GCM mode works. |
| */ |
| TEST_F(EncryptionOperationsTest, AesGcmRoundTripSuccess) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .Authorization(TAG_BLOCK_MODE, BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| |
| string aad = "foobar"; |
| string message = "123456789012345678901234567890123456"; |
| |
| auto begin_params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 128); |
| |
| auto update_params = |
| AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, aad.data(), aad.size()); |
| |
| // Encrypt |
| AuthorizationSet begin_out_params; |
| ASSERT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params)) |
| << "Begin encrypt"; |
| string ciphertext; |
| AuthorizationSet update_out_params; |
| ASSERT_EQ(ErrorCode::OK, |
| Finish(op_handle_, update_params, message, "", &update_out_params, &ciphertext)); |
| |
| ASSERT_EQ(ciphertext.length(), message.length() + 16); |
| |
| // Grab nonce |
| begin_params.push_back(begin_out_params); |
| |
| // Decrypt. |
| ASSERT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params)) << "Begin decrypt"; |
| string plaintext; |
| size_t input_consumed; |
| ASSERT_EQ(ErrorCode::OK, Update(op_handle_, update_params, ciphertext, &update_out_params, |
| &plaintext, &input_consumed)); |
| EXPECT_EQ(ciphertext.size(), input_consumed); |
| EXPECT_EQ(ErrorCode::OK, Finish("", &plaintext)); |
| EXPECT_EQ(message.length(), plaintext.length()); |
| EXPECT_EQ(message, plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesGcmTooShortTag |
| * |
| * Verifies that AES GCM mode fails correctly when a too-short tag length is specified. |
| */ |
| TEST_F(EncryptionOperationsTest, AesGcmTooShortTag) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| string message = "123456789012345678901234567890123456"; |
| auto params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 96); |
| |
| EXPECT_EQ(ErrorCode::INVALID_MAC_LENGTH, Begin(KeyPurpose::ENCRYPT, params)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesGcmTooShortTagOnDecrypt |
| * |
| * Verifies that AES GCM mode fails correctly when a too-short tag is provided to decryption. |
| */ |
| TEST_F(EncryptionOperationsTest, AesGcmTooShortTagOnDecrypt) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| string aad = "foobar"; |
| string message = "123456789012345678901234567890123456"; |
| auto params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 128); |
| |
| auto finish_params = |
| AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, aad.data(), aad.size()); |
| |
| // Encrypt |
| AuthorizationSet begin_out_params; |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params, &begin_out_params)); |
| EXPECT_EQ(1U, begin_out_params.size()); |
| ASSERT_TRUE(begin_out_params.GetTagValue(TAG_NONCE).isOk()); |
| |
| AuthorizationSet finish_out_params; |
| string ciphertext; |
| EXPECT_EQ(ErrorCode::OK, Finish(op_handle_, finish_params, message, "" /* signature */, |
| &finish_out_params, &ciphertext)); |
| |
| params = AuthorizationSetBuilder() |
| .Authorizations(begin_out_params) |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 96); |
| |
| // Decrypt. |
| EXPECT_EQ(ErrorCode::INVALID_MAC_LENGTH, Begin(KeyPurpose::DECRYPT, params)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesGcmCorruptKey |
| * |
| * Verifies that AES GCM mode fails correctly when the decryption key is incorrect. |
| */ |
| TEST_F(EncryptionOperationsTest, AesGcmCorruptKey) { |
| const uint8_t nonce_bytes[] = { |
| 0xb7, 0x94, 0x37, 0xae, 0x08, 0xff, 0x35, 0x5d, 0x7d, 0x8a, 0x4d, 0x0f, |
| }; |
| string nonce = make_string(nonce_bytes); |
| const uint8_t ciphertext_bytes[] = { |
| 0xb3, 0xf6, 0x79, 0x9e, 0x8f, 0x93, 0x26, 0xf2, 0xdf, 0x1e, 0x80, 0xfc, 0xd2, 0xcb, 0x16, |
| 0xd7, 0x8c, 0x9d, 0xc7, 0xcc, 0x14, 0xbb, 0x67, 0x78, 0x62, 0xdc, 0x6c, 0x63, 0x9b, 0x3a, |
| 0x63, 0x38, 0xd2, 0x4b, 0x31, 0x2d, 0x39, 0x89, 0xe5, 0x92, 0x0b, 0x5d, 0xbf, 0xc9, 0x76, |
| 0x76, 0x5e, 0xfb, 0xfe, 0x57, 0xbb, 0x38, 0x59, 0x40, 0xa7, 0xa4, 0x3b, 0xdf, 0x05, 0xbd, |
| 0xda, 0xe3, 0xc9, 0xd6, 0xa2, 0xfb, 0xbd, 0xfc, 0xc0, 0xcb, 0xa0, |
| }; |
| string ciphertext = make_string(ciphertext_bytes); |
| |
| auto params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 128) |
| .Authorization(TAG_NONCE, nonce.data(), nonce.size()); |
| |
| auto import_params = AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_CALLER_NONCE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128); |
| |
| // Import correct key and decrypt |
| const uint8_t key_bytes[] = { |
| 0xba, 0x76, 0x35, 0x4f, 0x0a, 0xed, 0x6e, 0x8d, |
| 0x91, 0xf4, 0x5c, 0x4f, 0xf5, 0xa0, 0x62, 0xdb, |
| }; |
| string key = make_string(key_bytes); |
| ASSERT_EQ(ErrorCode::OK, ImportKey(import_params, KeyFormat::RAW, key)); |
| string plaintext = DecryptMessage(ciphertext, params); |
| CheckedDeleteKey(); |
| |
| // Corrupt key and attempt to decrypt |
| key[0] = 0; |
| ASSERT_EQ(ErrorCode::OK, ImportKey(import_params, KeyFormat::RAW, key)); |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params)); |
| EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(ciphertext, &plaintext)); |
| CheckedDeleteKey(); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesGcmAadNoData |
| * |
| * Verifies that AES GCM mode works when provided additional authenticated data, but no data to |
| * encrypt. |
| */ |
| TEST_F(EncryptionOperationsTest, AesGcmAadNoData) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| |
| string aad = "1234567890123456"; |
| auto params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 128); |
| |
| auto finish_params = |
| AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, aad.data(), aad.size()); |
| |
| // Encrypt |
| AuthorizationSet begin_out_params; |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params, &begin_out_params)); |
| string ciphertext; |
| AuthorizationSet finish_out_params; |
| EXPECT_EQ(ErrorCode::OK, Finish(op_handle_, finish_params, "" /* input */, "" /* signature */, |
| &finish_out_params, &ciphertext)); |
| EXPECT_TRUE(finish_out_params.empty()); |
| |
| // Grab nonce |
| params.push_back(begin_out_params); |
| |
| // Decrypt. |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params)); |
| string plaintext; |
| EXPECT_EQ(ErrorCode::OK, Finish(op_handle_, finish_params, ciphertext, "" /* signature */, |
| &finish_out_params, &plaintext)); |
| |
| EXPECT_TRUE(finish_out_params.empty()); |
| |
| EXPECT_EQ("", plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesGcmMultiPartAad |
| * |
| * Verifies that AES GCM mode works when provided additional authenticated data in multiple chunks. |
| */ |
| TEST_F(EncryptionOperationsTest, AesGcmMultiPartAad) { |
| const size_t tag_bits = 128; |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| |
| string message = "123456789012345678901234567890123456"; |
| auto begin_params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, tag_bits); |
| AuthorizationSet begin_out_params; |
| |
| auto update_params = |
| AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, "foo", (size_t)3); |
| |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params)); |
| |
| // No data, AAD only. |
| string ciphertext; |
| size_t input_consumed; |
| AuthorizationSet update_out_params; |
| EXPECT_EQ(ErrorCode::OK, Update(op_handle_, update_params, "" /* input */, &update_out_params, |
| &ciphertext, &input_consumed)); |
| EXPECT_EQ(0U, input_consumed); |
| EXPECT_EQ(0U, ciphertext.size()); |
| EXPECT_TRUE(update_out_params.empty()); |
| |
| // AAD and data. |
| EXPECT_EQ(ErrorCode::OK, Update(op_handle_, update_params, message, &update_out_params, |
| &ciphertext, &input_consumed)); |
| EXPECT_EQ(message.size(), input_consumed); |
| EXPECT_TRUE(update_out_params.empty()); |
| |
| EXPECT_EQ(ErrorCode::OK, Finish("" /* input */, &ciphertext)); |
| // Expect 128-bit (16-byte) tag appended to ciphertext. |
| EXPECT_EQ(message.size() + (tag_bits >> 3), ciphertext.size()); |
| |
| // Grab nonce. |
| begin_params.push_back(begin_out_params); |
| |
| // Decrypt |
| update_params = |
| AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, "foofoo", (size_t)6); |
| |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params)); |
| string plaintext; |
| EXPECT_EQ(ErrorCode::OK, Finish(op_handle_, update_params, ciphertext, "" /* signature */, |
| &update_out_params, &plaintext)); |
| EXPECT_TRUE(update_out_params.empty()); |
| EXPECT_EQ(message, plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesGcmAadOutOfOrder |
| * |
| * Verifies that AES GCM mode fails correctly when given AAD after data to encipher. |
| */ |
| TEST_F(EncryptionOperationsTest, AesGcmAadOutOfOrder) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| |
| string message = "123456789012345678901234567890123456"; |
| auto begin_params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 128); |
| AuthorizationSet begin_out_params; |
| |
| auto update_params = |
| AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, "foo", (size_t)3); |
| |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params)); |
| |
| // No data, AAD only. |
| string ciphertext; |
| size_t input_consumed; |
| AuthorizationSet update_out_params; |
| EXPECT_EQ(ErrorCode::OK, Update(op_handle_, update_params, "" /* input */, &update_out_params, |
| &ciphertext, &input_consumed)); |
| EXPECT_EQ(0U, input_consumed); |
| EXPECT_EQ(0U, ciphertext.size()); |
| EXPECT_TRUE(update_out_params.empty()); |
| |
| // AAD and data. |
| EXPECT_EQ(ErrorCode::OK, Update(op_handle_, update_params, message, &update_out_params, |
| &ciphertext, &input_consumed)); |
| EXPECT_EQ(message.size(), input_consumed); |
| EXPECT_TRUE(update_out_params.empty()); |
| |
| // More AAD |
| EXPECT_EQ(ErrorCode::INVALID_TAG, Update(op_handle_, update_params, "", &update_out_params, |
| &ciphertext, &input_consumed)); |
| |
| op_handle_ = kOpHandleSentinel; |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesGcmBadAad |
| * |
| * Verifies that AES GCM decryption fails correctly when additional authenticated date is wrong. |
| */ |
| TEST_F(EncryptionOperationsTest, AesGcmBadAad) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| |
| string message = "12345678901234567890123456789012"; |
| auto begin_params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 128); |
| |
| auto finish_params = |
| AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, "foobar", (size_t)6); |
| |
| // Encrypt |
| AuthorizationSet begin_out_params; |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params)); |
| string ciphertext; |
| AuthorizationSet finish_out_params; |
| EXPECT_EQ(ErrorCode::OK, Finish(op_handle_, finish_params, message, "" /* signature */, |
| &finish_out_params, &ciphertext)); |
| |
| // Grab nonce |
| begin_params.push_back(begin_out_params); |
| |
| finish_params = AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, |
| "barfoo" /* Wrong AAD */, (size_t)6); |
| |
| // Decrypt. |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params, &begin_out_params)); |
| string plaintext; |
| EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, |
| Finish(op_handle_, finish_params, ciphertext, "" /* signature */, &finish_out_params, |
| &plaintext)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesGcmWrongNonce |
| * |
| * Verifies that AES GCM decryption fails correctly when the nonce is incorrect. |
| */ |
| TEST_F(EncryptionOperationsTest, AesGcmWrongNonce) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| |
| string message = "12345678901234567890123456789012"; |
| auto begin_params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 128); |
| |
| auto finish_params = |
| AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, "foobar", (size_t)6); |
| |
| // Encrypt |
| AuthorizationSet begin_out_params; |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params)); |
| string ciphertext; |
| AuthorizationSet finish_out_params; |
| EXPECT_EQ(ErrorCode::OK, Finish(op_handle_, finish_params, message, "" /* signature */, |
| &finish_out_params, &ciphertext)); |
| |
| // Wrong nonce |
| begin_params.push_back(TAG_NONCE, HidlBuf("123456789012")); |
| |
| // Decrypt. |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params, &begin_out_params)); |
| string plaintext; |
| EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, |
| Finish(op_handle_, finish_params, ciphertext, "" /* signature */, &finish_out_params, |
| &plaintext)); |
| |
| // With wrong nonce, should have gotten garbage plaintext (or none). |
| EXPECT_NE(message, plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest.AesGcmCorruptTag |
| * |
| * Verifies that AES GCM decryption fails correctly when the tag is wrong. |
| */ |
| TEST_F(EncryptionOperationsTest, AesGcmCorruptTag) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| |
| string aad = "1234567890123456"; |
| string message = "123456789012345678901234567890123456"; |
| |
| auto params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::GCM) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAC_LENGTH, 128); |
| |
| auto finish_params = |
| AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, aad.data(), aad.size()); |
| |
| // Encrypt |
| AuthorizationSet begin_out_params; |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params, &begin_out_params)); |
| string ciphertext; |
| AuthorizationSet finish_out_params; |
| EXPECT_EQ(ErrorCode::OK, Finish(op_handle_, finish_params, message, "" /* signature */, |
| &finish_out_params, &ciphertext)); |
| EXPECT_TRUE(finish_out_params.empty()); |
| |
| // Corrupt tag |
| ++(*ciphertext.rbegin()); |
| |
| // Grab nonce |
| params.push_back(begin_out_params); |
| |
| // Decrypt. |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params)); |
| string plaintext; |
| EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, |
| Finish(op_handle_, finish_params, ciphertext, "" /* signature */, &finish_out_params, |
| &plaintext)); |
| EXPECT_TRUE(finish_out_params.empty()); |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesEcbRoundTripSuccess |
| * |
| * Verifies that 3DES is basically functional. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesEcbRoundTripSuccess) { |
| auto auths = AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::ECB) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE); |
| |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(auths)); |
| // Two-block message. |
| string message = "1234567890123456"; |
| auto inParams = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE); |
| string ciphertext1 = EncryptMessage(message, inParams); |
| EXPECT_EQ(message.size(), ciphertext1.size()); |
| |
| string ciphertext2 = EncryptMessage(string(message), inParams); |
| EXPECT_EQ(message.size(), ciphertext2.size()); |
| |
| // ECB is deterministic. |
| EXPECT_EQ(ciphertext1, ciphertext2); |
| |
| string plaintext = DecryptMessage(ciphertext1, inParams); |
| EXPECT_EQ(message, plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesEcbNotAuthorized |
| * |
| * Verifies that CBC keys reject ECB usage. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesEcbNotAuthorized) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::CBC) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE))); |
| |
| auto inParams = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE); |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_BLOCK_MODE, Begin(KeyPurpose::ENCRYPT, inParams)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesEcbPkcs7Padding |
| * |
| * Tests ECB mode with PKCS#7 padding, various message sizes. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesEcbPkcs7Padding) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::ECB) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::PKCS7))); |
| |
| for (size_t i = 0; i < 32; ++i) { |
| string message(i, 'a'); |
| auto inParams = |
| AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7); |
| string ciphertext = EncryptMessage(message, inParams); |
| EXPECT_EQ(i + 8 - (i % 8), ciphertext.size()); |
| string plaintext = DecryptMessage(ciphertext, inParams); |
| EXPECT_EQ(message, plaintext); |
| } |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesEcbNoPaddingKeyWithPkcs7Padding |
| * |
| * Verifies that keys configured for no padding reject PKCS7 padding |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesEcbNoPaddingKeyWithPkcs7Padding) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::ECB) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE))); |
| for (size_t i = 0; i < 32; ++i) { |
| auto inParams = |
| AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7); |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, Begin(KeyPurpose::ENCRYPT, inParams)); |
| } |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesEcbPkcs7PaddingCorrupted |
| * |
| * Verifies that corrupted padding is detected. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesEcbPkcs7PaddingCorrupted) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::ECB) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::PKCS7))); |
| |
| string message = "a"; |
| string ciphertext = EncryptMessage(message, BlockMode::ECB, PaddingMode::PKCS7); |
| EXPECT_EQ(8U, ciphertext.size()); |
| EXPECT_NE(ciphertext, message); |
| ++ciphertext[ciphertext.size() / 2]; |
| |
| AuthorizationSetBuilder begin_params; |
| begin_params.push_back(TAG_BLOCK_MODE, BlockMode::ECB); |
| begin_params.push_back(TAG_PADDING, PaddingMode::PKCS7); |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params)); |
| string plaintext; |
| size_t input_consumed; |
| EXPECT_EQ(ErrorCode::OK, Update(ciphertext, &plaintext, &input_consumed)); |
| EXPECT_EQ(ciphertext.size(), input_consumed); |
| EXPECT_EQ(ErrorCode::INVALID_ARGUMENT, Finish(&plaintext)); |
| } |
| |
| struct TripleDesTestVector { |
| const char* name; |
| const KeyPurpose purpose; |
| const BlockMode block_mode; |
| const PaddingMode padding_mode; |
| const char* key; |
| const char* iv; |
| const char* input; |
| const char* output; |
| }; |
| |
| // These test vectors are from NIST CAVP, plus a few custom variants to test padding, since all of |
| // the NIST vectors are multiples of the block size. |
| static const TripleDesTestVector kTripleDesTestVectors[] = { |
| { |
| "TECBMMT3 Encrypt 0", KeyPurpose::ENCRYPT, BlockMode::ECB, PaddingMode::NONE, |
| "a2b5bc67da13dc92cd9d344aa238544a0e1fa79ef76810cd", // key |
| "", // IV |
| "329d86bdf1bc5af4", // input |
| "d946c2756d78633f", // output |
| }, |
| { |
| "TECBMMT3 Encrypt 1", KeyPurpose::ENCRYPT, BlockMode::ECB, PaddingMode::NONE, |
| "49e692290d2a5e46bace79b9648a4c5d491004c262dc9d49", // key |
| "", // IV |
| "6b1540781b01ce1997adae102dbf3c5b", // input |
| "4d0dc182d6e481ac4a3dc6ab6976ccae", // output |
| }, |
| { |
| "TECBMMT3 Decrypt 0", KeyPurpose::DECRYPT, BlockMode::ECB, PaddingMode::NONE, |
| "52daec2ac7dc1958377392682f37860b2cc1ea2304bab0e9", // key |
| "", // IV |
| "6daad94ce08acfe7", // input |
| "660e7d32dcc90e79", // output |
| }, |
| { |
| "TECBMMT3 Decrypt 1", KeyPurpose::DECRYPT, BlockMode::ECB, PaddingMode::NONE, |
| "7f8fe3d3f4a48394fb682c2919926d6ddfce8932529229ce", // key |
| "", // IV |
| "e9653a0a1f05d31b9acd12d73aa9879d", // input |
| "9b2ae9d998efe62f1b592e7e1df8ff38", // output |
| }, |
| { |
| "TCBCMMT3 Encrypt 0", KeyPurpose::ENCRYPT, BlockMode::CBC, PaddingMode::NONE, |
| "b5cb1504802326c73df186e3e352a20de643b0d63ee30e37", // key |
| "43f791134c5647ba", // IV |
| "dcc153cef81d6f24", // input |
| "92538bd8af18d3ba", // output |
| }, |
| { |
| "TCBCMMT3 Encrypt 1", KeyPurpose::ENCRYPT, BlockMode::CBC, PaddingMode::NONE, |
| "a49d7564199e97cb529d2c9d97bf2f98d35edf57ba1f7358", // key |
| "c2e999cb6249023c", // IV |
| "c689aee38a301bb316da75db36f110b5", // input |
| "e9afaba5ec75ea1bbe65506655bb4ecb", // output |
| }, |
| { |
| "TCBCMMT3 Encrypt 1 PKCS7 variant", KeyPurpose::ENCRYPT, BlockMode::CBC, PaddingMode::PKCS7, |
| "a49d7564199e97cb529d2c9d97bf2f98d35edf57ba1f7358", // key |
| "c2e999cb6249023c", // IV |
| "c689aee38a301bb316da75db36f110b500", // input |
| "e9afaba5ec75ea1bbe65506655bb4ecb825aa27ec0656156", // output |
| }, |
| { |
| "TCBCMMT3 Encrypt 1 PKCS7 decrypted", KeyPurpose::DECRYPT, BlockMode::CBC, |
| PaddingMode::PKCS7, |
| "a49d7564199e97cb529d2c9d97bf2f98d35edf57ba1f7358", // key |
| "c2e999cb6249023c", // IV |
| "e9afaba5ec75ea1bbe65506655bb4ecb825aa27ec0656156", // input |
| "c689aee38a301bb316da75db36f110b500", // output |
| }, |
| { |
| "TCBCMMT3 Decrypt 0", KeyPurpose::DECRYPT, BlockMode::CBC, PaddingMode::NONE, |
| "5eb6040d46082c7aa7d06dfd08dfeac8c18364c1548c3ba1", // key |
| "41746c7e442d3681", // IV |
| "c53a7b0ec40600fe", // input |
| "d4f00eb455de1034", // output |
| }, |
| { |
| "TCBCMMT3 Decrypt 1", KeyPurpose::DECRYPT, BlockMode::CBC, PaddingMode::NONE, |
| "5b1cce7c0dc1ec49130dfb4af45785ab9179e567f2c7d549", // key |
| "3982bc02c3727d45", // IV |
| "6006f10adef52991fcc777a1238bbb65", // input |
| "edae09288e9e3bc05746d872b48e3b29", // output |
| }, |
| }; |
| |
| /* |
| * EncryptionOperationsTest.TripleDesTestVector |
| * |
| * Verifies that NIST (plus a few extra) test vectors produce the correct results. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesTestVector) { |
| constexpr size_t num_tests = sizeof(kTripleDesTestVectors) / sizeof(TripleDesTestVector); |
| for (auto* test = kTripleDesTestVectors; test < kTripleDesTestVectors + num_tests; ++test) { |
| SCOPED_TRACE(test->name); |
| CheckTripleDesTestVector(test->purpose, test->block_mode, test->padding_mode, |
| hex2str(test->key), hex2str(test->iv), hex2str(test->input), |
| hex2str(test->output)); |
| } |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesCbcRoundTripSuccess |
| * |
| * Validates CBC mode functionality. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesCbcRoundTripSuccess) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::CBC) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE))); |
| // Two-block message. |
| string message = "1234567890123456"; |
| HidlBuf iv1; |
| string ciphertext1 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, &iv1); |
| EXPECT_EQ(message.size(), ciphertext1.size()); |
| |
| HidlBuf iv2; |
| string ciphertext2 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, &iv2); |
| EXPECT_EQ(message.size(), ciphertext2.size()); |
| |
| // IVs should be random, so ciphertexts should differ. |
| EXPECT_NE(iv1, iv2); |
| EXPECT_NE(ciphertext1, ciphertext2); |
| |
| string plaintext = DecryptMessage(ciphertext1, BlockMode::CBC, PaddingMode::NONE, iv1); |
| EXPECT_EQ(message, plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesCallerIv |
| * |
| * Validates that 3DES keys can allow caller-specified IVs, and use them correctly. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesCallerIv) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::CBC) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Authorization(TAG_CALLER_NONCE) |
| .Padding(PaddingMode::NONE))); |
| string message = "1234567890123456"; |
| HidlBuf iv; |
| // Don't specify IV, should get a random one. |
| string ciphertext1 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, &iv); |
| EXPECT_EQ(message.size(), ciphertext1.size()); |
| EXPECT_EQ(8U, iv.size()); |
| |
| string plaintext = DecryptMessage(ciphertext1, BlockMode::CBC, PaddingMode::NONE, iv); |
| EXPECT_EQ(message, plaintext); |
| |
| // Now specify an IV, should also work. |
| iv = HidlBuf("abcdefgh"); |
| string ciphertext2 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, iv); |
| |
| // Decrypt with correct IV. |
| plaintext = DecryptMessage(ciphertext2, BlockMode::CBC, PaddingMode::NONE, iv); |
| EXPECT_EQ(message, plaintext); |
| |
| // Now try with wrong IV. |
| plaintext = DecryptMessage(ciphertext2, BlockMode::CBC, PaddingMode::NONE, HidlBuf("aaaaaaaa")); |
| EXPECT_NE(message, plaintext); |
| } |
| |
| /* |
| * EncryptionOperationsTest, TripleDesCallerNonceProhibited. |
| * |
| * Verifies that 3DES keys without TAG_CALLER_NONCE do not allow caller-specified IVS. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesCallerNonceProhibited) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::CBC) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE))); |
| |
| string message = "12345678901234567890123456789012"; |
| HidlBuf iv; |
| // Don't specify nonce, should get a random one. |
| string ciphertext1 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, &iv); |
| EXPECT_EQ(message.size(), ciphertext1.size()); |
| EXPECT_EQ(8U, iv.size()); |
| |
| string plaintext = DecryptMessage(ciphertext1, BlockMode::CBC, PaddingMode::NONE, iv); |
| EXPECT_EQ(message, plaintext); |
| |
| // Now specify a nonce, should fail. |
| auto input_params = AuthorizationSetBuilder() |
| .Authorization(TAG_NONCE, HidlBuf("abcdefgh")) |
| .BlockMode(BlockMode::CBC) |
| .Padding(PaddingMode::NONE); |
| AuthorizationSet output_params; |
| EXPECT_EQ(ErrorCode::CALLER_NONCE_PROHIBITED, |
| Begin(KeyPurpose::ENCRYPT, input_params, &output_params)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesCbcNotAuthorized |
| * |
| * Verifies that 3DES ECB-only keys do not allow CBC usage. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesCbcNotAuthorized) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::ECB) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE))); |
| // Two-block message. |
| string message = "1234567890123456"; |
| auto begin_params = |
| AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE); |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_BLOCK_MODE, Begin(KeyPurpose::ENCRYPT, begin_params)); |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesCbcNoPaddingWrongInputSize |
| * |
| * Verifies that unpadded CBC operations reject inputs that are not a multiple of block size. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesCbcNoPaddingWrongInputSize) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::CBC) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE))); |
| // Message is slightly shorter than two blocks. |
| string message = "123456789012345"; |
| |
| auto begin_params = |
| AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE); |
| AuthorizationSet output_params; |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &output_params)); |
| string ciphertext; |
| EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, Finish(message, "", &ciphertext)); |
| } |
| |
| /* |
| * EncryptionOperationsTest, TripleDesCbcPkcs7Padding. |
| * |
| * Verifies that PKCS7 padding works correctly in CBC mode. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesCbcPkcs7Padding) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::CBC) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::PKCS7))); |
| |
| // Try various message lengths; all should work. |
| for (size_t i = 0; i < 32; ++i) { |
| string message(i, 'a'); |
| HidlBuf iv; |
| string ciphertext = EncryptMessage(message, BlockMode::CBC, PaddingMode::PKCS7, &iv); |
| EXPECT_EQ(i + 8 - (i % 8), ciphertext.size()); |
| string plaintext = DecryptMessage(ciphertext, BlockMode::CBC, PaddingMode::PKCS7, iv); |
| EXPECT_EQ(message, plaintext); |
| } |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesCbcNoPaddingKeyWithPkcs7Padding |
| * |
| * Verifies that a key that requires PKCS7 padding cannot be used in unpadded mode. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesCbcNoPaddingKeyWithPkcs7Padding) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::CBC) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE))); |
| |
| // Try various message lengths; all should fail. |
| for (size_t i = 0; i < 32; ++i) { |
| auto begin_params = |
| AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::PKCS7); |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, Begin(KeyPurpose::ENCRYPT, begin_params)); |
| } |
| } |
| |
| /* |
| * EncryptionOperationsTest.TripleDesCbcPkcs7PaddingCorrupted |
| * |
| * Verifies that corrupted PKCS7 padding is rejected during decryption. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesCbcPkcs7PaddingCorrupted) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::CBC) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::PKCS7))); |
| |
| string message = "a"; |
| HidlBuf iv; |
| string ciphertext = EncryptMessage(message, BlockMode::CBC, PaddingMode::PKCS7, &iv); |
| EXPECT_EQ(8U, ciphertext.size()); |
| EXPECT_NE(ciphertext, message); |
| ++ciphertext[ciphertext.size() / 2]; |
| |
| auto begin_params = AuthorizationSetBuilder() |
| .BlockMode(BlockMode::CBC) |
| .Padding(PaddingMode::PKCS7) |
| .Authorization(TAG_NONCE, iv); |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params)); |
| string plaintext; |
| size_t input_consumed; |
| EXPECT_EQ(ErrorCode::OK, Update(ciphertext, &plaintext, &input_consumed)); |
| EXPECT_EQ(ciphertext.size(), input_consumed); |
| EXPECT_EQ(ErrorCode::INVALID_ARGUMENT, Finish(&plaintext)); |
| } |
| |
| /* |
| * EncryptionOperationsTest, TripleDesCbcIncrementalNoPadding. |
| * |
| * Verifies that 3DES CBC works with many different input sizes. |
| */ |
| TEST_F(EncryptionOperationsTest, TripleDesCbcIncrementalNoPadding) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .TripleDesEncryptionKey(168) |
| .BlockMode(BlockMode::CBC) |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .Padding(PaddingMode::NONE))); |
| |
| int increment = 7; |
| string message(240, 'a'); |
| AuthorizationSet input_params = |
| AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE); |
| AuthorizationSet output_params; |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, input_params, &output_params)); |
| |
| string ciphertext; |
| size_t input_consumed; |
| for (size_t i = 0; i < message.size(); i += increment) |
| EXPECT_EQ(ErrorCode::OK, |
| Update(message.substr(i, increment), &ciphertext, &input_consumed)); |
| EXPECT_EQ(ErrorCode::OK, Finish(&ciphertext)); |
| EXPECT_EQ(message.size(), ciphertext.size()); |
| |
| // Move TAG_NONCE into input_params |
| input_params = output_params; |
| input_params.push_back(TAG_BLOCK_MODE, BlockMode::CBC); |
| input_params.push_back(TAG_PADDING, PaddingMode::NONE); |
| output_params.Clear(); |
| |
| EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, input_params, &output_params)); |
| string plaintext; |
| for (size_t i = 0; i < ciphertext.size(); i += increment) |
| EXPECT_EQ(ErrorCode::OK, |
| Update(ciphertext.substr(i, increment), &plaintext, &input_consumed)); |
| EXPECT_EQ(ErrorCode::OK, Finish(&plaintext)); |
| EXPECT_EQ(ciphertext.size(), plaintext.size()); |
| EXPECT_EQ(message, plaintext); |
| } |
| |
| typedef KeymasterHidlTest MaxOperationsTest; |
| |
| /* |
| * MaxOperationsTest.TestLimitAes |
| * |
| * Verifies that the max uses per boot tag works correctly with AES keys. |
| */ |
| TEST_F(MaxOperationsTest, TestLimitAes) { |
| if (SecLevel() == SecurityLevel::STRONGBOX) return; |
| |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .EcbMode() |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_MAX_USES_PER_BOOT, 3))); |
| |
| string message = "1234567890123456"; |
| |
| auto params = AuthorizationSetBuilder().EcbMode().Padding(PaddingMode::NONE); |
| |
| EncryptMessage(message, params); |
| EncryptMessage(message, params); |
| EncryptMessage(message, params); |
| |
| // Fourth time should fail. |
| EXPECT_EQ(ErrorCode::KEY_MAX_OPS_EXCEEDED, Begin(KeyPurpose::ENCRYPT, params)); |
| } |
| |
| /* |
| * MaxOperationsTest.TestLimitAes |
| * |
| * Verifies that the max uses per boot tag works correctly with RSA keys. |
| */ |
| TEST_F(MaxOperationsTest, TestLimitRsa) { |
| if (SecLevel() == SecurityLevel::STRONGBOX) return; |
| |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaSigningKey(1024, 65537) |
| .NoDigestOrPadding() |
| .Authorization(TAG_MAX_USES_PER_BOOT, 3))); |
| |
| string message = "1234567890123456"; |
| |
| auto params = AuthorizationSetBuilder().NoDigestOrPadding(); |
| |
| SignMessage(message, params); |
| SignMessage(message, params); |
| SignMessage(message, params); |
| |
| // Fourth time should fail. |
| EXPECT_EQ(ErrorCode::KEY_MAX_OPS_EXCEEDED, Begin(KeyPurpose::SIGN, params)); |
| } |
| |
| typedef KeymasterHidlTest AddEntropyTest; |
| |
| /* |
| * AddEntropyTest.AddEntropy |
| * |
| * Verifies that the addRngEntropy method doesn't blow up. There's no way to test that entropy is |
| * actually added. |
| */ |
| TEST_F(AddEntropyTest, AddEntropy) { |
| EXPECT_EQ(ErrorCode::OK, keymaster().addRngEntropy(HidlBuf("foo"))); |
| } |
| |
| /* |
| * AddEntropyTest.AddEmptyEntropy |
| * |
| * Verifies that the addRngEntropy method doesn't blow up when given an empty buffer. |
| */ |
| TEST_F(AddEntropyTest, AddEmptyEntropy) { |
| EXPECT_EQ(ErrorCode::OK, keymaster().addRngEntropy(HidlBuf())); |
| } |
| |
| /* |
| * AddEntropyTest.AddLargeEntropy |
| * |
| * Verifies that the addRngEntropy method doesn't blow up when given a largish amount of data. |
| */ |
| TEST_F(AddEntropyTest, AddLargeEntropy) { |
| EXPECT_EQ(ErrorCode::OK, keymaster().addRngEntropy(HidlBuf(string(2 * 1024, 'a')))); |
| } |
| |
| typedef KeymasterHidlTest AttestationTest; |
| |
| /* |
| * AttestationTest.RsaAttestation |
| * |
| * Verifies that attesting to RSA keys works and generates the expected output. |
| */ |
| TEST_F(AttestationTest, RsaAttestation) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_INCLUDE_UNIQUE_ID))); |
| |
| hidl_vec<hidl_vec<uint8_t>> cert_chain; |
| ASSERT_EQ(ErrorCode::OK, |
| AttestKey(AuthorizationSetBuilder() |
| .Authorization(TAG_ATTESTATION_CHALLENGE, HidlBuf("challenge")) |
| .Authorization(TAG_ATTESTATION_APPLICATION_ID, HidlBuf("foo")), |
| &cert_chain)); |
| EXPECT_GE(cert_chain.size(), 2U); |
| EXPECT_TRUE(verify_chain(cert_chain)); |
| EXPECT_TRUE(verify_attestation_record("challenge", "foo", // |
| key_characteristics_.softwareEnforced, // |
| key_characteristics_.hardwareEnforced, // |
| SecLevel(), cert_chain[0])); |
| } |
| |
| /* |
| * AttestationTest.RsaAttestationRequiresAppId |
| * |
| * Verifies that attesting to RSA requires app ID. |
| */ |
| TEST_F(AttestationTest, RsaAttestationRequiresAppId) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_INCLUDE_UNIQUE_ID))); |
| |
| hidl_vec<hidl_vec<uint8_t>> cert_chain; |
| EXPECT_EQ(ErrorCode::ATTESTATION_APPLICATION_ID_MISSING, |
| AttestKey(AuthorizationSetBuilder().Authorization(TAG_ATTESTATION_CHALLENGE, |
| HidlBuf("challenge")), |
| &cert_chain)); |
| } |
| |
| /* |
| * AttestationTest.EcAttestation |
| * |
| * Verifies that attesting to EC keys works and generates the expected output. |
| */ |
| TEST_F(AttestationTest, EcAttestation) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(EcCurve::P_256) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_INCLUDE_UNIQUE_ID))); |
| |
| hidl_vec<hidl_vec<uint8_t>> cert_chain; |
| ASSERT_EQ(ErrorCode::OK, |
| AttestKey(AuthorizationSetBuilder() |
| .Authorization(TAG_ATTESTATION_CHALLENGE, HidlBuf("challenge")) |
| .Authorization(TAG_ATTESTATION_APPLICATION_ID, HidlBuf("foo")), |
| &cert_chain)); |
| EXPECT_GE(cert_chain.size(), 2U); |
| EXPECT_TRUE(verify_chain(cert_chain)); |
| |
| EXPECT_TRUE(verify_attestation_record("challenge", "foo", // |
| key_characteristics_.softwareEnforced, // |
| key_characteristics_.hardwareEnforced, // |
| SecLevel(), cert_chain[0])); |
| } |
| |
| /* |
| * AttestationTest.EcAttestationRequiresAttestationAppId |
| * |
| * Verifies that attesting to EC keys requires app ID |
| */ |
| TEST_F(AttestationTest, EcAttestationRequiresAttestationAppId) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .EcdsaSigningKey(EcCurve::P_256) |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_INCLUDE_UNIQUE_ID))); |
| |
| hidl_vec<hidl_vec<uint8_t>> cert_chain; |
| EXPECT_EQ(ErrorCode::ATTESTATION_APPLICATION_ID_MISSING, |
| AttestKey(AuthorizationSetBuilder().Authorization(TAG_ATTESTATION_CHALLENGE, |
| HidlBuf("challenge")), |
| &cert_chain)); |
| } |
| |
| /* |
| * AttestationTest.AesAttestation |
| * |
| * Verifies that attesting to AES keys fails in the expected way. |
| */ |
| TEST_F(AttestationTest, AesAttestation) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .AesEncryptionKey(128) |
| .EcbMode() |
| .Padding(PaddingMode::PKCS7))); |
| |
| hidl_vec<hidl_vec<uint8_t>> cert_chain; |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_ALGORITHM, |
| AttestKey(AuthorizationSetBuilder() |
| .Authorization(TAG_ATTESTATION_CHALLENGE, HidlBuf("challenge")) |
| .Authorization(TAG_ATTESTATION_APPLICATION_ID, HidlBuf("foo")), |
| &cert_chain)); |
| } |
| |
| /* |
| * AttestationTest.HmacAttestation |
| * |
| * Verifies that attesting to HMAC keys fails in the expected way. |
| */ |
| TEST_F(AttestationTest, HmacAttestation) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .Authorization(TAG_NO_AUTH_REQUIRED) |
| .HmacKey(128) |
| .EcbMode() |
| .Digest(Digest::SHA_2_256) |
| .Authorization(TAG_MIN_MAC_LENGTH, 128))); |
| |
| hidl_vec<hidl_vec<uint8_t>> cert_chain; |
| EXPECT_EQ(ErrorCode::INCOMPATIBLE_ALGORITHM, |
| AttestKey(AuthorizationSetBuilder() |
| .Authorization(TAG_ATTESTATION_CHALLENGE, HidlBuf("challenge")) |
| .Authorization(TAG_ATTESTATION_APPLICATION_ID, HidlBuf("foo")), |
| &cert_chain)); |
| } |
| |
| typedef KeymasterHidlTest KeyDeletionTest; |
| |
| /** |
| * KeyDeletionTest.DeleteKey |
| * |
| * This test checks that if rollback protection is implemented, DeleteKey invalidates a formerly |
| * valid key blob. |
| * |
| * TODO(swillden): Update to incorporate changes in rollback resistance semantics. |
| */ |
| TEST_F(KeyDeletionTest, DeleteKey) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED))); |
| |
| // Delete must work if rollback protection is implemented |
| AuthorizationSet hardwareEnforced(key_characteristics_.hardwareEnforced); |
| bool rollback_protected = hardwareEnforced.Contains(TAG_ROLLBACK_RESISTANCE); |
| |
| if (rollback_protected) { |
| ASSERT_EQ(ErrorCode::OK, DeleteKey(true /* keep key blob */)); |
| } else { |
| auto delete_result = DeleteKey(true /* keep key blob */); |
| ASSERT_TRUE(delete_result == ErrorCode::OK | delete_result == ErrorCode::UNIMPLEMENTED); |
| } |
| |
| string message = "12345678901234567890123456789012"; |
| AuthorizationSet begin_out_params; |
| |
| if (rollback_protected) { |
| EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB, |
| Begin(KeyPurpose::SIGN, key_blob_, |
| AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE), |
| &begin_out_params, &op_handle_)); |
| } else { |
| EXPECT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::SIGN, key_blob_, |
| AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE), |
| &begin_out_params, &op_handle_)); |
| } |
| AbortIfNeeded(); |
| key_blob_ = HidlBuf(); |
| } |
| |
| /** |
| * KeyDeletionTest.DeleteInvalidKey |
| * |
| * This test checks that the HAL excepts invalid key blobs. |
| * |
| * TODO(swillden): Update to incorporate changes in rollback resistance semantics. |
| */ |
| TEST_F(KeyDeletionTest, DeleteInvalidKey) { |
| // Generate key just to check if rollback protection is implemented |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED))); |
| |
| // Delete must work if rollback protection is implemented |
| AuthorizationSet hardwareEnforced(key_characteristics_.hardwareEnforced); |
| bool rollback_protected = hardwareEnforced.Contains(TAG_ROLLBACK_RESISTANCE); |
| |
| // Delete the key we don't care about the result at this point. |
| DeleteKey(); |
| |
| // Now create an invalid key blob and delete it. |
| key_blob_ = HidlBuf("just some garbage data which is not a valid key blob"); |
| |
| if (rollback_protected) { |
| ASSERT_EQ(ErrorCode::OK, DeleteKey()); |
| } else { |
| auto delete_result = DeleteKey(); |
| ASSERT_TRUE(delete_result == ErrorCode::OK | delete_result == ErrorCode::UNIMPLEMENTED); |
| } |
| } |
| |
| /** |
| * KeyDeletionTest.DeleteAllKeys |
| * |
| * This test is disarmed by default. To arm it use --arm_deleteAllKeys. |
| * |
| * BEWARE: This test has serious side effects. All user keys will be lost! This includes |
| * FBE/FDE encryption keys, which means that the device will not even boot until after the |
| * device has been wiped manually (e.g., fastboot flashall -w), and new FBE/FDE keys have |
| * been provisioned. Use this test only on dedicated testing devices that have no valuable |
| * credentials stored in Keystore/Keymaster. |
| * |
| * TODO(swillden): Update to incorporate changes in rollback resistance semantics. |
| */ |
| TEST_F(KeyDeletionTest, DeleteAllKeys) { |
| if (!arm_deleteAllKeys) return; |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .RsaSigningKey(2048, 65537) |
| .Digest(Digest::NONE) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED))); |
| |
| // Delete must work if rollback protection is implemented |
| AuthorizationSet hardwareEnforced(key_characteristics_.hardwareEnforced); |
| bool rollback_protected = hardwareEnforced.Contains(TAG_ROLLBACK_RESISTANCE); |
| |
| ASSERT_EQ(ErrorCode::OK, DeleteAllKeys()); |
| |
| string message = "12345678901234567890123456789012"; |
| AuthorizationSet begin_out_params; |
| |
| if (rollback_protected) { |
| EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB, |
| Begin(KeyPurpose::SIGN, key_blob_, |
| AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE), |
| &begin_out_params, &op_handle_)); |
| } else { |
| EXPECT_EQ(ErrorCode::OK, |
| Begin(KeyPurpose::SIGN, key_blob_, |
| AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE), |
| &begin_out_params, &op_handle_)); |
| } |
| AbortIfNeeded(); |
| key_blob_ = HidlBuf(); |
| } |
| |
| using UpgradeKeyTest = KeymasterHidlTest; |
| |
| /* |
| * UpgradeKeyTest.UpgradeKey |
| * |
| * Verifies that calling upgrade key on an up-to-date key works (i.e. does nothing). |
| */ |
| TEST_F(UpgradeKeyTest, UpgradeKey) { |
| ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder() |
| .AesEncryptionKey(128) |
| .Padding(PaddingMode::NONE) |
| .Authorization(TAG_NO_AUTH_REQUIRED))); |
| |
| auto result = UpgradeKey(key_blob_); |
| |
| // Key doesn't need upgrading. Should get okay, but no new key blob. |
| EXPECT_EQ(result, std::make_pair(ErrorCode::OK, HidlBuf())); |
| } |
| |
| } // namespace test |
| } // namespace V4_0 |
| } // namespace keymaster |
| } // namespace hardware |
| } // namespace android |
| |
| using android::hardware::keymaster::V4_0::test::KeymasterHidlEnvironment; |
| |
| int main(int argc, char** argv) { |
| ::testing::AddGlobalTestEnvironment(KeymasterHidlEnvironment::Instance()); |
| ::testing::InitGoogleTest(&argc, argv); |
| KeymasterHidlEnvironment::Instance()->init(&argc, argv); |
| for (int i = 1; i < argc; ++i) { |
| if (argv[i][0] == '-') { |
| if (std::string(argv[i]) == "--arm_deleteAllKeys") { |
| arm_deleteAllKeys = true; |
| } |
| if (std::string(argv[i]) == "--dump_attestations") { |
| dump_Attestations = true; |
| } |
| } |
| } |
| int status = RUN_ALL_TESTS(); |
| ALOGI("Test result = %d", status); |
| return status; |
| } |