blob: 63e1d2c1deaf756f37453341c4eb984ecc1b342e [file] [log] [blame]
/*
* Copyright (C) 2014 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.
*/
#include <fstream>
#include <string>
#include <vector>
#include <hardware/keymaster0.h>
#include <keymaster/soft_keymaster_device.h>
#include <keymaster/softkeymaster.h>
#include "android_keymaster_test_utils.h"
using std::ifstream;
using std::istreambuf_iterator;
using std::string;
using std::vector;
using std::unique_ptr;
extern "C" {
int __android_log_print(int prio, const char* tag, const char* fmt);
int __android_log_print(int prio, const char* tag, const char* fmt) {
prio, tag, fmt;
return 0;
}
} // extern "C"
namespace keymaster {
namespace test {
StdoutLogger logger;
class SoftKeymasterTestInstanceCreator : public Keymaster1TestInstanceCreator {
public:
keymaster1_device_t* CreateDevice() const override {
std::cerr << "Creating software-only device" << std::endl;
SoftKeymasterDevice* device = new SoftKeymasterDevice;
return device->keymaster_device();
}
bool algorithm_in_hardware(keymaster_algorithm_t) const override { return false; }
int keymaster0_calls() const override { return 0; }
};
class Keymaster0AdapterTestInstanceCreator : public Keymaster1TestInstanceCreator {
public:
Keymaster0AdapterTestInstanceCreator(bool support_ec) : support_ec_(support_ec) {}
keymaster1_device_t* CreateDevice() const {
std::cerr << "Creating keymaster0-backed device (with ec: " << std::boolalpha << support_ec_
<< ")." << std::endl;
hw_device_t* softkeymaster_device;
EXPECT_EQ(0, openssl_open(&softkeymaster_module.common, KEYSTORE_KEYMASTER,
&softkeymaster_device));
// Make the software device pretend to be hardware
keymaster0_device_t* keymaster0_device =
reinterpret_cast<keymaster0_device_t*>(softkeymaster_device);
keymaster0_device->flags &= ~KEYMASTER_SOFTWARE_ONLY;
if (!support_ec_) {
// Make the software device pretend not to support EC
keymaster0_device->flags &= ~KEYMASTER_SUPPORTS_EC;
}
counting_keymaster0_device_ = new Keymaster0CountingWrapper(keymaster0_device);
SoftKeymasterDevice* keymaster = new SoftKeymasterDevice(counting_keymaster0_device_);
return keymaster->keymaster_device();
}
bool algorithm_in_hardware(keymaster_algorithm_t algorithm) const override {
switch (algorithm) {
case KM_ALGORITHM_RSA:
return true;
case KM_ALGORITHM_EC:
return support_ec_;
default:
return false;
}
}
int keymaster0_calls() const override { return counting_keymaster0_device_->count(); }
private:
mutable Keymaster0CountingWrapper* counting_keymaster0_device_;
bool support_ec_;
};
static auto test_params = testing::Values(
InstanceCreatorPtr(new SoftKeymasterTestInstanceCreator),
InstanceCreatorPtr(new Keymaster0AdapterTestInstanceCreator(true /* support_ec */)),
InstanceCreatorPtr(new Keymaster0AdapterTestInstanceCreator(false /* support_ec */)));
typedef Keymaster1Test CheckSupported;
INSTANTIATE_TEST_CASE_P(AndroidKeymasterTest, CheckSupported, test_params);
TEST_P(CheckSupported, SupportedAlgorithms) {
EXPECT_EQ(KM_ERROR_OUTPUT_PARAMETER_NULL,
device()->get_supported_algorithms(device(), NULL, NULL));
size_t len;
keymaster_algorithm_t* algorithms;
EXPECT_EQ(KM_ERROR_OK, device()->get_supported_algorithms(device(), &algorithms, &len));
EXPECT_TRUE(ResponseContains(
{KM_ALGORITHM_RSA, KM_ALGORITHM_EC, KM_ALGORITHM_AES, KM_ALGORITHM_HMAC}, algorithms, len));
free(algorithms);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(CheckSupported, SupportedBlockModes) {
EXPECT_EQ(KM_ERROR_OUTPUT_PARAMETER_NULL,
device()->get_supported_block_modes(device(), KM_ALGORITHM_RSA, KM_PURPOSE_ENCRYPT,
NULL, NULL));
size_t len;
keymaster_block_mode_t* modes;
ASSERT_EQ(KM_ERROR_OK, device()->get_supported_block_modes(device(), KM_ALGORITHM_RSA,
KM_PURPOSE_ENCRYPT, &modes, &len));
EXPECT_EQ(0U, len);
free(modes);
EXPECT_EQ(KM_ERROR_UNSUPPORTED_PURPOSE,
device()->get_supported_block_modes(device(), KM_ALGORITHM_EC, KM_PURPOSE_ENCRYPT,
&modes, &len));
ASSERT_EQ(KM_ERROR_OK, device()->get_supported_block_modes(device(), KM_ALGORITHM_AES,
KM_PURPOSE_ENCRYPT, &modes, &len));
EXPECT_TRUE(ResponseContains({KM_MODE_ECB, KM_MODE_CBC, KM_MODE_CTR}, modes, len));
free(modes);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(CheckSupported, SupportedPaddingModes) {
EXPECT_EQ(KM_ERROR_OUTPUT_PARAMETER_NULL,
device()->get_supported_padding_modes(device(), KM_ALGORITHM_RSA, KM_PURPOSE_ENCRYPT,
NULL, NULL));
size_t len;
keymaster_padding_t* modes;
ASSERT_EQ(KM_ERROR_OK, device()->get_supported_padding_modes(device(), KM_ALGORITHM_RSA,
KM_PURPOSE_SIGN, &modes, &len));
EXPECT_TRUE(
ResponseContains({KM_PAD_NONE, KM_PAD_RSA_PKCS1_1_5_SIGN, KM_PAD_RSA_PSS}, modes, len));
free(modes);
ASSERT_EQ(KM_ERROR_OK, device()->get_supported_padding_modes(device(), KM_ALGORITHM_RSA,
KM_PURPOSE_ENCRYPT, &modes, &len));
EXPECT_TRUE(ResponseContains({KM_PAD_RSA_OAEP, KM_PAD_RSA_PKCS1_1_5_ENCRYPT}, modes, len));
free(modes);
ASSERT_EQ(KM_ERROR_OK, device()->get_supported_padding_modes(device(), KM_ALGORITHM_EC,
KM_PURPOSE_SIGN, &modes, &len));
EXPECT_EQ(0U, len);
free(modes);
EXPECT_EQ(KM_ERROR_UNSUPPORTED_PURPOSE,
device()->get_supported_padding_modes(device(), KM_ALGORITHM_AES, KM_PURPOSE_SIGN,
&modes, &len));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(CheckSupported, SupportedDigests) {
EXPECT_EQ(
KM_ERROR_OUTPUT_PARAMETER_NULL,
device()->get_supported_digests(device(), KM_ALGORITHM_RSA, KM_PURPOSE_SIGN, NULL, NULL));
size_t len;
keymaster_digest_t* digests;
ASSERT_EQ(KM_ERROR_OK, device()->get_supported_digests(device(), KM_ALGORITHM_RSA,
KM_PURPOSE_SIGN, &digests, &len));
EXPECT_TRUE(
ResponseContains({KM_DIGEST_NONE, KM_DIGEST_MD5, KM_DIGEST_SHA1, KM_DIGEST_SHA_2_224,
KM_DIGEST_SHA_2_256, KM_DIGEST_SHA_2_384, KM_DIGEST_SHA_2_512},
digests, len));
free(digests);
ASSERT_EQ(KM_ERROR_OK, device()->get_supported_digests(device(), KM_ALGORITHM_EC,
KM_PURPOSE_SIGN, &digests, &len));
EXPECT_TRUE(
ResponseContains({KM_DIGEST_NONE, KM_DIGEST_MD5, KM_DIGEST_SHA1, KM_DIGEST_SHA_2_224,
KM_DIGEST_SHA_2_256, KM_DIGEST_SHA_2_384, KM_DIGEST_SHA_2_512},
digests, len));
free(digests);
EXPECT_EQ(KM_ERROR_UNSUPPORTED_PURPOSE,
device()->get_supported_digests(device(), KM_ALGORITHM_AES, KM_PURPOSE_SIGN, &digests,
&len));
ASSERT_EQ(KM_ERROR_OK, device()->get_supported_digests(device(), KM_ALGORITHM_HMAC,
KM_PURPOSE_SIGN, &digests, &len));
EXPECT_TRUE(ResponseContains({KM_DIGEST_SHA_2_224, KM_DIGEST_SHA_2_256, KM_DIGEST_SHA_2_384,
KM_DIGEST_SHA_2_512, KM_DIGEST_SHA1},
digests, len));
free(digests);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(CheckSupported, SupportedImportFormats) {
EXPECT_EQ(KM_ERROR_OUTPUT_PARAMETER_NULL,
device()->get_supported_import_formats(device(), KM_ALGORITHM_RSA, NULL, NULL));
size_t len;
keymaster_key_format_t* formats;
ASSERT_EQ(KM_ERROR_OK,
device()->get_supported_import_formats(device(), KM_ALGORITHM_RSA, &formats, &len));
EXPECT_TRUE(ResponseContains(KM_KEY_FORMAT_PKCS8, formats, len));
free(formats);
ASSERT_EQ(KM_ERROR_OK,
device()->get_supported_import_formats(device(), KM_ALGORITHM_AES, &formats, &len));
EXPECT_TRUE(ResponseContains(KM_KEY_FORMAT_RAW, formats, len));
free(formats);
ASSERT_EQ(KM_ERROR_OK,
device()->get_supported_import_formats(device(), KM_ALGORITHM_HMAC, &formats, &len));
EXPECT_TRUE(ResponseContains(KM_KEY_FORMAT_RAW, formats, len));
free(formats);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(CheckSupported, SupportedExportFormats) {
EXPECT_EQ(KM_ERROR_OUTPUT_PARAMETER_NULL,
device()->get_supported_export_formats(device(), KM_ALGORITHM_RSA, NULL, NULL));
size_t len;
keymaster_key_format_t* formats;
ASSERT_EQ(KM_ERROR_OK,
device()->get_supported_export_formats(device(), KM_ALGORITHM_RSA, &formats, &len));
EXPECT_TRUE(ResponseContains(KM_KEY_FORMAT_X509, formats, len));
free(formats);
ASSERT_EQ(KM_ERROR_OK,
device()->get_supported_export_formats(device(), KM_ALGORITHM_EC, &formats, &len));
EXPECT_TRUE(ResponseContains(KM_KEY_FORMAT_X509, formats, len));
free(formats);
ASSERT_EQ(KM_ERROR_OK,
device()->get_supported_export_formats(device(), KM_ALGORITHM_AES, &formats, &len));
EXPECT_EQ(0U, len);
free(formats);
ASSERT_EQ(KM_ERROR_OK,
device()->get_supported_export_formats(device(), KM_ALGORITHM_AES, &formats, &len));
EXPECT_EQ(0U, len);
free(formats);
ASSERT_EQ(KM_ERROR_OK,
device()->get_supported_export_formats(device(), KM_ALGORITHM_HMAC, &formats, &len));
EXPECT_EQ(0U, len);
free(formats);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
class NewKeyGeneration : public Keymaster1Test {
protected:
void CheckBaseParams() {
AuthorizationSet auths = sw_enforced();
EXPECT_GT(auths.SerializedSize(), 12U);
EXPECT_TRUE(contains(auths, TAG_PURPOSE, KM_PURPOSE_SIGN));
EXPECT_TRUE(contains(auths, TAG_PURPOSE, KM_PURPOSE_VERIFY));
EXPECT_TRUE(contains(auths, TAG_USER_ID, 7));
EXPECT_TRUE(contains(auths, TAG_USER_AUTH_TYPE, HW_AUTH_PASSWORD));
EXPECT_TRUE(contains(auths, TAG_AUTH_TIMEOUT, 300));
// Verify that App ID, App data and ROT are NOT included.
EXPECT_FALSE(contains(auths, TAG_ROOT_OF_TRUST));
EXPECT_FALSE(contains(auths, TAG_APPLICATION_ID));
EXPECT_FALSE(contains(auths, TAG_APPLICATION_DATA));
// Just for giggles, check that some unexpected tags/values are NOT present.
EXPECT_FALSE(contains(auths, TAG_PURPOSE, KM_PURPOSE_ENCRYPT));
EXPECT_FALSE(contains(auths, TAG_PURPOSE, KM_PURPOSE_DECRYPT));
EXPECT_FALSE(contains(auths, TAG_AUTH_TIMEOUT, 301));
// Now check that unspecified, defaulted tags are correct.
EXPECT_TRUE(contains(auths, TAG_ORIGIN, KM_ORIGIN_GENERATED));
EXPECT_TRUE(contains(auths, KM_TAG_CREATION_DATETIME));
}
};
INSTANTIATE_TEST_CASE_P(AndroidKeymasterTest, NewKeyGeneration, test_params);
TEST_P(NewKeyGeneration, Rsa) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
CheckBaseParams();
// Check specified tags are all present, and in the right set.
AuthorizationSet crypto_params;
AuthorizationSet non_crypto_params;
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA)) {
EXPECT_NE(0U, hw_enforced().size());
EXPECT_NE(0U, sw_enforced().size());
crypto_params.push_back(hw_enforced());
non_crypto_params.push_back(sw_enforced());
} else {
EXPECT_EQ(0U, hw_enforced().size());
EXPECT_NE(0U, sw_enforced().size());
crypto_params.push_back(sw_enforced());
}
EXPECT_TRUE(contains(crypto_params, TAG_ALGORITHM, KM_ALGORITHM_RSA));
EXPECT_FALSE(contains(non_crypto_params, TAG_ALGORITHM, KM_ALGORITHM_RSA));
EXPECT_TRUE(contains(crypto_params, TAG_KEY_SIZE, 256));
EXPECT_FALSE(contains(non_crypto_params, TAG_KEY_SIZE, 256));
EXPECT_TRUE(contains(crypto_params, TAG_RSA_PUBLIC_EXPONENT, 3));
EXPECT_FALSE(contains(non_crypto_params, TAG_RSA_PUBLIC_EXPONENT, 3));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(1, GetParam()->keymaster0_calls());
}
TEST_P(NewKeyGeneration, RsaDefaultSize) {
ASSERT_EQ(KM_ERROR_UNSUPPORTED_KEY_SIZE,
GenerateKey(AuthorizationSetBuilder()
.Authorization(TAG_ALGORITHM, KM_ALGORITHM_RSA)
.Authorization(TAG_RSA_PUBLIC_EXPONENT, 3)
.SigningKey()));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(NewKeyGeneration, Ecdsa) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(224).Digest(KM_DIGEST_NONE)));
CheckBaseParams();
// Check specified tags are all present, and in the right set.
AuthorizationSet crypto_params;
AuthorizationSet non_crypto_params;
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC)) {
EXPECT_NE(0U, hw_enforced().size());
EXPECT_NE(0U, sw_enforced().size());
crypto_params.push_back(hw_enforced());
non_crypto_params.push_back(sw_enforced());
} else {
EXPECT_EQ(0U, hw_enforced().size());
EXPECT_NE(0U, sw_enforced().size());
crypto_params.push_back(sw_enforced());
}
EXPECT_TRUE(contains(crypto_params, TAG_ALGORITHM, KM_ALGORITHM_EC));
EXPECT_FALSE(contains(non_crypto_params, TAG_ALGORITHM, KM_ALGORITHM_EC));
EXPECT_TRUE(contains(crypto_params, TAG_KEY_SIZE, 224));
EXPECT_FALSE(contains(non_crypto_params, TAG_KEY_SIZE, 224));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(1, GetParam()->keymaster0_calls());
}
TEST_P(NewKeyGeneration, EcdsaDefaultSize) {
ASSERT_EQ(KM_ERROR_UNSUPPORTED_KEY_SIZE,
GenerateKey(AuthorizationSetBuilder()
.Authorization(TAG_ALGORITHM, KM_ALGORITHM_EC)
.SigningKey()
.Digest(KM_DIGEST_NONE)));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(NewKeyGeneration, EcdsaInvalidSize) {
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
ASSERT_EQ(
KM_ERROR_UNKNOWN_ERROR,
GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(190).Digest(KM_DIGEST_NONE)));
else
ASSERT_EQ(
KM_ERROR_UNSUPPORTED_KEY_SIZE,
GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(190).Digest(KM_DIGEST_NONE)));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(1, GetParam()->keymaster0_calls());
}
TEST_P(NewKeyGeneration, EcdsaAllValidSizes) {
size_t valid_sizes[] = {224, 256, 384, 521};
for (size_t size : valid_sizes) {
EXPECT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(size).Digest(
KM_DIGEST_NONE)))
<< "Failed to generate size: "
<< size;
}
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(NewKeyGeneration, HmacSha256) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA_2_256)));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
typedef Keymaster1Test GetKeyCharacteristics;
INSTANTIATE_TEST_CASE_P(AndroidKeymasterTest, GetKeyCharacteristics, test_params);
TEST_P(GetKeyCharacteristics, SimpleRsa) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
AuthorizationSet original(sw_enforced());
ASSERT_EQ(KM_ERROR_OK, GetCharacteristics());
EXPECT_EQ(original, sw_enforced());
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(1, GetParam()->keymaster0_calls());
}
typedef Keymaster1Test SigningOperationsTest;
INSTANTIATE_TEST_CASE_P(AndroidKeymasterTest, SigningOperationsTest, test_params);
TEST_P(SigningOperationsTest, RsaSuccess) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
string message = "12345678901234567890123456789012";
string signature;
SignMessage(message, &signature, KM_DIGEST_NONE, KM_PAD_NONE);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(3, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, RsaPssSha256Success) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(512, 3)
.Digest(KM_DIGEST_SHA_2_256)
.Padding(KM_PAD_RSA_PSS)));
// Use large message, which won't work without digesting.
string message(1024, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_SHA_2_256, KM_PAD_RSA_PSS);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(3, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, RsaPkcs1Sha256Success) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(512, 3)
.Digest(KM_DIGEST_SHA_2_256)
.Padding(KM_PAD_RSA_PKCS1_1_5_SIGN)));
string message(1024, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_SHA_2_256, KM_PAD_RSA_PKCS1_1_5_SIGN);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(3, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, RsaPssSha256TooSmallKey) {
// Key must be at least 10 bytes larger than hash, to provide eight bytes of random salt, so
// verify that nine bytes larger than hash won't work.
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256 + 9 * 8, 3)
.Digest(KM_DIGEST_SHA_2_256)
.Padding(KM_PAD_RSA_PSS)));
string message(1024, 'a');
string signature;
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_SHA_2_256);
begin_params.push_back(TAG_PADDING, KM_PAD_RSA_PSS);
EXPECT_EQ(KM_ERROR_INCOMPATIBLE_DIGEST, BeginOperation(KM_PURPOSE_SIGN, begin_params));
}
TEST_P(SigningOperationsTest, RsaAbort) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_NONE);
begin_params.push_back(TAG_PADDING, KM_PAD_NONE);
ASSERT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_SIGN, begin_params));
EXPECT_EQ(KM_ERROR_OK, AbortOperation());
// Another abort should fail
EXPECT_EQ(KM_ERROR_INVALID_OPERATION_HANDLE, AbortOperation());
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, RsaUnsupportedDigest) {
GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_MD5)
.Padding(KM_PAD_RSA_PSS /* supported padding */));
ASSERT_EQ(KM_ERROR_UNSUPPORTED_DIGEST, BeginOperation(KM_PURPOSE_SIGN));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, RsaUnsupportedPadding) {
GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_SHA_2_256 /* supported digest */)
.Padding(KM_PAD_PKCS7));
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_SHA_2_256);
ASSERT_EQ(KM_ERROR_UNSUPPORTED_PADDING_MODE, BeginOperation(KM_PURPOSE_SIGN, begin_params));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, RsaNoDigest) {
// PSS requires a digest.
GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_RSA_PSS));
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_NONE);
begin_params.push_back(TAG_PADDING, KM_PAD_RSA_PSS);
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_DIGEST, BeginOperation(KM_PURPOSE_SIGN, begin_params));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, RsaNoPadding) {
// Padding must be specified
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().RsaKey(256, 3).SigningKey().Digest(
KM_DIGEST_NONE)));
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_NONE);
ASSERT_EQ(KM_ERROR_UNSUPPORTED_PADDING_MODE, BeginOperation(KM_PURPOSE_SIGN, begin_params));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, RsaTooShortMessage) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_NONE);
begin_params.push_back(TAG_PADDING, KM_PAD_NONE);
ASSERT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_SIGN, begin_params));
string message = "1234567890123456789012345678901";
string result;
size_t input_consumed;
ASSERT_EQ(KM_ERROR_OK, UpdateOperation(message, &result, &input_consumed));
EXPECT_EQ(0U, result.size());
EXPECT_EQ(31U, input_consumed);
string signature;
ASSERT_EQ(KM_ERROR_UNKNOWN_ERROR, FinishOperation(&signature));
EXPECT_EQ(0U, signature.length());
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, RsaSignWithEncryptionKey) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaEncryptionKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_PURPOSE, BeginOperation(KM_PURPOSE_SIGN));
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_PURPOSE, BeginOperation(KM_PURPOSE_VERIFY));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(3, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, EcdsaSuccess) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(224).Digest(KM_DIGEST_NONE)));
string message(1024, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_NONE);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(3, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, EcdsaSha256Success) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(224).Digest(
KM_DIGEST_SHA_2_256)));
string message(1024, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_SHA_2_256);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(3, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, AesEcbSign) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().AesEncryptionKey(128).Authorization(
TAG_BLOCK_MODE, KM_MODE_ECB)));
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_PURPOSE, BeginOperation(KM_PURPOSE_SIGN));
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_PURPOSE, BeginOperation(KM_PURPOSE_VERIFY));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, HmacSha1Success) {
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA1));
string message = "12345678901234567890123456789012";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA1, 160);
ASSERT_EQ(20U, signature.size());
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, HmacSha224Success) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA_2_224)));
string message = "12345678901234567890123456789012";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA_2_224, 224);
ASSERT_EQ(28U, signature.size());
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, HmacSha256Success) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA_2_256)));
string message = "12345678901234567890123456789012";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA_2_256, 256);
ASSERT_EQ(32U, signature.size());
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, HmacSha384Success) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA_2_384)));
string message = "12345678901234567890123456789012";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA_2_384, 384);
ASSERT_EQ(48U, signature.size());
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, HmacSha512Success) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA_2_512)));
string message = "12345678901234567890123456789012";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA_2_512, 512);
ASSERT_EQ(64U, signature.size());
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, HmacLengthInKey) {
// TODO(swillden): unified API should generate an error on key generation.
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.HmacKey(128)
.Digest(KM_DIGEST_SHA_2_256)
.Authorization(TAG_MAC_LENGTH, 20)));
string message = "12345678901234567890123456789012";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA_2_256, 240);
// Size in key was ignored.
ASSERT_EQ(30U, signature.size());
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, HmacRfc4231TestCase1) {
uint8_t key_data[] = {
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
};
string message = "Hi There";
uint8_t sha_224_expected[] = {
0x89, 0x6f, 0xb1, 0x12, 0x8a, 0xbb, 0xdf, 0x19, 0x68, 0x32, 0x10, 0x7c, 0xd4, 0x9d,
0xf3, 0x3f, 0x47, 0xb4, 0xb1, 0x16, 0x99, 0x12, 0xba, 0x4f, 0x53, 0x68, 0x4b, 0x22,
};
uint8_t sha_256_expected[] = {
0xb0, 0x34, 0x4c, 0x61, 0xd8, 0xdb, 0x38, 0x53, 0x5c, 0xa8, 0xaf,
0xce, 0xaf, 0x0b, 0xf1, 0x2b, 0x88, 0x1d, 0xc2, 0x00, 0xc9, 0x83,
0x3d, 0xa7, 0x26, 0xe9, 0x37, 0x6c, 0x2e, 0x32, 0xcf, 0xf7,
};
uint8_t sha_384_expected[] = {
0xaf, 0xd0, 0x39, 0x44, 0xd8, 0x48, 0x95, 0x62, 0x6b, 0x08, 0x25, 0xf4,
0xab, 0x46, 0x90, 0x7f, 0x15, 0xf9, 0xda, 0xdb, 0xe4, 0x10, 0x1e, 0xc6,
0x82, 0xaa, 0x03, 0x4c, 0x7c, 0xeb, 0xc5, 0x9c, 0xfa, 0xea, 0x9e, 0xa9,
0x07, 0x6e, 0xde, 0x7f, 0x4a, 0xf1, 0x52, 0xe8, 0xb2, 0xfa, 0x9c, 0xb6,
};
uint8_t sha_512_expected[] = {
0x87, 0xaa, 0x7c, 0xde, 0xa5, 0xef, 0x61, 0x9d, 0x4f, 0xf0, 0xb4, 0x24, 0x1a,
0x1d, 0x6c, 0xb0, 0x23, 0x79, 0xf4, 0xe2, 0xce, 0x4e, 0xc2, 0x78, 0x7a, 0xd0,
0xb3, 0x05, 0x45, 0xe1, 0x7c, 0xde, 0xda, 0xa8, 0x33, 0xb7, 0xd6, 0xb8, 0xa7,
0x02, 0x03, 0x8b, 0x27, 0x4e, 0xae, 0xa3, 0xf4, 0xe4, 0xbe, 0x9d, 0x91, 0x4e,
0xeb, 0x61, 0xf1, 0x70, 0x2e, 0x69, 0x6c, 0x20, 0x3a, 0x12, 0x68, 0x54,
};
string key = make_string(key_data);
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, HmacRfc4231TestCase2) {
string key = "Jefe";
string message = "what do ya want for nothing?";
uint8_t sha_224_expected[] = {
0xa3, 0x0e, 0x01, 0x09, 0x8b, 0xc6, 0xdb, 0xbf, 0x45, 0x69, 0x0f, 0x3a, 0x7e, 0x9e,
0x6d, 0x0f, 0x8b, 0xbe, 0xa2, 0xa3, 0x9e, 0x61, 0x48, 0x00, 0x8f, 0xd0, 0x5e, 0x44,
};
uint8_t sha_256_expected[] = {
0x5b, 0xdc, 0xc1, 0x46, 0xbf, 0x60, 0x75, 0x4e, 0x6a, 0x04, 0x24,
0x26, 0x08, 0x95, 0x75, 0xc7, 0x5a, 0x00, 0x3f, 0x08, 0x9d, 0x27,
0x39, 0x83, 0x9d, 0xec, 0x58, 0xb9, 0x64, 0xec, 0x38, 0x43,
};
uint8_t sha_384_expected[] = {
0xaf, 0x45, 0xd2, 0xe3, 0x76, 0x48, 0x40, 0x31, 0x61, 0x7f, 0x78, 0xd2,
0xb5, 0x8a, 0x6b, 0x1b, 0x9c, 0x7e, 0xf4, 0x64, 0xf5, 0xa0, 0x1b, 0x47,
0xe4, 0x2e, 0xc3, 0x73, 0x63, 0x22, 0x44, 0x5e, 0x8e, 0x22, 0x40, 0xca,
0x5e, 0x69, 0xe2, 0xc7, 0x8b, 0x32, 0x39, 0xec, 0xfa, 0xb2, 0x16, 0x49,
};
uint8_t sha_512_expected[] = {
0x16, 0x4b, 0x7a, 0x7b, 0xfc, 0xf8, 0x19, 0xe2, 0xe3, 0x95, 0xfb, 0xe7, 0x3b,
0x56, 0xe0, 0xa3, 0x87, 0xbd, 0x64, 0x22, 0x2e, 0x83, 0x1f, 0xd6, 0x10, 0x27,
0x0c, 0xd7, 0xea, 0x25, 0x05, 0x54, 0x97, 0x58, 0xbf, 0x75, 0xc0, 0x5a, 0x99,
0x4a, 0x6d, 0x03, 0x4f, 0x65, 0xf8, 0xf0, 0xe6, 0xfd, 0xca, 0xea, 0xb1, 0xa3,
0x4d, 0x4a, 0x6b, 0x4b, 0x63, 0x6e, 0x07, 0x0a, 0x38, 0xbc, 0xe7, 0x37,
};
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(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, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, HmacRfc4231TestCase4) {
uint8_t key_data[25] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
};
string key = make_string(key_data);
string message(50, 0xcd);
uint8_t sha_224_expected[] = {
0x6c, 0x11, 0x50, 0x68, 0x74, 0x01, 0x3c, 0xac, 0x6a, 0x2a, 0xbc, 0x1b, 0xb3, 0x82,
0x62, 0x7c, 0xec, 0x6a, 0x90, 0xd8, 0x6e, 0xfc, 0x01, 0x2d, 0xe7, 0xaf, 0xec, 0x5a,
};
uint8_t sha_256_expected[] = {
0x82, 0x55, 0x8a, 0x38, 0x9a, 0x44, 0x3c, 0x0e, 0xa4, 0xcc, 0x81,
0x98, 0x99, 0xf2, 0x08, 0x3a, 0x85, 0xf0, 0xfa, 0xa3, 0xe5, 0x78,
0xf8, 0x07, 0x7a, 0x2e, 0x3f, 0xf4, 0x67, 0x29, 0x66, 0x5b,
};
uint8_t sha_384_expected[] = {
0x3e, 0x8a, 0x69, 0xb7, 0x78, 0x3c, 0x25, 0x85, 0x19, 0x33, 0xab, 0x62,
0x90, 0xaf, 0x6c, 0xa7, 0x7a, 0x99, 0x81, 0x48, 0x08, 0x50, 0x00, 0x9c,
0xc5, 0x57, 0x7c, 0x6e, 0x1f, 0x57, 0x3b, 0x4e, 0x68, 0x01, 0xdd, 0x23,
0xc4, 0xa7, 0xd6, 0x79, 0xcc, 0xf8, 0xa3, 0x86, 0xc6, 0x74, 0xcf, 0xfb,
};
uint8_t sha_512_expected[] = {
0xb0, 0xba, 0x46, 0x56, 0x37, 0x45, 0x8c, 0x69, 0x90, 0xe5, 0xa8, 0xc5, 0xf6,
0x1d, 0x4a, 0xf7, 0xe5, 0x76, 0xd9, 0x7f, 0xf9, 0x4b, 0x87, 0x2d, 0xe7, 0x6f,
0x80, 0x50, 0x36, 0x1e, 0xe3, 0xdb, 0xa9, 0x1c, 0xa5, 0xc1, 0x1a, 0xa2, 0x5e,
0xb4, 0xd6, 0x79, 0x27, 0x5c, 0xc5, 0x78, 0x80, 0x63, 0xa5, 0xf1, 0x97, 0x41,
0x12, 0x0c, 0x4f, 0x2d, 0xe2, 0xad, 0xeb, 0xeb, 0x10, 0xa2, 0x98, 0xdd,
};
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(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, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(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, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(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, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(SigningOperationsTest, HmacSha256TooLargeMacLength) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA_2_256)));
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_MAC_LENGTH, 264);
begin_params.push_back(TAG_DIGEST, KM_DIGEST_SHA_2_256);
ASSERT_EQ(KM_ERROR_OK,
BeginOperation(KM_PURPOSE_SIGN, begin_params, nullptr /* output_params */));
string message = "1234567890123456789012345678901";
string result;
size_t input_consumed;
ASSERT_EQ(KM_ERROR_OK, UpdateOperation(message, &result, &input_consumed));
ASSERT_EQ(KM_ERROR_UNSUPPORTED_MAC_LENGTH, FinishOperation(&result));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
// TODO(swillden): Add more verification failure tests.
typedef Keymaster1Test VerificationOperationsTest;
INSTANTIATE_TEST_CASE_P(AndroidKeymasterTest, VerificationOperationsTest, test_params);
TEST_P(VerificationOperationsTest, RsaSuccess) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
string message = "12345678901234567890123456789012";
string signature;
SignMessage(message, &signature, KM_DIGEST_NONE, KM_PAD_NONE);
VerifyMessage(message, signature, KM_DIGEST_NONE, KM_PAD_NONE);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, RsaPssSha256Success) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(512, 3)
.Digest(KM_DIGEST_SHA_2_256)
.Padding(KM_PAD_RSA_PSS)));
// Use large message, which won't work without digesting.
string message(1024, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_SHA_2_256, KM_PAD_RSA_PSS);
VerifyMessage(message, signature, KM_DIGEST_SHA_2_256, KM_PAD_RSA_PSS);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, RsaPssSha256CorruptSignature) {
GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(512, 3)
.Digest(KM_DIGEST_SHA_2_256)
.Padding(KM_PAD_RSA_PSS));
string message(1024, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_SHA_2_256, KM_PAD_RSA_PSS);
++signature[signature.size() / 2];
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_SHA_2_256);
begin_params.push_back(TAG_PADDING, KM_PAD_RSA_PSS);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_VERIFY, begin_params));
string result;
size_t input_consumed;
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(message, &result, &input_consumed));
EXPECT_EQ(message.size(), input_consumed);
EXPECT_EQ(KM_ERROR_VERIFICATION_FAILED, FinishOperation(signature, &result));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, RsaPssSha256CorruptInput) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(512, 3)
.Digest(KM_DIGEST_SHA_2_256)
.Padding(KM_PAD_RSA_PSS)));
// Use large message, which won't work without digesting.
string message(1024, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_SHA_2_256, KM_PAD_RSA_PSS);
++message[message.size() / 2];
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_SHA_2_256);
begin_params.push_back(TAG_PADDING, KM_PAD_RSA_PSS);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_VERIFY, begin_params));
string result;
size_t input_consumed;
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(message, &result, &input_consumed));
EXPECT_EQ(message.size(), input_consumed);
EXPECT_EQ(KM_ERROR_VERIFICATION_FAILED, FinishOperation(signature, &result));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, RsaPkcs1Sha256Success) {
GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(512, 3)
.Digest(KM_DIGEST_SHA_2_256)
.Padding(KM_PAD_RSA_PKCS1_1_5_SIGN));
string message(1024, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_SHA_2_256, KM_PAD_RSA_PKCS1_1_5_SIGN);
VerifyMessage(message, signature, KM_DIGEST_SHA_2_256, KM_PAD_RSA_PKCS1_1_5_SIGN);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, RsaPkcs1Sha256CorruptSignature) {
GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(512, 3)
.Digest(KM_DIGEST_SHA_2_256)
.Padding(KM_PAD_RSA_PKCS1_1_5_SIGN));
string message(1024, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_SHA_2_256, KM_PAD_RSA_PKCS1_1_5_SIGN);
++signature[signature.size() / 2];
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_SHA_2_256);
begin_params.push_back(TAG_PADDING, KM_PAD_RSA_PKCS1_1_5_SIGN);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_VERIFY, begin_params));
string result;
size_t input_consumed;
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(message, &result, &input_consumed));
EXPECT_EQ(message.size(), input_consumed);
EXPECT_EQ(KM_ERROR_VERIFICATION_FAILED, FinishOperation(signature, &result));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, RsaPkcs1Sha256CorruptInput) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(512, 3)
.Digest(KM_DIGEST_SHA_2_256)
.Padding(KM_PAD_RSA_PKCS1_1_5_SIGN)));
// Use large message, which won't work without digesting.
string message(1024, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_SHA_2_256, KM_PAD_RSA_PKCS1_1_5_SIGN);
++message[message.size() / 2];
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_SHA_2_256);
begin_params.push_back(TAG_PADDING, KM_PAD_RSA_PKCS1_1_5_SIGN);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_VERIFY, begin_params));
string result;
size_t input_consumed;
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(message, &result, &input_consumed));
EXPECT_EQ(message.size(), input_consumed);
EXPECT_EQ(KM_ERROR_VERIFICATION_FAILED, FinishOperation(signature, &result));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
template <typename T> vector<T> make_vector(const T* array, size_t len) {
return vector<T>(array, array + len);
}
TEST_P(VerificationOperationsTest, RsaAllDigestAndPadCombinations) {
// Get all supported digests and padding modes.
size_t digests_len;
keymaster_digest_t* digests;
ASSERT_EQ(KM_ERROR_OK,
device()->get_supported_digests(device(), KM_ALGORITHM_RSA, KM_PURPOSE_SIGN, &digests,
&digests_len));
size_t padding_modes_len;
keymaster_padding_t* padding_modes;
ASSERT_EQ(KM_ERROR_OK,
device()->get_supported_padding_modes(device(), KM_ALGORITHM_RSA, KM_PURPOSE_SIGN,
&padding_modes, &padding_modes_len));
// Try them.
int trial_count = 0;
for (keymaster_padding_t padding_mode : make_vector(padding_modes, padding_modes_len)) {
for (keymaster_digest_t digest : make_vector(digests, digests_len)) {
if (digest != KM_DIGEST_NONE && padding_mode == KM_PAD_NONE)
// Digesting requires padding
continue;
// Compute key & message size that will work.
size_t key_bits = 0;
size_t message_len = 1000;
if (digest == KM_DIGEST_NONE) {
key_bits = 256;
switch (padding_mode) {
case KM_PAD_NONE:
// Match key size.
message_len = key_bits / 8;
break;
case KM_PAD_RSA_PKCS1_1_5_SIGN:
message_len = key_bits / 8 - 11;
break;
case KM_PAD_RSA_PSS:
// PSS requires a digest.
continue;
default:
FAIL() << "Missing padding";
break;
}
} else {
size_t digest_bits;
switch (digest) {
case KM_DIGEST_MD5:
digest_bits = 128;
break;
case KM_DIGEST_SHA1:
digest_bits = 160;
break;
case KM_DIGEST_SHA_2_224:
digest_bits = 224;
break;
case KM_DIGEST_SHA_2_256:
digest_bits = 256;
break;
case KM_DIGEST_SHA_2_384:
digest_bits = 384;
break;
case KM_DIGEST_SHA_2_512:
digest_bits = 512;
break;
default:
FAIL() << "Missing digest";
}
switch (padding_mode) {
case KM_PAD_RSA_PKCS1_1_5_SIGN:
key_bits = digest_bits + 8 * (11 + 19);
break;
case KM_PAD_RSA_PSS:
key_bits = digest_bits + 8 * 10;
break;
default:
FAIL() << "Missing padding";
break;
}
}
GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(key_bits, 3)
.Digest(digest)
.Padding(padding_mode));
string message(message_len, 'a');
string signature;
SignMessage(message, &signature, digest, padding_mode);
VerifyMessage(message, signature, digest, padding_mode);
++trial_count;
}
}
free(padding_modes);
free(digests);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(trial_count * 4, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, EcdsaSuccess) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(256).Digest(KM_DIGEST_NONE)));
string message = "123456789012345678901234567890123456789012345678";
string signature;
SignMessage(message, &signature, KM_DIGEST_NONE);
VerifyMessage(message, signature, KM_DIGEST_NONE);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, EcdsaSha256Success) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.EcdsaSigningKey(256)
.Digest(KM_DIGEST_SHA_2_256)
.Digest(KM_DIGEST_NONE)));
string message = "123456789012345678901234567890123456789012345678";
string signature;
SignMessage(message, &signature, KM_DIGEST_SHA_2_256);
VerifyMessage(message, signature, KM_DIGEST_SHA_2_256);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
// Just for giggles, try verifying with the wrong digest.
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_DIGEST, KM_DIGEST_NONE);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_VERIFY, begin_params));
string result;
size_t input_consumed;
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(message, &result, &input_consumed));
EXPECT_EQ(message.size(), input_consumed);
EXPECT_EQ(KM_ERROR_VERIFICATION_FAILED, FinishOperation(signature, &result));
}
TEST_P(VerificationOperationsTest, HmacSha1Success) {
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA1));
string message = "123456789012345678901234567890123456789012345678";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA1, 160);
VerifyMessage(message, signature, KM_DIGEST_SHA1);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, HmacSha224Success) {
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA_2_224));
string message = "123456789012345678901234567890123456789012345678";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA_2_224, 224);
VerifyMessage(message, signature, KM_DIGEST_SHA_2_224);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, HmacSha256Success) {
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA_2_256));
string message = "123456789012345678901234567890123456789012345678";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA_2_256, 256);
VerifyMessage(message, signature, KM_DIGEST_SHA_2_256);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, HmacSha384Success) {
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA_2_384));
string message = "123456789012345678901234567890123456789012345678";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA_2_384, 384);
VerifyMessage(message, signature, KM_DIGEST_SHA_2_384);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(VerificationOperationsTest, HmacSha512Success) {
GenerateKey(AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_SHA_2_512));
string message = "123456789012345678901234567890123456789012345678";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA_2_512, 512);
VerifyMessage(message, signature, KM_DIGEST_SHA_2_512);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
typedef Keymaster1Test ExportKeyTest;
INSTANTIATE_TEST_CASE_P(AndroidKeymasterTest, ExportKeyTest, test_params);
TEST_P(ExportKeyTest, RsaSuccess) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
string export_data;
ASSERT_EQ(KM_ERROR_OK, ExportKey(KM_KEY_FORMAT_X509, &export_data));
EXPECT_GT(export_data.length(), 0U);
// TODO(swillden): Verify that the exported key is actually usable to verify signatures.
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(ExportKeyTest, EcdsaSuccess) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(224).Digest(KM_DIGEST_NONE)));
string export_data;
ASSERT_EQ(KM_ERROR_OK, ExportKey(KM_KEY_FORMAT_X509, &export_data));
EXPECT_GT(export_data.length(), 0U);
// TODO(swillden): Verify that the exported key is actually usable to verify signatures.
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(ExportKeyTest, RsaUnsupportedKeyFormat) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
string export_data;
ASSERT_EQ(KM_ERROR_UNSUPPORTED_KEY_FORMAT, ExportKey(KM_KEY_FORMAT_PKCS8, &export_data));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(ExportKeyTest, RsaCorruptedKeyBlob) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
corrupt_key_blob();
string export_data;
ASSERT_EQ(KM_ERROR_INVALID_KEY_BLOB, ExportKey(KM_KEY_FORMAT_X509, &export_data));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(ExportKeyTest, AesKeyExportFails) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().AesEncryptionKey(128)));
string export_data;
EXPECT_EQ(KM_ERROR_UNSUPPORTED_KEY_FORMAT, ExportKey(KM_KEY_FORMAT_X509, &export_data));
EXPECT_EQ(KM_ERROR_UNSUPPORTED_KEY_FORMAT, ExportKey(KM_KEY_FORMAT_PKCS8, &export_data));
EXPECT_EQ(KM_ERROR_UNSUPPORTED_KEY_FORMAT, ExportKey(KM_KEY_FORMAT_RAW, &export_data));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
static string read_file(const string& file_name) {
ifstream file_stream(file_name, std::ios::binary);
istreambuf_iterator<char> file_begin(file_stream);
istreambuf_iterator<char> file_end;
return string(file_begin, file_end);
}
typedef Keymaster1Test ImportKeyTest;
INSTANTIATE_TEST_CASE_P(AndroidKeymasterTest, ImportKeyTest, test_params);
TEST_P(ImportKeyTest, RsaSuccess) {
string pk8_key = read_file("rsa_privkey_pk8.der");
ASSERT_EQ(633U, pk8_key.size());
ASSERT_EQ(KM_ERROR_OK, ImportKey(AuthorizationSetBuilder()
.RsaSigningKey(1024, 65537)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE),
KM_KEY_FORMAT_PKCS8, pk8_key));
// Check values derived from the key.
EXPECT_TRUE(contains(GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA) ? hw_enforced()
: sw_enforced(),
TAG_ALGORITHM, KM_ALGORITHM_RSA));
EXPECT_TRUE(contains(GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA) ? hw_enforced()
: sw_enforced(),
TAG_KEY_SIZE, 1024));
EXPECT_TRUE(contains(GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA) ? hw_enforced()
: sw_enforced(),
TAG_RSA_PUBLIC_EXPONENT, 65537U));
// And values provided by AndroidKeymaster
EXPECT_TRUE(contains(sw_enforced(), TAG_ORIGIN, KM_ORIGIN_IMPORTED));
EXPECT_TRUE(contains(sw_enforced(), KM_TAG_CREATION_DATETIME));
string message(1024 / 8, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_NONE, KM_PAD_NONE);
VerifyMessage(message, signature, KM_DIGEST_NONE, KM_PAD_NONE);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(ImportKeyTest, OldApiRsaSuccess) {
string pk8_key = read_file("rsa_privkey_pk8.der");
ASSERT_EQ(633U, pk8_key.size());
// NOTE: This will break when the keymaster0 APIs are removed from keymaster1. But at that
// point softkeymaster will no longer support keymaster0 APIs anyway.
uint8_t* key_blob;
size_t key_blob_length;
ASSERT_EQ(0,
device()->import_keypair(device(), reinterpret_cast<const uint8_t*>(pk8_key.data()),
pk8_key.size(), &key_blob, &key_blob_length));
set_key_blob(key_blob, key_blob_length);
string message(1024 / 8, 'a');
AuthorizationSet begin_params; // Don't use client data.
begin_params.push_back(TAG_DIGEST, KM_DIGEST_NONE);
begin_params.push_back(TAG_PADDING, KM_PAD_NONE);
AuthorizationSet update_params;
AuthorizationSet output_params;
string signature =
ProcessMessage(KM_PURPOSE_SIGN, message, begin_params, update_params, &output_params);
ProcessMessage(KM_PURPOSE_VERIFY, message, signature, begin_params, update_params,
&output_params);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(ImportKeyTest, RsaKeySizeMismatch) {
string pk8_key = read_file("rsa_privkey_pk8.der");
ASSERT_EQ(633U, pk8_key.size());
ASSERT_EQ(KM_ERROR_IMPORT_PARAMETER_MISMATCH,
ImportKey(AuthorizationSetBuilder()
.RsaSigningKey(2048 /* Doesn't match key */, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE),
KM_KEY_FORMAT_PKCS8, pk8_key));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(ImportKeyTest, RsaPublicExponenMismatch) {
string pk8_key = read_file("rsa_privkey_pk8.der");
ASSERT_EQ(633U, pk8_key.size());
ASSERT_EQ(KM_ERROR_IMPORT_PARAMETER_MISMATCH,
ImportKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3 /* Doesnt' match key */)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE),
KM_KEY_FORMAT_PKCS8, pk8_key));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(ImportKeyTest, EcdsaSuccess) {
string pk8_key = read_file("ec_privkey_pk8.der");
ASSERT_EQ(138U, pk8_key.size());
ASSERT_EQ(KM_ERROR_OK,
ImportKey(AuthorizationSetBuilder().EcdsaSigningKey(256).Digest(KM_DIGEST_NONE),
KM_KEY_FORMAT_PKCS8, pk8_key));
// Check values derived from the key.
EXPECT_TRUE(
contains(GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC) ? hw_enforced() : sw_enforced(),
TAG_ALGORITHM, KM_ALGORITHM_EC));
EXPECT_TRUE(
contains(GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC) ? hw_enforced() : sw_enforced(),
TAG_KEY_SIZE, 256));
// And values provided by AndroidKeymaster
EXPECT_TRUE(contains(sw_enforced(), TAG_ORIGIN, KM_ORIGIN_IMPORTED));
EXPECT_TRUE(contains(sw_enforced(), KM_TAG_CREATION_DATETIME));
string message(1024 / 8, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_NONE);
VerifyMessage(message, signature, KM_DIGEST_NONE);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(ImportKeyTest, EcdsaSizeSpecified) {
string pk8_key = read_file("ec_privkey_pk8.der");
ASSERT_EQ(138U, pk8_key.size());
ASSERT_EQ(KM_ERROR_OK,
ImportKey(AuthorizationSetBuilder().EcdsaSigningKey(256).Digest(KM_DIGEST_NONE),
KM_KEY_FORMAT_PKCS8, pk8_key));
// Check values derived from the key.
EXPECT_TRUE(
contains(GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC) ? hw_enforced() : sw_enforced(),
TAG_ALGORITHM, KM_ALGORITHM_EC));
EXPECT_TRUE(
contains(GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC) ? hw_enforced() : sw_enforced(),
TAG_KEY_SIZE, 256));
// And values provided by AndroidKeymaster
EXPECT_TRUE(contains(sw_enforced(), TAG_ORIGIN, KM_ORIGIN_IMPORTED));
EXPECT_TRUE(contains(sw_enforced(), KM_TAG_CREATION_DATETIME));
string message(1024 / 8, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_NONE);
VerifyMessage(message, signature, KM_DIGEST_NONE);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(ImportKeyTest, EcdsaSizeMismatch) {
string pk8_key = read_file("ec_privkey_pk8.der");
ASSERT_EQ(138U, pk8_key.size());
ASSERT_EQ(KM_ERROR_IMPORT_PARAMETER_MISMATCH,
ImportKey(AuthorizationSetBuilder()
.EcdsaSigningKey(224 /* Doesn't match key */)
.Digest(KM_DIGEST_NONE),
KM_KEY_FORMAT_PKCS8, pk8_key));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(ImportKeyTest, AesKeySuccess) {
char key_data[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
string key(key_data, sizeof(key_data));
ASSERT_EQ(KM_ERROR_OK,
ImportKey(AuthorizationSetBuilder().AesEncryptionKey(128).EcbMode().Authorization(
TAG_PADDING, KM_PAD_PKCS7),
KM_KEY_FORMAT_RAW, key));
EXPECT_TRUE(contains(sw_enforced(), TAG_ORIGIN, KM_ORIGIN_IMPORTED));
EXPECT_TRUE(contains(sw_enforced(), KM_TAG_CREATION_DATETIME));
string message = "Hello World!";
string ciphertext = EncryptMessage(message, KM_MODE_ECB, KM_PAD_PKCS7);
string plaintext = DecryptMessage(ciphertext, KM_MODE_ECB, KM_PAD_PKCS7);
EXPECT_EQ(message, plaintext);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(ImportKeyTest, HmacSha256KeySuccess) {
char key_data[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
string key(key_data, sizeof(key_data));
ASSERT_EQ(KM_ERROR_OK, ImportKey(AuthorizationSetBuilder()
.HmacKey(sizeof(key_data) * 8)
.Digest(KM_DIGEST_SHA_2_256)
.Authorization(TAG_MAC_LENGTH, 32),
KM_KEY_FORMAT_RAW, key));
EXPECT_TRUE(contains(sw_enforced(), TAG_ORIGIN, KM_ORIGIN_IMPORTED));
EXPECT_TRUE(contains(sw_enforced(), KM_TAG_CREATION_DATETIME));
string message = "Hello World!";
string signature;
MacMessage(message, &signature, KM_DIGEST_SHA_2_256, 32);
VerifyMessage(message, signature, KM_DIGEST_SHA_2_256);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
typedef Keymaster1Test EncryptionOperationsTest;
INSTANTIATE_TEST_CASE_P(AndroidKeymasterTest, EncryptionOperationsTest, test_params);
TEST_P(EncryptionOperationsTest, RsaOaepSuccess) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().RsaEncryptionKey(512, 3).Padding(
KM_PAD_RSA_OAEP)));
string message = "Hello World!";
string ciphertext1 = EncryptMessage(string(message), KM_PAD_RSA_OAEP);
EXPECT_EQ(512U / 8, ciphertext1.size());
string ciphertext2 = EncryptMessage(string(message), KM_PAD_RSA_OAEP);
EXPECT_EQ(512U / 8, ciphertext2.size());
// OAEP randomizes padding so every result should be different.
EXPECT_NE(ciphertext1, ciphertext2);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(3, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, RsaOaepRoundTrip) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().RsaEncryptionKey(512, 3).Padding(
KM_PAD_RSA_OAEP)));
string message = "Hello World!";
string ciphertext = EncryptMessage(string(message), KM_PAD_RSA_OAEP);
EXPECT_EQ(512U / 8, ciphertext.size());
string plaintext = DecryptMessage(ciphertext, KM_PAD_RSA_OAEP);
EXPECT_EQ(message, plaintext);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, RsaOaepTooLarge) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().RsaEncryptionKey(512, 3).Padding(
KM_PAD_RSA_OAEP)));
string message = "12345678901234567890123";
string result;
size_t input_consumed;
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_PADDING, KM_PAD_RSA_OAEP);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_ENCRYPT, begin_params));
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(message, &result, &input_consumed));
EXPECT_EQ(KM_ERROR_INVALID_INPUT_LENGTH, FinishOperation(&result));
EXPECT_EQ(0U, result.size());
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, RsaOaepCorruptedDecrypt) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().RsaEncryptionKey(512, 3).Padding(
KM_PAD_RSA_OAEP)));
string message = "Hello World!";
string ciphertext = EncryptMessage(string(message), KM_PAD_RSA_OAEP);
EXPECT_EQ(512U / 8, ciphertext.size());
// Corrupt the ciphertext
ciphertext[512 / 8 / 2]++;
string result;
size_t input_consumed;
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_PADDING, KM_PAD_RSA_OAEP);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_DECRYPT, begin_params));
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(ciphertext, &result, &input_consumed));
EXPECT_EQ(KM_ERROR_UNKNOWN_ERROR, FinishOperation(&result));
EXPECT_EQ(0U, result.size());
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, RsaPkcs1Success) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().RsaEncryptionKey(512, 3).Padding(
KM_PAD_RSA_PKCS1_1_5_ENCRYPT)));
string message = "Hello World!";
string ciphertext1 = EncryptMessage(string(message), KM_PAD_RSA_PKCS1_1_5_ENCRYPT);
EXPECT_EQ(512U / 8, ciphertext1.size());
string ciphertext2 = EncryptMessage(string(message), KM_PAD_RSA_PKCS1_1_5_ENCRYPT);
EXPECT_EQ(512U / 8, ciphertext2.size());
// PKCS1 v1.5 randomizes padding so every result should be different.
EXPECT_NE(ciphertext1, ciphertext2);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(3, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, RsaPkcs1RoundTrip) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().RsaEncryptionKey(512, 3).Padding(
KM_PAD_RSA_PKCS1_1_5_ENCRYPT)));
string message = "Hello World!";
string ciphertext = EncryptMessage(string(message), KM_PAD_RSA_PKCS1_1_5_ENCRYPT);
EXPECT_EQ(512U / 8, ciphertext.size());
string plaintext = DecryptMessage(ciphertext, KM_PAD_RSA_PKCS1_1_5_ENCRYPT);
EXPECT_EQ(message, plaintext);
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, RsaPkcs1TooLarge) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().RsaEncryptionKey(512, 3).Padding(
KM_PAD_RSA_PKCS1_1_5_ENCRYPT)));
string message = "123456789012345678901234567890123456789012345678901234";
string result;
size_t input_consumed;
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_PADDING, KM_PAD_RSA_PKCS1_1_5_ENCRYPT);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_ENCRYPT, begin_params));
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(message, &result, &input_consumed));
EXPECT_EQ(KM_ERROR_INVALID_INPUT_LENGTH, FinishOperation(&result));
EXPECT_EQ(0U, result.size());
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(2, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, RsaPkcs1CorruptedDecrypt) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder().RsaEncryptionKey(512, 3).Padding(
KM_PAD_RSA_PKCS1_1_5_ENCRYPT)));
string message = "Hello World!";
string ciphertext = EncryptMessage(string(message), KM_PAD_RSA_PKCS1_1_5_ENCRYPT);
EXPECT_EQ(512U / 8, ciphertext.size());
// Corrupt the ciphertext
ciphertext[512 / 8 / 2]++;
string result;
size_t input_consumed;
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_PADDING, KM_PAD_RSA_PKCS1_1_5_ENCRYPT);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_DECRYPT, begin_params));
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(ciphertext, &result, &input_consumed));
EXPECT_EQ(KM_ERROR_UNKNOWN_ERROR, FinishOperation(&result));
EXPECT_EQ(0U, result.size());
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(4, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, RsaEncryptWithSigningKey) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(256, 3)
.Digest(KM_DIGEST_NONE)
.Padding(KM_PAD_NONE)));
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_PURPOSE, BeginOperation(KM_PURPOSE_ENCRYPT));
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_PURPOSE, BeginOperation(KM_PURPOSE_DECRYPT));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_RSA))
EXPECT_EQ(3, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, EcdsaEncrypt) {
ASSERT_EQ(KM_ERROR_OK,
GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(224).Digest(KM_DIGEST_NONE)));
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_PURPOSE, BeginOperation(KM_PURPOSE_ENCRYPT));
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_PURPOSE, BeginOperation(KM_PURPOSE_DECRYPT));
if (GetParam()->algorithm_in_hardware(KM_ALGORITHM_EC))
EXPECT_EQ(3, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, HmacEncrypt) {
ASSERT_EQ(
KM_ERROR_OK,
GenerateKey(
AuthorizationSetBuilder().HmacKey(128).Digest(KM_DIGEST_NONE).Padding(KM_PAD_NONE)));
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_PURPOSE, BeginOperation(KM_PURPOSE_ENCRYPT));
ASSERT_EQ(KM_ERROR_INCOMPATIBLE_PURPOSE, BeginOperation(KM_PURPOSE_DECRYPT));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesEcbRoundTripSuccess) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_ECB)
.Padding(KM_PAD_NONE)));
// Two-block message.
string message = "12345678901234567890123456789012";
string ciphertext1 = EncryptMessage(message, KM_MODE_ECB, KM_PAD_NONE);
EXPECT_EQ(message.size(), ciphertext1.size());
string ciphertext2 = EncryptMessage(string(message), KM_MODE_ECB, KM_PAD_NONE);
EXPECT_EQ(message.size(), ciphertext2.size());
// ECB is deterministic.
EXPECT_EQ(ciphertext1, ciphertext2);
string plaintext = DecryptMessage(ciphertext1, KM_MODE_ECB, KM_PAD_NONE);
EXPECT_EQ(message, plaintext);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesEcbNoPaddingWrongInputSize) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_ECB)
.Padding(KM_PAD_NONE)));
// Message is slightly shorter than two blocks.
string message = "1234567890123456789012345678901";
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_BLOCK_MODE, KM_MODE_ECB);
begin_params.push_back(TAG_PADDING, KM_PAD_NONE);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_ENCRYPT, begin_params));
string ciphertext;
size_t input_consumed;
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(message, &ciphertext, &input_consumed));
EXPECT_EQ(message.size(), input_consumed);
EXPECT_EQ(KM_ERROR_INVALID_INPUT_LENGTH, FinishOperation(&ciphertext));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesEcbPkcs7Padding) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_ECB)
.Authorization(TAG_PADDING, KM_PAD_PKCS7)));
// Try various message lengths; all should work.
for (size_t i = 0; i < 32; ++i) {
string message(i, 'a');
string ciphertext = EncryptMessage(message, KM_MODE_ECB, KM_PAD_PKCS7);
EXPECT_EQ(i + 16 - (i % 16), ciphertext.size());
string plaintext = DecryptMessage(ciphertext, KM_MODE_ECB, KM_PAD_PKCS7);
EXPECT_EQ(message, plaintext);
}
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesEcbPkcs7PaddingCorrupted) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_ECB)
.Authorization(TAG_PADDING, KM_PAD_PKCS7)));
string message = "a";
string ciphertext = EncryptMessage(message, KM_MODE_ECB, KM_PAD_PKCS7);
EXPECT_EQ(16U, ciphertext.size());
EXPECT_NE(ciphertext, message);
++ciphertext[ciphertext.size() / 2];
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_BLOCK_MODE, KM_MODE_ECB);
begin_params.push_back(TAG_PADDING, KM_PAD_PKCS7);
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_DECRYPT, begin_params));
string plaintext;
size_t input_consumed;
EXPECT_EQ(KM_ERROR_OK, UpdateOperation(ciphertext, &plaintext, &input_consumed));
EXPECT_EQ(ciphertext.size(), input_consumed);
EXPECT_EQ(KM_ERROR_INVALID_ARGUMENT, FinishOperation(&plaintext));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesCtrRoundTripSuccess) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_CTR)
.Padding(KM_PAD_NONE)));
string message = "123";
string iv1;
string ciphertext1 = EncryptMessage(message, KM_MODE_CTR, KM_PAD_NONE, &iv1);
EXPECT_EQ(message.size(), ciphertext1.size());
EXPECT_EQ(16U, iv1.size());
string iv2;
string ciphertext2 = EncryptMessage(message, KM_MODE_CTR, KM_PAD_NONE, &iv2);
EXPECT_EQ(message.size(), ciphertext2.size());
EXPECT_EQ(16U, iv2.size());
// IVs should be random, so ciphertexts should differ.
EXPECT_NE(iv1, iv2);
EXPECT_NE(ciphertext1, ciphertext2);
string plaintext = DecryptMessage(ciphertext1, KM_MODE_CTR, KM_PAD_NONE, iv1);
EXPECT_EQ(message, plaintext);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesCtrIncremental) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_CTR)
.Padding(KM_PAD_NONE)));
int increment = 15;
string message(239, 'a');
AuthorizationSet input_params(client_params());
input_params.push_back(TAG_BLOCK_MODE, KM_MODE_CTR);
input_params.push_back(TAG_PADDING, KM_PAD_NONE);
AuthorizationSet output_params;
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_ENCRYPT, input_params, &output_params));
string ciphertext;
size_t input_consumed;
for (size_t i = 0; i < message.size(); i += increment)
EXPECT_EQ(KM_ERROR_OK,
UpdateOperation(message.substr(i, increment), &ciphertext, &input_consumed));
EXPECT_EQ(KM_ERROR_OK, FinishOperation(&ciphertext));
EXPECT_EQ(message.size(), ciphertext.size());
// Move TAG_NONCE into input_params
input_params.Reinitialize(output_params);
input_params.push_back(client_params());
input_params.push_back(TAG_BLOCK_MODE, KM_MODE_CTR);
input_params.push_back(TAG_PADDING, KM_PAD_NONE);
output_params.Clear();
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_DECRYPT, input_params, &output_params));
string plaintext;
for (size_t i = 0; i < ciphertext.size(); i += increment)
EXPECT_EQ(KM_ERROR_OK,
UpdateOperation(ciphertext.substr(i, increment), &plaintext, &input_consumed));
EXPECT_EQ(KM_ERROR_OK, FinishOperation(&plaintext));
EXPECT_EQ(ciphertext.size(), plaintext.size());
EXPECT_EQ(message, plaintext);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
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",
},
};
TEST_P(EncryptionOperationsTest, AesCtrSp80038aTestVector) {
for (size_t i = 0; i < 3; i++) {
const AesCtrSp80038aTestVector& test(kAesCtrSp80038aTestVectors[i]);
const string key = hex2str(test.key);
const string nonce = hex2str(test.nonce);
const string plaintext = hex2str(test.plaintext);
const string ciphertext = hex2str(test.ciphertext);
CheckAesCtrTestVector(key, nonce, plaintext, ciphertext);
}
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesCtrInvalidPaddingMode) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_CTR)
.Authorization(TAG_PADDING, KM_PAD_PKCS7)));
AuthorizationSet begin_params(client_params());
begin_params.push_back(TAG_BLOCK_MODE, KM_MODE_CTR);
begin_params.push_back(TAG_PADDING, KM_PAD_NONE);
EXPECT_EQ(KM_ERROR_INCOMPATIBLE_PADDING_MODE, BeginOperation(KM_PURPOSE_ENCRYPT, begin_params));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesCtrInvalidCallerNonce) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_CTR)
.Authorization(TAG_CALLER_NONCE)
.Padding(KM_PAD_NONE)));
AuthorizationSet input_params(client_params());
input_params.push_back(TAG_BLOCK_MODE, KM_MODE_CTR);
input_params.push_back(TAG_PADDING, KM_PAD_NONE);
input_params.push_back(TAG_NONCE, "123", 3);
EXPECT_EQ(KM_ERROR_INVALID_NONCE, BeginOperation(KM_PURPOSE_ENCRYPT, input_params));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesCbcRoundTripSuccess) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_CBC)
.Padding(KM_PAD_NONE)));
// Two-block message.
string message = "12345678901234567890123456789012";
string iv1;
string ciphertext1 = EncryptMessage(message, KM_MODE_CBC, KM_PAD_NONE, &iv1);
EXPECT_EQ(message.size(), ciphertext1.size());
string iv2;
string ciphertext2 = EncryptMessage(message, KM_MODE_CBC, KM_PAD_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, KM_MODE_CBC, KM_PAD_NONE, iv1);
EXPECT_EQ(message, plaintext);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesCallerNonce) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_CBC)
.Authorization(TAG_CALLER_NONCE)
.Padding(KM_PAD_NONE)));
string message = "12345678901234567890123456789012";
string iv1;
// Don't specify nonce, should get a random one.
string ciphertext1 = EncryptMessage(message, KM_MODE_CBC, KM_PAD_NONE, &iv1);
EXPECT_EQ(message.size(), ciphertext1.size());
EXPECT_EQ(16U, iv1.size());
string plaintext = DecryptMessage(ciphertext1, KM_MODE_CBC, KM_PAD_NONE, iv1);
EXPECT_EQ(message, plaintext);
// Now specify a nonce, should also work.
AuthorizationSet input_params(client_params());
AuthorizationSet update_params;
AuthorizationSet output_params;
input_params.push_back(TAG_NONCE, "abcdefghijklmnop", 16);
input_params.push_back(TAG_BLOCK_MODE, KM_MODE_CBC);
input_params.push_back(TAG_PADDING, KM_PAD_NONE);
string ciphertext2 =
ProcessMessage(KM_PURPOSE_ENCRYPT, message, input_params, update_params, &output_params);
// Decrypt with correct nonce.
plaintext = ProcessMessage(KM_PURPOSE_DECRYPT, ciphertext2, input_params, update_params,
&output_params);
EXPECT_EQ(message, plaintext);
// Now try with wrong nonce.
input_params.Reinitialize(client_params());
input_params.push_back(TAG_BLOCK_MODE, KM_MODE_CBC);
input_params.push_back(TAG_PADDING, KM_PAD_NONE);
input_params.push_back(TAG_NONCE, "aaaaaaaaaaaaaaaa", 16);
plaintext = ProcessMessage(KM_PURPOSE_DECRYPT, ciphertext2, input_params, update_params,
&output_params);
EXPECT_NE(message, plaintext);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesCallerNonceProhibited) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_CBC)
.Padding(KM_PAD_NONE)));
string message = "12345678901234567890123456789012";
string iv1;
// Don't specify nonce, should get a random one.
string ciphertext1 = EncryptMessage(message, KM_MODE_CBC, KM_PAD_NONE, &iv1);
EXPECT_EQ(message.size(), ciphertext1.size());
EXPECT_EQ(16U, iv1.size());
string plaintext = DecryptMessage(ciphertext1, KM_MODE_CBC, KM_PAD_NONE, iv1);
EXPECT_EQ(message, plaintext);
// Now specify a nonce, should fail.
AuthorizationSet input_params(client_params());
AuthorizationSet update_params;
AuthorizationSet output_params;
input_params.push_back(TAG_NONCE, "abcdefghijklmnop", 16);
input_params.push_back(TAG_BLOCK_MODE, KM_MODE_CBC);
input_params.push_back(TAG_PADDING, KM_PAD_NONE);
EXPECT_EQ(KM_ERROR_CALLER_NONCE_PROHIBITED,
BeginOperation(KM_PURPOSE_ENCRYPT, input_params, &output_params));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesCbcIncrementalNoPadding) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_CBC)
.Padding(KM_PAD_NONE)));
int increment = 15;
string message(240, 'a');
AuthorizationSet input_params(client_params());
input_params.push_back(TAG_BLOCK_MODE, KM_MODE_CBC);
input_params.push_back(TAG_PADDING, KM_PAD_NONE);
AuthorizationSet output_params;
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_ENCRYPT, input_params, &output_params));
string ciphertext;
size_t input_consumed;
for (size_t i = 0; i < message.size(); i += increment)
EXPECT_EQ(KM_ERROR_OK,
UpdateOperation(message.substr(i, increment), &ciphertext, &input_consumed));
EXPECT_EQ(KM_ERROR_OK, FinishOperation(&ciphertext));
EXPECT_EQ(message.size(), ciphertext.size());
// Move TAG_NONCE into input_params
input_params.Reinitialize(output_params);
input_params.push_back(client_params());
input_params.push_back(TAG_BLOCK_MODE, KM_MODE_CBC);
input_params.push_back(TAG_PADDING, KM_PAD_NONE);
output_params.Clear();
EXPECT_EQ(KM_ERROR_OK, BeginOperation(KM_PURPOSE_DECRYPT, input_params, &output_params));
string plaintext;
for (size_t i = 0; i < ciphertext.size(); i += increment)
EXPECT_EQ(KM_ERROR_OK,
UpdateOperation(ciphertext.substr(i, increment), &plaintext, &input_consumed));
EXPECT_EQ(KM_ERROR_OK, FinishOperation(&plaintext));
EXPECT_EQ(ciphertext.size(), plaintext.size());
EXPECT_EQ(message, plaintext);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(EncryptionOperationsTest, AesCbcPkcs7Padding) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(AuthorizationSetBuilder()
.AesEncryptionKey(128)
.Authorization(TAG_BLOCK_MODE, KM_MODE_CBC)
.Authorization(TAG_PADDING, KM_PAD_PKCS7)));
// Try various message lengths; all should work.
for (size_t i = 0; i < 32; ++i) {
string message(i, 'a');
string iv;
string ciphertext = EncryptMessage(message, KM_MODE_CBC, KM_PAD_PKCS7, &iv);
EXPECT_EQ(i + 16 - (i % 16), ciphertext.size());
string plaintext = DecryptMessage(ciphertext, KM_MODE_CBC, KM_PAD_PKCS7, iv);
EXPECT_EQ(message, plaintext);
}
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
typedef Keymaster1Test AddEntropyTest;
INSTANTIATE_TEST_CASE_P(AndroidKeymasterTest, AddEntropyTest, test_params);
TEST_P(AddEntropyTest, AddEntropy) {
// There's no obvious way to test that entropy is actually added, but we can test that the API
// doesn't blow up or return an error.
EXPECT_EQ(KM_ERROR_OK,
device()->add_rng_entropy(device(), reinterpret_cast<const uint8_t*>("foo"), 3));
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
typedef Keymaster1Test Keymaster0AdapterTest;
INSTANTIATE_TEST_CASE_P(
AndroidKeymasterTest, Keymaster0AdapterTest,
::testing::Values(
InstanceCreatorPtr(new Keymaster0AdapterTestInstanceCreator(true /* support_ec */)),
InstanceCreatorPtr(new Keymaster0AdapterTestInstanceCreator(false /* support_ec */))));
TEST_P(Keymaster0AdapterTest, OldSoftwareKeymaster1RsaBlob) {
// Load and use an old-style Keymaster1 software key blob. These blobs contain OCB-encrypted
// key data.
string km1_sw = read_file("km1_sw_rsa_512.blob");
EXPECT_EQ(486U, km1_sw.length());
uint8_t* key_data = reinterpret_cast<uint8_t*>(malloc(km1_sw.length()));
memcpy(key_data, km1_sw.data(), km1_sw.length());
set_key_blob(key_data, km1_sw.length());
string message(64, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_NONE, KM_PAD_NONE);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
TEST_P(Keymaster0AdapterTest, OldSoftwareKeymaster1EcdsaBlob) {
// Load and use an old-style Keymaster1 software key blob. These blobs contain OCB-encrypted
// key data.
string km1_sw = read_file("km1_sw_ecdsa_256.blob");
EXPECT_EQ(270U, km1_sw.length());
uint8_t* key_data = reinterpret_cast<uint8_t*>(malloc(km1_sw.length()));
memcpy(key_data, km1_sw.data(), km1_sw.length());
set_key_blob(key_data, km1_sw.length());
string message(64, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_NONE, KM_PAD_NONE);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
struct Malloc_Delete {
void operator()(void* p) { free(p); }
};
TEST_P(Keymaster0AdapterTest, OldSoftwareKeymaster0RsaBlob) {
// Load and use an old softkeymaster blob. These blobs contain PKCS#8 key data.
string km0_sw = read_file("km0_sw_rsa_512.blob");
EXPECT_EQ(333U, km0_sw.length());
uint8_t* key_data = reinterpret_cast<uint8_t*>(malloc(km0_sw.length()));
memcpy(key_data, km0_sw.data(), km0_sw.length());
set_key_blob(key_data, km0_sw.length());
string message(64, 'a');
string signature;
SignMessage(message, &signature, KM_DIGEST_NONE, KM_PAD_NONE);
EXPECT_EQ(0, GetParam()->keymaster0_calls());
}
} // namespace test
} // namespace keymaster