blob: 7e9dbf74aa2a7b5f02a0694d5eb40ddc670168dd [file] [log] [blame]
// Copyright 2015 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "attestation/server/pkcs11_key_store.h"
#include <map>
#include <string>
#include <vector>
#include <base/logging.h>
#include <base/strings/string_number_conversions.h>
#include <chaps/attributes.h>
#include <chaps/chaps_proxy_mock.h>
#include <chaps/token_manager_client_mock.h>
#include <chromeos/cryptohome.h>
#include <chromeos/map_utils.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
using ::testing::_;
using ::testing::DoAll;
using ::testing::Invoke;
using ::testing::NiceMock;
using ::testing::Return;
using ::testing::SetArgumentPointee;
namespace {
const uint64_t kSession = 7; // Arbitrary non-zero value.
const char kDefaultUser[] = "test_user";
const char kValidPublicKeyHex[] =
"3082010A0282010100"
"961037BC12D2A298BEBF06B2D5F8C9B64B832A2237F8CF27D5F96407A6041A4D"
"AD383CB5F88E625F412E8ACD5E9D69DF0F4FA81FCE7955829A38366CBBA5A2B1"
"CE3B48C14B59E9F094B51F0A39155874C8DE18A0C299EBF7A88114F806BE4F25"
"3C29A509B10E4B19E31675AFE3B2DA77077D94F43D8CE61C205781ED04D183B4"
"C349F61B1956C64B5398A3A98FAFF17D1B3D9120C832763EDFC8F4137F6EFBEF"
"46D8F6DE03BD00E49DEF987C10BDD5B6F8758B6A855C23C982DDA14D8F0F2B74"
"E6DEFA7EEE5A6FC717EB0FF103CB8049F693A2C8A5039EF1F5C025DC44BD8435"
"E8D8375DADE00E0C0F5C196E04B8483CC98B1D5B03DCD7E0048B2AB343FFC11F"
"0203"
"010001";
const char kValidCertificateHex[] =
"3082040f308202f7a003020102020900bd0f8fd6bf496b67300d06092a864886"
"f70d01010b050030819d310b3009060355040613025553311330110603550408"
"0c0a43616c69666f726e69613116301406035504070c0d4d6f756e7461696e20"
"5669657731133011060355040a0c0a4368726f6d69756d4f533111300f060355"
"040b0c08556e6974546573743117301506035504030c0e506b637331314b6579"
"53746f72653120301e06092a864886f70d010901161174657374406368726f6d"
"69756d2e6f7267301e170d3135303231383137303132345a170d313731313133"
"3137303132345a30819d310b3009060355040613025553311330110603550408"
"0c0a43616c69666f726e69613116301406035504070c0d4d6f756e7461696e20"
"5669657731133011060355040a0c0a4368726f6d69756d4f533111300f060355"
"040b0c08556e6974546573743117301506035504030c0e506b637331314b6579"
"53746f72653120301e06092a864886f70d010901161174657374406368726f6d"
"69756d2e6f726730820122300d06092a864886f70d01010105000382010f0030"
"82010a0282010100a8fb9e12b1e5298b9a24fabc3901d00c32057392c763836e"
"0b55cff8e67d39b9b9853920fd615688b3e13c03a10cb5668187819172d1d269"
"70f0ff8d4371ac581f6970a0e43a1d0d61a94741a771fe86aee45ab0ca059b1f"
"c067f7416f08544cc4d08ec884b6d4327bb3ec0dc0789639375bd159df0efd87"
"1cf4d605778c7a68c96b94cf0a6c29f9a23bc027e8250084eb2dfca817b20f57"
"a6fe09513f884389db7b90788aea70c6e1638f24e39553ac0f859e585965c425"
"9ed7b9680fde3e059f254d8c9494f6ab425ede80d63366dfcb7cc311f5bc6fb0"
"1c27d81f4c5112d04b7614c37ba19c014916816372c773e4e44564fac34565ad"
"ebf38fe56c1413170203010001a350304e301d0603551d0e04160414fe13c7db"
"459bd2881e9113198e1f072e16cea144301f0603551d23041830168014fe13c7"
"db459bd2881e9113198e1f072e16cea144300c0603551d13040530030101ff30"
"0d06092a864886f70d01010b05000382010100a163d636ac64bd6f67eca53708"
"5f92abc993a40fd0c0222a56b262c29f88057a3edf9abac024756ad85d7453d8"
"4782e0be65d176aecfb0fbfc88ca567d17124fa190cb5ce832264360dd6daee1"
"e121428de28dda0b8ba117a1be3cf438efd060a3b5fc812e7eba70cec12cb609"
"738fc7d0912546c42b5aaadb142adce2167c7f30cd9e0049687d384334335aff"
"72aebd1745a0aac4be816365969347f064f36f7fdec69f970f28b87061650470"
"c63be8475bb23d0485985fb77c7cdd9d9fe008211a9ddd0fe68efb0b47cf629c"
"941d31e3c2f88e670e7e4ef1129febad000e6a16222779fbfe34641e5243ca38"
"74e2ad06f9585a00bec014744d3175ecc4808d";
std::string HexDecode(const std::string hex) {
std::vector<uint8> output;
CHECK(base::HexStringToBytes(hex, &output));
return std::string(reinterpret_cast<char*>(output.data()), output.size());
}
class ScopedFakeSalt {
public:
ScopedFakeSalt() : salt_(128, 0) {
chromeos::cryptohome::home::SetSystemSalt(&salt_);
}
~ScopedFakeSalt() {
chromeos::cryptohome::home::SetSystemSalt(nullptr);
}
private:
std::string salt_;
};
class ScopedDisableVerboseLogging {
public:
ScopedDisableVerboseLogging()
: original_severity_(logging::GetMinLogLevel()) {
logging::SetMinLogLevel(logging::LOG_INFO);
}
~ScopedDisableVerboseLogging() {
logging::SetMinLogLevel(original_severity_);
}
private:
logging::LogSeverity original_severity_;
};
} // namespace
namespace attestation {
typedef chaps::ChapsProxyMock Pkcs11Mock;
// Implements a fake PKCS #11 object store. Labeled data blobs can be stored
// and later retrieved. The mocked interface is ChapsInterface so these
// tests must be linked with the Chaps PKCS #11 library. The mock class itself
// is part of the Chaps package; it is reused here to avoid duplication (see
// chaps_proxy_mock.h).
class KeyStoreTest : public testing::Test {
public:
KeyStoreTest()
: pkcs11_(false), // Do not pre-initialize the mock PKCS #11 library.
// This just controls whether the first call to
// C_Initialize returns 'already initialized'.
next_handle_(1) {}
~KeyStoreTest() override = default;
void SetUp() override {
std::vector<uint64_t> slot_list = {0, 1};
ON_CALL(pkcs11_, GetSlotList(_, _, _))
.WillByDefault(DoAll(SetArgumentPointee<2>(slot_list), Return(0)));
ON_CALL(pkcs11_, OpenSession(_, _, _, _))
.WillByDefault(DoAll(SetArgumentPointee<3>(kSession), Return(0)));
ON_CALL(pkcs11_, CloseSession(_, _))
.WillByDefault(Return(0));
ON_CALL(pkcs11_, CreateObject(_, _, _, _))
.WillByDefault(Invoke(this, &KeyStoreTest::CreateObject));
ON_CALL(pkcs11_, DestroyObject(_, _, _))
.WillByDefault(Invoke(this, &KeyStoreTest::DestroyObject));
ON_CALL(pkcs11_, GetAttributeValue(_, _, _, _, _))
.WillByDefault(Invoke(this, &KeyStoreTest::GetAttributeValue));
ON_CALL(pkcs11_, SetAttributeValue(_, _, _, _))
.WillByDefault(Invoke(this, &KeyStoreTest::SetAttributeValue));
ON_CALL(pkcs11_, FindObjectsInit(_, _, _))
.WillByDefault(Invoke(this, &KeyStoreTest::FindObjectsInit));
ON_CALL(pkcs11_, FindObjects(_, _, _, _))
.WillByDefault(Invoke(this, &KeyStoreTest::FindObjects));
ON_CALL(pkcs11_, FindObjectsFinal(_, _))
.WillByDefault(Return(0));
base::FilePath system_path("/var/lib/chaps");
ON_CALL(token_manager_, GetTokenPath(_, 0, _))
.WillByDefault(DoAll(SetArgumentPointee<2>(system_path), Return(true)));
base::FilePath user_path(chromeos::cryptohome::home::GetDaemonPath(
kDefaultUser, "chaps"));
ON_CALL(token_manager_, GetTokenPath(_, 1, _))
.WillByDefault(DoAll(SetArgumentPointee<2>(user_path), Return(true)));
}
// Stores a new labeled object, only CKA_LABEL and CKA_VALUE are relevant.
virtual uint32_t CreateObject(const chromeos::SecureBlob& isolate,
uint64_t session_id,
const std::vector<uint8_t>& attributes,
uint64_t* new_object_handle) {
*new_object_handle = next_handle_++;
std::string label = GetValue(attributes, CKA_LABEL);
handles_[*new_object_handle] = label;
values_[label] = GetValue(attributes, CKA_VALUE);
labels_[label] = *new_object_handle;
return CKR_OK;
}
// Deletes a labeled object.
virtual uint32_t DestroyObject(const chromeos::SecureBlob& isolate,
uint64_t session_id,
uint64_t object_handle) {
std::string label = handles_[object_handle];
handles_.erase(object_handle);
values_.erase(label);
labels_.erase(label);
return CKR_OK;
}
// Supports reading CKA_VALUE.
virtual uint32_t GetAttributeValue(const chromeos::SecureBlob& isolate,
uint64_t session_id,
uint64_t object_handle,
const std::vector<uint8_t>& attributes_in,
std::vector<uint8_t>* attributes_out) {
std::string label = handles_[object_handle];
std::string value = values_[label];
chaps::Attributes parsed;
parsed.Parse(attributes_in);
if (parsed.num_attributes() == 1 &&
parsed.attributes()[0].type == CKA_LABEL)
value = label;
if (parsed.num_attributes() != 1 ||
(parsed.attributes()[0].type != CKA_VALUE &&
parsed.attributes()[0].type != CKA_LABEL) ||
(parsed.attributes()[0].pValue &&
parsed.attributes()[0].ulValueLen != value.size()))
return CKR_GENERAL_ERROR;
parsed.attributes()[0].ulValueLen = value.size();
if (parsed.attributes()[0].pValue)
memcpy(parsed.attributes()[0].pValue, value.data(), value.size());
parsed.Serialize(attributes_out);
return CKR_OK;
}
// Supports writing CKA_VALUE.
virtual uint32_t SetAttributeValue(
const chromeos::SecureBlob& isolate,
uint64_t session_id,
uint64_t object_handle,
const std::vector<uint8_t>& attributes) {
values_[handles_[object_handle]] = GetValue(attributes, CKA_VALUE);
return CKR_OK;
}
// Finds stored objects by CKA_LABEL or CKA_VALUE. If no CKA_LABEL or
// CKA_VALUE, find all objects.
virtual uint32_t FindObjectsInit(const chromeos::SecureBlob& isolate,
uint64_t session_id,
const std::vector<uint8_t>& attributes) {
std::string label = GetValue(attributes, CKA_LABEL);
std::string value = GetValue(attributes, CKA_VALUE);
found_objects_.clear();
if (label.empty() && value.empty()) {
// Find all objects.
found_objects_ = chromeos::GetMapKeysAsVector(handles_);
} else if (!label.empty() && labels_.count(label) > 0) {
// Find only the object with |label|.
found_objects_.push_back(labels_[label]);
} else {
// Find all objects with |value|.
for (const auto& item : values_) {
if (item.second == value && labels_.count(item.first) > 0) {
found_objects_.push_back(labels_[item.first]);
}
}
}
return CKR_OK;
}
// Reports a 'found' object based on find_status_.
virtual uint32_t FindObjects(const chromeos::SecureBlob& isolate,
uint64_t session_id,
uint64_t max_object_count,
std::vector<uint64_t>* object_list) {
while (!found_objects_.empty() && object_list->size() < max_object_count) {
object_list->push_back(found_objects_.back());
found_objects_.pop_back();
}
return CKR_OK;
}
protected:
NiceMock<Pkcs11Mock> pkcs11_;
NiceMock<chaps::TokenManagerClientMock> token_manager_;
private:
// A helper to pull the value for a given attribute out of a serialized
// template.
std::string GetValue(const std::vector<uint8_t>& attributes,
CK_ATTRIBUTE_TYPE type) {
chaps::Attributes parsed;
parsed.Parse(attributes);
CK_ATTRIBUTE_PTR array = parsed.attributes();
for (CK_ULONG i = 0; i < parsed.num_attributes(); ++i) {
if (array[i].type == type) {
if (!array[i].pValue)
return "";
return std::string(reinterpret_cast<char*>(array[i].pValue),
array[i].ulValueLen);
}
}
return "";
}
std::map<std::string, std::string> values_; // The fake store: label->value
std::map<uint64_t, std::string> handles_; // The fake store: handle->label
std::map<std::string, uint64_t> labels_; // The fake store: label->handle
std::vector<uint64_t> found_objects_; // The most recent search results
uint64_t next_handle_; // Tracks handle assignment
ScopedFakeSalt fake_system_salt_;
// We want to avoid all the Chaps verbose logging.
ScopedDisableVerboseLogging no_verbose_logging;
DISALLOW_COPY_AND_ASSIGN(KeyStoreTest);
};
// This test assumes that chaps in not available on the system running the test.
// The purpose of this test is to exercise the C_Initialize failure code path.
// Without a mock, the Chaps library will attempt to connect to the Chaps daemon
// unsuccessfully, resulting in a C_Initialize failure.
TEST(KeyStoreTest_NoMock, Pkcs11NotAvailable) {
chaps::TokenManagerClient token_manager;
Pkcs11KeyStore key_store(&token_manager);
std::string blob;
EXPECT_FALSE(key_store.Read(kDefaultUser, "test", &blob));
EXPECT_FALSE(key_store.Write(kDefaultUser, "test", blob));
EXPECT_FALSE(key_store.Read("", "test", &blob));
EXPECT_FALSE(key_store.Write("", "test", blob));
}
// Exercises the key store when PKCS #11 returns success. This exercises all
// non-error-handling code paths.
TEST_F(KeyStoreTest, Pkcs11Success) {
Pkcs11KeyStore key_store(&token_manager_);
std::string blob;
EXPECT_FALSE(key_store.Read(kDefaultUser, "test", &blob));
EXPECT_TRUE(key_store.Write(kDefaultUser, "test", "test_data"));
EXPECT_TRUE(key_store.Read(kDefaultUser, "test", &blob));
EXPECT_EQ("test_data", blob);
// Try with a different key name.
EXPECT_FALSE(key_store.Read(kDefaultUser, "test2", &blob));
EXPECT_TRUE(key_store.Write(kDefaultUser, "test2", "test_data2"));
EXPECT_TRUE(key_store.Read(kDefaultUser, "test2", &blob));
EXPECT_EQ("test_data2", blob);
// Read the original key again.
EXPECT_TRUE(key_store.Read(kDefaultUser, "test", &blob));
EXPECT_EQ("test_data", blob);
// Replace key data.
EXPECT_TRUE(key_store.Write(kDefaultUser, "test", "test_data3"));
EXPECT_TRUE(key_store.Read(kDefaultUser, "test", &blob));
EXPECT_EQ("test_data3", blob);
// Delete key data.
EXPECT_TRUE(key_store.Delete(kDefaultUser, "test2"));
EXPECT_FALSE(key_store.Read(kDefaultUser, "test2", &blob));
EXPECT_TRUE(key_store.Read(kDefaultUser, "test", &blob));
}
TEST_F(KeyStoreTest, Pkcs11Success_NoUser) {
Pkcs11KeyStore key_store(&token_manager_);
std::string blob;
EXPECT_FALSE(key_store.Read("", "test", &blob));
EXPECT_TRUE(key_store.Write("", "test", "test_data"));
EXPECT_TRUE(key_store.Read("", "test", &blob));
EXPECT_EQ("test_data", blob);
// Try with a different key name.
EXPECT_FALSE(key_store.Read("", "test2", &blob));
EXPECT_TRUE(key_store.Write("", "test2", "test_data2"));
EXPECT_TRUE(key_store.Read("", "test2", &blob));
EXPECT_EQ("test_data2", blob);
// Read the original key again.
EXPECT_TRUE(key_store.Read("", "test", &blob));
EXPECT_EQ("test_data", blob);
// Replace key data.
EXPECT_TRUE(key_store.Write("", "test", "test_data3"));
EXPECT_TRUE(key_store.Read("", "test", &blob));
EXPECT_EQ("test_data3", blob);
// Delete key data.
EXPECT_TRUE(key_store.Delete("", "test2"));
EXPECT_FALSE(key_store.Read("", "test2", &blob));
EXPECT_TRUE(key_store.Read("", "test", &blob));
}
// Tests the key store when PKCS #11 has no token for the given user.
TEST_F(KeyStoreTest, TokenNotAvailable) {
EXPECT_CALL(token_manager_, GetTokenPath(_, _, _))
.WillRepeatedly(Return(false));
Pkcs11KeyStore key_store(&token_manager_);
std::string blob;
EXPECT_FALSE(key_store.Read(kDefaultUser, "test", &blob));
EXPECT_FALSE(key_store.Write(kDefaultUser, "test", blob));
EXPECT_FALSE(key_store.Read("", "test", &blob));
EXPECT_FALSE(key_store.Write("", "test", blob));
}
// Tests the key store when PKCS #11 fails to open a session.
TEST_F(KeyStoreTest, NoSession) {
EXPECT_CALL(pkcs11_, OpenSession(_, _, _, _))
.WillRepeatedly(Return(CKR_GENERAL_ERROR));
Pkcs11KeyStore key_store(&token_manager_);
std::string blob;
EXPECT_FALSE(key_store.Write(kDefaultUser, "test", "test_data"));
EXPECT_FALSE(key_store.Read(kDefaultUser, "test", &blob));
}
// Tests the key store when PKCS #11 fails to create an object.
TEST_F(KeyStoreTest, CreateObjectFail) {
EXPECT_CALL(pkcs11_, CreateObject(_, _, _, _))
.WillRepeatedly(Return(CKR_GENERAL_ERROR));
Pkcs11KeyStore key_store(&token_manager_);
std::string blob;
EXPECT_FALSE(key_store.Write(kDefaultUser, "test", "test_data"));
EXPECT_FALSE(key_store.Read(kDefaultUser, "test", &blob));
}
// Tests the key store when PKCS #11 fails to read attribute values.
TEST_F(KeyStoreTest, ReadValueFail) {
EXPECT_CALL(pkcs11_, GetAttributeValue(_, _, _, _, _))
.WillRepeatedly(Return(CKR_GENERAL_ERROR));
Pkcs11KeyStore key_store(&token_manager_);
std::string blob;
EXPECT_TRUE(key_store.Write(kDefaultUser, "test", "test_data"));
EXPECT_FALSE(key_store.Read(kDefaultUser, "test", &blob));
}
// Tests the key store when PKCS #11 fails to delete key data.
TEST_F(KeyStoreTest, DeleteValueFail) {
EXPECT_CALL(pkcs11_, DestroyObject(_, _, _))
.WillRepeatedly(Return(CKR_GENERAL_ERROR));
Pkcs11KeyStore key_store(&token_manager_);
EXPECT_TRUE(key_store.Write(kDefaultUser, "test", "test_data"));
EXPECT_FALSE(key_store.Write(kDefaultUser, "test", "test_data2"));
EXPECT_FALSE(key_store.Delete(kDefaultUser, "test"));
}
// Tests the key store when PKCS #11 fails to find objects. Tests each part of
// the multi-part find operation individually.
TEST_F(KeyStoreTest, FindFail) {
EXPECT_CALL(pkcs11_, FindObjectsInit(_, _, _))
.WillRepeatedly(Return(CKR_GENERAL_ERROR));
Pkcs11KeyStore key_store(&token_manager_);
std::string blob;
EXPECT_TRUE(key_store.Write(kDefaultUser, "test", "test_data"));
EXPECT_FALSE(key_store.Read(kDefaultUser, "test", &blob));
EXPECT_CALL(pkcs11_, FindObjectsInit(_, _, _))
.WillRepeatedly(Return(CKR_OK));
EXPECT_CALL(pkcs11_, FindObjects(_, _, _, _))
.WillRepeatedly(Return(CKR_GENERAL_ERROR));
EXPECT_TRUE(key_store.Write(kDefaultUser, "test", "test_data"));
EXPECT_FALSE(key_store.Read(kDefaultUser, "test", &blob));
EXPECT_CALL(pkcs11_, FindObjects(_, _, _, _))
.WillRepeatedly(Return(CKR_OK));
EXPECT_CALL(pkcs11_, FindObjectsFinal(_, _))
.WillRepeatedly(Return(CKR_GENERAL_ERROR));
EXPECT_TRUE(key_store.Write(kDefaultUser, "test", "test_data"));
EXPECT_FALSE(key_store.Read(kDefaultUser, "test", &blob));
}
// Tests the key store when PKCS #11 successfully finds zero objects.
TEST_F(KeyStoreTest, FindNoObjects) {
std::vector<uint64_t> empty;
EXPECT_CALL(pkcs11_, FindObjects(_, _, _, _))
.WillRepeatedly(DoAll(SetArgumentPointee<3>(empty), Return(CKR_OK)));
Pkcs11KeyStore key_store(&token_manager_);
std::string blob;
EXPECT_TRUE(key_store.Write(kDefaultUser, "test", "test_data"));
EXPECT_FALSE(key_store.Read(kDefaultUser, "test", &blob));
}
TEST_F(KeyStoreTest, RegisterKeyWithoutCertificate) {
Pkcs11KeyStore key_store(&token_manager_);
// Try with a malformed public key.
EXPECT_FALSE(key_store.Register(kDefaultUser, "test_label",
"private_key_blob", "bad_pubkey", ""));
// Try with a well-formed public key.
std::string public_key_der = HexDecode(kValidPublicKeyHex);
EXPECT_CALL(pkcs11_, CreateObject(_, _, _, _))
.Times(2) // Public, private (no certificate).
.WillRepeatedly(Return(CKR_OK));
EXPECT_TRUE(key_store.Register(kDefaultUser, "test_label",
"private_key_blob", public_key_der, ""));
}
TEST_F(KeyStoreTest, RegisterKeyWithCertificate) {
EXPECT_CALL(pkcs11_, CreateObject(_, _, _, _))
.Times(3) // Public, private, and certificate.
.WillRepeatedly(Return(CKR_OK));
Pkcs11KeyStore key_store(&token_manager_);
std::string public_key_der = HexDecode(kValidPublicKeyHex);
std::string certificate_der = HexDecode(kValidCertificateHex);
EXPECT_TRUE(key_store.Register(kDefaultUser, "test_label", "private_key_blob",
public_key_der, certificate_der));
// Also try with the system token.
EXPECT_CALL(pkcs11_, CreateObject(_, _, _, _))
.Times(3) // Public, private, and certificate.
.WillRepeatedly(Return(CKR_OK));
EXPECT_TRUE(key_store.Register(kDefaultUser, "test_label", "private_key_blob",
public_key_der, certificate_der));
}
TEST_F(KeyStoreTest, RegisterKeyWithBadCertificate) {
EXPECT_CALL(pkcs11_, CreateObject(_, _, _, _))
.Times(3) // Public, private, and certificate.
.WillRepeatedly(Return(CKR_OK));
Pkcs11KeyStore key_store(&token_manager_);
std::string public_key_der = HexDecode(kValidPublicKeyHex);
EXPECT_TRUE(key_store.Register(kDefaultUser, "test_label", "private_key_blob",
public_key_der, "bad_certificate"));
}
TEST_F(KeyStoreTest, RegisterCertificate) {
Pkcs11KeyStore key_store(&token_manager_);
std::string certificate_der = HexDecode(kValidCertificateHex);
EXPECT_CALL(pkcs11_, CreateObject(_, _, _, _))
.Times(2); // Once for valid, once for invalid.
// Try with a valid certificate (hit multiple times to check dup logic).
EXPECT_TRUE(key_store.RegisterCertificate(kDefaultUser, certificate_der));
EXPECT_TRUE(key_store.RegisterCertificate(kDefaultUser, certificate_der));
EXPECT_TRUE(key_store.RegisterCertificate(kDefaultUser, certificate_der));
// Try with an invalid certificate.
EXPECT_TRUE(key_store.RegisterCertificate(kDefaultUser, "bad_certificate"));
}
TEST_F(KeyStoreTest, RegisterCertificateError) {
Pkcs11KeyStore key_store(&token_manager_);
std::string certificate_der = HexDecode(kValidCertificateHex);
// Handle an error from PKCS #11.
EXPECT_CALL(pkcs11_, CreateObject(_, _, _, _))
.WillOnce(Return(CKR_GENERAL_ERROR));
EXPECT_FALSE(key_store.RegisterCertificate(kDefaultUser, certificate_der));
}
TEST_F(KeyStoreTest, RegisterCertificateSystemToken) {
Pkcs11KeyStore key_store(&token_manager_);
std::string certificate_der = HexDecode(kValidCertificateHex);
// Try with the system token.
EXPECT_CALL(pkcs11_, CreateObject(_, _, _, _))
.WillOnce(Return(CKR_OK));
EXPECT_TRUE(key_store.RegisterCertificate(kDefaultUser, certificate_der));
}
// Tests that the DeleteByPrefix() method removes the correct objects and only
// the correct objects.
TEST_F(KeyStoreTest, DeleteByPrefix) {
Pkcs11KeyStore key_store(&token_manager_);
// Test with no keys.
ASSERT_TRUE(key_store.DeleteByPrefix(kDefaultUser, "prefix"));
// Test with a single matching key.
ASSERT_TRUE(key_store.Write(kDefaultUser, "prefix_test", "test"));
ASSERT_TRUE(key_store.DeleteByPrefix(kDefaultUser, "prefix"));
std::string blob;
EXPECT_FALSE(key_store.Read(kDefaultUser, "prefix_test", &blob));
// Test with a single non-matching key.
ASSERT_TRUE(key_store.Write(kDefaultUser, "_prefix_", "test"));
ASSERT_TRUE(key_store.DeleteByPrefix(kDefaultUser, "prefix"));
EXPECT_TRUE(key_store.Read(kDefaultUser, "_prefix_", &blob));
// Test with an empty prefix.
ASSERT_TRUE(key_store.DeleteByPrefix(kDefaultUser, ""));
EXPECT_FALSE(key_store.Read(kDefaultUser, "_prefix_", &blob));
// Test with multiple matching and non-matching keys.
const int kNumKeys = 110; // Pkcs11KeyStore max is 100 for FindObjects.
key_store.Write(kDefaultUser, "other1", "test");
for (int i = 0; i < kNumKeys; ++i) {
std::string key_name = std::string("prefix") + base::IntToString(i);
key_store.Write(kDefaultUser, key_name, std::string(key_name));
}
ASSERT_TRUE(key_store.Write(kDefaultUser, "other2", "test"));
ASSERT_TRUE(key_store.DeleteByPrefix(kDefaultUser, "prefix"));
EXPECT_TRUE(key_store.Read(kDefaultUser, "other1", &blob));
EXPECT_TRUE(key_store.Read(kDefaultUser, "other2", &blob));
for (int i = 0; i < kNumKeys; ++i) {
std::string key_name = std::string("prefix") + base::IntToString(i);
EXPECT_FALSE(key_store.Read(kDefaultUser, key_name, &blob));
}
}
} // namespace attestation