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/*
* Copyright 2015 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 <gtest/gtest.h>
#include <keyguard/google_keyguard.h>
using ::keyguard::SizedBuffer;
using ::testing::Test;
using ::keyguard::EnrollRequest;
using ::keyguard::EnrollResponse;
using ::keyguard::VerifyRequest;
using ::keyguard::VerifyResponse;
using ::keyguard::GoogleKeyguard;
using ::keyguard::AuthToken;
class FakeKeyguard : public GoogleKeyguard {
public:
FakeKeyguard() {
password_key_ = std::unique_ptr<uint8_t[]>(new uint8_t[16] {
2, 34, 23, 43, 52, 25, 234, 22, 65, 24, 90,
48, 5, 52, 62, 12 });
}
private:
std::unique_ptr<uint8_t[]> GetAuthTokenKey() const {
return std::unique_ptr<uint8_t[]>(new uint8_t[16] {
2, 34, 23, 43, 52, 25, 234, 22, 65, 24, 90,
48, 5, 52, 62, 12 });
}
std::unique_ptr<uint8_t> ComputeSignature(const uint8_t key[],
const uint8_t *message, const size_t length, size_t *signature_length) const {
const size_t signature_size = 16;
uint8_t *signature = new uint8_t[signature_size];
memset(signature, 0, signature_size);
size_t len = length >= signature_size ? signature_size : length;
memcpy(signature, message, len);
if (signature_length != NULL) *signature_length = len;
return std::unique_ptr<uint8_t>(signature);
}
};
TEST(KeyguardTest, EnrollSuccess) {
FakeKeyguard keyguard;
SizedBuffer password;
EnrollResponse response;
password.buffer = std::unique_ptr<uint8_t>(new uint8_t[16]);
password.length = 16;
memset(password.buffer.get(), 0, 16);
EnrollRequest request(0, &password);
keyguard.Enroll(request, &response);
ASSERT_EQ(::keyguard::keyguard_error_t::KG_ERROR_OK, response.GetError());
ASSERT_EQ((size_t) 16, response.GetEnrolledPasswordHandle()->length);
}
TEST(KeyguardTest, EnrollBogusData) {
FakeKeyguard keyguard;
SizedBuffer password;
EnrollResponse response;
EnrollRequest request(0, &password);
keyguard.Enroll(request, &response);
ASSERT_EQ(::keyguard::keyguard_error_t::KG_ERROR_INVALID, response.GetError());
}
TEST(KeyguardTest, VerifySuccess) {
FakeKeyguard keyguard;
SizedBuffer provided_password;
SizedBuffer password_handle;
provided_password.buffer = std::unique_ptr<uint8_t>(new uint8_t[16]);
provided_password.length = 16;
memset(provided_password.buffer.get(), 0, 16);
password_handle.buffer = std::unique_ptr<uint8_t>(new uint8_t[16]);
password_handle.length = 16;
memset(password_handle.buffer.get(), 0, 16);
VerifyRequest request(0, &password_handle, &provided_password);
VerifyResponse response;
keyguard.Verify(request, &response);
ASSERT_EQ(::keyguard::keyguard_error_t::KG_ERROR_OK, response.GetError());
AuthToken *auth_token =
reinterpret_cast<AuthToken *>(response.GetVerificationToken()->buffer.get());
ASSERT_EQ((uint8_t) 1, auth_token->auth_token_tag);
ASSERT_EQ((uint8_t) 2, auth_token->user_id_tag);
ASSERT_EQ((uint8_t) 3, auth_token->authenticator_id_tag);
ASSERT_EQ((uint8_t) 4, auth_token->timestamp_tag);
ASSERT_EQ((uint32_t)0, auth_token->user_id);
ASSERT_EQ((uint32_t)0, auth_token->authenticator_id);
}
TEST(KeyguardTest, VerifyBogusData) {
FakeKeyguard keyguard;
SizedBuffer provided_password;
SizedBuffer password_handle;
VerifyResponse response;
VerifyRequest request(0, &provided_password, &password_handle);
keyguard.Verify(request, &response);
ASSERT_EQ(::keyguard::keyguard_error_t::KG_ERROR_INVALID, response.GetError());
}
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