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signature_creator_unittest.cc
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// Copyright (c) 2012 The Chromium 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 "crypto/signature_creator.h"
#include <stdint.h>
#include <memory>
#include <vector>
#include "base/sha1.h"
#include "crypto/rsa_private_key.h"
#include "crypto/sha2.h"
#include "crypto/signature_verifier.h"
#include "testing/gtest/include/gtest/gtest.h"
TEST(SignatureCreatorTest, BasicTest) {
// Do a verify round trip.
std::unique_ptr<crypto::RSAPrivateKey> key_original(
crypto::RSAPrivateKey::Create(1024));
ASSERT_TRUE(key_original.get());
std::vector<uint8_t> key_info;
key_original->ExportPrivateKey(&key_info);
std::unique_ptr<crypto::RSAPrivateKey> key(
crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(key_info));
ASSERT_TRUE(key.get());
std::unique_ptr<crypto::SignatureCreator> signer(
crypto::SignatureCreator::Create(key.get(),
crypto::SignatureCreator::SHA1));
ASSERT_TRUE(signer.get());
std::string data("Hello, World!");
ASSERT_TRUE(signer->Update(reinterpret_cast<const uint8_t*>(data.c_str()),
data.size()));
std::vector<uint8_t> signature;
ASSERT_TRUE(signer->Final(&signature));
std::vector<uint8_t> public_key_info;
ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
crypto::SignatureVerifier verifier;
ASSERT_TRUE(verifier.VerifyInit(
crypto::SignatureVerifier::RSA_PKCS1_SHA1, &signature.front(),
signature.size(), &public_key_info.front(), public_key_info.size()));
verifier.VerifyUpdate(reinterpret_cast<const uint8_t*>(data.c_str()),
data.size());
ASSERT_TRUE(verifier.VerifyFinal());
}
TEST(SignatureCreatorTest, SignDigestTest) {
// Do a verify round trip.
std::unique_ptr<crypto::RSAPrivateKey> key_original(
crypto::RSAPrivateKey::Create(1024));
ASSERT_TRUE(key_original.get());
std::vector<uint8_t> key_info;
key_original->ExportPrivateKey(&key_info);
std::unique_ptr<crypto::RSAPrivateKey> key(
crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(key_info));
ASSERT_TRUE(key.get());
std::string data("Hello, World!");
std::string sha1 = base::SHA1HashString(data);
// Sign sha1 of the input data.
std::vector<uint8_t> signature;
ASSERT_TRUE(crypto::SignatureCreator::Sign(
key.get(), crypto::SignatureCreator::SHA1,
reinterpret_cast<const uint8_t*>(sha1.c_str()), sha1.size(), &signature));
std::vector<uint8_t> public_key_info;
ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
// Verify the input data.
crypto::SignatureVerifier verifier;
ASSERT_TRUE(verifier.VerifyInit(
crypto::SignatureVerifier::RSA_PKCS1_SHA1, &signature.front(),
signature.size(), &public_key_info.front(), public_key_info.size()));
verifier.VerifyUpdate(reinterpret_cast<const uint8_t*>(data.c_str()),
data.size());
ASSERT_TRUE(verifier.VerifyFinal());
}
TEST(SignatureCreatorTest, SignSHA256DigestTest) {
// Do a verify round trip.
std::unique_ptr<crypto::RSAPrivateKey> key_original(
crypto::RSAPrivateKey::Create(1024));
ASSERT_TRUE(key_original.get());
std::vector<uint8_t> key_info;
key_original->ExportPrivateKey(&key_info);
std::unique_ptr<crypto::RSAPrivateKey> key(
crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(key_info));
ASSERT_TRUE(key.get());
std::string data("Hello, World!");
std::string sha256 = crypto::SHA256HashString(data);
// Sign sha256 of the input data.
std::vector<uint8_t> signature;
ASSERT_TRUE(crypto::SignatureCreator::Sign(
key.get(), crypto::SignatureCreator::HashAlgorithm::SHA256,
reinterpret_cast<const uint8_t*>(sha256.c_str()), sha256.size(),
&signature));
std::vector<uint8_t> public_key_info;
ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
// Verify the input data.
crypto::SignatureVerifier verifier;
ASSERT_TRUE(verifier.VerifyInit(
crypto::SignatureVerifier::RSA_PKCS1_SHA256, &signature.front(),
signature.size(), &public_key_info.front(), public_key_info.size()));
verifier.VerifyUpdate(reinterpret_cast<const uint8_t*>(data.c_str()),
data.size());
ASSERT_TRUE(verifier.VerifyFinal());
}