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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 <vector>
#include "base/memory/scoped_ptr.h"
#include "base/sha1.h"
#include "crypto/rsa_private_key.h"
#include "crypto/signature_creator.h"
#include "crypto/signature_verifier.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// This is the algorithm ID for SHA-1 with RSA encryption.
const uint8 kSHA1WithRSAAlgorithmID[] = {
0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00
};
}
TEST(SignatureCreatorTest, BasicTest) {
// Do a verify round trip.
scoped_ptr<crypto::RSAPrivateKey> key_original(
crypto::RSAPrivateKey::Create(1024));
ASSERT_TRUE(key_original.get());
std::vector<uint8> key_info;
key_original->ExportPrivateKey(&key_info);
scoped_ptr<crypto::RSAPrivateKey> key(
crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(key_info));
ASSERT_TRUE(key.get());
scoped_ptr<crypto::SignatureCreator> signer(
crypto::SignatureCreator::Create(key.get()));
ASSERT_TRUE(signer.get());
std::string data("Hello, World!");
ASSERT_TRUE(signer->Update(reinterpret_cast<const uint8*>(data.c_str()),
data.size()));
std::vector<uint8> signature;
ASSERT_TRUE(signer->Final(&signature));
std::vector<uint8> public_key_info;
ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
crypto::SignatureVerifier verifier;
ASSERT_TRUE(verifier.VerifyInit(
kSHA1WithRSAAlgorithmID, sizeof(kSHA1WithRSAAlgorithmID),
&signature.front(), signature.size(),
&public_key_info.front(), public_key_info.size()));
verifier.VerifyUpdate(reinterpret_cast<const uint8*>(data.c_str()),
data.size());
ASSERT_TRUE(verifier.VerifyFinal());
}
TEST(SignatureCreatorTest, SignDigestTest) {
// Do a verify round trip.
scoped_ptr<crypto::RSAPrivateKey> key_original(
crypto::RSAPrivateKey::Create(1024));
ASSERT_TRUE(key_original.get());
std::vector<uint8> key_info;
key_original->ExportPrivateKey(&key_info);
scoped_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> signature;
ASSERT_TRUE(crypto::SignatureCreator::Sign(
key.get(),
reinterpret_cast<const uint8*>(sha1.c_str()),
sha1.size(),
&signature));
std::vector<uint8> public_key_info;
ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
// Verify the input data.
crypto::SignatureVerifier verifier;
ASSERT_TRUE(verifier.VerifyInit(
kSHA1WithRSAAlgorithmID, sizeof(kSHA1WithRSAAlgorithmID),
&signature.front(), signature.size(),
&public_key_info.front(), public_key_info.size()));
verifier.VerifyUpdate(reinterpret_cast<const uint8*>(data.c_str()),
data.size());
ASSERT_TRUE(verifier.VerifyFinal());
}
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