signature_creator_unittest.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include <vector>
6
7#include "base/memory/scoped_ptr.h"
8#include "crypto/rsa_private_key.h"
9#include "crypto/signature_creator.h"
10#include "crypto/signature_verifier.h"
11#include "testing/gtest/include/gtest/gtest.h"
12
13TEST(SignatureCreatorTest, BasicTest) {
14  // Do a verify round trip.
15  scoped_ptr<crypto::RSAPrivateKey> key_original(
16      crypto::RSAPrivateKey::Create(1024));
17  ASSERT_TRUE(key_original.get());
18
19  std::vector<uint8> key_info;
20  key_original->ExportPrivateKey(&key_info);
21  scoped_ptr<crypto::RSAPrivateKey> key(
22      crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(key_info));
23  ASSERT_TRUE(key.get());
24
25  scoped_ptr<crypto::SignatureCreator> signer(
26      crypto::SignatureCreator::Create(key.get()));
27  ASSERT_TRUE(signer.get());
28
29  std::string data("Hello, World!");
30  ASSERT_TRUE(signer->Update(reinterpret_cast<const uint8*>(data.c_str()),
31                             data.size()));
32
33  std::vector<uint8> signature;
34  ASSERT_TRUE(signer->Final(&signature));
35
36  std::vector<uint8> public_key_info;
37  ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
38
39  // This is the algorithm ID for SHA-1 with RSA encryption.
40  // TODO(aa): Factor this out into some shared location.
41  const uint8 kSHA1WithRSAAlgorithmID[] = {
42    0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
43    0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00
44  };
45  crypto::SignatureVerifier verifier;
46  ASSERT_TRUE(verifier.VerifyInit(
47      kSHA1WithRSAAlgorithmID, sizeof(kSHA1WithRSAAlgorithmID),
48      &signature.front(), signature.size(),
49      &public_key_info.front(), public_key_info.size()));
50
51  verifier.VerifyUpdate(reinterpret_cast<const uint8*>(data.c_str()),
52                        data.size());
53  ASSERT_TRUE(verifier.VerifyFinal());
54}
55