1// Copyright (c) 2011 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/signature_creator.h"
9#include "crypto/signature_verifier.h"
10#include "testing/gtest/include/gtest/gtest.h"
11
12TEST(SignatureCreatorTest, BasicTest) {
13  // Do a verify round trip.
14  scoped_ptr<crypto::RSAPrivateKey> key_original(
15      crypto::RSAPrivateKey::Create(1024));
16  ASSERT_TRUE(key_original.get());
17
18  std::vector<uint8> key_info;
19  key_original->ExportPrivateKey(&key_info);
20  scoped_ptr<crypto::RSAPrivateKey> key(
21      crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(key_info));
22  ASSERT_TRUE(key.get());
23
24  scoped_ptr<crypto::SignatureCreator> signer(
25      crypto::SignatureCreator::Create(key.get()));
26  ASSERT_TRUE(signer.get());
27
28  std::string data("Hello, World!");
29  ASSERT_TRUE(signer->Update(reinterpret_cast<const uint8*>(data.c_str()),
30                             data.size()));
31
32  std::vector<uint8> signature;
33  ASSERT_TRUE(signer->Final(&signature));
34
35  std::vector<uint8> public_key_info;
36  ASSERT_TRUE(key_original->ExportPublicKey(&public_key_info));
37
38  // This is the algorithm ID for SHA-1 with RSA encryption.
39  // TODO(aa): Factor this out into some shared location.
40  const uint8 kSHA1WithRSAAlgorithmID[] = {
41    0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
42    0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00
43  };
44  crypto::SignatureVerifier verifier;
45  ASSERT_TRUE(verifier.VerifyInit(
46      kSHA1WithRSAAlgorithmID, sizeof(kSHA1WithRSAAlgorithmID),
47      &signature.front(), signature.size(),
48      &public_key_info.front(), public_key_info.size()));
49
50  verifier.VerifyUpdate(reinterpret_cast<const uint8*>(data.c_str()),
51                        data.size());
52  ASSERT_TRUE(verifier.VerifyFinal());
53}
54