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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "crypto/secure_hash.h" | 5 #include "crypto/secure_hash.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
| 10 #include <memory> |
10 #include <string> | 11 #include <string> |
11 | 12 |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "crypto/sha2.h" | 13 #include "crypto/sha2.h" |
14 #include "testing/gtest/include/gtest/gtest.h" | 14 #include "testing/gtest/include/gtest/gtest.h" |
15 | 15 |
16 TEST(SecureHashTest, TestUpdate) { | 16 TEST(SecureHashTest, TestUpdate) { |
17 // Example B.3 from FIPS 180-2: long message. | 17 // Example B.3 from FIPS 180-2: long message. |
18 std::string input3(500000, 'a'); // 'a' repeated half a million times | 18 std::string input3(500000, 'a'); // 'a' repeated half a million times |
19 const int kExpectedHashOfInput3[] = { | 19 const int kExpectedHashOfInput3[] = { |
20 0xcd, 0xc7, 0x6e, 0x5c, 0x99, 0x14, 0xfb, 0x92, 0x81, 0xa1, 0xc7, | 20 0xcd, 0xc7, 0x6e, 0x5c, 0x99, 0x14, 0xfb, 0x92, 0x81, 0xa1, 0xc7, |
21 0xe2, 0x84, 0xd7, 0x3e, 0x67, 0xf1, 0x80, 0x9a, 0x48, 0xa4, 0x97, | 21 0xe2, 0x84, 0xd7, 0x3e, 0x67, 0xf1, 0x80, 0x9a, 0x48, 0xa4, 0x97, |
22 0x20, 0x0e, 0x04, 0x6d, 0x39, 0xcc, 0xc7, 0x11, 0x2c, 0xd0}; | 22 0x20, 0x0e, 0x04, 0x6d, 0x39, 0xcc, 0xc7, 0x11, 0x2c, 0xd0}; |
23 | 23 |
24 uint8_t output3[crypto::kSHA256Length]; | 24 uint8_t output3[crypto::kSHA256Length]; |
25 | 25 |
26 scoped_ptr<crypto::SecureHash> ctx(crypto::SecureHash::Create( | 26 std::unique_ptr<crypto::SecureHash> ctx( |
27 crypto::SecureHash::SHA256)); | 27 crypto::SecureHash::Create(crypto::SecureHash::SHA256)); |
28 ctx->Update(input3.data(), input3.size()); | 28 ctx->Update(input3.data(), input3.size()); |
29 ctx->Update(input3.data(), input3.size()); | 29 ctx->Update(input3.data(), input3.size()); |
30 | 30 |
31 ctx->Finish(output3, sizeof(output3)); | 31 ctx->Finish(output3, sizeof(output3)); |
32 for (size_t i = 0; i < crypto::kSHA256Length; i++) | 32 for (size_t i = 0; i < crypto::kSHA256Length; i++) |
33 EXPECT_EQ(kExpectedHashOfInput3[i], static_cast<int>(output3[i])); | 33 EXPECT_EQ(kExpectedHashOfInput3[i], static_cast<int>(output3[i])); |
34 } | 34 } |
35 | 35 |
36 TEST(SecureHashTest, TestClone) { | 36 TEST(SecureHashTest, TestClone) { |
37 std::string input1(10001, 'a'); // 'a' repeated 10001 times | 37 std::string input1(10001, 'a'); // 'a' repeated 10001 times |
38 std::string input2(10001, 'd'); // 'd' repeated 10001 times | 38 std::string input2(10001, 'd'); // 'd' repeated 10001 times |
39 | 39 |
40 const uint8_t kExpectedHashOfInput1[crypto::kSHA256Length] = { | 40 const uint8_t kExpectedHashOfInput1[crypto::kSHA256Length] = { |
41 0x0c, 0xab, 0x99, 0xa0, 0x58, 0x60, 0x0f, 0xfa, 0xad, 0x12, 0x92, | 41 0x0c, 0xab, 0x99, 0xa0, 0x58, 0x60, 0x0f, 0xfa, 0xad, 0x12, 0x92, |
42 0xd0, 0xc5, 0x3c, 0x05, 0x48, 0xeb, 0xaf, 0x88, 0xdd, 0x1d, 0x01, | 42 0xd0, 0xc5, 0x3c, 0x05, 0x48, 0xeb, 0xaf, 0x88, 0xdd, 0x1d, 0x01, |
43 0x03, 0x03, 0x45, 0x70, 0x5f, 0x01, 0x8a, 0x81, 0x39, 0x09}; | 43 0x03, 0x03, 0x45, 0x70, 0x5f, 0x01, 0x8a, 0x81, 0x39, 0x09}; |
44 const uint8_t kExpectedHashOfInput1And2[crypto::kSHA256Length] = { | 44 const uint8_t kExpectedHashOfInput1And2[crypto::kSHA256Length] = { |
45 0x4c, 0x8e, 0x26, 0x5a, 0xc3, 0x85, 0x1f, 0x1f, 0xa5, 0x04, 0x1c, | 45 0x4c, 0x8e, 0x26, 0x5a, 0xc3, 0x85, 0x1f, 0x1f, 0xa5, 0x04, 0x1c, |
46 0xc7, 0x88, 0x53, 0x1c, 0xc7, 0x80, 0x47, 0x15, 0xfb, 0x47, 0xff, | 46 0xc7, 0x88, 0x53, 0x1c, 0xc7, 0x80, 0x47, 0x15, 0xfb, 0x47, 0xff, |
47 0x72, 0xb1, 0x28, 0x37, 0xb0, 0x4d, 0x6e, 0x22, 0x2e, 0x4d}; | 47 0x72, 0xb1, 0x28, 0x37, 0xb0, 0x4d, 0x6e, 0x22, 0x2e, 0x4d}; |
48 | 48 |
49 uint8_t output1[crypto::kSHA256Length]; | 49 uint8_t output1[crypto::kSHA256Length]; |
50 uint8_t output2[crypto::kSHA256Length]; | 50 uint8_t output2[crypto::kSHA256Length]; |
51 uint8_t output3[crypto::kSHA256Length]; | 51 uint8_t output3[crypto::kSHA256Length]; |
52 | 52 |
53 scoped_ptr<crypto::SecureHash> ctx1(crypto::SecureHash::Create( | 53 std::unique_ptr<crypto::SecureHash> ctx1( |
54 crypto::SecureHash::SHA256)); | 54 crypto::SecureHash::Create(crypto::SecureHash::SHA256)); |
55 ctx1->Update(input1.data(), input1.size()); | 55 ctx1->Update(input1.data(), input1.size()); |
56 | 56 |
57 scoped_ptr<crypto::SecureHash> ctx2(ctx1->Clone()); | 57 std::unique_ptr<crypto::SecureHash> ctx2(ctx1->Clone()); |
58 scoped_ptr<crypto::SecureHash> ctx3(ctx2->Clone()); | 58 std::unique_ptr<crypto::SecureHash> ctx3(ctx2->Clone()); |
59 // At this point, ctx1, ctx2, and ctx3 are all equivalent and represent the | 59 // At this point, ctx1, ctx2, and ctx3 are all equivalent and represent the |
60 // state after hashing input1. | 60 // state after hashing input1. |
61 | 61 |
62 // Updating ctx1 and ctx2 with input2 should produce equivalent results. | 62 // Updating ctx1 and ctx2 with input2 should produce equivalent results. |
63 ctx1->Update(input2.data(), input2.size()); | 63 ctx1->Update(input2.data(), input2.size()); |
64 ctx1->Finish(output1, sizeof(output1)); | 64 ctx1->Finish(output1, sizeof(output1)); |
65 | 65 |
66 ctx2->Update(input2.data(), input2.size()); | 66 ctx2->Update(input2.data(), input2.size()); |
67 ctx2->Finish(output2, sizeof(output2)); | 67 ctx2->Finish(output2, sizeof(output2)); |
68 | 68 |
69 EXPECT_EQ(0, memcmp(output1, output2, crypto::kSHA256Length)); | 69 EXPECT_EQ(0, memcmp(output1, output2, crypto::kSHA256Length)); |
70 EXPECT_EQ(0, | 70 EXPECT_EQ(0, |
71 memcmp(output1, kExpectedHashOfInput1And2, crypto::kSHA256Length)); | 71 memcmp(output1, kExpectedHashOfInput1And2, crypto::kSHA256Length)); |
72 | 72 |
73 // Finish() ctx3, which should produce the hash of input1. | 73 // Finish() ctx3, which should produce the hash of input1. |
74 ctx3->Finish(&output3, sizeof(output3)); | 74 ctx3->Finish(&output3, sizeof(output3)); |
75 EXPECT_EQ(0, memcmp(output3, kExpectedHashOfInput1, crypto::kSHA256Length)); | 75 EXPECT_EQ(0, memcmp(output3, kExpectedHashOfInput1, crypto::kSHA256Length)); |
76 } | 76 } |
77 | 77 |
78 TEST(SecureHashTest, TestLength) { | 78 TEST(SecureHashTest, TestLength) { |
79 scoped_ptr<crypto::SecureHash> ctx( | 79 std::unique_ptr<crypto::SecureHash> ctx( |
80 crypto::SecureHash::Create(crypto::SecureHash::SHA256)); | 80 crypto::SecureHash::Create(crypto::SecureHash::SHA256)); |
81 EXPECT_EQ(crypto::kSHA256Length, ctx->GetHashLength()); | 81 EXPECT_EQ(crypto::kSHA256Length, ctx->GetHashLength()); |
82 } | 82 } |
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