1 // Copyright (c) 2006-2008 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 "base/sha2.h"
6
7 #include "base/basictypes.h"
8 #include "testing/gtest/include/gtest/gtest.h"
9
TEST(Sha256Test,Test1)10 TEST(Sha256Test, Test1) {
11 // Example B.1 from FIPS 180-2: one-block message.
12 std::string input1 = "abc";
13 int expected1[] = { 0xba, 0x78, 0x16, 0xbf,
14 0x8f, 0x01, 0xcf, 0xea,
15 0x41, 0x41, 0x40, 0xde,
16 0x5d, 0xae, 0x22, 0x23,
17 0xb0, 0x03, 0x61, 0xa3,
18 0x96, 0x17, 0x7a, 0x9c,
19 0xb4, 0x10, 0xff, 0x61,
20 0xf2, 0x00, 0x15, 0xad };
21
22 uint8 output1[base::SHA256_LENGTH];
23 base::SHA256HashString(input1, output1, sizeof(output1));
24 for (size_t i = 0; i < base::SHA256_LENGTH; i++)
25 EXPECT_EQ(expected1[i], static_cast<int>(output1[i]));
26
27 uint8 output_truncated1[4]; // 4 bytes == 32 bits
28 base::SHA256HashString(input1, output_truncated1, sizeof(output_truncated1));
29 for (size_t i = 0; i < sizeof(output_truncated1); i++)
30 EXPECT_EQ(expected1[i], static_cast<int>(output_truncated1[i]));
31 }
32
TEST(Sha256Test,Test2)33 TEST(Sha256Test, Test2) {
34 // Example B.2 from FIPS 180-2: multi-block message.
35 std::string input2 =
36 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
37 int expected2[] = { 0x24, 0x8d, 0x6a, 0x61,
38 0xd2, 0x06, 0x38, 0xb8,
39 0xe5, 0xc0, 0x26, 0x93,
40 0x0c, 0x3e, 0x60, 0x39,
41 0xa3, 0x3c, 0xe4, 0x59,
42 0x64, 0xff, 0x21, 0x67,
43 0xf6, 0xec, 0xed, 0xd4,
44 0x19, 0xdb, 0x06, 0xc1 };
45
46 uint8 output2[base::SHA256_LENGTH];
47 base::SHA256HashString(input2, output2, sizeof(output2));
48 for (size_t i = 0; i < base::SHA256_LENGTH; i++)
49 EXPECT_EQ(expected2[i], static_cast<int>(output2[i]));
50
51 uint8 output_truncated2[6];
52 base::SHA256HashString(input2, output_truncated2, sizeof(output_truncated2));
53 for (size_t i = 0; i < sizeof(output_truncated2); i++)
54 EXPECT_EQ(expected2[i], static_cast<int>(output_truncated2[i]));
55 }
56
TEST(Sha256Test,Test3)57 TEST(Sha256Test, Test3) {
58 // Example B.3 from FIPS 180-2: long message.
59 std::string input3(1000000, 'a'); // 'a' repeated a million times
60 int expected3[] = { 0xcd, 0xc7, 0x6e, 0x5c,
61 0x99, 0x14, 0xfb, 0x92,
62 0x81, 0xa1, 0xc7, 0xe2,
63 0x84, 0xd7, 0x3e, 0x67,
64 0xf1, 0x80, 0x9a, 0x48,
65 0xa4, 0x97, 0x20, 0x0e,
66 0x04, 0x6d, 0x39, 0xcc,
67 0xc7, 0x11, 0x2c, 0xd0 };
68
69 uint8 output3[base::SHA256_LENGTH];
70 base::SHA256HashString(input3, output3, sizeof(output3));
71 for (size_t i = 0; i < base::SHA256_LENGTH; i++)
72 EXPECT_EQ(expected3[i], static_cast<int>(output3[i]));
73
74 uint8 output_truncated3[12];
75 base::SHA256HashString(input3, output_truncated3, sizeof(output_truncated3));
76 for (size_t i = 0; i < sizeof(output_truncated3); i++)
77 EXPECT_EQ(expected3[i], static_cast<int>(output_truncated3[i]));
78 }
79