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 "crypto/sha2.h" 6 7 #include "base/basictypes.h" 8 #include "testing/gtest/include/gtest/gtest.h" 9 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[crypto::SHA256_LENGTH]; 23 crypto::SHA256HashString(input1, output1, sizeof(output1)); 24 for (size_t i = 0; i < crypto::SHA256_LENGTH; i++) 25 EXPECT_EQ(expected1[i], static_cast<int>(output1[i])); 26 27 uint8 output_truncated1[4]; // 4 bytes == 32 bits 28 crypto::SHA256HashString(input1, 29 output_truncated1, sizeof(output_truncated1)); 30 for (size_t i = 0; i < sizeof(output_truncated1); i++) 31 EXPECT_EQ(expected1[i], static_cast<int>(output_truncated1[i])); 32 } 33 34 TEST(Sha256Test, Test1_String) { 35 // Same as the above, but using the wrapper that returns a std::string. 36 // Example B.1 from FIPS 180-2: one-block message. 37 std::string input1 = "abc"; 38 int expected1[] = { 0xba, 0x78, 0x16, 0xbf, 39 0x8f, 0x01, 0xcf, 0xea, 40 0x41, 0x41, 0x40, 0xde, 41 0x5d, 0xae, 0x22, 0x23, 42 0xb0, 0x03, 0x61, 0xa3, 43 0x96, 0x17, 0x7a, 0x9c, 44 0xb4, 0x10, 0xff, 0x61, 45 0xf2, 0x00, 0x15, 0xad }; 46 47 std::string output1 = crypto::SHA256HashString(input1); 48 ASSERT_EQ(crypto::SHA256_LENGTH, output1.size()); 49 for (size_t i = 0; i < crypto::SHA256_LENGTH; i++) 50 EXPECT_EQ(expected1[i], static_cast<uint8>(output1[i])); 51 } 52 53 TEST(Sha256Test, Test2) { 54 // Example B.2 from FIPS 180-2: multi-block message. 55 std::string input2 = 56 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; 57 int expected2[] = { 0x24, 0x8d, 0x6a, 0x61, 58 0xd2, 0x06, 0x38, 0xb8, 59 0xe5, 0xc0, 0x26, 0x93, 60 0x0c, 0x3e, 0x60, 0x39, 61 0xa3, 0x3c, 0xe4, 0x59, 62 0x64, 0xff, 0x21, 0x67, 63 0xf6, 0xec, 0xed, 0xd4, 64 0x19, 0xdb, 0x06, 0xc1 }; 65 66 uint8 output2[crypto::SHA256_LENGTH]; 67 crypto::SHA256HashString(input2, output2, sizeof(output2)); 68 for (size_t i = 0; i < crypto::SHA256_LENGTH; i++) 69 EXPECT_EQ(expected2[i], static_cast<int>(output2[i])); 70 71 uint8 output_truncated2[6]; 72 crypto::SHA256HashString(input2, 73 output_truncated2, sizeof(output_truncated2)); 74 for (size_t i = 0; i < sizeof(output_truncated2); i++) 75 EXPECT_EQ(expected2[i], static_cast<int>(output_truncated2[i])); 76 } 77 78 TEST(Sha256Test, Test3) { 79 // Example B.3 from FIPS 180-2: long message. 80 std::string input3(1000000, 'a'); // 'a' repeated a million times 81 int expected3[] = { 0xcd, 0xc7, 0x6e, 0x5c, 82 0x99, 0x14, 0xfb, 0x92, 83 0x81, 0xa1, 0xc7, 0xe2, 84 0x84, 0xd7, 0x3e, 0x67, 85 0xf1, 0x80, 0x9a, 0x48, 86 0xa4, 0x97, 0x20, 0x0e, 87 0x04, 0x6d, 0x39, 0xcc, 88 0xc7, 0x11, 0x2c, 0xd0 }; 89 90 uint8 output3[crypto::SHA256_LENGTH]; 91 crypto::SHA256HashString(input3, output3, sizeof(output3)); 92 for (size_t i = 0; i < crypto::SHA256_LENGTH; i++) 93 EXPECT_EQ(expected3[i], static_cast<int>(output3[i])); 94 95 uint8 output_truncated3[12]; 96 crypto::SHA256HashString(input3, 97 output_truncated3, sizeof(output_truncated3)); 98 for (size_t i = 0; i < sizeof(output_truncated3); i++) 99 EXPECT_EQ(expected3[i], static_cast<int>(output_truncated3[i])); 100 } 101
