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 <stddef.h> 8 #include <stdint.h> 9 10 #include "testing/gtest/include/gtest/gtest.h" 11 12 TEST(Sha256Test, Test1) { 13 // Example B.1 from FIPS 180-2: one-block message. 14 std::string input1 = "abc"; 15 int expected1[] = { 0xba, 0x78, 0x16, 0xbf, 16 0x8f, 0x01, 0xcf, 0xea, 17 0x41, 0x41, 0x40, 0xde, 18 0x5d, 0xae, 0x22, 0x23, 19 0xb0, 0x03, 0x61, 0xa3, 20 0x96, 0x17, 0x7a, 0x9c, 21 0xb4, 0x10, 0xff, 0x61, 22 0xf2, 0x00, 0x15, 0xad }; 23 24 uint8_t output1[crypto::kSHA256Length]; 25 crypto::SHA256HashString(input1, output1, sizeof(output1)); 26 for (size_t i = 0; i < crypto::kSHA256Length; i++) 27 EXPECT_EQ(expected1[i], static_cast<int>(output1[i])); 28 29 uint8_t output_truncated1[4]; // 4 bytes == 32 bits 30 crypto::SHA256HashString(input1, 31 output_truncated1, sizeof(output_truncated1)); 32 for (size_t i = 0; i < sizeof(output_truncated1); i++) 33 EXPECT_EQ(expected1[i], static_cast<int>(output_truncated1[i])); 34 } 35 36 TEST(Sha256Test, Test1_String) { 37 // Same as the above, but using the wrapper that returns a std::string. 38 // Example B.1 from FIPS 180-2: one-block message. 39 std::string input1 = "abc"; 40 int expected1[] = { 0xba, 0x78, 0x16, 0xbf, 41 0x8f, 0x01, 0xcf, 0xea, 42 0x41, 0x41, 0x40, 0xde, 43 0x5d, 0xae, 0x22, 0x23, 44 0xb0, 0x03, 0x61, 0xa3, 45 0x96, 0x17, 0x7a, 0x9c, 46 0xb4, 0x10, 0xff, 0x61, 47 0xf2, 0x00, 0x15, 0xad }; 48 49 std::string output1 = crypto::SHA256HashString(input1); 50 ASSERT_EQ(crypto::kSHA256Length, output1.size()); 51 for (size_t i = 0; i < crypto::kSHA256Length; i++) 52 EXPECT_EQ(expected1[i], static_cast<uint8_t>(output1[i])); 53 } 54 55 TEST(Sha256Test, Test2) { 56 // Example B.2 from FIPS 180-2: multi-block message. 57 std::string input2 = 58 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; 59 int expected2[] = { 0x24, 0x8d, 0x6a, 0x61, 60 0xd2, 0x06, 0x38, 0xb8, 61 0xe5, 0xc0, 0x26, 0x93, 62 0x0c, 0x3e, 0x60, 0x39, 63 0xa3, 0x3c, 0xe4, 0x59, 64 0x64, 0xff, 0x21, 0x67, 65 0xf6, 0xec, 0xed, 0xd4, 66 0x19, 0xdb, 0x06, 0xc1 }; 67 68 uint8_t output2[crypto::kSHA256Length]; 69 crypto::SHA256HashString(input2, output2, sizeof(output2)); 70 for (size_t i = 0; i < crypto::kSHA256Length; i++) 71 EXPECT_EQ(expected2[i], static_cast<int>(output2[i])); 72 73 uint8_t output_truncated2[6]; 74 crypto::SHA256HashString(input2, 75 output_truncated2, sizeof(output_truncated2)); 76 for (size_t i = 0; i < sizeof(output_truncated2); i++) 77 EXPECT_EQ(expected2[i], static_cast<int>(output_truncated2[i])); 78 } 79 80 TEST(Sha256Test, Test3) { 81 // Example B.3 from FIPS 180-2: long message. 82 std::string input3(1000000, 'a'); // 'a' repeated a million times 83 int expected3[] = { 0xcd, 0xc7, 0x6e, 0x5c, 84 0x99, 0x14, 0xfb, 0x92, 85 0x81, 0xa1, 0xc7, 0xe2, 86 0x84, 0xd7, 0x3e, 0x67, 87 0xf1, 0x80, 0x9a, 0x48, 88 0xa4, 0x97, 0x20, 0x0e, 89 0x04, 0x6d, 0x39, 0xcc, 90 0xc7, 0x11, 0x2c, 0xd0 }; 91 92 uint8_t output3[crypto::kSHA256Length]; 93 crypto::SHA256HashString(input3, output3, sizeof(output3)); 94 for (size_t i = 0; i < crypto::kSHA256Length; i++) 95 EXPECT_EQ(expected3[i], static_cast<int>(output3[i])); 96 97 uint8_t output_truncated3[12]; 98 crypto::SHA256HashString(input3, 99 output_truncated3, sizeof(output_truncated3)); 100 for (size_t i = 0; i < sizeof(output_truncated3); i++) 101 EXPECT_EQ(expected3[i], static_cast<int>(output_truncated3[i])); 102 } 103
