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 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 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 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
