1 // Copyright 2011 The Chromium OS 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 "third_party/chromium/crypto/sha2.h" 6 7 #include <gtest/gtest.h> 8 9 namespace weave { 10 11 TEST(Sha256Test, Test1) { 12 // Example B.1 from FIPS 180-2: one-block message. 13 std::string input1 = "abc"; 14 int expected1[] = { 0xba, 0x78, 0x16, 0xbf, 15 0x8f, 0x01, 0xcf, 0xea, 16 0x41, 0x41, 0x40, 0xde, 17 0x5d, 0xae, 0x22, 0x23, 18 0xb0, 0x03, 0x61, 0xa3, 19 0x96, 0x17, 0x7a, 0x9c, 20 0xb4, 0x10, 0xff, 0x61, 21 0xf2, 0x00, 0x15, 0xad }; 22 23 uint8_t output1[crypto::kSHA256Length]; 24 crypto::SHA256HashString(input1, output1, sizeof(output1)); 25 for (size_t i = 0; i < crypto::kSHA256Length; i++) 26 EXPECT_EQ(expected1[i], static_cast<int>(output1[i])); 27 28 uint8_t output_truncated1[4]; // 4 bytes == 32 bits 29 crypto::SHA256HashString(input1, 30 output_truncated1, sizeof(output_truncated1)); 31 for (size_t i = 0; i < sizeof(output_truncated1); i++) 32 EXPECT_EQ(expected1[i], static_cast<int>(output_truncated1[i])); 33 } 34 35 TEST(Sha256Test, Test1_String) { 36 // Same as the above, but using the wrapper that returns a std::string. 37 // Example B.1 from FIPS 180-2: one-block message. 38 std::string input1 = "abc"; 39 int expected1[] = { 0xba, 0x78, 0x16, 0xbf, 40 0x8f, 0x01, 0xcf, 0xea, 41 0x41, 0x41, 0x40, 0xde, 42 0x5d, 0xae, 0x22, 0x23, 43 0xb0, 0x03, 0x61, 0xa3, 44 0x96, 0x17, 0x7a, 0x9c, 45 0xb4, 0x10, 0xff, 0x61, 46 0xf2, 0x00, 0x15, 0xad }; 47 48 std::string output1 = crypto::SHA256HashString(input1); 49 ASSERT_EQ(crypto::kSHA256Length, output1.size()); 50 for (size_t i = 0; i < crypto::kSHA256Length; i++) 51 EXPECT_EQ(expected1[i], static_cast<uint8_t>(output1[i])); 52 } 53 54 TEST(Sha256Test, Test2) { 55 // Example B.2 from FIPS 180-2: multi-block message. 56 std::string input2 = 57 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; 58 int expected2[] = { 0x24, 0x8d, 0x6a, 0x61, 59 0xd2, 0x06, 0x38, 0xb8, 60 0xe5, 0xc0, 0x26, 0x93, 61 0x0c, 0x3e, 0x60, 0x39, 62 0xa3, 0x3c, 0xe4, 0x59, 63 0x64, 0xff, 0x21, 0x67, 64 0xf6, 0xec, 0xed, 0xd4, 65 0x19, 0xdb, 0x06, 0xc1 }; 66 67 uint8_t output2[crypto::kSHA256Length]; 68 crypto::SHA256HashString(input2, output2, sizeof(output2)); 69 for (size_t i = 0; i < crypto::kSHA256Length; i++) 70 EXPECT_EQ(expected2[i], static_cast<int>(output2[i])); 71 72 uint8_t output_truncated2[6]; 73 crypto::SHA256HashString(input2, 74 output_truncated2, sizeof(output_truncated2)); 75 for (size_t i = 0; i < sizeof(output_truncated2); i++) 76 EXPECT_EQ(expected2[i], static_cast<int>(output_truncated2[i])); 77 } 78 79 TEST(Sha256Test, Test3) { 80 // Example B.3 from FIPS 180-2: long message. 81 std::string input3(1000000, 'a'); // 'a' repeated a million times 82 int expected3[] = { 0xcd, 0xc7, 0x6e, 0x5c, 83 0x99, 0x14, 0xfb, 0x92, 84 0x81, 0xa1, 0xc7, 0xe2, 85 0x84, 0xd7, 0x3e, 0x67, 86 0xf1, 0x80, 0x9a, 0x48, 87 0xa4, 0x97, 0x20, 0x0e, 88 0x04, 0x6d, 0x39, 0xcc, 89 0xc7, 0x11, 0x2c, 0xd0 }; 90 91 uint8_t output3[crypto::kSHA256Length]; 92 crypto::SHA256HashString(input3, output3, sizeof(output3)); 93 for (size_t i = 0; i < crypto::kSHA256Length; i++) 94 EXPECT_EQ(expected3[i], static_cast<int>(output3[i])); 95 96 uint8_t output_truncated3[12]; 97 crypto::SHA256HashString(input3, 98 output_truncated3, sizeof(output_truncated3)); 99 for (size_t i = 0; i < sizeof(output_truncated3); i++) 100 EXPECT_EQ(expected3[i], static_cast<int>(output_truncated3[i])); 101 } 102 103 } // namespace weave 104
