| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "crypto/sha2.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| TEST(Sha256Test, Test1) { |
| // Example B.1 from FIPS 180-2: one-block message. |
| std::string input1 = "abc"; |
| int expected1[] = { 0xba, 0x78, 0x16, 0xbf, |
| 0x8f, 0x01, 0xcf, 0xea, |
| 0x41, 0x41, 0x40, 0xde, |
| 0x5d, 0xae, 0x22, 0x23, |
| 0xb0, 0x03, 0x61, 0xa3, |
| 0x96, 0x17, 0x7a, 0x9c, |
| 0xb4, 0x10, 0xff, 0x61, |
| 0xf2, 0x00, 0x15, 0xad }; |
| |
| uint8_t output1[crypto::kSHA256Length]; |
| crypto::SHA256HashString(input1, output1, sizeof(output1)); |
| for (size_t i = 0; i < crypto::kSHA256Length; i++) |
| EXPECT_EQ(expected1[i], static_cast<int>(output1[i])); |
| |
| uint8_t output_truncated1[4]; // 4 bytes == 32 bits |
| crypto::SHA256HashString(input1, |
| output_truncated1, sizeof(output_truncated1)); |
| for (size_t i = 0; i < sizeof(output_truncated1); i++) |
| EXPECT_EQ(expected1[i], static_cast<int>(output_truncated1[i])); |
| } |
| |
| TEST(Sha256Test, Test1_String) { |
| // Same as the above, but using the wrapper that returns a std::string. |
| // Example B.1 from FIPS 180-2: one-block message. |
| std::string input1 = "abc"; |
| int expected1[] = { 0xba, 0x78, 0x16, 0xbf, |
| 0x8f, 0x01, 0xcf, 0xea, |
| 0x41, 0x41, 0x40, 0xde, |
| 0x5d, 0xae, 0x22, 0x23, |
| 0xb0, 0x03, 0x61, 0xa3, |
| 0x96, 0x17, 0x7a, 0x9c, |
| 0xb4, 0x10, 0xff, 0x61, |
| 0xf2, 0x00, 0x15, 0xad }; |
| |
| std::string output1 = crypto::SHA256HashString(input1); |
| ASSERT_EQ(crypto::kSHA256Length, output1.size()); |
| for (size_t i = 0; i < crypto::kSHA256Length; i++) |
| EXPECT_EQ(expected1[i], static_cast<uint8_t>(output1[i])); |
| } |
| |
| TEST(Sha256Test, Test2) { |
| // Example B.2 from FIPS 180-2: multi-block message. |
| std::string input2 = |
| "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; |
| int expected2[] = { 0x24, 0x8d, 0x6a, 0x61, |
| 0xd2, 0x06, 0x38, 0xb8, |
| 0xe5, 0xc0, 0x26, 0x93, |
| 0x0c, 0x3e, 0x60, 0x39, |
| 0xa3, 0x3c, 0xe4, 0x59, |
| 0x64, 0xff, 0x21, 0x67, |
| 0xf6, 0xec, 0xed, 0xd4, |
| 0x19, 0xdb, 0x06, 0xc1 }; |
| |
| uint8_t output2[crypto::kSHA256Length]; |
| crypto::SHA256HashString(input2, output2, sizeof(output2)); |
| for (size_t i = 0; i < crypto::kSHA256Length; i++) |
| EXPECT_EQ(expected2[i], static_cast<int>(output2[i])); |
| |
| uint8_t output_truncated2[6]; |
| crypto::SHA256HashString(input2, |
| output_truncated2, sizeof(output_truncated2)); |
| for (size_t i = 0; i < sizeof(output_truncated2); i++) |
| EXPECT_EQ(expected2[i], static_cast<int>(output_truncated2[i])); |
| } |
| |
| TEST(Sha256Test, Test3) { |
| // Example B.3 from FIPS 180-2: long message. |
| std::string input3(1000000, 'a'); // 'a' repeated a million times |
| int expected3[] = { 0xcd, 0xc7, 0x6e, 0x5c, |
| 0x99, 0x14, 0xfb, 0x92, |
| 0x81, 0xa1, 0xc7, 0xe2, |
| 0x84, 0xd7, 0x3e, 0x67, |
| 0xf1, 0x80, 0x9a, 0x48, |
| 0xa4, 0x97, 0x20, 0x0e, |
| 0x04, 0x6d, 0x39, 0xcc, |
| 0xc7, 0x11, 0x2c, 0xd0 }; |
| |
| uint8_t output3[crypto::kSHA256Length]; |
| crypto::SHA256HashString(input3, output3, sizeof(output3)); |
| for (size_t i = 0; i < crypto::kSHA256Length; i++) |
| EXPECT_EQ(expected3[i], static_cast<int>(output3[i])); |
| |
| uint8_t output_truncated3[12]; |
| crypto::SHA256HashString(input3, |
| output_truncated3, sizeof(output_truncated3)); |
| for (size_t i = 0; i < sizeof(output_truncated3); i++) |
| EXPECT_EQ(expected3[i], static_cast<int>(output_truncated3[i])); |
| } |