| // Copyright 2019 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 "util/crypto/sha2.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "util/std_util.h" |
| |
| namespace openscreen { |
| TEST(Sha256Test, Test1) { |
| // Example B.1 from FIPS 180-2: one-block message. |
| std::string input = "abc"; |
| constexpr uint8_t kExpected[] = { |
| 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 output[SHA256_DIGEST_LENGTH]; |
| EXPECT_EQ(Error::None(), SHA256HashString(input, output)); |
| EXPECT_THAT(output, testing::ElementsAreArray(kExpected)); |
| } |
| |
| 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 input = "abc"; |
| constexpr uint8_t kExpected[] = { |
| 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}; |
| |
| const ErrorOr<std::string> output = SHA256HashString(input); |
| EXPECT_TRUE(output.is_value()); |
| ASSERT_EQ(static_cast<size_t>(SHA256_DIGEST_LENGTH), output.value().size()); |
| EXPECT_THAT(output.value(), testing::ElementsAreArray(kExpected)); |
| } |
| |
| TEST(Sha256Test, Test2) { |
| // Example B.2 from FIPS 180-2: multi-block message. |
| std::string input = |
| "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; |
| constexpr uint8_t kExpected[] = { |
| 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 output[SHA256_DIGEST_LENGTH]; |
| EXPECT_EQ(Error::None(), SHA256HashString(input, output)); |
| EXPECT_THAT(output, testing::ElementsAreArray(kExpected)); |
| } |
| |
| TEST(Sha256Test, Test3) { |
| // Example B.3 from FIPS 180-2: long message. |
| std::string input(1000000, 'a'); // 'a' repeated a million times |
| constexpr uint8_t kExpected[] = { |
| 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 output[SHA256_DIGEST_LENGTH]; |
| EXPECT_EQ(Error::None(), SHA256HashString(input, output)); |
| EXPECT_THAT(output, testing::ElementsAreArray(kExpected)); |
| } |
| } // namespace openscreen |