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70 lines
2.6 KiB
70 lines
2.6 KiB
// Copyright 2019 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "util/crypto/sha2.h"
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#include <stddef.h>
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#include <stdint.h>
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "util/std_util.h"
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namespace openscreen {
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TEST(Sha256Test, Test1) {
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// Example B.1 from FIPS 180-2: one-block message.
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std::string input = "abc";
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constexpr uint8_t kExpected[] = {
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0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40,
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0xde, 0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17,
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0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad};
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uint8_t output[SHA256_DIGEST_LENGTH];
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EXPECT_EQ(Error::None(), SHA256HashString(input, output));
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EXPECT_THAT(output, testing::ElementsAreArray(kExpected));
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}
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TEST(Sha256Test, Test1_String) {
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// Same as the above, but using the wrapper that returns a std::string.
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// Example B.1 from FIPS 180-2: one-block message.
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std::string input = "abc";
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constexpr uint8_t kExpected[] = {
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0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40,
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0xde, 0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17,
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0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad};
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const ErrorOr<std::string> output = SHA256HashString(input);
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EXPECT_TRUE(output.is_value());
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ASSERT_EQ(static_cast<size_t>(SHA256_DIGEST_LENGTH), output.value().size());
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EXPECT_THAT(output.value(), testing::ElementsAreArray(kExpected));
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}
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TEST(Sha256Test, Test2) {
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// Example B.2 from FIPS 180-2: multi-block message.
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std::string input =
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"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
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constexpr uint8_t kExpected[] = {
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0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26,
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0x93, 0x0c, 0x3e, 0x60, 0x39, 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff,
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0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1};
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uint8_t output[SHA256_DIGEST_LENGTH];
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EXPECT_EQ(Error::None(), SHA256HashString(input, output));
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EXPECT_THAT(output, testing::ElementsAreArray(kExpected));
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}
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TEST(Sha256Test, Test3) {
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// Example B.3 from FIPS 180-2: long message.
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std::string input(1000000, 'a'); // 'a' repeated a million times
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constexpr uint8_t kExpected[] = {
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0xcd, 0xc7, 0x6e, 0x5c, 0x99, 0x14, 0xfb, 0x92, 0x81, 0xa1, 0xc7,
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0xe2, 0x84, 0xd7, 0x3e, 0x67, 0xf1, 0x80, 0x9a, 0x48, 0xa4, 0x97,
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0x20, 0x0e, 0x04, 0x6d, 0x39, 0xcc, 0xc7, 0x11, 0x2c, 0xd0};
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uint8_t output[SHA256_DIGEST_LENGTH];
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EXPECT_EQ(Error::None(), SHA256HashString(input, output));
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EXPECT_THAT(output, testing::ElementsAreArray(kExpected));
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}
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} // namespace openscreen
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