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base / hash / sha1_unittest.cc [blame]

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/hash/sha1.h"

#include <stddef.h>
#include <stdint.h>

#include <string>

#include "base/containers/span.h"
#include "base/hash/sha1_boringssl.h"
#include "testing/gtest/include/gtest/gtest.h"

TEST(SHA1Test, Test1) {
  // Example A.1 from FIPS 180-2: one-block message.
  std::string input = "abc";

  constexpr uint8_t kExpected[] = {0xa9, 0x99, 0x3e, 0x36, 0x47, 0x06, 0x81,
                                   0x6a, 0xba, 0x3e, 0x25, 0x71, 0x78, 0x50,
                                   0xc2, 0x6c, 0x9c, 0xd0, 0xd8, 0x9d};

  std::string output = base::SHA1HashString(input);
  EXPECT_EQ(kExpected, base::as_byte_span(output));
}

TEST(SHA1Test, Test2) {
  // Example A.2 from FIPS 180-2: multi-block message.
  std::string input =
      "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";

  constexpr uint8_t kExpected[] = {0x84, 0x98, 0x3e, 0x44, 0x1c, 0x3b, 0xd2,
                                   0x6e, 0xba, 0xae, 0x4a, 0xa1, 0xf9, 0x51,
                                   0x29, 0xe5, 0xe5, 0x46, 0x70, 0xf1};

  std::string output = base::SHA1HashString(input);
  EXPECT_EQ(kExpected, base::as_byte_span(output));
}

TEST(SHA1Test, Test3) {
  // Example A.3 from FIPS 180-2: long message.
  std::string input(1000000, 'a');

  constexpr uint8_t kExpected[] = {0x34, 0xaa, 0x97, 0x3c, 0xd4, 0xc4, 0xda,
                                   0xa4, 0xf6, 0x1e, 0xeb, 0x2b, 0xdb, 0xad,
                                   0x27, 0x31, 0x65, 0x34, 0x01, 0x6f};

  std::string output = base::SHA1HashString(input);
  EXPECT_EQ(kExpected, base::as_byte_span(output));
}

TEST(SHA1Test, Test1BytesAndSpan) {
  // Example A.1 from FIPS 180-2: one-block message.
  std::string input = "abc";

  constexpr uint8_t kExpected[] = {0xa9, 0x99, 0x3e, 0x36, 0x47, 0x06, 0x81,
                                   0x6a, 0xba, 0x3e, 0x25, 0x71, 0x78, 0x50,
                                   0xc2, 0x6c, 0x9c, 0xd0, 0xd8, 0x9d};

  base::SHA1Digest output = base::SHA1Hash(base::as_byte_span(input));
  EXPECT_EQ(kExpected, base::span(output));
}

TEST(SHA1Test, Test2BytesAndSpan) {
  // Example A.2 from FIPS 180-2: multi-block message.
  std::string input =
      "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";

  constexpr uint8_t kExpected[] = {0x84, 0x98, 0x3e, 0x44, 0x1c, 0x3b, 0xd2,
                                   0x6e, 0xba, 0xae, 0x4a, 0xa1, 0xf9, 0x51,
                                   0x29, 0xe5, 0xe5, 0x46, 0x70, 0xf1};

  base::SHA1Digest output = base::SHA1Hash(base::as_byte_span(input));
  EXPECT_EQ(kExpected, base::as_byte_span(output));
}

TEST(SHA1Test, Test3BytesAndSpan) {
  // Example A.3 from FIPS 180-2: long message.
  std::string input(1000000, 'a');

  constexpr uint8_t kExpected[] = {0x34, 0xaa, 0x97, 0x3c, 0xd4, 0xc4, 0xda,
                                   0xa4, 0xf6, 0x1e, 0xeb, 0x2b, 0xdb, 0xad,
                                   0x27, 0x31, 0x65, 0x34, 0x01, 0x6f};

  base::SHA1Digest output = base::SHA1Hash(base::as_byte_span(input));
  EXPECT_EQ(kExpected, base::as_byte_span(output));
}

TEST(SHA1Test, StreamingSHA1WithWholeInput) {
  // Example A.1 from FIPS 180-2: one-block message.
  std::string input = "abc";
  constexpr uint8_t kExpected[] = {0xa9, 0x99, 0x3e, 0x36, 0x47, 0x06, 0x81,
                                   0x6a, 0xba, 0x3e, 0x25, 0x71, 0x78, 0x50,
                                   0xc2, 0x6c, 0x9c, 0xd0, 0xd8, 0x9d};

  base::SHA1Context context;
  base::SHA1Digest digest;
  base::SHA1Init(context);
  base::SHA1Update(input, context);
  base::SHA1Final(context, digest);
  EXPECT_EQ(base::span(kExpected), digest);
}

TEST(SHA1Test, StreamingSHA1WithChunkedInput) {
  // Example A.3 from FIPS 180-2: long message, split into 2 updates.
  std::string input1(500000, 'a');
  std::string input2(500000, 'a');
  std::string input = input1 + input2;
  constexpr uint8_t kExpected[] = {0x34, 0xaa, 0x97, 0x3c, 0xd4, 0xc4, 0xda,
                                   0xa4, 0xf6, 0x1e, 0xeb, 0x2b, 0xdb, 0xad,
                                   0x27, 0x31, 0x65, 0x34, 0x01, 0x6f};

  base::SHA1Context context;
  base::SHA1Digest digest;

  base::SHA1Init(context);
  base::SHA1Update(input1, context);
  base::SHA1Update(input2, context);
  base::SHA1Final(context, digest);
  EXPECT_EQ(base::span(kExpected), digest);
}