src/crypto/hmac_unittest.cc - cobalt - Git at Google

 // 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 <string>

 #include "base/macros.h"
 #include "crypto/hmac.h"
 #include "starboard/memory.h"
 #include "starboard/types.h"
 #include "testing/gtest/include/gtest/gtest.h"

 static const size_t kSHA1DigestSize = 20;
 static const size_t kSHA256DigestSize = 32;

 static const char* kSimpleKey =
     "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
     "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
     "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
     "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
     "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA";
 static const size_t kSimpleKeyLength = 80;

 static const struct {
   const char *data;
   const int data_len;
   const char *digest;
 } kSimpleHmacCases[] = {
   { "Test Using Larger Than Block-Size Key - Hash Key First", 54,
     "\xAA\x4A\xE5\xE1\x52\x72\xD0\x0E\x95\x70\x56\x37\xCE\x8A\x3B\x55"
         "\xED\x40\x21\x12" },
   { "Test Using Larger Than Block-Size Key and Larger "
         "Than One Block-Size Data", 73,
     "\xE8\xE9\x9D\x0F\x45\x23\x7D\x78\x6D\x6B\xBA\xA7\x96\x5C\x78\x08"
         "\xBB\xFF\x1A\x91" }
 };

 TEST(HMACTest, HmacSafeBrowsingResponseTest) {
   const int kKeySize = 16;

   // Client key.
   const unsigned char kClientKey[kKeySize] =
       { 0xbf, 0xf6, 0x83, 0x4b, 0x3e, 0xa3, 0x23, 0xdd,
         0x96, 0x78, 0x70, 0x8e, 0xa1, 0x9d, 0x3b, 0x40 };

   // Expected HMAC result using kMessage and kClientKey.
   const unsigned char kReceivedHmac[kSHA1DigestSize] =
       { 0xb9, 0x3c, 0xd6, 0xf0, 0x49, 0x47, 0xe2, 0x52,
         0x59, 0x7a, 0xbd, 0x1f, 0x2b, 0x4c, 0x83, 0xad,
         0x86, 0xd2, 0x48, 0x85 };

   const char kMessage[] =
 "n:1896\ni:goog-malware-shavar\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shav"
 "ar_s_445-450\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_439-444\nu:s"
 ".ytimg.com/safebrowsing/rd/goog-malware-shavar_s_437\nu:s.ytimg.com/safebrowsi"
 "ng/rd/goog-malware-shavar_s_436\nu:s.ytimg.com/safebrowsing/rd/goog-malware-sh"
 "avar_s_433-435\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_431\nu:s.y"
 "timg.com/safebrowsing/rd/goog-malware-shavar_s_430\nu:s.ytimg.com/safebrowsing"
 "/rd/goog-malware-shavar_s_429\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shav"
 "ar_s_428\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_426\nu:s.ytimg.c"
 "om/safebrowsing/rd/goog-malware-shavar_s_424\nu:s.ytimg.com/safebrowsing/rd/go"
 "og-malware-shavar_s_423\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_4"
 "22\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_420\nu:s.ytimg.com/saf"
 "ebrowsing/rd/goog-malware-shavar_s_419\nu:s.ytimg.com/safebrowsing/rd/goog-mal"
 "ware-shavar_s_414\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_409-411"
 "\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_405\nu:s.ytimg.com/safeb"
 "rowsing/rd/goog-malware-shavar_s_404\nu:s.ytimg.com/safebrowsing/rd/goog-malwa"
 "re-shavar_s_402\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_401\nu:s."
 "ytimg.com/safebrowsing/rd/goog-malware-shavar_a_973-978\nu:s.ytimg.com/safebro"
 "wsing/rd/goog-malware-shavar_a_937-972\nu:s.ytimg.com/safebrowsing/rd/goog-mal"
 "ware-shavar_a_931-936\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_a_925"
 "-930\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_a_919-924\ni:goog-phis"
 "h-shavar\nu:s.ytimg.com/safebrowsing/rd/goog-phish-shavar_a_2633\nu:s.ytimg.co"
 "m/safebrowsing/rd/goog-phish-shavar_a_2632\nu:s.ytimg.com/safebrowsing/rd/goog"
 "-phish-shavar_a_2629-2631\nu:s.ytimg.com/safebrowsing/rd/goog-phish-shavar_a_2"
 "626-2628\nu:s.ytimg.com/safebrowsing/rd/goog-phish-shavar_a_2625\n";

   std::string message_data(kMessage);

   crypto::HMAC hmac(crypto::HMAC::SHA1);
   ASSERT_TRUE(hmac.Init(kClientKey, kKeySize));
   unsigned char calculated_hmac[kSHA1DigestSize];

   EXPECT_TRUE(hmac.Sign(message_data, calculated_hmac, kSHA1DigestSize));
   EXPECT_EQ(0,
             SbMemoryCompare(kReceivedHmac, calculated_hmac, kSHA1DigestSize));
 }

 // Test cases from RFC 2202 section 3
 TEST(HMACTest, RFC2202TestCases) {
   const struct {
     const char *key;
     const int key_len;
     const char *data;
     const int data_len;
     const char *digest;
   } cases[] = {
     { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B"
           "\x0B\x0B\x0B\x0B", 20,
       "Hi There", 8,
       "\xB6\x17\x31\x86\x55\x05\x72\x64\xE2\x8B\xC0\xB6\xFB\x37\x8C\x8E"
           "\xF1\x46\xBE\x00" },
     { "Jefe", 4,
       "what do ya want for nothing?", 28,
       "\xEF\xFC\xDF\x6A\xE5\xEB\x2F\xA2\xD2\x74\x16\xD5\xF1\x84\xDF\x9C"
           "\x25\x9A\x7C\x79" },
     { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
           "\xAA\xAA\xAA\xAA", 20,
       "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
           "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
           "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
           "\xDD\xDD", 50,
       "\x12\x5D\x73\x42\xB9\xAC\x11\xCD\x91\xA3\x9A\xF4\x8A\xA1\x7B\x4F"
           "\x63\xF1\x75\xD3" },
     { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10"
           "\x11\x12\x13\x14\x15\x16\x17\x18\x19", 25,
       "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
           "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
           "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
           "\xCD\xCD", 50,
       "\x4C\x90\x07\xF4\x02\x62\x50\xC6\xBC\x84\x14\xF9\xBF\x50\xC8\x6C"
           "\x2D\x72\x35\xDA" },
     { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C"
           "\x0C\x0C\x0C\x0C", 20,
       "Test With Truncation", 20,
       "\x4C\x1A\x03\x42\x4B\x55\xE0\x7F\xE7\xF2\x7B\xE1\xD5\x8B\xB9\x32"
           "\x4A\x9A\x5A\x04" },
     { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
           "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
           "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
           "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
           "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
       80,
       "Test Using Larger Than Block-Size Key - Hash Key First", 54,
       "\xAA\x4A\xE5\xE1\x52\x72\xD0\x0E\x95\x70\x56\x37\xCE\x8A\x3B\x55"
           "\xED\x40\x21\x12" },
     { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
           "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
           "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
           "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
           "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
       80,
       "Test Using Larger Than Block-Size Key and Larger "
           "Than One Block-Size Data", 73,
       "\xE8\xE9\x9D\x0F\x45\x23\x7D\x78\x6D\x6B\xBA\xA7\x96\x5C\x78\x08"
           "\xBB\xFF\x1A\x91" }
   };

   for (size_t i = 0; i < arraysize(cases); ++i) {
     crypto::HMAC hmac(crypto::HMAC::SHA1);
     ASSERT_TRUE(hmac.Init(reinterpret_cast<const unsigned char*>(cases[i].key),
                           cases[i].key_len));
     std::string data_string(cases[i].data, cases[i].data_len);
     unsigned char digest[kSHA1DigestSize];
     EXPECT_TRUE(hmac.Sign(data_string, digest, kSHA1DigestSize));
     EXPECT_EQ(0, SbMemoryCompare(cases[i].digest, digest, kSHA1DigestSize));
   }
 }

 // TODO(wtc): add other test vectors from RFC 4231.
 TEST(HMACTest, RFC4231TestCase6) {
   unsigned char key[131];
   for (size_t i = 0; i < sizeof(key); ++i)
     key[i] = 0xaa;

   std::string data = "Test Using Larger Than Block-Size Key - Hash Key First";
   ASSERT_EQ(54U, data.size());

   static unsigned char kKnownHMACSHA256[] = {
     0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f,
     0x0d, 0x8a, 0x26, 0xaa, 0xcb, 0xf5, 0xb7, 0x7f,
     0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28, 0xc5, 0x14,
     0x05, 0x46, 0x04, 0x0f, 0x0e, 0xe3, 0x7f, 0x54
   };

   crypto::HMAC hmac(crypto::HMAC::SHA256);
   ASSERT_TRUE(hmac.Init(key, sizeof(key)));
   unsigned char calculated_hmac[kSHA256DigestSize];

   EXPECT_EQ(kSHA256DigestSize, hmac.DigestLength());
   EXPECT_TRUE(hmac.Sign(data, calculated_hmac, kSHA256DigestSize));
   EXPECT_EQ(
       0, SbMemoryCompare(kKnownHMACSHA256, calculated_hmac, kSHA256DigestSize));
 }

 // Based on NSS's FIPS HMAC power-up self-test.
 TEST(HMACTest, NSSFIPSPowerUpSelfTest) {
   static const char kKnownMessage[] =
       "The test message for the MD2, MD5, and SHA-1 hashing algorithms.";

   static const unsigned char kKnownSecretKey[] = {
     0x46, 0x69, 0x72, 0x65, 0x66, 0x6f, 0x78, 0x20,
     0x61, 0x6e, 0x64, 0x20, 0x54, 0x68, 0x75, 0x6e,
     0x64, 0x65, 0x72, 0x42, 0x69, 0x72, 0x64, 0x20,
     0x61, 0x72, 0x65, 0x20, 0x61, 0x77, 0x65, 0x73,
     0x6f, 0x6d, 0x65, 0x21, 0x00
   };

   static const size_t kKnownSecretKeySize = sizeof(kKnownSecretKey);

   // HMAC-SHA-1 known answer (20 bytes).
   static const unsigned char kKnownHMACSHA1[] = {
     0xd5, 0x85, 0xf6, 0x5b, 0x39, 0xfa, 0xb9, 0x05,
     0x3b, 0x57, 0x1d, 0x61, 0xe7, 0xb8, 0x84, 0x1e,
     0x5d, 0x0e, 0x1e, 0x11
   };

   // HMAC-SHA-256 known answer (32 bytes).
   static const unsigned char kKnownHMACSHA256[] = {
     0x05, 0x75, 0x9a, 0x9e, 0x70, 0x5e, 0xe7, 0x44,
     0xe2, 0x46, 0x4b, 0x92, 0x22, 0x14, 0x22, 0xe0,
     0x1b, 0x92, 0x8a, 0x0c, 0xfe, 0xf5, 0x49, 0xe9,
     0xa7, 0x1b, 0x56, 0x7d, 0x1d, 0x29, 0x40, 0x48
   };

   std::string message_data(kKnownMessage);

   crypto::HMAC hmac(crypto::HMAC::SHA1);
   ASSERT_TRUE(hmac.Init(kKnownSecretKey, kKnownSecretKeySize));
   unsigned char calculated_hmac[kSHA1DigestSize];

   EXPECT_EQ(kSHA1DigestSize, hmac.DigestLength());
   EXPECT_TRUE(hmac.Sign(message_data, calculated_hmac, kSHA1DigestSize));
   EXPECT_EQ(0,
             SbMemoryCompare(kKnownHMACSHA1, calculated_hmac, kSHA1DigestSize));
   EXPECT_TRUE(hmac.Verify(
       message_data,
       base::StringPiece(reinterpret_cast<const char*>(kKnownHMACSHA1),
                         kSHA1DigestSize)));
   EXPECT_TRUE(hmac.VerifyTruncated(
       message_data,
       base::StringPiece(reinterpret_cast<const char*>(kKnownHMACSHA1),
                         kSHA1DigestSize / 2)));

   crypto::HMAC hmac2(crypto::HMAC::SHA256);
   ASSERT_TRUE(hmac2.Init(kKnownSecretKey, kKnownSecretKeySize));
   unsigned char calculated_hmac2[kSHA256DigestSize];

   EXPECT_TRUE(hmac2.Sign(message_data, calculated_hmac2, kSHA256DigestSize));
   EXPECT_EQ(0, SbMemoryCompare(kKnownHMACSHA256, calculated_hmac2,
                                kSHA256DigestSize));
 }

 TEST(HMACTest, HMACObjectReuse) {
   crypto::HMAC hmac(crypto::HMAC::SHA1);
   ASSERT_TRUE(
       hmac.Init(reinterpret_cast<const unsigned char*>(kSimpleKey),
                 kSimpleKeyLength));
   for (size_t i = 0; i < arraysize(kSimpleHmacCases); ++i) {
     std::string data_string(kSimpleHmacCases[i].data,
                             kSimpleHmacCases[i].data_len);
     unsigned char digest[kSHA1DigestSize];
     EXPECT_TRUE(hmac.Sign(data_string, digest, kSHA1DigestSize));
     EXPECT_EQ(0, SbMemoryCompare(kSimpleHmacCases[i].digest, digest,
                                  kSHA1DigestSize));
   }
 }

 TEST(HMACTest, Verify) {
   crypto::HMAC hmac(crypto::HMAC::SHA1);
   ASSERT_TRUE(
       hmac.Init(reinterpret_cast<const unsigned char*>(kSimpleKey),
                 kSimpleKeyLength));
   const char empty_digest[kSHA1DigestSize] = { 0 };
   for (size_t i = 0; i < arraysize(kSimpleHmacCases); ++i) {
     // Expected results
     EXPECT_TRUE(hmac.Verify(
         base::StringPiece(kSimpleHmacCases[i].data,
                           kSimpleHmacCases[i].data_len),
         base::StringPiece(kSimpleHmacCases[i].digest,
                           kSHA1DigestSize)));
     // Mismatched size
     EXPECT_FALSE(hmac.Verify(
         base::StringPiece(kSimpleHmacCases[i].data,
                           kSimpleHmacCases[i].data_len),
         base::StringPiece(kSimpleHmacCases[i].data,
                           kSimpleHmacCases[i].data_len)));

     // Expected size, mismatched data
     EXPECT_FALSE(hmac.Verify(
         base::StringPiece(kSimpleHmacCases[i].data,
                           kSimpleHmacCases[i].data_len),
         base::StringPiece(empty_digest, kSHA1DigestSize)));
   }
 }

 TEST(HMACTest, EmptyKey) {
   // Test vector from https://en.wikipedia.org/wiki/HMAC
   const char* kExpectedDigest =
       "\xFB\xDB\x1D\x1B\x18\xAA\x6C\x08\x32\x4B\x7D\x64\xB7\x1F\xB7\x63"
       "\x70\x69\x0E\x1D";
   base::StringPiece data("");

   crypto::HMAC hmac(crypto::HMAC::SHA1);
   ASSERT_TRUE(hmac.Init(nullptr, 0));

   unsigned char digest[kSHA1DigestSize];
   EXPECT_TRUE(hmac.Sign(data, digest, kSHA1DigestSize));
   EXPECT_EQ(0, SbMemoryCompare(kExpectedDigest, digest, kSHA1DigestSize));

   EXPECT_TRUE(hmac.Verify(
       data, base::StringPiece(kExpectedDigest, kSHA1DigestSize)));
 }
	// 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 <string>

	#include "base/macros.h"
	#include "crypto/hmac.h"
	#include "starboard/memory.h"
	#include "starboard/types.h"
	#include "testing/gtest/include/gtest/gtest.h"

	static const size_t kSHA1DigestSize = 20;
	static const size_t kSHA256DigestSize = 32;

	static const char* kSimpleKey =
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA";
	static const size_t kSimpleKeyLength = 80;

	static const struct {
	const char *data;
	const int data_len;
	const char *digest;
	} kSimpleHmacCases[] = {
	{ "Test Using Larger Than Block-Size Key - Hash Key First", 54,
	"\xAA\x4A\xE5\xE1\x52\x72\xD0\x0E\x95\x70\x56\x37\xCE\x8A\x3B\x55"
	"\xED\x40\x21\x12" },
	{ "Test Using Larger Than Block-Size Key and Larger "
	"Than One Block-Size Data", 73,
	"\xE8\xE9\x9D\x0F\x45\x23\x7D\x78\x6D\x6B\xBA\xA7\x96\x5C\x78\x08"
	"\xBB\xFF\x1A\x91" }
	};

	TEST(HMACTest, HmacSafeBrowsingResponseTest) {
	const int kKeySize = 16;

	// Client key.
	const unsigned char kClientKey[kKeySize] =
	{ 0xbf, 0xf6, 0x83, 0x4b, 0x3e, 0xa3, 0x23, 0xdd,
	0x96, 0x78, 0x70, 0x8e, 0xa1, 0x9d, 0x3b, 0x40 };

	// Expected HMAC result using kMessage and kClientKey.
	const unsigned char kReceivedHmac[kSHA1DigestSize] =
	{ 0xb9, 0x3c, 0xd6, 0xf0, 0x49, 0x47, 0xe2, 0x52,
	0x59, 0x7a, 0xbd, 0x1f, 0x2b, 0x4c, 0x83, 0xad,
	0x86, 0xd2, 0x48, 0x85 };

	const char kMessage[] =
	"n:1896\ni:goog-malware-shavar\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shav"
	"ar_s_445-450\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_439-444\nu:s"
	".ytimg.com/safebrowsing/rd/goog-malware-shavar_s_437\nu:s.ytimg.com/safebrowsi"
	"ng/rd/goog-malware-shavar_s_436\nu:s.ytimg.com/safebrowsing/rd/goog-malware-sh"
	"avar_s_433-435\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_431\nu:s.y"
	"timg.com/safebrowsing/rd/goog-malware-shavar_s_430\nu:s.ytimg.com/safebrowsing"
	"/rd/goog-malware-shavar_s_429\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shav"
	"ar_s_428\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_426\nu:s.ytimg.c"
	"om/safebrowsing/rd/goog-malware-shavar_s_424\nu:s.ytimg.com/safebrowsing/rd/go"
	"og-malware-shavar_s_423\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_4"
	"22\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_420\nu:s.ytimg.com/saf"
	"ebrowsing/rd/goog-malware-shavar_s_419\nu:s.ytimg.com/safebrowsing/rd/goog-mal"
	"ware-shavar_s_414\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_409-411"
	"\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_405\nu:s.ytimg.com/safeb"
	"rowsing/rd/goog-malware-shavar_s_404\nu:s.ytimg.com/safebrowsing/rd/goog-malwa"
	"re-shavar_s_402\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_s_401\nu:s."
	"ytimg.com/safebrowsing/rd/goog-malware-shavar_a_973-978\nu:s.ytimg.com/safebro"
	"wsing/rd/goog-malware-shavar_a_937-972\nu:s.ytimg.com/safebrowsing/rd/goog-mal"
	"ware-shavar_a_931-936\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_a_925"
	"-930\nu:s.ytimg.com/safebrowsing/rd/goog-malware-shavar_a_919-924\ni:goog-phis"
	"h-shavar\nu:s.ytimg.com/safebrowsing/rd/goog-phish-shavar_a_2633\nu:s.ytimg.co"
	"m/safebrowsing/rd/goog-phish-shavar_a_2632\nu:s.ytimg.com/safebrowsing/rd/goog"
	"-phish-shavar_a_2629-2631\nu:s.ytimg.com/safebrowsing/rd/goog-phish-shavar_a_2"
	"626-2628\nu:s.ytimg.com/safebrowsing/rd/goog-phish-shavar_a_2625\n";

	std::string message_data(kMessage);

	crypto::HMAC hmac(crypto::HMAC::SHA1);
	ASSERT_TRUE(hmac.Init(kClientKey, kKeySize));
	unsigned char calculated_hmac[kSHA1DigestSize];

	EXPECT_TRUE(hmac.Sign(message_data, calculated_hmac, kSHA1DigestSize));
	EXPECT_EQ(0,
	SbMemoryCompare(kReceivedHmac, calculated_hmac, kSHA1DigestSize));
	}

	// Test cases from RFC 2202 section 3
	TEST(HMACTest, RFC2202TestCases) {
	const struct {
	const char *key;
	const int key_len;
	const char *data;
	const int data_len;
	const char *digest;
	} cases[] = {
	{ "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B"
	"\x0B\x0B\x0B\x0B", 20,
	"Hi There", 8,
	"\xB6\x17\x31\x86\x55\x05\x72\x64\xE2\x8B\xC0\xB6\xFB\x37\x8C\x8E"
	"\xF1\x46\xBE\x00" },
	{ "Jefe", 4,
	"what do ya want for nothing?", 28,
	"\xEF\xFC\xDF\x6A\xE5\xEB\x2F\xA2\xD2\x74\x16\xD5\xF1\x84\xDF\x9C"
	"\x25\x9A\x7C\x79" },
	{ "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA", 20,
	"\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
	"\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
	"\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
	"\xDD\xDD", 50,
	"\x12\x5D\x73\x42\xB9\xAC\x11\xCD\x91\xA3\x9A\xF4\x8A\xA1\x7B\x4F"
	"\x63\xF1\x75\xD3" },
	{ "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10"
	"\x11\x12\x13\x14\x15\x16\x17\x18\x19", 25,
	"\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
	"\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
	"\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
	"\xCD\xCD", 50,
	"\x4C\x90\x07\xF4\x02\x62\x50\xC6\xBC\x84\x14\xF9\xBF\x50\xC8\x6C"
	"\x2D\x72\x35\xDA" },
	{ "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C"
	"\x0C\x0C\x0C\x0C", 20,
	"Test With Truncation", 20,
	"\x4C\x1A\x03\x42\x4B\x55\xE0\x7F\xE7\xF2\x7B\xE1\xD5\x8B\xB9\x32"
	"\x4A\x9A\x5A\x04" },
	{ "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
	80,
	"Test Using Larger Than Block-Size Key - Hash Key First", 54,
	"\xAA\x4A\xE5\xE1\x52\x72\xD0\x0E\x95\x70\x56\x37\xCE\x8A\x3B\x55"
	"\xED\x40\x21\x12" },
	{ "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
	"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA",
	80,
	"Test Using Larger Than Block-Size Key and Larger "
	"Than One Block-Size Data", 73,
	"\xE8\xE9\x9D\x0F\x45\x23\x7D\x78\x6D\x6B\xBA\xA7\x96\x5C\x78\x08"
	"\xBB\xFF\x1A\x91" }
	};

	for (size_t i = 0; i < arraysize(cases); ++i) {
	crypto::HMAC hmac(crypto::HMAC::SHA1);
	ASSERT_TRUE(hmac.Init(reinterpret_cast<const unsigned char*>(cases[i].key),
	cases[i].key_len));
	std::string data_string(cases[i].data, cases[i].data_len);
	unsigned char digest[kSHA1DigestSize];
	EXPECT_TRUE(hmac.Sign(data_string, digest, kSHA1DigestSize));
	EXPECT_EQ(0, SbMemoryCompare(cases[i].digest, digest, kSHA1DigestSize));
	}
	}

	// TODO(wtc): add other test vectors from RFC 4231.
	TEST(HMACTest, RFC4231TestCase6) {
	unsigned char key[131];
	for (size_t i = 0; i < sizeof(key); ++i)
	key[i] = 0xaa;

	std::string data = "Test Using Larger Than Block-Size Key - Hash Key First";
	ASSERT_EQ(54U, data.size());

	static unsigned char kKnownHMACSHA256[] = {
	0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f,
	0x0d, 0x8a, 0x26, 0xaa, 0xcb, 0xf5, 0xb7, 0x7f,
	0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28, 0xc5, 0x14,
	0x05, 0x46, 0x04, 0x0f, 0x0e, 0xe3, 0x7f, 0x54
	};

	crypto::HMAC hmac(crypto::HMAC::SHA256);
	ASSERT_TRUE(hmac.Init(key, sizeof(key)));
	unsigned char calculated_hmac[kSHA256DigestSize];

	EXPECT_EQ(kSHA256DigestSize, hmac.DigestLength());
	EXPECT_TRUE(hmac.Sign(data, calculated_hmac, kSHA256DigestSize));
	EXPECT_EQ(
	0, SbMemoryCompare(kKnownHMACSHA256, calculated_hmac, kSHA256DigestSize));
	}

	// Based on NSS's FIPS HMAC power-up self-test.
	TEST(HMACTest, NSSFIPSPowerUpSelfTest) {
	static const char kKnownMessage[] =
	"The test message for the MD2, MD5, and SHA-1 hashing algorithms.";

	static const unsigned char kKnownSecretKey[] = {
	0x46, 0x69, 0x72, 0x65, 0x66, 0x6f, 0x78, 0x20,
	0x61, 0x6e, 0x64, 0x20, 0x54, 0x68, 0x75, 0x6e,
	0x64, 0x65, 0x72, 0x42, 0x69, 0x72, 0x64, 0x20,
	0x61, 0x72, 0x65, 0x20, 0x61, 0x77, 0x65, 0x73,
	0x6f, 0x6d, 0x65, 0x21, 0x00
	};

	static const size_t kKnownSecretKeySize = sizeof(kKnownSecretKey);

	// HMAC-SHA-1 known answer (20 bytes).
	static const unsigned char kKnownHMACSHA1[] = {
	0xd5, 0x85, 0xf6, 0x5b, 0x39, 0xfa, 0xb9, 0x05,
	0x3b, 0x57, 0x1d, 0x61, 0xe7, 0xb8, 0x84, 0x1e,
	0x5d, 0x0e, 0x1e, 0x11
	};

	// HMAC-SHA-256 known answer (32 bytes).
	static const unsigned char kKnownHMACSHA256[] = {
	0x05, 0x75, 0x9a, 0x9e, 0x70, 0x5e, 0xe7, 0x44,
	0xe2, 0x46, 0x4b, 0x92, 0x22, 0x14, 0x22, 0xe0,
	0x1b, 0x92, 0x8a, 0x0c, 0xfe, 0xf5, 0x49, 0xe9,
	0xa7, 0x1b, 0x56, 0x7d, 0x1d, 0x29, 0x40, 0x48
	};

	std::string message_data(kKnownMessage);

	crypto::HMAC hmac(crypto::HMAC::SHA1);
	ASSERT_TRUE(hmac.Init(kKnownSecretKey, kKnownSecretKeySize));
	unsigned char calculated_hmac[kSHA1DigestSize];

	EXPECT_EQ(kSHA1DigestSize, hmac.DigestLength());
	EXPECT_TRUE(hmac.Sign(message_data, calculated_hmac, kSHA1DigestSize));
	EXPECT_EQ(0,
	SbMemoryCompare(kKnownHMACSHA1, calculated_hmac, kSHA1DigestSize));
	EXPECT_TRUE(hmac.Verify(
	message_data,
	base::StringPiece(reinterpret_cast<const char*>(kKnownHMACSHA1),
	kSHA1DigestSize)));
	EXPECT_TRUE(hmac.VerifyTruncated(
	message_data,
	base::StringPiece(reinterpret_cast<const char*>(kKnownHMACSHA1),
	kSHA1DigestSize / 2)));

	crypto::HMAC hmac2(crypto::HMAC::SHA256);
	ASSERT_TRUE(hmac2.Init(kKnownSecretKey, kKnownSecretKeySize));
	unsigned char calculated_hmac2[kSHA256DigestSize];

	EXPECT_TRUE(hmac2.Sign(message_data, calculated_hmac2, kSHA256DigestSize));
	EXPECT_EQ(0, SbMemoryCompare(kKnownHMACSHA256, calculated_hmac2,
	kSHA256DigestSize));
	}

	TEST(HMACTest, HMACObjectReuse) {
	crypto::HMAC hmac(crypto::HMAC::SHA1);
	ASSERT_TRUE(
	hmac.Init(reinterpret_cast<const unsigned char*>(kSimpleKey),
	kSimpleKeyLength));
	for (size_t i = 0; i < arraysize(kSimpleHmacCases); ++i) {
	std::string data_string(kSimpleHmacCases[i].data,
	kSimpleHmacCases[i].data_len);
	unsigned char digest[kSHA1DigestSize];
	EXPECT_TRUE(hmac.Sign(data_string, digest, kSHA1DigestSize));
	EXPECT_EQ(0, SbMemoryCompare(kSimpleHmacCases[i].digest, digest,
	kSHA1DigestSize));
	}
	}

	TEST(HMACTest, Verify) {
	crypto::HMAC hmac(crypto::HMAC::SHA1);
	ASSERT_TRUE(
	hmac.Init(reinterpret_cast<const unsigned char*>(kSimpleKey),
	kSimpleKeyLength));
	const char empty_digest[kSHA1DigestSize] = { 0 };
	for (size_t i = 0; i < arraysize(kSimpleHmacCases); ++i) {
	// Expected results
	EXPECT_TRUE(hmac.Verify(
	base::StringPiece(kSimpleHmacCases[i].data,
	kSimpleHmacCases[i].data_len),
	base::StringPiece(kSimpleHmacCases[i].digest,
	kSHA1DigestSize)));
	// Mismatched size
	EXPECT_FALSE(hmac.Verify(
	base::StringPiece(kSimpleHmacCases[i].data,
	kSimpleHmacCases[i].data_len),
	base::StringPiece(kSimpleHmacCases[i].data,
	kSimpleHmacCases[i].data_len)));

	// Expected size, mismatched data
	EXPECT_FALSE(hmac.Verify(
	base::StringPiece(kSimpleHmacCases[i].data,
	kSimpleHmacCases[i].data_len),
	base::StringPiece(empty_digest, kSHA1DigestSize)));
	}
	}

	TEST(HMACTest, EmptyKey) {
	// Test vector from https://en.wikipedia.org/wiki/HMAC
	const char* kExpectedDigest =
	"\xFB\xDB\x1D\x1B\x18\xAA\x6C\x08\x32\x4B\x7D\x64\xB7\x1F\xB7\x63"
	"\x70\x69\x0E\x1D";
	base::StringPiece data("");

	crypto::HMAC hmac(crypto::HMAC::SHA1);
	ASSERT_TRUE(hmac.Init(nullptr, 0));

	unsigned char digest[kSHA1DigestSize];
	EXPECT_TRUE(hmac.Sign(data, digest, kSHA1DigestSize));
	EXPECT_EQ(0, SbMemoryCompare(kExpectedDigest, digest, kSHA1DigestSize));

	EXPECT_TRUE(hmac.Verify(
	data, base::StringPiece(kExpectedDigest, kSHA1DigestSize)));
	}