1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "crypto/secure_hash.h" 6 7 #include "base/basictypes.h" 8 #include "base/memory/scoped_ptr.h" 9 #include "crypto/sha2.h" 10 #include "testing/gtest/include/gtest/gtest.h" 11 12 TEST(SecureHashTest, TestUpdate) { 13 // Example B.3 from FIPS 180-2: long message. 14 std::string input3(500000, 'a'); // 'a' repeated half a million times 15 int expected3[] = { 0xcd, 0xc7, 0x6e, 0x5c, 16 0x99, 0x14, 0xfb, 0x92, 17 0x81, 0xa1, 0xc7, 0xe2, 18 0x84, 0xd7, 0x3e, 0x67, 19 0xf1, 0x80, 0x9a, 0x48, 20 0xa4, 0x97, 0x20, 0x0e, 21 0x04, 0x6d, 0x39, 0xcc, 22 0xc7, 0x11, 0x2c, 0xd0 }; 23 24 uint8 output3[crypto::SHA256_LENGTH]; 25 26 scoped_ptr<crypto::SecureHash> ctx(crypto::SecureHash::Create( 27 crypto::SecureHash::SHA256)); 28 ctx->Update(input3.data(), input3.size()); 29 ctx->Update(input3.data(), input3.size()); 30 31 ctx->Finish(output3, sizeof(output3)); 32 for (size_t i = 0; i < crypto::SHA256_LENGTH; i++) 33 EXPECT_EQ(expected3[i], static_cast<int>(output3[i])); 34 } 35