blob: 5daac07d04e0124b843b70eb91e61654aba03221 [file] [log] [blame]
/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <array>
#include <wtf/Vector.h>
#if PLATFORM(COCOA)
#include <CommonCrypto/CommonDigest.h>
#endif
namespace WTF {
class MD5 {
WTF_MAKE_FAST_ALLOCATED;
public:
WTF_EXPORT_PRIVATE MD5();
void addBytes(const Vector<uint8_t>& input)
{
addBytes(input.data(), input.size());
}
WTF_EXPORT_PRIVATE void addBytes(const uint8_t* input, size_t length);
// Size of the SHA1 hash
WTF_EXPORT_PRIVATE static const size_t hashSize = 16;
// type for computing MD5 hash
typedef std::array<uint8_t, hashSize> Digest;
// checksum has a side effect of resetting the state of the object.
WTF_EXPORT_PRIVATE void checksum(Digest&);
private:
#if PLATFORM(COCOA)
CC_MD5_CTX m_context;
#else
uint32_t m_buf[4];
uint32_t m_bits[2];
uint8_t m_in[64];
#endif
};
} // namespace WTF
using WTF::MD5;