97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/*
|
|
* Copyright (C) 2011 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/Span.h>
|
|
#include <wtf/text/CString.h>
|
|
|
|
#if PLATFORM(COCOA)
|
|
#include <CommonCrypto/CommonDigest.h>
|
|
#endif
|
|
|
|
namespace WTF {
|
|
|
|
class SHA1 {
|
|
WTF_MAKE_FAST_ALLOCATED;
|
|
public:
|
|
WTF_EXPORT_PRIVATE SHA1();
|
|
|
|
WTF_EXPORT_PRIVATE void addBytes(Span<const std::byte>);
|
|
|
|
void addBytes(Span<const uint8_t> input)
|
|
{
|
|
addBytes(asBytes(input));
|
|
}
|
|
|
|
void addBytes(const CString& input)
|
|
{
|
|
addBytes(input.bytes());
|
|
}
|
|
|
|
void addBytes(const uint8_t* input, size_t length)
|
|
{
|
|
addBytes(Span { input, length });
|
|
}
|
|
|
|
// Size of the SHA1 hash
|
|
WTF_EXPORT_PRIVATE static constexpr size_t hashSize = 20;
|
|
|
|
// type for computing SHA1 hash
|
|
typedef std::array<uint8_t, hashSize> Digest;
|
|
|
|
WTF_EXPORT_PRIVATE void computeHash(Digest&);
|
|
|
|
// Get a hex hash from the digest.
|
|
WTF_EXPORT_PRIVATE static CString hexDigest(const Digest&);
|
|
|
|
// Compute the hex digest directly.
|
|
WTF_EXPORT_PRIVATE CString computeHexDigest();
|
|
|
|
private:
|
|
#if PLATFORM(COCOA)
|
|
CC_SHA1_CTX m_context;
|
|
#else
|
|
void finalize();
|
|
void processBlock();
|
|
void reset();
|
|
|
|
uint8_t m_buffer[64];
|
|
size_t m_cursor; // Number of bytes filled in m_buffer (0-64).
|
|
uint64_t m_totalBytes; // Number of bytes added so far.
|
|
uint32_t m_hash[5];
|
|
#endif
|
|
};
|
|
|
|
} // namespace WTF
|
|
|
|
using WTF::SHA1;
|