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/*
* Copyright (c) 2010-2012 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#pragma once
#ifdef SWIFTEN_PLATFORM_WIN32
#include "SHA1_Windows.h"
#else
#include <vector>
#include <boost/cstdint.hpp>
#include <Swiften/Base/ByteArray.h>
#include <Swiften/Base/SafeByteArray.h>
namespace Swift {
class SHA1 {
public:
SHA1();
SHA1& update(const std::vector<unsigned char>& data);
std::vector<unsigned char> getHash() const;
/**
* Equivalent of:
* SHA1().update(data),getHash(), but slightly more efficient and
* convenient.
*/
static ByteArray getHash(const ByteArray& data);
static ByteArray getHash(const SafeByteArray& data);
ByteArray operator()(const SafeByteArray& data) {
return getHash(data);
}
ByteArray operator()(const ByteArray& data) {
return getHash(data);
}
private:
typedef struct {
boost::uint32_t state[5];
boost::uint32_t count[2];
boost::uint8_t buffer[64];
} CTX;
static void Init(CTX* context);
static void Transform(boost::uint32_t state[5], boost::uint8_t buffer[64]);
static void Update(CTX* context, boost::uint8_t* data, unsigned int len);
static void Final(boost::uint8_t digest[20], CTX* context);
template<typename Container> static ByteArray getHashInternal(const Container& input);
private:
CTX context;
};
}
#endif
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Swift