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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: sha1.h,v 1.3 2001/05/07 05:05:47 jgg Exp $
/* ######################################################################
SHA1SumValue - Storage for a SHA-1 hash.
SHA1Summation - SHA-1 Secure Hash Algorithm.
This is a C++ interface to a set of SHA1Sum functions, that mirrors
the equivalent MD5 classes.
##################################################################### */
/*}}}*/
#ifndef APTPKG_SHA1_H
#define APTPKG_SHA1_H
#include "hashsum_template.h"
#ifndef APT_10_CLEANER_HEADERS
#include <string>
#include <cstring>
#include <algorithm>
#endif
#ifndef APT_8_CLEANER_HEADERS
using std::string;
using std::min;
#endif
typedef HashSumValue<160> SHA1SumValue;
class SHA1Summation : public SummationImplementation
{
/* assumes 64-bit alignment just in case */
unsigned char Buffer[64] __attribute__((aligned(8)));
unsigned char State[5*4] __attribute__((aligned(8)));
unsigned char Count[2*4] __attribute__((aligned(8)));
bool Done;
public:
bool Add(const unsigned char *inbuf, unsigned long long inlen);
using SummationImplementation::Add;
SHA1SumValue Result();
SHA1Summation();
};
#endif
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