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/*
* sha1.h - Secure Hash Algorithm 1
* Copyright (C) 2003 Justin Karneges
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef CS_SHA1_H
#define CS_SHA1_H
#include<tqstring.h>
class SHA1
{
public:
static TQByteArray hash(const TQByteArray &);
static TQByteArray hashString(const TQCString &);
static TQString digest(const TQString &);
private:
SHA1();
struct SHA1_CONTEXT
{
Q_UINT32 state[5];
Q_UINT32 count[2];
unsigned char buffer[64];
};
typedef union {
unsigned char c[64];
Q_UINT32 l[16];
} CHAR64LONG16;
void transform(Q_UINT32 state[5], unsigned char buffer[64]);
void init(SHA1_CONTEXT* context);
void update(SHA1_CONTEXT* context, unsigned char* data, Q_UINT32 len);
void final(unsigned char digest[20], SHA1_CONTEXT* context);
unsigned long blk0(Q_UINT32 i);
bool bigEndian;
CHAR64LONG16* block;
};
#endif
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