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/* sha1.h
Copyright (c) 2005 Michael D. Leonhard
http://tamale.net/
This file is licensed under the terms described in the
accompanying LICENSE file.
*/
#ifndef SHA1_H
#define SHA1_H
#include <stdint.h>
/**
* Calculates SHA-1 sums. This is based strongly on code from Michael D.
* Leonhard who released his code under the terms of the MIT license, thank you!
*/
class Sha1
{
public:
Sha1();
~Sha1();
void update( const char* data, int num );
unsigned char* getDigest();
// utility methods
static uint32_t lrot( uint32_t x, int bits );
static void toBigEndian( uint32_t in, unsigned char* out );
private:
// fields
uint32_t H0, H1, H2, H3, H4;
unsigned char bytes[64];
int unprocessedBytes;
uint32_t size;
void process();
};
#endif
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