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/* This code is public-domain - it is based on libcrypt
* placed in the public domain by Wei Dai and other contributors.
*/
#include <stdint.h>
#include <string.h>
#define HASH_LENGTH 20
#define BLOCK_LENGTH 64
union _buffer {
uint8_t b[BLOCK_LENGTH];
uint32_t w[BLOCK_LENGTH/4];
};
union _state {
uint8_t b[HASH_LENGTH];
uint32_t w[HASH_LENGTH/4];
};
typedef struct sha1nfo {
union _buffer buffer;
uint8_t bufferOffset;
union _state state;
uint32_t byteCount;
uint8_t keyBuffer[BLOCK_LENGTH];
uint8_t innerHash[HASH_LENGTH];
} sha1nfo;
void sha1_init(sha1nfo *s);
void sha1_writebyte(sha1nfo *s, uint8_t data);
void sha1_write(sha1nfo *s, const char *data, size_t len);
uint8_t* sha1_result(sha1nfo *s);
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