#ifndef _SYS_SHA1_H_
#define _SYS_SHA1_H_
#include "defs.h"
typedef struct {
uint32_t state[5];
uint32_t count[2];
uint8_t buffer[64];
} SHA1_CTX;
#ifdef RUBY
#define SHA1_Transform rb_Digest_SHA1_Transform
#define SHA1_Init rb_Digest_SHA1_Init
#define SHA1_Update rb_Digest_SHA1_Update
#define SHA1_Finish rb_Digest_SHA1_Finish
#endif
void SHA1_Transform _((uint32_t state[5], const uint8_t buffer[64]));
void SHA1_Init _((SHA1_CTX *context));
void SHA1_Update _((SHA1_CTX *context, const uint8_t *data, size_t len));
void SHA1_Finish _((SHA1_CTX *context, uint8_t digest[20]));
#define SHA1_BLOCK_LENGTH 64
#define SHA1_DIGEST_LENGTH 20
#define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1)
#endif