#ifndef __SHA1_H__
#define __SHA1_H__

#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN
#endif

#ifdef __cplusplus
extern "C" {
#endif

#define SHA1_LEN  20

typedef struct sha1_ctx
{
	unsigned long state[5];
	unsigned long count[2];
	unsigned char buffer[64];
}
sha1_ctx_t;

void sha1_init(sha1_ctx_t* context);
void sha1_update(sha1_ctx_t* context, const void* data, unsigned int len);
void sha1_final(unsigned char digest[SHA1_LEN], sha1_ctx_t* context);

#ifdef __cplusplus
}
#endif

#endif // __SHA1_H__