sha1.h

#ifndef SHA1_H
#define SHA1_H

/*
   SHA-1 in C
   By Steve Reid <steve@edmweb.com>
   100% Public Domain
 */

#include "stdint.h"

#if defined(__cplusplus)
extern "C" {
#endif

    typedef struct
    {
        uint32_t state[5];
        uint32_t count[2];
        unsigned char buffer[64];
    } SHA1_CTX;

    void SHA1Transform(
        uint32_t state[5],
        const unsigned char buffer[64]
    );

    void SHA1Init(
        SHA1_CTX* context
    );

    void SHA1Update(
        SHA1_CTX* context,
        const unsigned char* data,
        uint32_t len
    );

    void SHA1Final(
        unsigned char digest[20],
        SHA1_CTX* context
    );

    void SHA1(
        char* hash_out,
        const char* str,
        uint32_t len);

#if defined(__cplusplus)
}
#endif

#endif /* SHA1_H */