codebox/md5/md5.h

#ifndef MD5_H
#define MD5_H

#ifdef __cplusplus
extern "C"
{
#endif

#include <stdio.h>
#include <stdint.h>

void make_digest(char *md5str, const unsigned char *digest);
void make_digest_ex(char *md5str, const unsigned char *digest, int len);

/*
 * This is an OpenSSL-compatible implementation of the RSA Data Security,
 * Inc. MD5 Message-Digest Algorithm (RFC 1321).
 *
 * Written by Solar Designer <solar at openwall.com> in 2001, and placed
 * in the public domain.  There's absolutely no warranty.
 *
 * See md5.c for more information.
 */

/* MD5 context. */
typedef struct {
	uint32_t lo, hi;
	uint32_t a, b, c, d;
	unsigned char buffer[64];
	uint32_t block[16];
} MD5_CTX;

void MD5Init(MD5_CTX *ctx);
void MD5Update(MD5_CTX *ctx, const void *data, size_t size);
void MD5Final(unsigned char *result, MD5_CTX *ctx);

void md5(void *data, size_t data_size, void *hashstr);

#ifdef __cplusplus
}
#endif

#endif