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/* $Id: md5.c 33 2024-08-22 02:15:44Z nishi $ */

#include "rv_md5.h"

#include <openssl/md5.h>

#include <stdlib.h>

#include <string.h>

char* rv_md5(const char* string) {

	const char hex[] = "0123456789abcdef";

	unsigned char* hash = malloc(MD5_DIGEST_LENGTH);

	MD5((const unsigned char*)string, strlen(string), hash);

	char* str = malloc(128 / 4 + 1);

	int i;

	for(i = 0; i < 128 / 8; i++) {

		str[2 * i + 0] = hex[(hash[i] >> 4) & 0xf];

		str[2 * i + 1] = hex[(hash[i] & 0xf)];

	}

	free(hash);

	return str;

}