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/* md5stuff.c - MD5 utilities */
#include <stdio.h>
#include "md5stuff.h"
char *md2str(unsigned char *digest, char *s)
{
int i;
char buf[16];
if (!digest) return NULL;
if (!s) {
s=(char*)malloc(33);
if (!s) return NULL;
}
for (i = 0; i < 16; i++) {
sprintf (buf,"%02x", digest[i]);
*(s++)=buf[0];
*(s++)=buf[1];
}
*s=0;
}
int str2md(char *s, unsigned char *digest)
{
int i;
unsigned int val;
char tmp[3];
if (!s || !digest) return 0;
if (strlen(s)<32) return 0;
tmp[2]=0;
for(i=0;i<16;i++) {
tmp[0]=s[i*2];
tmp[1]=s[i*2+1];
if (!isxdigit(tmp[0]) || !isxdigit(tmp[1])) return 0;
if (sscanf(tmp,"%x",&val)!=1) return 0;
digest[i]=(unsigned char)val;
}
}
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