1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
|
/* md5hl.c
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: md5hl.c,v 1.8.2.1 1998/02/18 02:24:05 jkh Exp $
*
*/
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "md5.h"
#include "error.h"
char *
MD5End(MD5_CTX *ctx, char *buf)
{
int i;
unsigned char digest[MD5_HASHBYTES];
static const char hex[]="0123456789abcdef";
if (!buf)
buf = mem_alloc(33);
if (!buf)
return 0;
MD5Final(digest,ctx);
for (i=0;i<MD5_HASHBYTES;i++) {
buf[i+i] = hex[digest[i] >> 4];
buf[i+i+1] = hex[digest[i] & 0x0f];
}
buf[i+i] = '\0';
return buf;
}
char *
MD5File (const char *filename, char *buf)
{
unsigned char buffer[BUFSIZ];
MD5_CTX ctx;
int f,i,j;
MD5Init(&ctx);
f = open(filename,O_RDONLY);
if (f < 0) return 0;
while ((i = read(f,buffer,sizeof buffer)) > 0) {
MD5Update(&ctx,buffer,i);
}
j = errno;
close(f);
errno = j;
if (i < 0) return 0;
return MD5End(&ctx, buf);
}
char *
MD5Data (const unsigned char *data, unsigned int len, char *buf)
{
MD5_CTX ctx;
MD5Init(&ctx);
MD5Update(&ctx,data,len);
return MD5End(&ctx, buf);
}
|