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/* mdXhl.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
* ----------------------------------------------------------------------------
*/
#if defined(LIBC_SCCS) && !defined(lint)
static const char rcsid[] = "$OpenBSD: mdXhl.c,v 1.12 2003/05/09 16:46:30 millert Exp $";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <errno.h>
#include <fcntl.h>
#include <mdX.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
/* ARGSUSED */
char *
MDXEnd(MDX_CTX *ctx, char *buf)
{
int i;
unsigned char digest[16];
static const char hex[]="0123456789abcdef";
if (buf == NULL && (buf = malloc(33)) == NULL)
return(NULL);
MDXFinal(digest,ctx);
for (i=0;i<16;i++) {
buf[i+i] = hex[digest[i] >> 4];
buf[i+i+1] = hex[digest[i] & 0x0f];
}
buf[i+i] = '\0';
memset(digest, 0, sizeof(digest));
return(buf);
}
char *
MDXFile(char *filename, char *buf)
{
unsigned char buffer[BUFSIZ];
MDX_CTX ctx;
int f,i,j;
MDXInit(&ctx);
f = open(filename, O_RDONLY);
if (f < 0) return 0;
while ((i = read(f,buffer,sizeof buffer)) > 0) {
MDXUpdate(&ctx,buffer,i);
}
j = errno;
close(f);
errno = j;
if (i < 0) return 0;
return(MDXEnd(&ctx, buf));
}
char *
MDXData(const u_char *data, size_t len, char *buf)
{
MDX_CTX ctx;
MDXInit(&ctx);
MDXUpdate(&ctx,data,len);
return(MDXEnd(&ctx, buf));
}
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