69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
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/* mdXhl.c
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/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* $FreeBSD$
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include "mdX.h"
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#include <sys/file.h>
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char *
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MDXEnd(MDX_CTX *ctx)
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{
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int i;
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char *p = malloc(33);
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unsigned char digest[16];
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char hex[]="0123456789abcdef";
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if(!p) return 0;
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MDXFinal(digest,ctx);
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for(i=0;i<16;i++) {
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p[i+i] = hex[digest[i] >> 4];
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p[i+i+1] = hex[digest[i] & 0x0f];
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}
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p[i+i] = '\0';
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return p;
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}
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char *
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MDXFile (char *filename)
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{
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unsigned char digest[16],buffer[BUFSIZ];
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MDX_CTX ctx;
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char *p;
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int f,i,j;
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MDXInit(&ctx);
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f = open(filename,O_RDONLY);
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if(f < 0) return 0;
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while((i = read(f,buffer,sizeof buffer)) > 0) {
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MDXUpdate(&ctx,buffer,i);
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}
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j = errno;
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close(f);
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errno = j;
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if(i < 0) return 0;
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return MDXEnd(&ctx);
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}
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char *
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MDXData (unsigned char *data, unsigned int len)
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{
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unsigned char digest[16];
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MDX_CTX ctx;
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MDXInit(&ctx);
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MDXUpdate(&ctx,data,len);
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return MDXEnd(&ctx);
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}
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