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