1 /* mdXhl.c 2 * ---------------------------------------------------------------------------- 3 * "THE BEER-WARE LICENSE" (Revision 42): 4 * <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you 5 * can do whatever you want with this stuff. If we meet some day, and you think 6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 7 * ---------------------------------------------------------------------------- 8 * 9 * $Id: mdXhl.c,v 1.11 1997/08/25 05:24:25 joerg Exp $ 10 * 11 */ 12 13 #include <sys/types.h> 14 #include <fcntl.h> 15 #include <unistd.h> 16 17 #include <errno.h> 18 #include <stdio.h> 19 #include <stdlib.h> 20 21 #include "mdX.h" 22 23 char * 24 MDXEnd(MDX_CTX *ctx, char *buf) 25 { 26 int i; 27 unsigned char digest[LENGTH]; 28 static const char hex[]="0123456789abcdef"; 29 30 if (!buf) 31 buf = malloc(2*LENGTH + 1); 32 if (!buf) 33 return 0; 34 MDXFinal(digest, ctx); 35 for (i = 0; i < LENGTH; i++) { 36 buf[i+i] = hex[digest[i] >> 4]; 37 buf[i+i+1] = hex[digest[i] & 0x0f]; 38 } 39 buf[i+i] = '\0'; 40 return buf; 41 } 42 43 char * 44 MDXFile(const char *filename, char *buf) 45 { 46 unsigned char buffer[BUFSIZ]; 47 MDX_CTX ctx; 48 int f,i,j; 49 50 MDXInit(&ctx); 51 f = open(filename,O_RDONLY); 52 if (f < 0) return 0; 53 while ((i = read(f,buffer,sizeof buffer)) > 0) { 54 MDXUpdate(&ctx,buffer,i); 55 } 56 j = errno; 57 close(f); 58 errno = j; 59 if (i < 0) return 0; 60 return MDXEnd(&ctx, buf); 61 } 62 63 char * 64 MDXData (const unsigned char *data, unsigned int len, char *buf) 65 { 66 MDX_CTX ctx; 67 68 MDXInit(&ctx); 69 MDXUpdate(&ctx,data,len); 70 return MDXEnd(&ctx, buf); 71 } 72