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/*
* (C) 2012-2013 by Christian Hesse <mail@eworm.de>
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
* Base on an example from:
* http://www.lysator.liu.se/~nisse/nettle/nettle.html#Example
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iconv.h>
#include <nettle/md4.h>
#define BUF_SIZE 64
#define TOCODE "UTF-16LE"
#define FROMCODE "UTF-8"
int main(int argc, char **argv) {
struct md4_ctx ctx;
char buffer[BUF_SIZE], buffernull[2 * BUF_SIZE];
char *in = buffer, *out = buffernull;
uint8_t digest[MD4_DIGEST_SIZE];
int i, linebreak = 0;
size_t done, inbytes, outbytes;
iconv_t conv;
md4_init(&ctx);
while (1) {
done = inbytes = fread(buffer, 1, BUF_SIZE, stdin);
outbytes = 2 * inbytes;
if (strstr(buffer, "\n") != NULL)
linebreak++;
conv = iconv_open(TOCODE, FROMCODE);
iconv(conv, &in, &inbytes, &out, &outbytes);
iconv_close(conv);
md4_update(&ctx, done * 2 - outbytes, (unsigned char *)buffernull);
if (done < BUF_SIZE)
break;
}
if (ferror(stdin))
return EXIT_FAILURE;
if (linebreak)
fprintf(stderr, "Warning: Input contains line break!\n");
md4_digest(&ctx, MD4_DIGEST_SIZE, digest);
for (i = 0; i < MD4_DIGEST_SIZE; i++)
printf("%02x", digest[i]);
putchar('\n');
return EXIT_SUCCESS;
}
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