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/*
** Copyright 2002 Double Precision, Inc.
** See COPYING for distribution information.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <ctype.h>
#include <string.h>
#include "random128.h"
static const char rcsid[]="$Id: random128binary.c,v 1.1 2002/07/01 03:17:05 mrsam Exp $";
static int nyb(char c)
{
static const char xdigit[]="0123456789ABCDEF";
const char *p=strchr(xdigit, c);
if (p)
return (p-xdigit);
return 0;
}
void random128_binary(random128binbuf *bytes)
{
char randombuf[ 128 / 8 * 2 + 1];
char *p;
int i;
strcpy(randombuf, random128());
for (i=0; i<128/8; i++)
(*bytes)[i]=(nyb(randombuf[i*2]) << 4) | nyb(randombuf[i*2+1]);
}
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