tohexstr.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2002-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <cryptoutil.h>
/*
* tohexstr
* IN bytes
* blen
* hexlen should be 2 * blen + 1
* OUT
* hexstr
*/
void
tohexstr(uchar_t *bytes, size_t blen, char *hexstr, size_t hexlen)
{
size_t i;
char hexlist[] = "0123456789abcdef";
for (i = 0; i < blen; i++) {
if (hexlen < (2 * i + 1))
break;
hexstr[2 * i] = hexlist[(bytes[i] >> 4) & 0xf];
hexstr[2 * i + 1] = hexlist[bytes[i] & 0xf];
}
hexstr[2 * blen] = '\0';
}