freebsd-dev/crypto/heimdal/lib/krb5/keyblock.c
2001-06-21 02:12:07 +00:00

82 lines
2.7 KiB
C

/*
* Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "krb5_locl.h"
RCSID("$Id: keyblock.c,v 1.12 2001/05/14 06:14:48 assar Exp $");
void
krb5_free_keyblock_contents(krb5_context context,
krb5_keyblock *keyblock)
{
if(keyblock) {
if (keyblock->keyvalue.data != NULL)
memset(keyblock->keyvalue.data, 0, keyblock->keyvalue.length);
krb5_data_free (&keyblock->keyvalue);
}
}
void
krb5_free_keyblock(krb5_context context,
krb5_keyblock *keyblock)
{
if(keyblock){
krb5_free_keyblock_contents(context, keyblock);
free(keyblock);
}
}
krb5_error_code
krb5_copy_keyblock_contents (krb5_context context,
const krb5_keyblock *inblock,
krb5_keyblock *to)
{
return copy_EncryptionKey(inblock, to);
}
krb5_error_code
krb5_copy_keyblock (krb5_context context,
const krb5_keyblock *inblock,
krb5_keyblock **to)
{
krb5_keyblock *k;
k = malloc (sizeof(*k));
if (k == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
return ENOMEM;
}
*to = k;
return krb5_copy_keyblock_contents (context, inblock, k);
}