xref: /titanic_41/usr/src/lib/gss_mechs/mech_krb5/krb5/krb/init_allocated_keyblock.c (revision 10db1377dafab8ba3feedef26db9c5d8539a5cd1)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include "k5-int.h"
30 
31 krb5_error_code KRB5_CALLCONV
krb5_init_allocated_keyblock(krb5_context context,krb5_enctype enctype,unsigned int length,krb5_keyblock * kb)32 krb5_init_allocated_keyblock(
33 	krb5_context context,
34 	krb5_enctype enctype,
35 	unsigned int length,
36 	krb5_keyblock *kb)
37 {
38 
39 	if (!kb)
40 		return (EINVAL);
41 
42 	(void) memset(kb, 0, sizeof (*kb));
43 	kb->enctype = enctype;
44 	kb->length = length;
45 
46 	if (length) {
47 		kb->contents = malloc(length);
48 		if (!kb->contents) {
49 			return (ENOMEM);
50 		}
51 		(void) memset(kb->contents, 0, length);
52 	} else {
53 		kb->contents = NULL;
54 	}
55 
56 	kb->dk_list = NULL;
57 
58 #ifdef _KERNEL
59 	kb->kef_key = NULL;
60 #else
61 	kb->hKey = CK_INVALID_HANDLE;
62 #endif
63 
64 	return (0);
65 }
66