xref: /illumos-gate/usr/src/uts/common/crypto/core/kcf_crypto.c (revision 2b24ab6b3865caeede9eeb9db6b83e1d89dcd1ea)
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  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 /*
29  * Core KCF (Kernel Cryptographic Framework). This file implements
30  * the crypto (/dev/crypto) supporting functions.
31  */
32 
33 #include <sys/kmem.h>
34 #include <sys/crypto/common.h>
35 #include <sys/crypto/impl.h>
36 
37 /* called from CRYPTO_GET_PROVIDER_LIST ioctl */
38 void
39 crypto_free_provider_list(crypto_provider_entry_t *array, uint_t count)
40 {
41 	if (count ==  0 || array == NULL)
42 		return;
43 
44 	kmem_free(array, count * sizeof (crypto_provider_entry_t));
45 }
46 
47 /* called from CRYPTO_GET_PROVIDER_MECHANISMS ioctl */
48 int
49 crypto_get_provider_mechanisms(crypto_minor_t *cm, crypto_provider_id_t id,
50     uint_t *count, crypto_mech_name_t **array)
51 {
52 	if (id >= cm->cm_provider_count)
53 		return (CRYPTO_ARGUMENTS_BAD);
54 
55 	return (crypto_build_permitted_mech_names(cm->cm_provider_array[id],
56 	    array, count, KM_SLEEP));
57 }
58