xref: /illumos-gate/usr/src/uts/common/crypto/core/kcf_crypto.c (revision 59d65d3175825093531e82f44269d948ed510a00)
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 /*
27  * Core KCF (Kernel Cryptographic Framework). This file implements
28  * the crypto (/dev/crypto) supporting functions.
29  */
30 
31 #include <sys/kmem.h>
32 #include <sys/crypto/common.h>
33 #include <sys/crypto/impl.h>
34 
35 /* called from CRYPTO_GET_PROVIDER_LIST ioctl */
36 void
37 crypto_free_provider_list(crypto_provider_entry_t *array, uint_t count)
38 {
39 	if (count ==  0 || array == NULL)
40 		return;
41 
42 	kmem_free(array, count * sizeof (crypto_provider_entry_t));
43 }
44 
45 /* called from CRYPTO_GET_PROVIDER_MECHANISMS ioctl */
46 int
47 crypto_get_provider_mechanisms(crypto_minor_t *cm, crypto_provider_id_t id,
48     uint_t *count, crypto_mech_name_t **array)
49 {
50 	if (id >= cm->cm_provider_count)
51 		return (CRYPTO_ARGUMENTS_BAD);
52 
53 	return (crypto_build_permitted_mech_names(cm->cm_provider_array[id],
54 	    array, count, KM_SLEEP));
55 }
56