1/*
2 * Copyright (c) 2012 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#include <libkern/crypto/crypto_internal.h>
30#include <corecrypto/ccaes.h>
31#include <corecrypto/ccdes.h>
32#include <corecrypto/ccpad.h>
33#include <corecrypto/ccsha1.h>
34#include <sys/malloc.h>
35
36int corecrypto_available(void);
37
38int
39corecrypto_available(void)
40{
41 return (g_crypto_funcs ? 1 : 0);
42}
43
44const struct ccmode_cbc *
45ccaes_cbc_decrypt_mode(void)
46{
47 if (g_crypto_funcs)
48 return (g_crypto_funcs->ccaes_cbc_decrypt);
49 return (NULL);
50}
51
52const struct ccmode_cbc *
53ccaes_cbc_encrypt_mode(void)
54{
55 if (g_crypto_funcs)
56 return (g_crypto_funcs->ccaes_cbc_encrypt);
57 return (NULL);
58}
59
60const struct ccmode_cbc *
61ccdes3_cbc_decrypt_mode(void)
62{
63 if (g_crypto_funcs)
64 return (g_crypto_funcs->cctdes_cbc_decrypt);
65 return (NULL);
66}
67
68const struct ccmode_cbc *
69ccdes3_cbc_encrypt_mode(void)
70{
71 if (g_crypto_funcs)
72 return (g_crypto_funcs->cctdes_cbc_encrypt);
73 return (NULL);
74}
75
76size_t
77ccpad_cts3_decrypt(const struct ccmode_cbc *cbc, cccbc_ctx *cbc_key,
78 cccbc_iv *iv, size_t nbytes, const void *in, void *out)
79{
80 if (g_crypto_funcs)
81 return (*g_crypto_funcs->ccpad_cts3_decrypt_fn)(cbc, cbc_key, iv, nbytes, in, out);
82 return (0);
83}
84
85size_t
86ccpad_cts3_encrypt(const struct ccmode_cbc *cbc, cccbc_ctx *cbc_key,
87 cccbc_iv *iv, size_t nbytes, const void *in, void *out)
88{
89 if (g_crypto_funcs)
90 return (*g_crypto_funcs->ccpad_cts3_encrypt_fn)(cbc, cbc_key, iv, nbytes, in, out);
91 return (0);
92}
93
94const struct ccdigest_info *ccsha1_ltc_di_ptr;
95
96const struct ccdigest_info *
97ccsha1_di(void)
98{
99 if (g_crypto_funcs)
100 return (g_crypto_funcs->ccsha1_di);
101 return (NULL);
102}
103
104void ccdes_key_set_odd_parity(void *key, unsigned long length)
105{
106 if (g_crypto_funcs)
107 (*g_crypto_funcs->ccdes_key_set_odd_parity_fn)(key, length);
108}
109