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
36 int corecrypto_available(void);
37
38 int
corecrypto_available(void)39 corecrypto_available(void)
40 {
41 return g_crypto_funcs ? 1 : 0;
42 }
43
44 const struct ccmode_cbc *
ccaes_cbc_decrypt_mode(void)45 ccaes_cbc_decrypt_mode(void)
46 {
47 if (g_crypto_funcs) {
48 return g_crypto_funcs->ccaes_cbc_decrypt;
49 }
50 return NULL;
51 }
52
53 const struct ccmode_cbc *
ccaes_cbc_encrypt_mode(void)54 ccaes_cbc_encrypt_mode(void)
55 {
56 if (g_crypto_funcs) {
57 return g_crypto_funcs->ccaes_cbc_encrypt;
58 }
59 return NULL;
60 }
61
62 const struct ccmode_cbc *
ccdes3_cbc_decrypt_mode(void)63 ccdes3_cbc_decrypt_mode(void)
64 {
65 if (g_crypto_funcs) {
66 return g_crypto_funcs->cctdes_cbc_decrypt;
67 }
68 return NULL;
69 }
70
71 const struct ccmode_cbc *
ccdes3_cbc_encrypt_mode(void)72 ccdes3_cbc_encrypt_mode(void)
73 {
74 if (g_crypto_funcs) {
75 return g_crypto_funcs->cctdes_cbc_encrypt;
76 }
77 return NULL;
78 }
79
80 size_t
ccpad_cts3_decrypt(const struct ccmode_cbc * cbc,cccbc_ctx * cbc_key,cccbc_iv * iv,size_t nbytes,const void * in,void * out)81 ccpad_cts3_decrypt(const struct ccmode_cbc *cbc, cccbc_ctx *cbc_key,
82 cccbc_iv *iv, size_t nbytes, const void *in, void *out)
83 {
84 if (g_crypto_funcs) {
85 return (*g_crypto_funcs->ccpad_cts3_decrypt_fn)(cbc, cbc_key, iv, nbytes, in, out);
86 }
87 return 0;
88 }
89
90 size_t
ccpad_cts3_encrypt(const struct ccmode_cbc * cbc,cccbc_ctx * cbc_key,cccbc_iv * iv,size_t nbytes,const void * in,void * out)91 ccpad_cts3_encrypt(const struct ccmode_cbc *cbc, cccbc_ctx *cbc_key,
92 cccbc_iv *iv, size_t nbytes, const void *in, void *out)
93 {
94 if (g_crypto_funcs) {
95 return (*g_crypto_funcs->ccpad_cts3_encrypt_fn)(cbc, cbc_key, iv, nbytes, in, out);
96 }
97 return 0;
98 }
99
100 const struct ccdigest_info *ccsha1_ltc_di_ptr;
101
102 const struct ccdigest_info *
ccsha1_di(void)103 ccsha1_di(void)
104 {
105 if (g_crypto_funcs) {
106 return g_crypto_funcs->ccsha1_di;
107 }
108 return NULL;
109 }
110
111 void
ccdes_key_set_odd_parity(void * key,unsigned long length)112 ccdes_key_set_odd_parity(void *key, unsigned long length)
113 {
114 if (g_crypto_funcs) {
115 (*g_crypto_funcs->ccdes_key_set_odd_parity_fn)(key, length);
116 }
117 }
118