1 /*
2 * ccdigest_init.c
3 * corecrypto
4 *
5 * Created on 11/30/2010
6 *
7 * Copyright (c) 2010,2011,2015 Apple Inc. All rights reserved.
8 *
9 *
10 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
11 *
12 * This file contains Original Code and/or Modifications of Original Code
13 * as defined in and that are subject to the Apple Public Source License
14 * Version 2.0 (the 'License'). You may not use this file except in
15 * compliance with the License. The rights granted to you under the License
16 * may not be used to create, or enable the creation or redistribution of,
17 * unlawful or unlicensed copies of an Apple operating system, or to
18 * circumvent, violate, or enable the circumvention or violation of, any
19 * terms of an Apple operating system software license agreement.
20 *
21 * Please obtain a copy of the License at
22 * http://www.opensource.apple.com/apsl/ and read it before using this file.
23 *
24 * The Original Code and all software distributed under the License are
25 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
26 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
27 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
28 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
29 * Please see the License for the specific language governing rights and
30 * limitations under the License.
31 *
32 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
33 */
34
35 #include <corecrypto/ccdigest_priv.h>
36 #include <corecrypto/cc_priv.h>
37 #include <corecrypto/ccmd4.h>
38
39 #if 0
40 #if CC_LOGGING_AVAILABLE
41 #if CC_FEATURE_FLAGS_AVAILABLE
42
43 #include "cclog_internal.h"
44 #include <os/feature_private.h>
45
46 static void
47 log_trace(const struct ccdigest_info *di)
48 {
49 if (!CC_FEATURE_ENABLED(ccdigest_logging)) {
50 return;
51 }
52
53 if (ccdigest_oid_equal(di, CC_DIGEST_OID_MD2)) {
54 cclog_error_backtrace(CCLOG_CATEGORY_DEFAULT, "trace: md2");
55 } else if (ccdigest_oid_equal(di, CC_DIGEST_OID_MD4)) {
56 cclog_error_backtrace(CCLOG_CATEGORY_DEFAULT, "trace: md4");
57 } else if (ccdigest_oid_equal(di, CC_DIGEST_OID_MD5)) {
58 cclog_error_backtrace(CCLOG_CATEGORY_ALGORITHM_MD5, "trace: md5");
59 } else if (ccdigest_oid_equal(di, CC_DIGEST_OID_SHA1)) {
60 cclog_error_backtrace(CCLOG_CATEGORY_ALGORITHM_SHA1, "trace: sha1");
61 } else if (ccdigest_oid_equal(di, CC_DIGEST_OID_RMD160)) {
62 cclog_error_backtrace(CCLOG_CATEGORY_DEFAULT, "trace: rmd160");
63 }
64 }
65
66 #endif // CC_FEATURE_FLAGS_AVAILABLE
67 #endif // CC_LOGGING_AVAILABLE
68 #endif
69
70 void
ccdigest_init(const struct ccdigest_info * di,ccdigest_ctx_t ctx)71 ccdigest_init(const struct ccdigest_info *di, ccdigest_ctx_t ctx)
72 {
73 #if 0
74 #if CC_LOGGING_AVAILABLE
75 #if CC_FEATURE_FLAGS_AVAILABLE
76 log_trace(di);
77 #endif // CC_FEATURE_FLAGS_AVAILABLE
78 #endif // CC_LOGGING_AVAILABLE
79 #endif
80
81 ccdigest_copy_state(di, ccdigest_state_ccn(di, ctx), di->initial_state);
82 ccdigest_nbits(di, ctx) = 0;
83 ccdigest_num(di, ctx) = 0;
84 }
85