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 <libkern/crypto/sha2.h>
31#include <kern/debug.h>
32#include <corecrypto/ccdigest.h>
33
34void SHA256_Init(SHA256_CTX *ctx)
35{
36	const struct ccdigest_info *di;
37	di=g_crypto_funcs->ccsha256_di;
38
39        /* Make sure the context size for the digest info fits in the one we have */
40        if(ccdigest_di_size(di)>sizeof(SHA256_CTX))
41                panic("%s: inconsistent size for SHA256 context", __FUNCTION__);
42
43	g_crypto_funcs->ccdigest_init_fn(di, ctx->ctx);
44}
45
46void SHA256_Update(SHA256_CTX *ctx, const void *data, size_t len)
47{
48	const struct ccdigest_info *di;
49	di=g_crypto_funcs->ccsha256_di;
50
51	g_crypto_funcs->ccdigest_update_fn(di, ctx->ctx, len, data);
52}
53
54void SHA256_Final(void *digest, SHA256_CTX *ctx)
55{
56	const struct ccdigest_info *di;
57	di=g_crypto_funcs->ccsha256_di;
58
59	ccdigest_final(di, ctx->ctx, digest);
60}
61
62void SHA384_Init(SHA384_CTX *ctx)
63{
64	const struct ccdigest_info *di;
65	di=g_crypto_funcs->ccsha384_di;
66
67        /* Make sure the context size for the digest info fits in the one we have */
68        if(ccdigest_di_size(di)>sizeof(SHA384_CTX))
69                panic("%s: inconsistent size for SHA384 context", __FUNCTION__);
70
71	g_crypto_funcs->ccdigest_init_fn(di, ctx->ctx);
72}
73
74void SHA384_Update(SHA384_CTX *ctx, const void *data, size_t len)
75{
76	const struct ccdigest_info *di;
77	di=g_crypto_funcs->ccsha384_di;
78
79	g_crypto_funcs->ccdigest_update_fn(di, ctx->ctx, len, data);
80}
81
82
83void SHA384_Final(void *digest, SHA384_CTX *ctx)
84{
85	const struct ccdigest_info *di;
86	di=g_crypto_funcs->ccsha512_di;
87
88	ccdigest_final(di, ctx->ctx, digest);
89}
90
91void SHA512_Init(SHA512_CTX *ctx)
92{
93	const struct ccdigest_info *di;
94	di=g_crypto_funcs->ccsha512_di;
95
96        /* Make sure the context size for the digest info fits in the one we have */
97        if(ccdigest_di_size(di)>sizeof(SHA512_CTX))
98                panic("%s: inconsistent size for SHA512 context", __FUNCTION__);
99
100	g_crypto_funcs->ccdigest_init_fn(di, ctx->ctx);
101}
102
103void SHA512_Update(SHA512_CTX *ctx, const void *data, size_t len)
104{
105	const struct ccdigest_info *di;
106	di=g_crypto_funcs->ccsha512_di;
107
108	g_crypto_funcs->ccdigest_update_fn(di, ctx->ctx, len, data);
109}
110
111void SHA512_Final(void *digest, SHA512_CTX *ctx)
112{
113	const struct ccdigest_info *di;
114	di=g_crypto_funcs->ccsha512_di;
115
116	ccdigest_final(di, ctx->ctx, digest);
117}
118