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1 /*
2  * Copyright (C) 2009 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef __OPENSSL_HASH__
18 #define __OPENSSL_HASH__
19 
20 #include <openssl/evp.h>
21 
22 extern  const EVP_MD *sha1_md;
23 #define SHA1_SIGNATURE_SIZE 20
24 #define SHA1_CTX	EVP_MD_CTX
25 #define SHA1_Init(ctx)  { \
26     EVP_MD_CTX_init(ctx); \
27     EVP_DigestInit_ex(ctx, sha1_md, NULL); \
28 }
29 #define SHA1_Update EVP_DigestUpdate
30 #define SHA1_Final(digest, ctx)  { \
31     int md_len; \
32     EVP_DigestFinal_ex(ctx, digest, &md_len); \
33 }
34 
35 extern const EVP_MD *md4_md;
36 #define MD4_CTX EVP_MD_CTX
37 #define MD4Init(ctx)  { \
38     EVP_MD_CTX_init(ctx); \
39     EVP_DigestInit_ex(ctx, md4_md, NULL); \
40 }
41 #define MD4Update   EVP_DigestUpdate
42 #define MD4Final    SHA1_Final
43 
44 extern const EVP_MD *md5_md;
45 #define MD5_CTX EVP_MD_CTX
46 #define MD5_Init(ctx)  { \
47     EVP_MD_CTX_init(ctx); \
48     EVP_DigestInit_ex(ctx, md5_md, NULL); \
49 }
50 #define MD5_Update   EVP_DigestUpdate
51 #define MD5_Final    SHA1_Final
52 
53 extern  void    openssl_hash_init();
54 
55 #endif
56