1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
Copyright (C) 2018 MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not see <http://www.gnu.org/licenses>
or write to the Free Software Foundation, Inc.,
51 Franklin St., Fifth Floor, Boston, MA 02110, USA
*/
#include <ma_global.h>
#include <ma_crypt.h>
#include <openssl/evp.h>
static const EVP_MD *ma_hash_get_algorithm(unsigned int alg)
{
switch(alg)
{
case MA_HASH_MD5:
return EVP_md5();
case MA_HASH_SHA1:
return EVP_sha1();
case MA_HASH_SHA224:
return EVP_sha224();
case MA_HASH_SHA256:
return EVP_sha256();
case MA_HASH_SHA384:
return EVP_sha384();
case MA_HASH_SHA512:
return EVP_sha512();
case MA_HASH_RIPEMD160:
return EVP_ripemd160();
default:
return NULL;
}
}
MA_HASH_CTX *ma_hash_new(unsigned int algorithm)
{
EVP_MD_CTX *ctx= NULL;
const EVP_MD *evp_md= ma_hash_get_algorithm(algorithm);
/* unknown or unsupported hash algorithm */
if (!evp_md)
return NULL;
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
if (!(ctx= EVP_MD_CTX_new()))
#else
if (!(ctx= EVP_MD_CTX_create()))
#endif
return NULL;
if (!EVP_DigestInit(ctx, evp_md))
{
ma_hash_free(ctx);
return NULL;
}
return ctx;
}
void ma_hash_free(MA_HASH_CTX *ctx)
{
if (ctx)
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
EVP_MD_CTX_free(ctx);
#else
EVP_MD_CTX_destroy(ctx);
#endif
}
void ma_hash_input(MA_HASH_CTX *ctx,
const unsigned char *buffer,
size_t len)
{
EVP_DigestUpdate(ctx, buffer, len);
}
void ma_hash_result(MA_HASH_CTX *ctx, unsigned char *digest)
{
EVP_DigestFinal_ex(ctx, digest, NULL);
}
|
