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1 : : /* crypto.c --- Simple crypto wrappers for applications.
2 : : * Copyright (C) 2002-2012 Simon Josefsson
3 : : *
4 : : * This file is part of GNU SASL Library.
5 : : *
6 : : * GNU SASL Library is free software; you can redistribute it and/or
7 : : * modify it under the terms of the GNU Lesser General Public License
8 : : * as published by the Free Software Foundation; either version 2.1 of
9 : : * the License, or (at your option) any later version.
10 : : *
11 : : * GNU SASL Library is distributed in the hope that it will be useful,
12 : : * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 : : * Lesser General Public License for more details.
15 : : *
16 : : * You should have received a copy of the GNU Lesser General Public
17 : : * License License along with GNU SASL Library; if not, write to the
18 : : * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 : : * Boston, MA 02110-1301, USA.
20 : : *
21 : : */
22 : :
23 : : #include "internal.h"
24 : :
25 : : #include "gc.h"
26 : :
27 : : /**
28 : : * gsasl_nonce:
29 : : * @data: output array to be filled with unpredictable random data.
30 : : * @datalen: size of output array.
31 : : *
32 : : * Store unpredictable data of given size in the provided buffer.
33 : : *
34 : : * Return value: Returns %GSASL_OK iff successful.
35 : : **/
36 : : int
37 : 212 : gsasl_nonce (char *data, size_t datalen)
38 : : {
39 : 212 : return gc_nonce (data, datalen);
40 : : }
41 : :
42 : : /**
43 : : * gsasl_random:
44 : : * @data: output array to be filled with strong random data.
45 : : * @datalen: size of output array.
46 : : *
47 : : * Store cryptographically strong random data of given size in the
48 : : * provided buffer.
49 : : *
50 : : * Return value: Returns %GSASL_OK iff successful.
51 : : **/
52 : : int
53 : 0 : gsasl_random (char *data, size_t datalen)
54 : : {
55 : 0 : return gc_random (data, datalen);
56 : : }
57 : :
58 : : /**
59 : : * gsasl_md5:
60 : : * @in: input character array of data to hash.
61 : : * @inlen: length of input character array of data to hash.
62 : : * @out: newly allocated character array with hash of data.
63 : : *
64 : : * Compute hash of data using MD5. The @out buffer must be
65 : : * deallocated by the caller.
66 : : *
67 : : * Return value: Returns %GSASL_OK iff successful.
68 : : **/
69 : : int
70 : 31 : gsasl_md5 (const char *in, size_t inlen, char *out[16])
71 : : {
72 : 31 : *out = malloc (16);
73 [ - + ]: 31 : if (!*out)
74 : 0 : return GSASL_MALLOC_ERROR;
75 : 31 : return gc_md5 (in, inlen, *out);
76 : : }
77 : :
78 : : /**
79 : : * gsasl_hmac_md5:
80 : : * @key: input character array with key to use.
81 : : * @keylen: length of input character array with key to use.
82 : : * @in: input character array of data to hash.
83 : : * @inlen: length of input character array of data to hash.
84 : : * @outhash: newly allocated character array with keyed hash of data.
85 : : *
86 : : * Compute keyed checksum of data using HMAC-MD5. The @outhash buffer
87 : : * must be deallocated by the caller.
88 : : *
89 : : * Return value: Returns %GSASL_OK iff successful.
90 : : **/
91 : : int
92 : 1 : gsasl_hmac_md5 (const char *key, size_t keylen,
93 : : const char *in, size_t inlen, char *outhash[16])
94 : : {
95 : 1 : *outhash = malloc (16);
96 [ - + ]: 1 : if (!*outhash)
97 : 0 : return GSASL_MALLOC_ERROR;
98 : 1 : return gc_hmac_md5 (key, keylen, in, inlen, *outhash);
99 : : }
100 : :
101 : : /**
102 : : * gsasl_sha1:
103 : : * @in: input character array of data to hash.
104 : : * @inlen: length of input character array of data to hash.
105 : : * @out: newly allocated character array with hash of data.
106 : : *
107 : : * Compute hash of data using SHA1. The @out buffer must be
108 : : * deallocated by the caller.
109 : : *
110 : : * Return value: Returns %GSASL_OK iff successful.
111 : : *
112 : : * Since: 1.3
113 : : **/
114 : : int
115 : 125 : gsasl_sha1 (const char *in, size_t inlen, char *out[20])
116 : : {
117 : 125 : *out = malloc (20);
118 [ - + ]: 125 : if (!*out)
119 : 0 : return GSASL_MALLOC_ERROR;
120 : 125 : return gc_sha1 (in, inlen, *out);
121 : : }
122 : :
123 : : /**
124 : : * gsasl_hmac_sha1:
125 : : * @key: input character array with key to use.
126 : : * @keylen: length of input character array with key to use.
127 : : * @in: input character array of data to hash.
128 : : * @inlen: length of input character array of data to hash.
129 : : * @outhash: newly allocated character array with keyed hash of data.
130 : : *
131 : : * Compute keyed checksum of data using HMAC-SHA1. The @outhash buffer
132 : : * must be deallocated by the caller.
133 : : *
134 : : * Return value: Returns %GSASL_OK iff successful.
135 : : *
136 : : * Since: 1.3
137 : : **/
138 : : int
139 : 332 : gsasl_hmac_sha1 (const char *key, size_t keylen,
140 : : const char *in, size_t inlen, char *outhash[20])
141 : : {
142 : 332 : *outhash = malloc (20);
143 [ - + ]: 332 : if (!*outhash)
144 : 0 : return GSASL_MALLOC_ERROR;
145 : 332 : return gc_hmac_sha1 (key, keylen, in, inlen, *outhash);
146 : : }
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