1 /*
2 **  OSSP uuid - Universally Unique Identifier
3 **  Copyright (c) 2004-2008 Ralf S. Engelschall <rse@engelschall.com>
4 **  Copyright (c) 2004-2008 The OSSP Project <http://www.ossp.org/>
5 **
6 **  This file is part of OSSP uuid, a library for the generation
7 **  of UUIDs which can found at http://www.ossp.org/pkg/lib/uuid/
8 **
9 **  Permission to use, copy, modify, and distribute this software for
10 **  any purpose with or without fee is hereby granted, provided that
11 **  the above copyright notice and this permission notice appear in all
12 **  copies.
13 **
14 **  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
15 **  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 **  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 **  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
18 **  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 **  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 **  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
21 **  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 **  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 **  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
24 **  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 **  SUCH DAMAGE.
26 **
27 **  uuid_sha1.h: SHA-1 API definition
28 */
29 
30 #ifndef __SHA1_H___
31 #define __SHA1_H___
32 
33 #include <string.h> /* size_t */
34 
35 #define SHA1_PREFIX uuid_
36 
37 /* embedding support */
38 #ifdef SHA1_PREFIX
39 #if defined(__STDC__) || defined(__cplusplus)
40 #define __SHA1_CONCAT(x,y) x ## y
41 #define SHA1_CONCAT(x,y) __SHA1_CONCAT(x,y)
42 #else
43 #define __SHA1_CONCAT(x) x
44 #define SHA1_CONCAT(x,y) __SHA1_CONCAT(x)y
45 #endif
46 #define sha1_st      SHA1_CONCAT(SHA1_PREFIX,sha1_st)
47 #define sha1_t       SHA1_CONCAT(SHA1_PREFIX,sha1_t)
48 #define sha1_create  SHA1_CONCAT(SHA1_PREFIX,sha1_create)
49 #define sha1_init    SHA1_CONCAT(SHA1_PREFIX,sha1_init)
50 #define sha1_update  SHA1_CONCAT(SHA1_PREFIX,sha1_update)
51 #define sha1_store   SHA1_CONCAT(SHA1_PREFIX,sha1_store)
52 #define sha1_format  SHA1_CONCAT(SHA1_PREFIX,sha1_format)
53 #define sha1_destroy SHA1_CONCAT(SHA1_PREFIX,sha1_destroy)
54 #endif
55 
56 struct sha1_st;
57 typedef struct sha1_st sha1_t;
58 
59 #define SHA1_LEN_BIN 20
60 #define SHA1_LEN_STR 40
61 
62 typedef enum {
63     SHA1_RC_OK  = 0,
64     SHA1_RC_ARG = 1,
65     SHA1_RC_MEM = 2,
66     SHA1_RC_INT = 3
67 } sha1_rc_t;
68 
69 extern sha1_rc_t sha1_create  (sha1_t **sha1);
70 extern sha1_rc_t sha1_init    (sha1_t  *sha1);
71 extern sha1_rc_t sha1_update  (sha1_t  *sha1, const void  *data_ptr, size_t  data_len);
72 extern sha1_rc_t sha1_store   (sha1_t  *sha1,       void **data_ptr, size_t *data_len);
73 extern sha1_rc_t sha1_format  (sha1_t  *sha1,       char **data_ptr, size_t *data_len);
74 extern sha1_rc_t sha1_destroy (sha1_t  *sha1);
75 
76 #endif /* __SHA1_H___ */
77 
78