/[mcrypt]/libmcrypt/lib/mcrypt.h.in
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Annotation of /libmcrypt/lib/mcrypt.h.in

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Revision 1.8 - (hide annotations)
Tue Dec 17 14:31:40 2002 UTC (21 years, 3 months ago) by nmav
Branch: MAIN
CVS Tags: libmcrypt_2_5_7, libmcrypt_2_5_6, libmcrypt_2_5_5, libmcrypt_2_5_4, libmcrypt_2_5_5rc1, HEAD
Changes since 1.7: +6 -1 lines
Added mcrypt_module_support_dynamic(), and some more fixes to disable dynamic loading.

1 nmav 1.1 /*
2 nmav 1.7 * Copyright (C) 1998,1999,2002 Nikos Mavroyanopoulos
3 nmav 1.1 *
4     * Encryption/decryption library. This library is free software;
5     * you can redistribute it and/or modify it under the terms of the
6     * GNU Library General Public License as published by the Free Software
7     * Foundation; either version 2 of the License, or (at your option) any
8     * later version.
9     *
10     * This library is distributed in the hope that it will be useful,
11     * but WITHOUT ANY WARRANTY; without even the implied warranty of
12     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13     * Library General Public License for more details.
14     *
15     * You should have received a copy of the GNU Library General Public
16     * License along with this library; if not, write to the
17     * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18     * Boston, MA 02111-1307, USA.
19     */
20    
21    
22 nmav 1.8 #define MCRYPT_API_VERSION 20021217
23    
24 nmav 1.1 #define LIBMCRYPT_VERSION "@VERSION@"
25    
26     #ifdef __cplusplus
27     extern "C" {
28     #endif
29     /* Definitions
30     */
31     #define MCRYPT_FAILED 0x0
32    
33     struct CRYPT_STREAM;
34     typedef struct CRYPT_STREAM *MCRYPT;
35    
36     /* generic - high level functions.
37     */
38     MCRYPT mcrypt_module_open(char *algorithm,
39     char *a_directory, char *mode,
40     char *m_directory);
41     int mcrypt_module_close(MCRYPT td);
42    
43 nmav 1.8 /* returns 0 if the library has not been compiled with
44     * dynamic module support.
45     */
46     int mcrypt_module_support_dynamic(void);
47 nmav 1.1
48     /* returns thread descriptor */
49    
50     int mcrypt_generic_init(const MCRYPT td, void *key, int lenofkey,
51     void *IV);
52     int mcrypt_generic_deinit(const MCRYPT td);
53     int mcrypt_generic_end(const MCRYPT td);
54     int mdecrypt_generic(MCRYPT td, void *plaintext, int len);
55     int mcrypt_generic(MCRYPT td, void *plaintext, int len);
56    
57     /* extra functions */
58    
59 nmav 1.7 int mcrypt_enc_set_state(MCRYPT td, void *st, int size);
60     int mcrypt_enc_get_state(MCRYPT td, void *st, int *size); /* only
61     * for block algorithms and certain modes like cbc
62     * ncfb etc.
63     */
64 nmav 1.1 int (mcrypt_enc_self_test) (MCRYPT);
65     int (mcrypt_enc_get_block_size) (MCRYPT);
66     int (mcrypt_enc_get_iv_size) (MCRYPT);
67     int (mcrypt_enc_get_key_size) (MCRYPT);
68    
69     /* If this is a block algorithm returns 1
70     */
71     int (mcrypt_enc_is_block_algorithm) (MCRYPT);
72    
73     /* If the mode operates in blocks returns 1
74     */
75     int (mcrypt_enc_is_block_mode) (MCRYPT);
76    
77     /* If the mode is for block algorithms it returns 1
78     */
79     int (mcrypt_enc_is_block_algorithm_mode) (MCRYPT td);
80     int mcrypt_enc_mode_has_iv(MCRYPT td);
81    
82 nmav 1.3 /* Return a const string containing the name of the algorithm/mode
83 nmav 1.1 */
84 nmav 1.5 char *(mcrypt_enc_get_algorithms_name) (MCRYPT td);
85     char *(mcrypt_enc_get_modes_name) (MCRYPT td);
86 nmav 1.1
87 nmav 1.5 int *mcrypt_enc_get_supported_key_sizes(MCRYPT td, int *len);
88 nmav 1.1
89    
90     char **mcrypt_list_algorithms(char *libdir, int *size);
91     char **mcrypt_list_modes(char *libdir, int *size);
92    
93     /* Frees the memory allocated by the mcrypt_list_xxx() functions.
94     */
95     void mcrypt_free_p(char **p, int size);
96     void mcrypt_free(void *ptr);
97    
98     /* If mcrypt_xxx functions return an error code, and you supply this
99     * to this function, it will print a human readable message
100     */
101     void mcrypt_perror(int err);
102 nmav 1.4 const char* mcrypt_strerror(int err);
103 nmav 1.1
104     /* Self test for the specified algorithm
105     */
106     int mcrypt_module_self_test(char *algorithm, char *a_directory);
107    
108     int mcrypt_module_is_block_algorithm(char *algorithm,
109     char *a_directory);
110     int mcrypt_module_is_block_algorithm_mode(char *mode,
111     char *m_directory);
112     int mcrypt_module_is_block_mode(char *mode, char *m_directory);
113    
114     int mcrypt_module_get_algo_key_size(char *algorithm,
115     char *a_directory);
116     int mcrypt_module_get_algo_block_size(char *algorithm,
117     char *a_directory);
118    
119     int *mcrypt_module_get_algo_supported_key_sizes(char *algorithm,
120     char *a_directory,
121     int *len);
122    
123     /* Checks the version of the specified module
124     */
125     int mcrypt_module_algorithm_version(char *algorithm,
126     char *a_directory);
127     int mcrypt_module_mode_version(char *mode, char *a_directory);
128    
129    
130 nmav 1.2 /* for multithreaded applications:
131     */
132     int mcrypt_mutex_register ( void (*mutex_lock)(void) ,
133     void (*mutex_unlock)(void),
134     void (*set_error)(const char*),
135     const char* (*get_error)(void));
136 nmav 1.1
137 nmav 1.6 const char *
138     mcrypt_check_version( const char *);
139    
140 nmav 1.1 /* These definitions exist in order to ease the access to
141     * mcrypt_module_init().
142     */
143    
144     /* Algorithms */
145     #define MCRYPT_BLOWFISH "blowfish"
146     #define MCRYPT_DES "des"
147     #define MCRYPT_3DES "tripledes"
148     #define MCRYPT_3WAY "threeway"
149     #define MCRYPT_GOST "gost"
150     #define MCRYPT_SAFER_SK64 "safer-sk64"
151     #define MCRYPT_SAFER_SK128 "safer-sk128"
152     #define MCRYPT_CAST_128 "cast-128"
153     #define MCRYPT_XTEA "xtea"
154     #define MCRYPT_RC2 "rc2"
155     #define MCRYPT_TWOFISH "twofish"
156     #define MCRYPT_CAST_256 "cast-256"
157     #define MCRYPT_SAFERPLUS "saferplus"
158     #define MCRYPT_LOKI97 "loki97"
159     #define MCRYPT_SERPENT "serpent"
160     #define MCRYPT_RIJNDAEL_128 "rijndael-128"
161     #define MCRYPT_RIJNDAEL_192 "rijndael-192"
162     #define MCRYPT_RIJNDAEL_256 "rijndael-256"
163     #define MCRYPT_ENIGMA "enigma"
164     #define MCRYPT_ARCFOUR "arcfour"
165     #define MCRYPT_WAKE "wake"
166    
167     /* Modes */
168     #define MCRYPT_CBC "cbc"
169     #define MCRYPT_ECB "ecb"
170     #define MCRYPT_CFB "cfb"
171     #define MCRYPT_OFB "ofb"
172     #define MCRYPT_nOFB "nofb"
173     #define MCRYPT_STREAM "stream"
174    
175     #ifdef __cplusplus
176     }
177     #endif

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