/[mcrypt]/libmcrypt/lib/mcrypt_internal.h
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Contents of /libmcrypt/lib/mcrypt_internal.h

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Revision 1.3 - (show annotations)
Mon Jan 22 22:15:17 2001 UTC (23 years, 3 months ago) by nmav
Branch: MAIN
Changes since 1.2: +5 -5 lines
File MIME type: text/plain
changed some internal functions to get return value of mcrypt_set_key

1
2 /* Local Defines */
3
4 typedef struct {
5 lt_dlhandle algorithm_handle;
6 lt_dlhandle mode_handle;
7
8 /* Holds the algorithm's internal key */
9 word8 *akey;
10
11 word8 *abuf; /* holds the mode's internal buffers */
12
13 /* holds the key */
14 word8 *keyword_given;
15
16 /* These were included to speed up encryption/decryption proccess, so
17 * there is not need for resolving symbols every time.
18 */
19 lt_ptr_t m_encrypt;
20 lt_ptr_t m_decrypt;
21 lt_ptr_t a_encrypt;
22 lt_ptr_t a_decrypt;
23 lt_ptr_t a_block_size;
24 } CRYPT_STREAM;
25
26 typedef CRYPT_STREAM* MCRYPT;
27
28 #define MCRYPT_FAILED 0x0
29
30 int mcrypt_block_encrypt(MCRYPT td, void *);
31 int mcrypt_block_decrypt(MCRYPT td, void *);
32 int mcrypt_stream_encrypt(MCRYPT td, void *, int);
33 int mcrypt_stream_decrypt(MCRYPT td, void *, int);
34
35 int mcrypt_module_close(MCRYPT td);
36
37 /* frontends */
38
39 int end_mcrypt( MCRYPT td, void *buf);
40 int mcrypt_enc_get_size(MCRYPT td);
41 int mcrypt_mode_get_size(MCRYPT td);
42 int mcrypt_set_key(MCRYPT td, void *a, void *b, int c, void *d, int e);
43 int mcrypt_enc_get_block_size(MCRYPT td);
44 int __mcrypt_get_block_size(MCRYPT td);
45 int mcrypt_enc_get_algo_iv_size(MCRYPT td);
46 int mcrypt_enc_get_iv_size(MCRYPT td);
47 int mcrypt_enc_get_key_size(MCRYPT td);
48 int* mcrypt_enc_get_supported_key_sizes(MCRYPT td, int* out_size);
49 int mcrypt_enc_is_block_algorithm(MCRYPT td);
50 char *mcrypt_enc_get_algorithms_name(MCRYPT td);
51 int init_mcrypt(MCRYPT td, void*buf, void *a, int b, void *c);
52 int mcrypt(MCRYPT td, void* buf, void *a, int b);
53 int mdecrypt(MCRYPT td, void* buf, void *a, int b);
54 char *mcrypt_enc_get_modes_name(MCRYPT td);
55 int mcrypt_enc_is_block_mode(MCRYPT td);
56 int mcrypt_enc_mode_has_iv(MCRYPT td);
57 int mcrypt_enc_is_block_algorithm_mode(MCRYPT td);
58 int mcrypt_module_algorithm_version(char *algorithm, char *a_directory);
59 int mcrypt_module_mode_version(char *mode, char *m_directory);
60 int mcrypt_get_size(MCRYPT td);
61 int *mcrypt_enc_get_supported_key_sizes(MCRYPT td, int *len);
62
63
64 #define MCRYPT_UNKNOWN_ERROR -1
65 #define MCRYPT_ALGORITHM_MODE_INCOMPATIBILITY -2
66 #define MCRYPT_KEY_LEN_ERROR -3
67 #define MCRYPT_MEMORY_ALLOCATION_ERROR -4
68 #define MCRYPT_UNKNOWN_MODE -5
69 #define MCRYPT_UNKNOWN_ALGORITHM -6
70

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