1 | /* nettle-types.h |
2 | |
3 | Copyright (C) 2005, 2014 Niels Möller |
4 | |
5 | This file is part of GNU Nettle. |
6 | |
7 | GNU Nettle is free software: you can redistribute it and/or |
8 | modify it under the terms of either: |
9 | |
10 | * the GNU Lesser General Public License as published by the Free |
11 | Software Foundation; either version 3 of the License, or (at your |
12 | option) any later version. |
13 | |
14 | or |
15 | |
16 | * the GNU General Public License as published by the Free |
17 | Software Foundation; either version 2 of the License, or (at your |
18 | option) any later version. |
19 | |
20 | or both in parallel, as here. |
21 | |
22 | GNU Nettle is distributed in the hope that it will be useful, |
23 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
24 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
25 | General Public License for more details. |
26 | |
27 | You should have received copies of the GNU General Public License and |
28 | the GNU Lesser General Public License along with this program. If |
29 | not, see http://www.gnu.org/licenses/. |
30 | */ |
31 | |
32 | #ifndef NETTLE_TYPES_H |
33 | #define NETTLE_TYPES_H |
34 | |
35 | /* For size_t */ |
36 | #include <stddef.h> |
37 | |
38 | /* Pretend these types always exists. Nettle doesn't use them. */ |
39 | #define _STDINT_HAVE_INT_FAST32_T 1 |
40 | #include "nettle-stdint.h" |
41 | |
42 | #ifdef __cplusplus |
43 | extern "C" { |
44 | #endif |
45 | |
46 | /* An aligned 16-byte block. */ |
47 | union nettle_block16 |
48 | { |
49 | uint8_t b[16]; |
50 | unsigned long w[16 / sizeof(unsigned long)]; |
51 | }; |
52 | |
53 | /* Randomness. Used by key generation and dsa signature creation. */ |
54 | typedef void nettle_random_func(void *ctx, |
55 | size_t length, uint8_t *dst); |
56 | |
57 | /* Progress report function, mainly for key generation. */ |
58 | typedef void nettle_progress_func(void *ctx, int c); |
59 | |
60 | /* Realloc function, used by struct nettle_buffer. */ |
61 | typedef void *nettle_realloc_func(void *ctx, void *p, size_t length); |
62 | |
63 | /* Ciphers */ |
64 | typedef void nettle_set_key_func(void *ctx, const uint8_t *key); |
65 | |
66 | /* For block ciphers, const context. */ |
67 | typedef void nettle_cipher_func(const void *ctx, |
68 | size_t length, uint8_t *dst, |
69 | const uint8_t *src); |
70 | |
71 | |
72 | /* Uses a void * for cipher contexts. Used for crypt operations where |
73 | the internal state changes during the encryption. */ |
74 | typedef void nettle_crypt_func(void *ctx, |
75 | size_t length, uint8_t *dst, |
76 | const uint8_t *src); |
77 | |
78 | /* Hash algorithms */ |
79 | typedef void nettle_hash_init_func(void *ctx); |
80 | typedef void nettle_hash_update_func(void *ctx, |
81 | size_t length, |
82 | const uint8_t *src); |
83 | typedef void nettle_hash_digest_func(void *ctx, |
84 | size_t length, uint8_t *dst); |
85 | |
86 | /* ASCII armor codecs. NOTE: Experimental and subject to change. */ |
87 | |
88 | typedef size_t nettle_armor_length_func(size_t length); |
89 | typedef void nettle_armor_init_func(void *ctx); |
90 | |
91 | typedef size_t nettle_armor_encode_update_func(void *ctx, |
92 | char *dst, |
93 | size_t src_length, |
94 | const uint8_t *src); |
95 | |
96 | typedef size_t nettle_armor_encode_final_func(void *ctx, char *dst); |
97 | |
98 | typedef int nettle_armor_decode_update_func(void *ctx, |
99 | size_t *dst_length, |
100 | uint8_t *dst, |
101 | size_t src_length, |
102 | const char *src); |
103 | |
104 | typedef int nettle_armor_decode_final_func(void *ctx); |
105 | |
106 | #ifdef __cplusplus |
107 | } |
108 | #endif |
109 | |
110 | #endif /* NETTLE_TYPES_H */ |
111 | |