File: nettle-meta.h

package info (click to toggle)
nettle 3.5.1+really3.4.1-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 8,012 kB
  • sloc: ansic: 51,527; asm: 12,157; sh: 3,632; makefile: 846; cpp: 71; awk: 7
file content (277 lines) | stat: -rw-r--r-- 8,498 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
/* nettle-meta.h

   Information about algorithms.

   Copyright (C) 2002, 2014 Niels Möller

   This file is part of GNU Nettle.

   GNU Nettle is free software: you can redistribute it and/or
   modify it under the terms of either:

     * the GNU Lesser General Public License as published by the Free
       Software Foundation; either version 3 of the License, or (at your
       option) any later version.

   or

     * the GNU General Public License as published by the Free
       Software Foundation; either version 2 of the License, or (at your
       option) any later version.

   or both in parallel, as here.

   GNU Nettle is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received copies of the GNU General Public License and
   the GNU Lesser General Public License along with this program.  If
   not, see http://www.gnu.org/licenses/.
*/

#ifndef NETTLE_META_H_INCLUDED
#define NETTLE_META_H_INCLUDED

#include "nettle-types.h"

#ifdef __cplusplus
extern "C" {
#endif


struct nettle_cipher
{
  const char *name;
  
  unsigned context_size;
  
  /* Zero for stream ciphers */
  unsigned block_size;

  /* Suggested key size; other sizes are sometimes possible. */
  unsigned key_size;

  nettle_set_key_func *set_encrypt_key;
  nettle_set_key_func *set_decrypt_key;

  nettle_cipher_func *encrypt;
  nettle_cipher_func *decrypt;
};

/* FIXME: Rename with leading underscore, but keep current name (and
   size!) for now, for ABI compatibility with nettle-3.1, soname
   libnettle.so.6. */
/* null-terminated list of ciphers implemented by this version of nettle */
extern const struct nettle_cipher * const nettle_ciphers[];

const struct nettle_cipher * const *
#ifdef __GNUC__
__attribute__((pure))
#endif
nettle_get_ciphers (void);

#define nettle_ciphers (nettle_get_ciphers())

extern const struct nettle_cipher nettle_aes128;
extern const struct nettle_cipher nettle_aes192;
extern const struct nettle_cipher nettle_aes256;

extern const struct nettle_cipher nettle_camellia128;
extern const struct nettle_cipher nettle_camellia192;
extern const struct nettle_cipher nettle_camellia256;

extern const struct nettle_cipher nettle_cast128;

extern const struct nettle_cipher nettle_serpent128;
extern const struct nettle_cipher nettle_serpent192;
extern const struct nettle_cipher nettle_serpent256;

extern const struct nettle_cipher nettle_twofish128;
extern const struct nettle_cipher nettle_twofish192;
extern const struct nettle_cipher nettle_twofish256;

extern const struct nettle_cipher nettle_arctwo40;
extern const struct nettle_cipher nettle_arctwo64;
extern const struct nettle_cipher nettle_arctwo128;
extern const struct nettle_cipher nettle_arctwo_gutmann128;

struct nettle_hash
{
  const char *name;

  /* Size of the context struct */
  unsigned context_size;

  /* Size of digests */
  unsigned digest_size;
  
  /* Internal block size */
  unsigned block_size;

  nettle_hash_init_func *init;
  nettle_hash_update_func *update;
  nettle_hash_digest_func *digest;
};

#define _NETTLE_HASH(name, NAME) {		\
 #name,						\
 sizeof(struct name##_ctx),			\
 NAME##_DIGEST_SIZE,				\
 NAME##_BLOCK_SIZE,				\
 (nettle_hash_init_func *) name##_init,		\
 (nettle_hash_update_func *) name##_update,	\
 (nettle_hash_digest_func *) name##_digest	\
} 

/* FIXME: Rename with leading underscore, but keep current name (and
   size!) for now, for ABI compatibility with nettle-3.1, soname
   libnettle.so.6. */
/* null-terminated list of digests implemented by this version of nettle */
extern const struct nettle_hash * const nettle_hashes[];

const struct nettle_hash * const *
#ifdef __GNUC__
__attribute__((pure))
#endif
nettle_get_hashes (void);

#define nettle_hashes (nettle_get_hashes())

const struct nettle_hash *
nettle_lookup_hash (const char *name);

extern const struct nettle_hash nettle_md2;
extern const struct nettle_hash nettle_md4;
extern const struct nettle_hash nettle_md5;
extern const struct nettle_hash nettle_gosthash94;
extern const struct nettle_hash nettle_ripemd160;
extern const struct nettle_hash nettle_sha1;
extern const struct nettle_hash nettle_sha224;
extern const struct nettle_hash nettle_sha256;
extern const struct nettle_hash nettle_sha384;
extern const struct nettle_hash nettle_sha512;
extern const struct nettle_hash nettle_sha512_224;
extern const struct nettle_hash nettle_sha512_256;
extern const struct nettle_hash nettle_sha3_224;
extern const struct nettle_hash nettle_sha3_256;
extern const struct nettle_hash nettle_sha3_384;
extern const struct nettle_hash nettle_sha3_512;

struct nettle_aead
{
  const char *name;
  
  unsigned context_size;
  /* Block size for encrypt and decrypt. */
  unsigned block_size;
  unsigned key_size;
  unsigned nonce_size;
  unsigned digest_size;

  nettle_set_key_func *set_encrypt_key;
  nettle_set_key_func *set_decrypt_key;
  nettle_set_key_func *set_nonce;
  nettle_hash_update_func *update;
  nettle_crypt_func *encrypt;
  nettle_crypt_func *decrypt;
  /* FIXME: Drop length argument? */
  nettle_hash_digest_func *digest;
};

/* FIXME: Rename with leading underscore, but keep current name (and
   size!) for now, for ABI compatibility with nettle-3.1, soname
   libnettle.so.6. */
/* null-terminated list of aead constructions implemented by this
   version of nettle */
extern const struct nettle_aead * const nettle_aeads[];

const struct nettle_aead * const *
#ifdef __GNUC__
__attribute__((pure))
#endif
nettle_get_aeads (void);

#define nettle_aeads (nettle_get_aeads())

extern const struct nettle_aead nettle_gcm_aes128;
extern const struct nettle_aead nettle_gcm_aes192;
extern const struct nettle_aead nettle_gcm_aes256;
extern const struct nettle_aead nettle_gcm_camellia128;
extern const struct nettle_aead nettle_gcm_camellia256;
extern const struct nettle_aead nettle_eax_aes128;
extern const struct nettle_aead nettle_chacha_poly1305;

struct nettle_armor
{
  const char *name;
  unsigned encode_context_size;
  unsigned decode_context_size;

  unsigned encode_final_length;

  nettle_armor_init_func *encode_init;
  nettle_armor_length_func *encode_length;
  nettle_armor_encode_update_func *encode_update;
  nettle_armor_encode_final_func *encode_final;
  
  nettle_armor_init_func *decode_init;
  nettle_armor_length_func *decode_length;
  nettle_armor_decode_update_func *decode_update;
  nettle_armor_decode_final_func *decode_final;
};

#define _NETTLE_ARMOR(name, NAME) {				\
  #name,							\
  sizeof(struct name##_encode_ctx),				\
  sizeof(struct name##_decode_ctx),				\
  NAME##_ENCODE_FINAL_LENGTH,					\
  (nettle_armor_init_func *) name##_encode_init,		\
  (nettle_armor_length_func *) name##_encode_length,		\
  (nettle_armor_encode_update_func *) name##_encode_update,	\
  (nettle_armor_encode_final_func *) name##_encode_final,	\
  (nettle_armor_init_func *) name##_decode_init,		\
  (nettle_armor_length_func *) name##_decode_length,		\
  (nettle_armor_decode_update_func *) name##_decode_update,	\
  (nettle_armor_decode_final_func *) name##_decode_final,	\
}

#define _NETTLE_ARMOR_0(name, NAME) {				\
  #name,							\
  0,								\
  sizeof(struct name##_decode_ctx),				\
  NAME##_ENCODE_FINAL_LENGTH,					\
  (nettle_armor_init_func *) name##_encode_init,		\
  (nettle_armor_length_func *) name##_encode_length,		\
  (nettle_armor_encode_update_func *) name##_encode_update,	\
  (nettle_armor_encode_final_func *) name##_encode_final,	\
  (nettle_armor_init_func *) name##_decode_init,		\
  (nettle_armor_length_func *) name##_decode_length,		\
  (nettle_armor_decode_update_func *) name##_decode_update,	\
  (nettle_armor_decode_final_func *) name##_decode_final,	\
}

/* FIXME: Rename with leading underscore, but keep current name (and
   size!) for now, for ABI compatibility with nettle-3.1, soname
   libnettle.so.6. */
/* null-terminated list of armor schemes implemented by this version of nettle */
extern const struct nettle_armor * const nettle_armors[];

const struct nettle_armor * const *
#ifdef __GNUC__
__attribute__((pure))
#endif
nettle_get_armors (void);

#define nettle_armors (nettle_get_armors())

extern const struct nettle_armor nettle_base64;
extern const struct nettle_armor nettle_base64url;
extern const struct nettle_armor nettle_base16;

#ifdef __cplusplus
}
#endif

#endif /* NETTLE_META_H_INCLUDED */