1/* cipher.h
2 *	Copyright (C) 1998, 2002, 2003, 2009 Free Software Foundation, Inc.
3 *
4 * This file is part of Libgcrypt.
5 *
6 * Libgcrypt is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser general Public License as
8 * published by the Free Software Foundation; either version 2.1 of
9 * the License, or (at your option) any later version.
10 *
11 * Libgcrypt is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19 */
20#ifndef G10_CIPHER_H
21#define G10_CIPHER_H
22
23#include <gcrypt.h>
24
25#define DBG_CIPHER _gcry_get_debug_flag( 1 )
26
27#include "../random/random.h"
28
29#define PUBKEY_FLAG_NO_BLINDING    (1 << 0)
30
31enum pk_operation
32  {
33    PUBKEY_OP_ENCRYPT,
34    PUBKEY_OP_DECRYPT,
35    PUBKEY_OP_SIGN,
36    PUBKEY_OP_VERIFY
37  };
38
39enum pk_encoding
40  {
41    PUBKEY_ENC_RAW,
42    PUBKEY_ENC_PKCS1,
43    PUBKEY_ENC_OAEP,
44    PUBKEY_ENC_PSS,
45    PUBKEY_ENC_UNKNOWN
46  };
47
48struct pk_encoding_ctx
49{
50  enum pk_operation op;
51  unsigned int nbits;
52
53  enum pk_encoding encoding;
54  int flags;
55
56  int hash_algo;
57
58  /* for OAEP */
59  unsigned char *label;
60  size_t labellen;
61
62  /* for PSS */
63  size_t saltlen;
64
65  int (* verify_cmp) (void *opaque, gcry_mpi_t tmp);
66  void *verify_arg;
67};
68
69#define CIPHER_INFO_NO_WEAK_KEY    1
70
71#include "cipher-proto.h"
72
73
74/*-- rmd160.c --*/
75void _gcry_rmd160_hash_buffer (void *outbuf,
76                               const void *buffer, size_t length);
77/*-- sha1.c --*/
78void _gcry_sha1_hash_buffer (void *outbuf,
79                             const void *buffer, size_t length);
80
81/*-- rijndael.c --*/
82void _gcry_aes_cfb_enc (void *context, unsigned char *iv,
83                        void *outbuf, const void *inbuf,
84                        unsigned int nblocks);
85void _gcry_aes_cfb_dec (void *context, unsigned char *iv,
86                        void *outbuf_arg, const void *inbuf_arg,
87                        unsigned int nblocks);
88void _gcry_aes_cbc_enc (void *context, unsigned char *iv,
89                        void *outbuf_arg, const void *inbuf_arg,
90                        unsigned int nblocks, int cbc_mac);
91void _gcry_aes_cbc_dec (void *context, unsigned char *iv,
92                        void *outbuf_arg, const void *inbuf_arg,
93                        unsigned int nblocks);
94void _gcry_aes_ctr_enc (void *context, unsigned char *ctr,
95                        void *outbuf_arg, const void *inbuf_arg,
96                        unsigned int nblocks);
97
98
99/*-- dsa.c --*/
100void _gcry_register_pk_dsa_progress (gcry_handler_progress_t cbc, void *cb_data);
101
102/*-- elgamal.c --*/
103void _gcry_register_pk_elg_progress (gcry_handler_progress_t cb,
104                                     void *cb_data);
105
106
107/*-- ecc.c --*/
108void _gcry_register_pk_ecc_progress (gcry_handler_progress_t cbc,
109                                     void *cb_data);
110
111
112/*-- primegen.c --*/
113void _gcry_register_primegen_progress (gcry_handler_progress_t cb,
114                                       void *cb_data);
115
116/*-- pubkey.c --*/
117const char * _gcry_pk_aliased_algo_name (int algorithm);
118
119/* Declarations for the cipher specifications.  */
120extern gcry_cipher_spec_t _gcry_cipher_spec_blowfish;
121extern gcry_cipher_spec_t _gcry_cipher_spec_des;
122extern gcry_cipher_spec_t _gcry_cipher_spec_tripledes;
123extern gcry_cipher_spec_t _gcry_cipher_spec_arcfour;
124extern gcry_cipher_spec_t _gcry_cipher_spec_cast5;
125extern gcry_cipher_spec_t _gcry_cipher_spec_aes;
126extern gcry_cipher_spec_t _gcry_cipher_spec_aes192;
127extern gcry_cipher_spec_t _gcry_cipher_spec_aes256;
128extern gcry_cipher_spec_t _gcry_cipher_spec_twofish;
129extern gcry_cipher_spec_t _gcry_cipher_spec_twofish128;
130extern gcry_cipher_spec_t _gcry_cipher_spec_serpent128;
131extern gcry_cipher_spec_t _gcry_cipher_spec_serpent192;
132extern gcry_cipher_spec_t _gcry_cipher_spec_serpent256;
133extern gcry_cipher_spec_t _gcry_cipher_spec_rfc2268_40;
134extern gcry_cipher_spec_t _gcry_cipher_spec_seed;
135extern gcry_cipher_spec_t _gcry_cipher_spec_camellia128;
136extern gcry_cipher_spec_t _gcry_cipher_spec_camellia192;
137extern gcry_cipher_spec_t _gcry_cipher_spec_camellia256;
138
139extern cipher_extra_spec_t _gcry_cipher_extraspec_tripledes;
140extern cipher_extra_spec_t _gcry_cipher_extraspec_aes;
141extern cipher_extra_spec_t _gcry_cipher_extraspec_aes192;
142extern cipher_extra_spec_t _gcry_cipher_extraspec_aes256;
143
144
145/* Declarations for the digest specifications.  */
146extern gcry_md_spec_t _gcry_digest_spec_crc32;
147extern gcry_md_spec_t _gcry_digest_spec_crc32_rfc1510;
148extern gcry_md_spec_t _gcry_digest_spec_crc24_rfc2440;
149extern gcry_md_spec_t _gcry_digest_spec_md4;
150extern gcry_md_spec_t _gcry_digest_spec_md5;
151extern gcry_md_spec_t _gcry_digest_spec_rmd160;
152extern gcry_md_spec_t _gcry_digest_spec_sha1;
153extern gcry_md_spec_t _gcry_digest_spec_sha224;
154extern gcry_md_spec_t _gcry_digest_spec_sha256;
155extern gcry_md_spec_t _gcry_digest_spec_sha512;
156extern gcry_md_spec_t _gcry_digest_spec_sha384;
157extern gcry_md_spec_t _gcry_digest_spec_tiger;
158extern gcry_md_spec_t _gcry_digest_spec_tiger1;
159extern gcry_md_spec_t _gcry_digest_spec_tiger2;
160extern gcry_md_spec_t _gcry_digest_spec_whirlpool;
161
162extern md_extra_spec_t _gcry_digest_extraspec_sha1;
163extern md_extra_spec_t _gcry_digest_extraspec_sha224;
164extern md_extra_spec_t _gcry_digest_extraspec_sha256;
165extern md_extra_spec_t _gcry_digest_extraspec_sha384;
166extern md_extra_spec_t _gcry_digest_extraspec_sha512;
167
168/* Declarations for the pubkey cipher specifications.  */
169extern gcry_pk_spec_t _gcry_pubkey_spec_rsa;
170extern gcry_pk_spec_t _gcry_pubkey_spec_elg;
171extern gcry_pk_spec_t _gcry_pubkey_spec_dsa;
172extern gcry_pk_spec_t _gcry_pubkey_spec_ecdsa;
173extern gcry_pk_spec_t _gcry_pubkey_spec_ecdh;
174
175extern pk_extra_spec_t _gcry_pubkey_extraspec_rsa;
176extern pk_extra_spec_t _gcry_pubkey_extraspec_dsa;
177extern pk_extra_spec_t _gcry_pubkey_extraspec_elg;
178extern pk_extra_spec_t _gcry_pubkey_extraspec_ecdsa;
179
180
181#endif /*G10_CIPHER_H*/
182