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
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
|
/*
* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OPENSSL_DH_H
# define OPENSSL_DH_H
# pragma once
# include <openssl/macros.h>
# ifndef OPENSSL_NO_DEPRECATED_3_0
# define HEADER_DH_H
# endif
# include <openssl/opensslconf.h>
# include <openssl/types.h>
# ifdef __cplusplus
extern "C" {
# endif
#include <stdlib.h>
/* DH parameter generation types used by EVP_PKEY_CTX_set_dh_paramgen_type() */
# define DH_PARAMGEN_TYPE_GENERATOR 0 /* Use a safe prime generator */
# define DH_PARAMGEN_TYPE_FIPS_186_2 1 /* Use FIPS186-2 standard */
# define DH_PARAMGEN_TYPE_FIPS_186_4 2 /* Use FIPS186-4 standard */
# define DH_PARAMGEN_TYPE_GROUP 3 /* Use a named safe prime group */
int EVP_PKEY_CTX_set_dh_paramgen_type(EVP_PKEY_CTX *ctx, int typ);
int EVP_PKEY_CTX_set_dh_paramgen_gindex(EVP_PKEY_CTX *ctx, int gindex);
int EVP_PKEY_CTX_set_dh_paramgen_seed(EVP_PKEY_CTX *ctx,
const unsigned char *seed,
size_t seedlen);
int EVP_PKEY_CTX_set_dh_paramgen_prime_len(EVP_PKEY_CTX *ctx, int pbits);
int EVP_PKEY_CTX_set_dh_paramgen_subprime_len(EVP_PKEY_CTX *ctx, int qlen);
int EVP_PKEY_CTX_set_dh_paramgen_generator(EVP_PKEY_CTX *ctx, int gen);
int EVP_PKEY_CTX_set_dh_nid(EVP_PKEY_CTX *ctx, int nid);
int EVP_PKEY_CTX_set_dh_rfc5114(EVP_PKEY_CTX *ctx, int gen);
int EVP_PKEY_CTX_set_dhx_rfc5114(EVP_PKEY_CTX *ctx, int gen);
int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad);
int EVP_PKEY_CTX_set_dh_kdf_type(EVP_PKEY_CTX *ctx, int kdf);
int EVP_PKEY_CTX_get_dh_kdf_type(EVP_PKEY_CTX *ctx);
int EVP_PKEY_CTX_set0_dh_kdf_oid(EVP_PKEY_CTX *ctx, ASN1_OBJECT *oid);
int EVP_PKEY_CTX_get0_dh_kdf_oid(EVP_PKEY_CTX *ctx, ASN1_OBJECT **oid);
int EVP_PKEY_CTX_set_dh_kdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
int EVP_PKEY_CTX_get_dh_kdf_md(EVP_PKEY_CTX *ctx, const EVP_MD **md);
int EVP_PKEY_CTX_set_dh_kdf_outlen(EVP_PKEY_CTX *ctx, int len);
int EVP_PKEY_CTX_get_dh_kdf_outlen(EVP_PKEY_CTX *ctx, int *len);
int EVP_PKEY_CTX_set0_dh_kdf_ukm(EVP_PKEY_CTX *ctx, unsigned char *ukm, int len);
# ifndef OPENSSL_NO_DEPRECATED_3_0
OSSL_DEPRECATEDIN_3_0
int EVP_PKEY_CTX_get0_dh_kdf_ukm(EVP_PKEY_CTX *ctx, unsigned char **ukm);
#endif
# define EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN (EVP_PKEY_ALG_CTRL + 1)
# define EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR (EVP_PKEY_ALG_CTRL + 2)
# define EVP_PKEY_CTRL_DH_RFC5114 (EVP_PKEY_ALG_CTRL + 3)
# define EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN (EVP_PKEY_ALG_CTRL + 4)
# define EVP_PKEY_CTRL_DH_PARAMGEN_TYPE (EVP_PKEY_ALG_CTRL + 5)
# define EVP_PKEY_CTRL_DH_KDF_TYPE (EVP_PKEY_ALG_CTRL + 6)
# define EVP_PKEY_CTRL_DH_KDF_MD (EVP_PKEY_ALG_CTRL + 7)
# define EVP_PKEY_CTRL_GET_DH_KDF_MD (EVP_PKEY_ALG_CTRL + 8)
# define EVP_PKEY_CTRL_DH_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 9)
# define EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 10)
# define EVP_PKEY_CTRL_DH_KDF_UKM (EVP_PKEY_ALG_CTRL + 11)
# define EVP_PKEY_CTRL_GET_DH_KDF_UKM (EVP_PKEY_ALG_CTRL + 12)
# define EVP_PKEY_CTRL_DH_KDF_OID (EVP_PKEY_ALG_CTRL + 13)
# define EVP_PKEY_CTRL_GET_DH_KDF_OID (EVP_PKEY_ALG_CTRL + 14)
# define EVP_PKEY_CTRL_DH_NID (EVP_PKEY_ALG_CTRL + 15)
# define EVP_PKEY_CTRL_DH_PAD (EVP_PKEY_ALG_CTRL + 16)
/* KDF types */
# define EVP_PKEY_DH_KDF_NONE 1
# define EVP_PKEY_DH_KDF_X9_42 2
# ifndef OPENSSL_NO_DH
# include <openssl/e_os2.h>
# include <openssl/bio.h>
# include <openssl/asn1.h>
# ifndef OPENSSL_NO_DEPRECATED_1_1_0
# include <openssl/bn.h>
# endif
# include <openssl/dherr.h>
# ifndef OPENSSL_DH_MAX_MODULUS_BITS
# define OPENSSL_DH_MAX_MODULUS_BITS 10000
# endif
# define OPENSSL_DH_FIPS_MIN_MODULUS_BITS 1024
# define DH_FLAG_CACHE_MONT_P 0x01
# define DH_FLAG_TYPE_MASK 0xF000
# define DH_FLAG_TYPE_DH 0x0000
# define DH_FLAG_TYPE_DHX 0x1000
# ifndef OPENSSL_NO_DEPRECATED_1_1_0
/*
* Does nothing. Previously this switched off constant time behaviour.
*/
# define DH_FLAG_NO_EXP_CONSTTIME 0x00
# endif
# ifndef OPENSSL_NO_DEPRECATED_3_0
/*
* If this flag is set the DH method is FIPS compliant and can be used in
* FIPS mode. This is set in the validated module method. If an application
* sets this flag in its own methods it is its responsibility to ensure the
* result is compliant.
*/
# define DH_FLAG_FIPS_METHOD 0x0400
/*
* If this flag is set the operations normally disabled in FIPS mode are
* permitted it is then the applications responsibility to ensure that the
* usage is compliant.
*/
# define DH_FLAG_NON_FIPS_ALLOW 0x0400
# endif
/* Already defined in ossl_typ.h */
/* typedef struct dh_st DH; */
/* typedef struct dh_method DH_METHOD; */
DECLARE_ASN1_ITEM(DHparams)
# ifndef OPENSSL_NO_DEPRECATED_3_0
# define DH_GENERATOR_2 2
# define DH_GENERATOR_3 3
# define DH_GENERATOR_5 5
/* DH_check error codes */
/*
* NB: These values must align with the equivalently named macros in
* internal/ffc.h.
*/
# define DH_CHECK_P_NOT_PRIME 0x01
# define DH_CHECK_P_NOT_SAFE_PRIME 0x02
# define DH_UNABLE_TO_CHECK_GENERATOR 0x04
# define DH_NOT_SUITABLE_GENERATOR 0x08
# define DH_CHECK_Q_NOT_PRIME 0x10
# define DH_CHECK_INVALID_Q_VALUE 0x20
# define DH_CHECK_INVALID_J_VALUE 0x40
# define DH_MODULUS_TOO_SMALL 0x80
# define DH_MODULUS_TOO_LARGE 0x100
/* DH_check_pub_key error codes */
# define DH_CHECK_PUBKEY_TOO_SMALL 0x01
# define DH_CHECK_PUBKEY_TOO_LARGE 0x02
# define DH_CHECK_PUBKEY_INVALID 0x04
/*
* primes p where (p-1)/2 is prime too are called "safe"; we define this for
* backward compatibility:
*/
# define DH_CHECK_P_NOT_STRONG_PRIME DH_CHECK_P_NOT_SAFE_PRIME
# define d2i_DHparams_fp(fp, x) \
(DH *)ASN1_d2i_fp((char *(*)())DH_new, \
(char *(*)())d2i_DHparams, \
(fp), \
(unsigned char **)(x))
# define i2d_DHparams_fp(fp, x) \
ASN1_i2d_fp(i2d_DHparams,(fp), (unsigned char *)(x))
# define d2i_DHparams_bio(bp, x) \
ASN1_d2i_bio_of(DH, DH_new, d2i_DHparams, bp, x)
# define i2d_DHparams_bio(bp, x) \
ASN1_i2d_bio_of(DH, i2d_DHparams, bp, x)
# define d2i_DHxparams_fp(fp,x) \
(DH *)ASN1_d2i_fp((char *(*)())DH_new, \
(char *(*)())d2i_DHxparams, \
(fp), \
(unsigned char **)(x))
# define i2d_DHxparams_fp(fp, x) \
ASN1_i2d_fp(i2d_DHxparams,(fp), (unsigned char *)(x))
# define d2i_DHxparams_bio(bp, x) \
ASN1_d2i_bio_of(DH, DH_new, d2i_DHxparams, bp, x)
# define i2d_DHxparams_bio(bp, x) \
ASN1_i2d_bio_of(DH, i2d_DHxparams, bp, x)
DECLARE_ASN1_DUP_FUNCTION_name_attr(OSSL_DEPRECATEDIN_3_0, DH, DHparams)
OSSL_DEPRECATEDIN_3_0 const DH_METHOD *DH_OpenSSL(void);
OSSL_DEPRECATEDIN_3_0 void DH_set_default_method(const DH_METHOD *meth);
OSSL_DEPRECATEDIN_3_0 const DH_METHOD *DH_get_default_method(void);
OSSL_DEPRECATEDIN_3_0 int DH_set_method(DH *dh, const DH_METHOD *meth);
OSSL_DEPRECATEDIN_3_0 DH *DH_new_method(ENGINE *engine);
OSSL_DEPRECATEDIN_3_0 DH *DH_new(void);
OSSL_DEPRECATEDIN_3_0 void DH_free(DH *dh);
OSSL_DEPRECATEDIN_3_0 int DH_up_ref(DH *dh);
OSSL_DEPRECATEDIN_3_0 int DH_bits(const DH *dh);
OSSL_DEPRECATEDIN_3_0 int DH_size(const DH *dh);
OSSL_DEPRECATEDIN_3_0 int DH_security_bits(const DH *dh);
# define DH_get_ex_new_index(l, p, newf, dupf, freef) \
CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DH, l, p, newf, dupf, freef)
OSSL_DEPRECATEDIN_3_0 int DH_set_ex_data(DH *d, int idx, void *arg);
OSSL_DEPRECATEDIN_3_0 void *DH_get_ex_data(const DH *d, int idx);
OSSL_DEPRECATEDIN_3_0 int DH_generate_parameters_ex(DH *dh, int prime_len,
int generator,
BN_GENCB *cb);
OSSL_DEPRECATEDIN_3_0 int DH_check_params_ex(const DH *dh);
OSSL_DEPRECATEDIN_3_0 int DH_check_ex(const DH *dh);
OSSL_DEPRECATEDIN_3_0 int DH_check_pub_key_ex(const DH *dh, const BIGNUM *pub_key);
OSSL_DEPRECATEDIN_3_0 int DH_check_params(const DH *dh, int *ret);
OSSL_DEPRECATEDIN_3_0 int DH_check(const DH *dh, int *codes);
OSSL_DEPRECATEDIN_3_0 int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key,
int *codes);
OSSL_DEPRECATEDIN_3_0 int DH_generate_key(DH *dh);
OSSL_DEPRECATEDIN_3_0 int DH_compute_key(unsigned char *key,
const BIGNUM *pub_key, DH *dh);
OSSL_DEPRECATEDIN_3_0 int DH_compute_key_padded(unsigned char *key,
const BIGNUM *pub_key, DH *dh);
DECLARE_ASN1_ENCODE_FUNCTIONS_only_attr(OSSL_DEPRECATEDIN_3_0, DH, DHparams)
DECLARE_ASN1_ENCODE_FUNCTIONS_only_attr(OSSL_DEPRECATEDIN_3_0, DH, DHxparams)
# ifndef OPENSSL_NO_STDIO
OSSL_DEPRECATEDIN_3_0 int DHparams_print_fp(FILE *fp, const DH *x);
# endif
OSSL_DEPRECATEDIN_3_0 int DHparams_print(BIO *bp, const DH *x);
/* RFC 5114 parameters */
OSSL_DEPRECATEDIN_3_0 DH *DH_get_1024_160(void);
OSSL_DEPRECATEDIN_3_0 DH *DH_get_2048_224(void);
OSSL_DEPRECATEDIN_3_0 DH *DH_get_2048_256(void);
/* Named parameters, currently RFC7919 and RFC3526 */
OSSL_DEPRECATEDIN_3_0 DH *DH_new_by_nid(int nid);
OSSL_DEPRECATEDIN_3_0 int DH_get_nid(const DH *dh);
/* RFC2631 KDF */
OSSL_DEPRECATEDIN_3_0 int DH_KDF_X9_42(unsigned char *out, size_t outlen,
const unsigned char *Z, size_t Zlen,
ASN1_OBJECT *key_oid,
const unsigned char *ukm,
size_t ukmlen, const EVP_MD *md);
OSSL_DEPRECATEDIN_3_0 void DH_get0_pqg(const DH *dh, const BIGNUM **p,
const BIGNUM **q, const BIGNUM **g);
OSSL_DEPRECATEDIN_3_0 int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g);
OSSL_DEPRECATEDIN_3_0 void DH_get0_key(const DH *dh, const BIGNUM **pub_key,
const BIGNUM **priv_key);
OSSL_DEPRECATEDIN_3_0 int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key);
OSSL_DEPRECATEDIN_3_0 const BIGNUM *DH_get0_p(const DH *dh);
OSSL_DEPRECATEDIN_3_0 const BIGNUM *DH_get0_q(const DH *dh);
OSSL_DEPRECATEDIN_3_0 const BIGNUM *DH_get0_g(const DH *dh);
OSSL_DEPRECATEDIN_3_0 const BIGNUM *DH_get0_priv_key(const DH *dh);
OSSL_DEPRECATEDIN_3_0 const BIGNUM *DH_get0_pub_key(const DH *dh);
OSSL_DEPRECATEDIN_3_0 void DH_clear_flags(DH *dh, int flags);
OSSL_DEPRECATEDIN_3_0 int DH_test_flags(const DH *dh, int flags);
OSSL_DEPRECATEDIN_3_0 void DH_set_flags(DH *dh, int flags);
OSSL_DEPRECATEDIN_3_0 ENGINE *DH_get0_engine(DH *d);
OSSL_DEPRECATEDIN_3_0 long DH_get_length(const DH *dh);
OSSL_DEPRECATEDIN_3_0 int DH_set_length(DH *dh, long length);
OSSL_DEPRECATEDIN_3_0 DH_METHOD *DH_meth_new(const char *name, int flags);
OSSL_DEPRECATEDIN_3_0 void DH_meth_free(DH_METHOD *dhm);
OSSL_DEPRECATEDIN_3_0 DH_METHOD *DH_meth_dup(const DH_METHOD *dhm);
OSSL_DEPRECATEDIN_3_0 const char *DH_meth_get0_name(const DH_METHOD *dhm);
OSSL_DEPRECATEDIN_3_0 int DH_meth_set1_name(DH_METHOD *dhm, const char *name);
OSSL_DEPRECATEDIN_3_0 int DH_meth_get_flags(const DH_METHOD *dhm);
OSSL_DEPRECATEDIN_3_0 int DH_meth_set_flags(DH_METHOD *dhm, int flags);
OSSL_DEPRECATEDIN_3_0 void *DH_meth_get0_app_data(const DH_METHOD *dhm);
OSSL_DEPRECATEDIN_3_0 int DH_meth_set0_app_data(DH_METHOD *dhm, void *app_data);
OSSL_DEPRECATEDIN_3_0 int (*DH_meth_get_generate_key(const DH_METHOD *dhm)) (DH *);
OSSL_DEPRECATEDIN_3_0 int DH_meth_set_generate_key(DH_METHOD *dhm,
int (*generate_key) (DH *));
OSSL_DEPRECATEDIN_3_0 int (*DH_meth_get_compute_key(const DH_METHOD *dhm))
(unsigned char *key,
const BIGNUM *pub_key,
DH *dh);
OSSL_DEPRECATEDIN_3_0 int DH_meth_set_compute_key(DH_METHOD *dhm,
int (*compute_key)
(unsigned char *key,
const BIGNUM *pub_key,
DH *dh));
OSSL_DEPRECATEDIN_3_0 int (*DH_meth_get_bn_mod_exp(const DH_METHOD *dhm))
(const DH *, BIGNUM *,
const BIGNUM *,
const BIGNUM *,
const BIGNUM *, BN_CTX *,
BN_MONT_CTX *);
OSSL_DEPRECATEDIN_3_0 int DH_meth_set_bn_mod_exp(DH_METHOD *dhm,
int (*bn_mod_exp)
(const DH *, BIGNUM *,
const BIGNUM *, const BIGNUM *,
const BIGNUM *, BN_CTX *,
BN_MONT_CTX *));
OSSL_DEPRECATEDIN_3_0 int (*DH_meth_get_init(const DH_METHOD *dhm))(DH *);
OSSL_DEPRECATEDIN_3_0 int DH_meth_set_init(DH_METHOD *dhm, int (*init)(DH *));
OSSL_DEPRECATEDIN_3_0 int (*DH_meth_get_finish(const DH_METHOD *dhm)) (DH *);
OSSL_DEPRECATEDIN_3_0 int DH_meth_set_finish(DH_METHOD *dhm, int (*finish) (DH *));
OSSL_DEPRECATEDIN_3_0 int (*DH_meth_get_generate_params(const DH_METHOD *dhm))
(DH *, int, int,
BN_GENCB *);
OSSL_DEPRECATEDIN_3_0 int DH_meth_set_generate_params(DH_METHOD *dhm,
int (*generate_params)
(DH *, int, int,
BN_GENCB *));
# endif /* OPENSSL_NO_DEPRECATED_3_0 */
# ifndef OPENSSL_NO_DEPRECATED_0_9_8
OSSL_DEPRECATEDIN_0_9_8 DH *DH_generate_parameters(int prime_len, int generator,
void (*callback) (int, int,
void *),
void *cb_arg);
# endif
# endif
# ifdef __cplusplus
}
# endif
#endif
|
