dsa.h
9.41 KB
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
/*
* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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 HEADER_DSA_H
# define HEADER_DSA_H
# include <openssl/opensslconf.h>
# ifndef OPENSSL_NO_DSA
# ifdef __cplusplus
extern "C" {
# endif
# include <openssl/e_os2.h>
# include <openssl/bio.h>
# include <openssl/crypto.h>
# include <openssl/ossl_typ.h>
# include <openssl/bn.h>
# if OPENSSL_API_COMPAT < 0x10100000L
# include <openssl/dh.h>
# endif
# include <openssl/dsaerr.h>
# ifndef OPENSSL_DSA_MAX_MODULUS_BITS
# define OPENSSL_DSA_MAX_MODULUS_BITS 10000
# endif
# define OPENSSL_DSA_FIPS_MIN_MODULUS_BITS 1024
# define DSA_FLAG_CACHE_MONT_P 0x01
# if OPENSSL_API_COMPAT < 0x10100000L
/*
* Does nothing. Previously this switched off constant time behaviour.
*/
# define DSA_FLAG_NO_EXP_CONSTTIME 0x00
# endif
/*
* If this flag is set the DSA 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 DSA_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 DSA_FLAG_NON_FIPS_ALLOW 0x0400
# define DSA_FLAG_FIPS_CHECKED 0x0800
/* Already defined in ossl_typ.h */
/* typedef struct dsa_st DSA; */
/* typedef struct dsa_method DSA_METHOD; */
typedef struct DSA_SIG_st DSA_SIG;
# define d2i_DSAparams_fp(fp,x) (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \
(char *(*)())d2i_DSAparams,(fp),(unsigned char **)(x))
# define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \
(unsigned char *)(x))
# define d2i_DSAparams_bio(bp,x) ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSAparams,bp,x)
# define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio_of_const(DSA,i2d_DSAparams,bp,x)
DSA *DSAparams_dup(DSA *x);
DSA_SIG *DSA_SIG_new(void);
void DSA_SIG_free(DSA_SIG *a);
int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp);
DSA_SIG *d2i_DSA_SIG(DSA_SIG **v, const unsigned char **pp, long length);
void DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps);
int DSA_SIG_set0(DSA_SIG *sig, BIGNUM *r, BIGNUM *s);
DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
int DSA_do_verify(const unsigned char *dgst, int dgst_len,
DSA_SIG *sig, DSA *dsa);
const DSA_METHOD *DSA_OpenSSL(void);
void DSA_set_default_method(const DSA_METHOD *);
const DSA_METHOD *DSA_get_default_method(void);
int DSA_set_method(DSA *dsa, const DSA_METHOD *);
const DSA_METHOD *DSA_get_method(DSA *d);
DSA *DSA_new(void);
DSA *DSA_new_method(ENGINE *engine);
void DSA_free(DSA *r);
/* "up" the DSA object's reference count */
int DSA_up_ref(DSA *r);
int DSA_size(const DSA *);
int DSA_bits(const DSA *d);
int DSA_security_bits(const DSA *d);
/* next 4 return -1 on error */
DEPRECATEDIN_1_2_0(int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp))
int DSA_sign(int type, const unsigned char *dgst, int dlen,
unsigned char *sig, unsigned int *siglen, DSA *dsa);
int DSA_verify(int type, const unsigned char *dgst, int dgst_len,
const unsigned char *sigbuf, int siglen, DSA *dsa);
#define DSA_get_ex_new_index(l, p, newf, dupf, freef) \
CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DSA, l, p, newf, dupf, freef)
int DSA_set_ex_data(DSA *d, int idx, void *arg);
void *DSA_get_ex_data(DSA *d, int idx);
DSA *d2i_DSAPublicKey(DSA **a, const unsigned char **pp, long length);
DSA *d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length);
DSA *d2i_DSAparams(DSA **a, const unsigned char **pp, long length);
/* Deprecated version */
DEPRECATEDIN_0_9_8(DSA *DSA_generate_parameters(int bits,
unsigned char *seed,
int seed_len,
int *counter_ret,
unsigned long *h_ret, void
(*callback) (int, int,
void *),
void *cb_arg))
/* New version */
int DSA_generate_parameters_ex(DSA *dsa, int bits,
const unsigned char *seed, int seed_len,
int *counter_ret, unsigned long *h_ret,
BN_GENCB *cb);
int DSA_generate_key(DSA *a);
int i2d_DSAPublicKey(const DSA *a, unsigned char **pp);
int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp);
int i2d_DSAparams(const DSA *a, unsigned char **pp);
int DSAparams_print(BIO *bp, const DSA *x);
int DSA_print(BIO *bp, const DSA *x, int off);
# ifndef OPENSSL_NO_STDIO
int DSAparams_print_fp(FILE *fp, const DSA *x);
int DSA_print_fp(FILE *bp, const DSA *x, int off);
# endif
# define DSS_prime_checks 64
/*
* Primality test according to FIPS PUB 186-4, Appendix C.3. Since we only
* have one value here we set the number of checks to 64 which is the 128 bit
* security level that is the highest level and valid for creating a 3072 bit
* DSA key.
*/
# define DSA_is_prime(n, callback, cb_arg) \
BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg)
# ifndef OPENSSL_NO_DH
/*
* Convert DSA structure (key or just parameters) into DH structure (be
* careful to avoid small subgroup attacks when using this!)
*/
DH *DSA_dup_DH(const DSA *r);
# endif
# define EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
EVP_PKEY_CTRL_DSA_PARAMGEN_BITS, nbits, NULL)
# define EVP_PKEY_CTRL_DSA_PARAMGEN_BITS (EVP_PKEY_ALG_CTRL + 1)
# define EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS (EVP_PKEY_ALG_CTRL + 2)
# define EVP_PKEY_CTRL_DSA_PARAMGEN_MD (EVP_PKEY_ALG_CTRL + 3)
void DSA_get0_pqg(const DSA *d,
const BIGNUM **p, const BIGNUM **q, const BIGNUM **g);
int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g);
void DSA_get0_key(const DSA *d,
const BIGNUM **pub_key, const BIGNUM **priv_key);
int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key);
const BIGNUM *DSA_get0_p(const DSA *d);
const BIGNUM *DSA_get0_q(const DSA *d);
const BIGNUM *DSA_get0_g(const DSA *d);
const BIGNUM *DSA_get0_pub_key(const DSA *d);
const BIGNUM *DSA_get0_priv_key(const DSA *d);
void DSA_clear_flags(DSA *d, int flags);
int DSA_test_flags(const DSA *d, int flags);
void DSA_set_flags(DSA *d, int flags);
ENGINE *DSA_get0_engine(DSA *d);
DSA_METHOD *DSA_meth_new(const char *name, int flags);
void DSA_meth_free(DSA_METHOD *dsam);
DSA_METHOD *DSA_meth_dup(const DSA_METHOD *dsam);
const char *DSA_meth_get0_name(const DSA_METHOD *dsam);
int DSA_meth_set1_name(DSA_METHOD *dsam, const char *name);
int DSA_meth_get_flags(const DSA_METHOD *dsam);
int DSA_meth_set_flags(DSA_METHOD *dsam, int flags);
void *DSA_meth_get0_app_data(const DSA_METHOD *dsam);
int DSA_meth_set0_app_data(DSA_METHOD *dsam, void *app_data);
DSA_SIG *(*DSA_meth_get_sign(const DSA_METHOD *dsam))
(const unsigned char *, int, DSA *);
int DSA_meth_set_sign(DSA_METHOD *dsam,
DSA_SIG *(*sign) (const unsigned char *, int, DSA *));
int (*DSA_meth_get_sign_setup(const DSA_METHOD *dsam))
(DSA *, BN_CTX *, BIGNUM **, BIGNUM **);
int DSA_meth_set_sign_setup(DSA_METHOD *dsam,
int (*sign_setup) (DSA *, BN_CTX *, BIGNUM **, BIGNUM **));
int (*DSA_meth_get_verify(const DSA_METHOD *dsam))
(const unsigned char *, int, DSA_SIG *, DSA *);
int DSA_meth_set_verify(DSA_METHOD *dsam,
int (*verify) (const unsigned char *, int, DSA_SIG *, DSA *));
int (*DSA_meth_get_mod_exp(const DSA_METHOD *dsam))
(DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *,
const BIGNUM *, const BIGNUM *, BN_CTX *, BN_MONT_CTX *);
int DSA_meth_set_mod_exp(DSA_METHOD *dsam,
int (*mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *,
const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *,
BN_MONT_CTX *));
int (*DSA_meth_get_bn_mod_exp(const DSA_METHOD *dsam))
(DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *,
BN_CTX *, BN_MONT_CTX *);
int DSA_meth_set_bn_mod_exp(DSA_METHOD *dsam,
int (*bn_mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *,
const BIGNUM *, BN_CTX *, BN_MONT_CTX *));
int (*DSA_meth_get_init(const DSA_METHOD *dsam))(DSA *);
int DSA_meth_set_init(DSA_METHOD *dsam, int (*init)(DSA *));
int (*DSA_meth_get_finish(const DSA_METHOD *dsam)) (DSA *);
int DSA_meth_set_finish(DSA_METHOD *dsam, int (*finish) (DSA *));
int (*DSA_meth_get_paramgen(const DSA_METHOD *dsam))
(DSA *, int, const unsigned char *, int, int *, unsigned long *,
BN_GENCB *);
int DSA_meth_set_paramgen(DSA_METHOD *dsam,
int (*paramgen) (DSA *, int, const unsigned char *, int, int *,
unsigned long *, BN_GENCB *));
int (*DSA_meth_get_keygen(const DSA_METHOD *dsam)) (DSA *);
int DSA_meth_set_keygen(DSA_METHOD *dsam, int (*keygen) (DSA *));
# ifdef __cplusplus
}
# endif
# endif
#endif