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source: vbox/trunk/src/libs/openssl-1.1.1l/include/openssl/dsa.h@ 91772

Last change on this file since 91772 was 91772, checked in by vboxsync, 3 years ago

openssl-1.1.1l: Applied and adjusted our OpenSSL changes to 1.1.1l. bugref:10126
File size: 9.8 KB
Line 
1/*
2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#ifndef HEADER_DSA_H
11# define HEADER_DSA_H
12
13# include <openssl/opensslconf.h>
14
15# ifndef OPENSSL_NO_DSA
16# ifdef __cplusplus
17extern "C" {
18# endif
19# include <openssl/e_os2.h>
20# include <openssl/bio.h>
21# include <openssl/crypto.h>
22# include <openssl/ossl_typ.h>
23# include <openssl/bn.h>
24# if OPENSSL_API_COMPAT < 0x10100000L
25# include <openssl/dh.h>
26# endif
27# include <openssl/dsaerr.h>
28
29# ifndef OPENSSL_DSA_MAX_MODULUS_BITS
30# define OPENSSL_DSA_MAX_MODULUS_BITS 10000
31# endif
32
33# define OPENSSL_DSA_FIPS_MIN_MODULUS_BITS 1024
34
35# define DSA_FLAG_CACHE_MONT_P 0x01
36# if OPENSSL_API_COMPAT < 0x10100000L
37/*
38 * Does nothing. Previously this switched off constant time behaviour.
39 */
40# define DSA_FLAG_NO_EXP_CONSTTIME 0x00
41# endif
42
43/*
44 * If this flag is set the DSA method is FIPS compliant and can be used in
45 * FIPS mode. This is set in the validated module method. If an application
46 * sets this flag in its own methods it is its responsibility to ensure the
47 * result is compliant.
48 */
49
50# define DSA_FLAG_FIPS_METHOD 0x0400
51
52/*
53 * If this flag is set the operations normally disabled in FIPS mode are
54 * permitted it is then the applications responsibility to ensure that the
55 * usage is compliant.
56 */
57
58# define DSA_FLAG_NON_FIPS_ALLOW 0x0400
59# define DSA_FLAG_FIPS_CHECKED 0x0800
60
61/* Already defined in ossl_typ.h */
62/* typedef struct dsa_st DSA; */
63/* typedef struct dsa_method DSA_METHOD; */
64
65typedef struct DSA_SIG_st DSA_SIG;
66
67# define d2i_DSAparams_fp(fp,x) (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \
68 (char *(*)())d2i_DSAparams,(fp),(unsigned char **)(x))
69# define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \
70 (unsigned char *)(x))
71# define d2i_DSAparams_bio(bp,x) ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSAparams,bp,x)
72# define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio_of_const(DSA,i2d_DSAparams,bp,x)
73
74DSA *DSAparams_dup(DSA *x);
75DSA_SIG *DSA_SIG_new(void);
76void DSA_SIG_free(DSA_SIG *a);
77int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp);
78DSA_SIG *d2i_DSA_SIG(DSA_SIG **v, const unsigned char **pp, long length);
79void DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps);
80int DSA_SIG_set0(DSA_SIG *sig, BIGNUM *r, BIGNUM *s);
81
82DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
83int DSA_do_verify(const unsigned char *dgst, int dgst_len,
84 DSA_SIG *sig, DSA *dsa);
85
86const DSA_METHOD *DSA_OpenSSL(void);
87
88void DSA_set_default_method(const DSA_METHOD *);
89const DSA_METHOD *DSA_get_default_method(void);
90int DSA_set_method(DSA *dsa, const DSA_METHOD *);
91const DSA_METHOD *DSA_get_method(DSA *d);
92
93DSA *DSA_new(void);
94DSA *DSA_new_method(ENGINE *engine);
95void DSA_free(DSA *r);
96/* "up" the DSA object's reference count */
97int DSA_up_ref(DSA *r);
98int DSA_size(const DSA *);
99int DSA_bits(const DSA *d);
100int DSA_security_bits(const DSA *d);
101 /* next 4 return -1 on error */
102DEPRECATEDIN_1_2_0(int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp))
103int DSA_sign(int type, const unsigned char *dgst, int dlen,
104 unsigned char *sig, unsigned int *siglen, DSA *dsa);
105int DSA_verify(int type, const unsigned char *dgst, int dgst_len,
106 const unsigned char *sigbuf, int siglen, DSA *dsa);
107#define DSA_get_ex_new_index(l, p, newf, dupf, freef) \
108 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DSA, l, p, newf, dupf, freef)
109int DSA_set_ex_data(DSA *d, int idx, void *arg);
110void *DSA_get_ex_data(DSA *d, int idx);
111
112DSA *d2i_DSAPublicKey(DSA **a, const unsigned char **pp, long length);
113DSA *d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length);
114DSA *d2i_DSAparams(DSA **a, const unsigned char **pp, long length);
115
116/* Deprecated version */
117DEPRECATEDIN_0_9_8(DSA *DSA_generate_parameters(int bits,
118 unsigned char *seed,
119 int seed_len,
120 int *counter_ret,
121 unsigned long *h_ret, void
122 (*callback) (int, int,
123 void *),
124 void *cb_arg))
125
126/* New version */
127int DSA_generate_parameters_ex(DSA *dsa, int bits,
128 const unsigned char *seed, int seed_len,
129 int *counter_ret, unsigned long *h_ret,
130 BN_GENCB *cb);
131
132int DSA_generate_key(DSA *a);
133int i2d_DSAPublicKey(const DSA *a, unsigned char **pp);
134int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp);
135int i2d_DSAparams(const DSA *a, unsigned char **pp);
136
137int DSAparams_print(BIO *bp, const DSA *x);
138int DSA_print(BIO *bp, const DSA *x, int off);
139# ifndef OPENSSL_NO_STDIO
140int DSAparams_print_fp(FILE *fp, const DSA *x);
141int DSA_print_fp(FILE *bp, const DSA *x, int off);
142# endif
143
144# define DSS_prime_checks 64
145/*
146 * Primality test according to FIPS PUB 186-4, Appendix C.3. Since we only
147 * have one value here we set the number of checks to 64 which is the 128 bit
148 * security level that is the highest level and valid for creating a 3072 bit
149 * DSA key.
150 */
151# define DSA_is_prime(n, callback, cb_arg) \
152 BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg)
153
154# ifndef OPENSSL_NO_DH
155/*
156 * Convert DSA structure (key or just parameters) into DH structure (be
157 * careful to avoid small subgroup attacks when using this!)
158 */
159DH *DSA_dup_DH(const DSA *r);
160# endif
161
162# define EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits) \
163 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
164 EVP_PKEY_CTRL_DSA_PARAMGEN_BITS, nbits, NULL)
165# define EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, qbits) \
166 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
167 EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS, qbits, NULL)
168# define EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, md) \
169 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
170 EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0, (void *)(md))
171
172# define EVP_PKEY_CTRL_DSA_PARAMGEN_BITS (EVP_PKEY_ALG_CTRL + 1)
173# define EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS (EVP_PKEY_ALG_CTRL + 2)
174# define EVP_PKEY_CTRL_DSA_PARAMGEN_MD (EVP_PKEY_ALG_CTRL + 3)
175
176void DSA_get0_pqg(const DSA *d,
177 const BIGNUM **p, const BIGNUM **q, const BIGNUM **g);
178int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g);
179void DSA_get0_key(const DSA *d,
180 const BIGNUM **pub_key, const BIGNUM **priv_key);
181int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key);
182const BIGNUM *DSA_get0_p(const DSA *d);
183const BIGNUM *DSA_get0_q(const DSA *d);
184const BIGNUM *DSA_get0_g(const DSA *d);
185const BIGNUM *DSA_get0_pub_key(const DSA *d);
186const BIGNUM *DSA_get0_priv_key(const DSA *d);
187void DSA_clear_flags(DSA *d, int flags);
188int DSA_test_flags(const DSA *d, int flags);
189void DSA_set_flags(DSA *d, int flags);
190ENGINE *DSA_get0_engine(DSA *d);
191
192DSA_METHOD *DSA_meth_new(const char *name, int flags);
193void DSA_meth_free(DSA_METHOD *dsam);
194DSA_METHOD *DSA_meth_dup(const DSA_METHOD *dsam);
195const char *DSA_meth_get0_name(const DSA_METHOD *dsam);
196int DSA_meth_set1_name(DSA_METHOD *dsam, const char *name);
197int DSA_meth_get_flags(const DSA_METHOD *dsam);
198int DSA_meth_set_flags(DSA_METHOD *dsam, int flags);
199void *DSA_meth_get0_app_data(const DSA_METHOD *dsam);
200int DSA_meth_set0_app_data(DSA_METHOD *dsam, void *app_data);
201DSA_SIG *(*DSA_meth_get_sign(const DSA_METHOD *dsam))
202 (const unsigned char *, int, DSA *);
203int DSA_meth_set_sign(DSA_METHOD *dsam,
204 DSA_SIG *(*sign) (const unsigned char *, int, DSA *));
205int (*DSA_meth_get_sign_setup(const DSA_METHOD *dsam))
206 (DSA *, BN_CTX *, BIGNUM **, BIGNUM **);
207int DSA_meth_set_sign_setup(DSA_METHOD *dsam,
208 int (*sign_setup) (DSA *, BN_CTX *, BIGNUM **, BIGNUM **));
209int (*DSA_meth_get_verify(const DSA_METHOD *dsam))
210 (const unsigned char *, int, DSA_SIG *, DSA *);
211int DSA_meth_set_verify(DSA_METHOD *dsam,
212 int (*verify) (const unsigned char *, int, DSA_SIG *, DSA *));
213int (*DSA_meth_get_mod_exp(const DSA_METHOD *dsam))
214 (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *,
215 const BIGNUM *, const BIGNUM *, BN_CTX *, BN_MONT_CTX *);
216int DSA_meth_set_mod_exp(DSA_METHOD *dsam,
217 int (*mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *,
218 const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *,
219 BN_MONT_CTX *));
220int (*DSA_meth_get_bn_mod_exp(const DSA_METHOD *dsam))
221 (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *,
222 BN_CTX *, BN_MONT_CTX *);
223int DSA_meth_set_bn_mod_exp(DSA_METHOD *dsam,
224 int (*bn_mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *,
225 const BIGNUM *, BN_CTX *, BN_MONT_CTX *));
226int (*DSA_meth_get_init(const DSA_METHOD *dsam))(DSA *);
227int DSA_meth_set_init(DSA_METHOD *dsam, int (*init)(DSA *));
228int (*DSA_meth_get_finish(const DSA_METHOD *dsam)) (DSA *);
229int DSA_meth_set_finish(DSA_METHOD *dsam, int (*finish) (DSA *));
230int (*DSA_meth_get_paramgen(const DSA_METHOD *dsam))
231 (DSA *, int, const unsigned char *, int, int *, unsigned long *,
232 BN_GENCB *);
233int DSA_meth_set_paramgen(DSA_METHOD *dsam,
234 int (*paramgen) (DSA *, int, const unsigned char *, int, int *,
235 unsigned long *, BN_GENCB *));
236int (*DSA_meth_get_keygen(const DSA_METHOD *dsam)) (DSA *);
237int DSA_meth_set_keygen(DSA_METHOD *dsam, int (*keygen) (DSA *));
238
239
240# ifdef __cplusplus
241}
242# endif
243# endif
244#endif
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