[thirdparty/openssl.git] / include / openssl / dsa.h

/*
 * Copyright 1995-2018 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_DSA_H
# define OPENSSL_DSA_H
# pragma once

# include <openssl/macros.h>
# ifndef OPENSSL_NO_DEPRECATED_3_0
#  define HEADER_DSA_H
# endif

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_DSA
#  ifdef  __cplusplus
extern "C" {
#  endif
#  include <openssl/e_os2.h>
#  include <openssl/asn1.h>
#  include <openssl/bio.h>
#  include <openssl/crypto.h>
#  include <openssl/types.h>
#  include <openssl/bn.h>
#  ifndef OPENSSL_NO_DEPRECATED_1_1_0
#   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

#  ifndef OPENSSL_NO_DEPRECATED_1_1_0
/*
 * Does nothing. Previously this switched off constant time behaviour.
 */
#   define DSA_FLAG_NO_EXP_CONSTTIME       0x00
#  endif

#  ifndef OPENSSL_NO_DEPRECATED_3_0
#   define DSA_FLAG_CACHE_MONT_P   0x01

/*
 * 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
#  endif    /* OPENSSL_NO_DEPRECATED_3_0 */

/* Already defined in ossl_typ.h */
/* typedef struct dsa_st DSA; */
/* typedef struct dsa_method DSA_METHOD; */

typedef struct DSA_SIG_st DSA_SIG;

/*
 * TODO(3.0): consider removing the ASN.1 encoding and decoding when
 * deserialisation is completed elsewhere.
 */
#  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(DSA, i2d_DSAparams, bp, x)

DECLARE_ASN1_DUP_FUNCTION_name(DSA, DSAparams)
DSA_SIG *DSA_SIG_new(void);
void DSA_SIG_free(DSA_SIG *a);
DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA_SIG, DSA_SIG)
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);

DEPRECATEDIN_3_0(DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen,
                                      DSA *dsa))
DEPRECATEDIN_3_0(int DSA_do_verify(const unsigned char *dgst, int dgst_len,
                                   DSA_SIG *sig, DSA *dsa))

DEPRECATEDIN_3_0(const DSA_METHOD *DSA_OpenSSL(void))

DEPRECATEDIN_3_0(void DSA_set_default_method(const DSA_METHOD *))
DEPRECATEDIN_3_0(const DSA_METHOD *DSA_get_default_method(void))
DEPRECATEDIN_3_0(int DSA_set_method(DSA *dsa, const DSA_METHOD *))
DEPRECATEDIN_3_0(const DSA_METHOD *DSA_get_method(DSA *d))

DSA *DSA_new(void);
DEPRECATEDIN_3_0(DSA *DSA_new_method(ENGINE *engine))
void DSA_free(DSA *r);
/* "up" the DSA object's reference count */
int DSA_up_ref(DSA *r);
DEPRECATEDIN_3_0(int DSA_size(const DSA *))
DEPRECATEDIN_3_0(int DSA_bits(const DSA *d))
DEPRECATEDIN_3_0(int DSA_security_bits(const DSA *d))
        /* next 4 return -1 on error */
DEPRECATEDIN_3_0(int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
                                    BIGNUM **rp))
DEPRECATEDIN_3_0(int DSA_sign(int type, const unsigned char *dgst, int dlen,
                              unsigned char *sig, unsigned int *siglen,
                              DSA *dsa))
DEPRECATEDIN_3_0(int DSA_verify(int type, const unsigned char *dgst,
                                int dgst_len, const unsigned char *sigbuf,
                                int siglen, DSA *dsa))
#  ifndef OPENSSL_NO_DEPRECATED_3_0
#   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)
#  endif
DEPRECATEDIN_3_0(int DSA_set_ex_data(DSA *d, int idx, void *arg))
DEPRECATEDIN_3_0(void *DSA_get_ex_data(DSA *d, int idx))

DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA, DSAPublicKey)
DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA, DSAPrivateKey)
DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA, DSAparams)

/* 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 */
DEPRECATEDIN_3_0(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))

DEPRECATEDIN_3_0(int DSA_generate_key(DSA *a))

DEPRECATEDIN_3_0(int DSAparams_print(BIO *bp, const DSA *x))
DEPRECATEDIN_3_0(int DSA_print(BIO *bp, const DSA *x, int off))
#  ifndef OPENSSL_NO_STDIO
DEPRECATEDIN_3_0(int DSAparams_print_fp(FILE *fp, const DSA *x))
DEPRECATEDIN_3_0(int DSA_print_fp(FILE *bp, const DSA *x, int off))
#  endif

#  ifndef OPENSSL_NO_DEPRECATED_3_0
#   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)
#  endif

#  ifndef OPENSSL_NO_DH
/*
 * Convert DSA structure (key or just parameters) into DH structure (be
 * careful to avoid small subgroup attacks when using this!)
 *
 * TODO(3.0): figure out how to remove this monstrosity
 */
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_CTX_set_dsa_paramgen_q_bits(ctx, qbits) \
         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
                           EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS, qbits, NULL)
#  define EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, md) \
         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
                           EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0, (void *)(md))

#  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);
DEPRECATEDIN_3_0(ENGINE *DSA_get0_engine(DSA *d))

DEPRECATEDIN_3_0(DSA_METHOD *DSA_meth_new(const char *name, int flags))
DEPRECATEDIN_3_0(void DSA_meth_free(DSA_METHOD *dsam))
DEPRECATEDIN_3_0(DSA_METHOD *DSA_meth_dup(const DSA_METHOD *dsam))
DEPRECATEDIN_3_0(const char *DSA_meth_get0_name(const DSA_METHOD *dsam))
DEPRECATEDIN_3_0(int DSA_meth_set1_name(DSA_METHOD *dsam, const char *name))
DEPRECATEDIN_3_0(int DSA_meth_get_flags(const DSA_METHOD *dsam))
DEPRECATEDIN_3_0(int DSA_meth_set_flags(DSA_METHOD *dsam, int flags))
DEPRECATEDIN_3_0(void *DSA_meth_get0_app_data(const DSA_METHOD *dsam))
DEPRECATEDIN_3_0(int DSA_meth_set0_app_data(DSA_METHOD *dsam, void *app_data))
DEPRECATEDIN_3_0(DSA_SIG *(*DSA_meth_get_sign(const DSA_METHOD *dsam))
        (const unsigned char *, int, DSA *))
DEPRECATEDIN_3_0(int DSA_meth_set_sign(DSA_METHOD *dsam,
                       DSA_SIG *(*sign) (const unsigned char *, int, DSA *)))
DEPRECATEDIN_3_0(int (*DSA_meth_get_sign_setup(const DSA_METHOD *dsam))
        (DSA *, BN_CTX *, BIGNUM **, BIGNUM **))
DEPRECATEDIN_3_0(int DSA_meth_set_sign_setup(DSA_METHOD *dsam,
        int (*sign_setup) (DSA *, BN_CTX *, BIGNUM **, BIGNUM **)))
DEPRECATEDIN_3_0(int (*DSA_meth_get_verify(const DSA_METHOD *dsam))
        (const unsigned char *, int, DSA_SIG *, DSA *))
DEPRECATEDIN_3_0(int DSA_meth_set_verify(DSA_METHOD *dsam,
    int (*verify) (const unsigned char *, int, DSA_SIG *, DSA *)))
DEPRECATEDIN_3_0(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 *))
DEPRECATEDIN_3_0(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 *)))
DEPRECATEDIN_3_0(int (*DSA_meth_get_bn_mod_exp(const DSA_METHOD *dsam))
    (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *,
     BN_CTX *, BN_MONT_CTX *))
DEPRECATEDIN_3_0(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 *)))
DEPRECATEDIN_3_0(int (*DSA_meth_get_init(const DSA_METHOD *dsam))(DSA *))
DEPRECATEDIN_3_0(int DSA_meth_set_init(DSA_METHOD *dsam, int (*init)(DSA *)))
DEPRECATEDIN_3_0(int (*DSA_meth_get_finish(const DSA_METHOD *dsam)) (DSA *))
DEPRECATEDIN_3_0(int DSA_meth_set_finish(DSA_METHOD *dsam, int (*finish) (DSA *)))
DEPRECATEDIN_3_0(int (*DSA_meth_get_paramgen(const DSA_METHOD *dsam))
        (DSA *, int, const unsigned char *, int, int *, unsigned long *,
         BN_GENCB *))
DEPRECATEDIN_3_0(int DSA_meth_set_paramgen(DSA_METHOD *dsam,
        int (*paramgen) (DSA *, int, const unsigned char *, int, int *,
                         unsigned long *, BN_GENCB *)))
DEPRECATEDIN_3_0(int (*DSA_meth_get_keygen(const DSA_METHOD *dsam)) (DSA *))
DEPRECATEDIN_3_0(int DSA_meth_set_keygen(DSA_METHOD *dsam, int (*keygen) (DSA *)))

#  ifdef  __cplusplus
}
#  endif
# endif
#endif
Commit	Line	Data
21dcbebc	1	/*
6738bf14	2	* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
0f113f3e	3	*
48f4ad77	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
21dcbebc RS	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
d02b48c6 RE	8	*/
d02b48c6 RE	9
ae4186b0 DMSP	10	#ifndef OPENSSL_DSA_H
ae4186b0 DMSP	11	# define OPENSSL_DSA_H
d86167ec DMSP	12	# pragma once
	13
	14	# include <openssl/macros.h>
936c2b9e	15	# ifndef OPENSSL_NO_DEPRECATED_3_0
d86167ec DMSP	16	# define HEADER_DSA_H
d86167ec DMSP	17	# endif
d02b48c6	18
3c27208f	19	# include <openssl/opensslconf.h>
751ff1d3	20
3c27208f	21	# ifndef OPENSSL_NO_DSA
7f6deaf6	22	# ifdef __cplusplus
3c27208f	23	extern "C" {
7f6deaf6 P	24	# endif
	25	# include <openssl/e_os2.h>
	26	# include <openssl/asn1.h>
	27	# include <openssl/bio.h>
	28	# include <openssl/crypto.h>
	29	# include <openssl/types.h>
	30	# include <openssl/bn.h>
	31	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
	32	# include <openssl/dh.h>
	33	# endif
	34	# include <openssl/dsaerr.h>
d02b48c6	35
7f6deaf6 P	36	# ifndef OPENSSL_DSA_MAX_MODULUS_BITS
	37	# define OPENSSL_DSA_MAX_MODULUS_BITS 10000
	38	# endif
0f113f3e	39
7f6deaf6	40	# define OPENSSL_DSA_FIPS_MIN_MODULUS_BITS 1024
5e3225cc	41
7f6deaf6	42	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
0f113f3e	43	/*
5584f65a	44	* Does nothing. Previously this switched off constant time behaviour.
68d39f3c	45	*/
7f6deaf6 P	46	# define DSA_FLAG_NO_EXP_CONSTTIME 0x00
7f6deaf6 P	47	# endif
dfeab068	48
f41ac0ee P	49	# ifndef OPENSSL_NO_DEPRECATED_3_0
	50	# define DSA_FLAG_CACHE_MONT_P 0x01
	51
0f113f3e MC	52	/*
	53	* If this flag is set the DSA method is FIPS compliant and can be used in
	54	* FIPS mode. This is set in the validated module method. If an application
8483a003	55	* sets this flag in its own methods it is its responsibility to ensure the
0f113f3e	56	* result is compliant.
20818e00 DSH	57	*/
20818e00 DSH	58
f41ac0ee	59	# define DSA_FLAG_FIPS_METHOD 0x0400
20818e00	60
0f113f3e MC	61	/*
0f113f3e MC	62	* If this flag is set the operations normally disabled in FIPS mode are
20818e00 DSH	63	* permitted it is then the applications responsibility to ensure that the
	64	* usage is compliant.
	65	*/
	66
f41ac0ee P	67	# define DSA_FLAG_NON_FIPS_ALLOW 0x0400
	68	# define DSA_FLAG_FIPS_CHECKED 0x0800
	69	# endif /* OPENSSL_NO_DEPRECATED_3_0 */
20818e00	70
3a87a9b9 GT	71	/* Already defined in ossl_typ.h */
	72	/* typedef struct dsa_st DSA; */
	73	/* typedef struct dsa_method DSA_METHOD; */
c0711f7f	74
706a13f1	75	typedef struct DSA_SIG_st DSA_SIG;
0f113f3e	76
f41ac0ee P	77	/*
	78	* TODO(3.0): consider removing the ASN.1 encoding and decoding when
	79	* deserialisation is completed elsewhere.
	80	*/
7f6deaf6 P	81	# define d2i_DSAparams_fp(fp, x) \
	82	(DSA )ASN1_d2i_fp((char (*)())DSA_new, \
	83	(char ()())d2i_DSAparams, (fp), \
	84	(unsigned char **)(x))
	85	# define i2d_DSAparams_fp(fp, x) \
f41ac0ee	86	ASN1_i2d_fp(i2d_DSAparams, (fp), (unsigned char *)(x))
7f6deaf6 P	87	# define d2i_DSAparams_bio(bp, x) \
	88	ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSAparams, bp, x)
	89	# define i2d_DSAparams_bio(bp, x) \
	90	ASN1_i2d_bio_of(DSA, i2d_DSAparams, bp, x)
d02b48c6	91
9fdcc21f	92	DECLARE_ASN1_DUP_FUNCTION_name(DSA, DSAparams)
0f113f3e MC	93	DSA_SIG *DSA_SIG_new(void);
0f113f3e MC	94	void DSA_SIG_free(DSA_SIG *a);
9fdcc21f	95	DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA_SIG, DSA_SIG)
9267c11b	96	void DSA_SIG_get0(const DSA_SIG sig, const BIGNUM pr, const BIGNUM *ps);
1d454d58	97	int DSA_SIG_set0(DSA_SIG sig, BIGNUM r, BIGNUM *s);
a8da8918	98
f41ac0ee P	99	DEPRECATEDIN_3_0(DSA_SIG DSA_do_sign(const unsigned char dgst, int dlen,
	100	DSA *dsa))
	101	DEPRECATEDIN_3_0(int DSA_do_verify(const unsigned char *dgst, int dgst_len,
	102	DSA_SIG sig, DSA dsa))
a8da8918	103
f41ac0ee	104	DEPRECATEDIN_3_0(const DSA_METHOD *DSA_OpenSSL(void))
c0711f7f	105
f41ac0ee P	106	DEPRECATEDIN_3_0(void DSA_set_default_method(const DSA_METHOD *))
	107	DEPRECATEDIN_3_0(const DSA_METHOD *DSA_get_default_method(void))
	108	DEPRECATEDIN_3_0(int DSA_set_method(DSA dsa, const DSA_METHOD ))
	109	DEPRECATEDIN_3_0(const DSA_METHOD DSA_get_method(DSA d))
f8463356	110
0f113f3e	111	DSA *DSA_new(void);
f41ac0ee	112	DEPRECATEDIN_3_0(DSA DSA_new_method(ENGINE engine))
0f113f3e	113	void DSA_free(DSA *r);
5cbc2e8b	114	/* "up" the DSA object's reference count */
0f113f3e	115	int DSA_up_ref(DSA *r);
f41ac0ee P	116	DEPRECATEDIN_3_0(int DSA_size(const DSA *))
	117	DEPRECATEDIN_3_0(int DSA_bits(const DSA *d))
	118	DEPRECATEDIN_3_0(int DSA_security_bits(const DSA *d))
0f113f3e	119	/* next 4 return -1 on error */
f41ac0ee P	120	DEPRECATEDIN_3_0(int DSA_sign_setup(DSA dsa, BN_CTX ctx_in, BIGNUM **kinvp,
	121	BIGNUM **rp))
	122	DEPRECATEDIN_3_0(int DSA_sign(int type, const unsigned char *dgst, int dlen,
	123	unsigned char sig, unsigned int siglen,
	124	DSA *dsa))
	125	DEPRECATEDIN_3_0(int DSA_verify(int type, const unsigned char *dgst,
	126	int dgst_len, const unsigned char *sigbuf,
	127	int siglen, DSA *dsa))
	128	# ifndef OPENSSL_NO_DEPRECATED_3_0
	129	# define DSA_get_ex_new_index(l, p, newf, dupf, freef) \
7f6deaf6	130	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DSA, l, p, newf, dupf, freef)
f41ac0ee P	131	# endif
	132	DEPRECATEDIN_3_0(int DSA_set_ex_data(DSA d, int idx, void arg))
	133	DEPRECATEDIN_3_0(void DSA_get_ex_data(DSA d, int idx))
d02b48c6	134
9fdcc21f DO	135	DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA, DSAPublicKey)
	136	DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA, DSAPrivateKey)
	137	DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA, DSAparams)
e9224c71 GT	138
e9224c71 GT	139	/* Deprecated version */
98186eb4	140	DEPRECATEDIN_0_9_8(DSA *DSA_generate_parameters(int bits,
0f113f3e MC	141	unsigned char *seed,
	142	int seed_len,
	143	int *counter_ret,
	144	unsigned long *h_ret, void
	145	(*callback) (int, int,
	146	void *),
98186eb4	147	void *cb_arg))
e9224c71 GT	148
e9224c71 GT	149	/* New version */
f41ac0ee P	150	DEPRECATEDIN_3_0(int DSA_generate_parameters_ex(DSA *dsa, int bits,
	151	const unsigned char *seed,
	152	int seed_len, int *counter_ret,
	153	unsigned long *h_ret,
	154	BN_GENCB *cb))
0f113f3e	155
f41ac0ee	156	DEPRECATEDIN_3_0(int DSA_generate_key(DSA *a))
0f113f3e	157
f41ac0ee P	158	DEPRECATEDIN_3_0(int DSAparams_print(BIO bp, const DSA x))
f41ac0ee P	159	DEPRECATEDIN_3_0(int DSA_print(BIO bp, const DSA x, int off))
7f6deaf6	160	# ifndef OPENSSL_NO_STDIO
f41ac0ee P	161	DEPRECATEDIN_3_0(int DSAparams_print_fp(FILE fp, const DSA x))
f41ac0ee P	162	DEPRECATEDIN_3_0(int DSA_print_fp(FILE bp, const DSA x, int off))
7f6deaf6	163	# endif
0f113f3e	164
7f6deaf6 P	165	# ifndef OPENSSL_NO_DEPRECATED_3_0
7f6deaf6 P	166	# define DSS_prime_checks 64
0f113f3e	167	/*
74ee3796 KR	168	* Primality test according to FIPS PUB 186-4, Appendix C.3. Since we only
	169	* have one value here we set the number of checks to 64 which is the 128 bit
	170	* security level that is the highest level and valid for creating a 3072 bit
	171	* DSA key.
0f113f3e	172	*/
7f6deaf6 P	173	# define DSA_is_prime(n, callback, cb_arg) \
	174	BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg)
	175	# endif
d02b48c6	176
7f6deaf6	177	# ifndef OPENSSL_NO_DH
0f113f3e MC	178	/*
	179	* Convert DSA structure (key or just parameters) into DH structure (be
	180	* careful to avoid small subgroup attacks when using this!)
f41ac0ee P	181	*
f41ac0ee P	182	* TODO(3.0): figure out how to remove this monstrosity
0f113f3e	183	*/
a4aba800	184	DH DSA_dup_DH(const DSA r);
7f6deaf6	185	# endif
48c843c3	186
7f6deaf6 P	187	# define EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits) \
	188	EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
	189	EVP_PKEY_CTRL_DSA_PARAMGEN_BITS, nbits, NULL)
	190	# define EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, qbits) \
	191	EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
	192	EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS, qbits, NULL)
	193	# define EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, md) \
	194	EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
	195	EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0, (void *)(md))
c927df3f	196
7f6deaf6 P	197	# define EVP_PKEY_CTRL_DSA_PARAMGEN_BITS (EVP_PKEY_ALG_CTRL + 1)
	198	# define EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS (EVP_PKEY_ALG_CTRL + 2)
	199	# define EVP_PKEY_CTRL_DSA_PARAMGEN_MD (EVP_PKEY_ALG_CTRL + 3)
c927df3f	200
fd809cfd RL	201	void DSA_get0_pqg(const DSA *d,
fd809cfd RL	202	const BIGNUM p, const BIGNUM q, const BIGNUM **g);
1258396d	203	int DSA_set0_pqg(DSA d, BIGNUM p, BIGNUM q, BIGNUM g);
fd809cfd RL	204	void DSA_get0_key(const DSA *d,
fd809cfd RL	205	const BIGNUM pub_key, const BIGNUM priv_key);
1258396d	206	int DSA_set0_key(DSA d, BIGNUM pub_key, BIGNUM *priv_key);
e6f35b57 DMSP	207	const BIGNUM DSA_get0_p(const DSA d);
	208	const BIGNUM DSA_get0_q(const DSA d);
	209	const BIGNUM DSA_get0_g(const DSA d);
	210	const BIGNUM DSA_get0_pub_key(const DSA d);
	211	const BIGNUM DSA_get0_priv_key(const DSA d);
1258396d MC	212	void DSA_clear_flags(DSA *d, int flags);
	213	int DSA_test_flags(const DSA *d, int flags);
	214	void DSA_set_flags(DSA *d, int flags);
f41ac0ee P	215	DEPRECATEDIN_3_0(ENGINE DSA_get0_engine(DSA d))
	216
	217	DEPRECATEDIN_3_0(DSA_METHOD DSA_meth_new(const char name, int flags))
	218	DEPRECATEDIN_3_0(void DSA_meth_free(DSA_METHOD *dsam))
	219	DEPRECATEDIN_3_0(DSA_METHOD DSA_meth_dup(const DSA_METHOD dsam))
	220	DEPRECATEDIN_3_0(const char DSA_meth_get0_name(const DSA_METHOD dsam))
	221	DEPRECATEDIN_3_0(int DSA_meth_set1_name(DSA_METHOD dsam, const char name))
	222	DEPRECATEDIN_3_0(int DSA_meth_get_flags(const DSA_METHOD *dsam))
	223	DEPRECATEDIN_3_0(int DSA_meth_set_flags(DSA_METHOD *dsam, int flags))
	224	DEPRECATEDIN_3_0(void DSA_meth_get0_app_data(const DSA_METHOD dsam))
	225	DEPRECATEDIN_3_0(int DSA_meth_set0_app_data(DSA_METHOD dsam, void app_data))
	226	DEPRECATEDIN_3_0(DSA_SIG (DSA_meth_get_sign(const DSA_METHOD *dsam))
	227	(const unsigned char , int, DSA ))
	228	DEPRECATEDIN_3_0(int DSA_meth_set_sign(DSA_METHOD *dsam,
	229	DSA_SIG (sign) (const unsigned char , int, DSA )))
	230	DEPRECATEDIN_3_0(int (DSA_meth_get_sign_setup(const DSA_METHOD dsam))
	231	(DSA , BN_CTX , BIGNUM , BIGNUM ))
	232	DEPRECATEDIN_3_0(int DSA_meth_set_sign_setup(DSA_METHOD *dsam,
	233	int (sign_setup) (DSA , BN_CTX , BIGNUM , BIGNUM *)))
	234	DEPRECATEDIN_3_0(int (DSA_meth_get_verify(const DSA_METHOD dsam))
	235	(const unsigned char , int, DSA_SIG , DSA *))
	236	DEPRECATEDIN_3_0(int DSA_meth_set_verify(DSA_METHOD *dsam,
	237	int (verify) (const unsigned char , int, DSA_SIG , DSA )))
	238	DEPRECATEDIN_3_0(int (DSA_meth_get_mod_exp(const DSA_METHOD dsam))
24bf6f3c	239	(DSA , BIGNUM , const BIGNUM , const BIGNUM , const BIGNUM *,
f41ac0ee P	240	const BIGNUM , const BIGNUM , BN_CTX , BN_MONT_CTX ))
f41ac0ee P	241	DEPRECATEDIN_3_0(int DSA_meth_set_mod_exp(DSA_METHOD *dsam,
24bf6f3c BL	242	int (mod_exp) (DSA , BIGNUM , const BIGNUM , const BIGNUM *,
24bf6f3c BL	243	const BIGNUM , const BIGNUM , const BIGNUM , BN_CTX ,
f41ac0ee P	244	BN_MONT_CTX *)))
f41ac0ee P	245	DEPRECATEDIN_3_0(int (DSA_meth_get_bn_mod_exp(const DSA_METHOD dsam))
24bf6f3c	246	(DSA , BIGNUM , const BIGNUM , const BIGNUM , const BIGNUM *,
f41ac0ee P	247	BN_CTX , BN_MONT_CTX ))
f41ac0ee P	248	DEPRECATEDIN_3_0(int DSA_meth_set_bn_mod_exp(DSA_METHOD *dsam,
24bf6f3c	249	int (bn_mod_exp) (DSA , BIGNUM , const BIGNUM , const BIGNUM *,
f41ac0ee P	250	const BIGNUM , BN_CTX , BN_MONT_CTX *)))
	251	DEPRECATEDIN_3_0(int (DSA_meth_get_init(const DSA_METHOD dsam))(DSA *))
	252	DEPRECATEDIN_3_0(int DSA_meth_set_init(DSA_METHOD dsam, int (init)(DSA *)))
	253	DEPRECATEDIN_3_0(int (DSA_meth_get_finish(const DSA_METHOD dsam)) (DSA *))
	254	DEPRECATEDIN_3_0(int DSA_meth_set_finish(DSA_METHOD dsam, int (finish) (DSA *)))
	255	DEPRECATEDIN_3_0(int (DSA_meth_get_paramgen(const DSA_METHOD dsam))
6e9fa57c	256	(DSA , int, const unsigned char , int, int , unsigned long ,
f41ac0ee P	257	BN_GENCB *))
f41ac0ee P	258	DEPRECATEDIN_3_0(int DSA_meth_set_paramgen(DSA_METHOD *dsam,
6e9fa57c	259	int (paramgen) (DSA , int, const unsigned char , int, int ,
f41ac0ee P	260	unsigned long , BN_GENCB )))
	261	DEPRECATEDIN_3_0(int (DSA_meth_get_keygen(const DSA_METHOD dsam)) (DSA *))
	262	DEPRECATEDIN_3_0(int DSA_meth_set_keygen(DSA_METHOD dsam, int (keygen) (DSA *)))
6e9fa57c	263
0cd0a820	264	# ifdef __cplusplus
d02b48c6	265	}
0cd0a820	266	# endif
3c27208f	267	# endif
d02b48c6	268	#endif