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

/*
 * Copyright 1995-2016 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
 */

/*
 * The DSS routines are based on patches supplied by
 * Steven Schoch <schoch@sheba.arc.nasa.gov>.
 */

#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/opensslconf.h>
# include <openssl/bn.h>
# if OPENSSL_API_COMPAT < 0x10100000L
#  include <openssl/dh.h>
# endif

# 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
/*
 * new with 0.9.7h; the built-in DSA implementation now uses constant time
 * modular exponentiation for secret exponents by default. This flag causes
 * the faster variable sliding window method to be used for all exponents.
 */
# define DSA_FLAG_NO_EXP_CONSTTIME       0x02

/*
 * 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(BIGNUM **pr, BIGNUM **ps, const DSA_SIG *sig);

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_security_bits(const DSA *d);
        /* next 4 return -1 on error */
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 50
/*
 * Primality test according to FIPS PUB 186[-1], Appendix 2.1: 50 rounds of
 * Rabin-Miller
 */
# 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, BIGNUM **p, BIGNUM **q, BIGNUM **g);
int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g);
void DSA_get0_key(const DSA *d, BIGNUM **pub_key, BIGNUM **priv_key);
int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key);
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(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 *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *,
         BN_CTX *, BN_MONT_CTX *);
int DSA_meth_set_mod_exp(DSA_METHOD *dsam,
    int (*mod_exp) (DSA *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *,
                    BIGNUM *, BN_CTX *, BN_MONT_CTX *));
int (*DSA_meth_get_bn_mod_exp(const DSA_METHOD *dsam))
    (DSA *, BIGNUM *, 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 *, 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 *));

/* BEGIN ERROR CODES */
/*
 * The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_DSA_strings(void);

/* Error codes for the DSA functions. */

/* Function codes. */
# define DSA_F_D2I_DSA_SIG                                110
# define DSA_F_DO_DSA_PRINT                               104
# define DSA_F_DSAPARAMS_PRINT                            100
# define DSA_F_DSAPARAMS_PRINT_FP                         101
# define DSA_F_DSA_BUILTIN_KEYGEN                         124
# define DSA_F_DSA_BUILTIN_PARAMGEN                       125
# define DSA_F_DSA_BUILTIN_PARAMGEN2                      126
# define DSA_F_DSA_DO_SIGN                                112
# define DSA_F_DSA_DO_VERIFY                              113
# define DSA_F_DSA_METH_DUP                               127
# define DSA_F_DSA_METH_NEW                               128
# define DSA_F_DSA_METH_SET1_NAME                         129
# define DSA_F_DSA_NEW_METHOD                             103
# define DSA_F_DSA_PARAM_DECODE                           119
# define DSA_F_DSA_PRINT_FP                               105
# define DSA_F_DSA_PRIV_DECODE                            115
# define DSA_F_DSA_PRIV_ENCODE                            116
# define DSA_F_DSA_PUB_DECODE                             117
# define DSA_F_DSA_PUB_ENCODE                             118
# define DSA_F_DSA_SIGN                                   106
# define DSA_F_DSA_SIGN_SETUP                             107
# define DSA_F_DSA_SIG_NEW                                109
# define DSA_F_DSA_SIG_PRINT                              123
# define DSA_F_DSA_VERIFY                                 108
# define DSA_F_I2D_DSA_SIG                                111
# define DSA_F_OLD_DSA_PRIV_DECODE                        122
# define DSA_F_PKEY_DSA_CTRL                              120
# define DSA_F_PKEY_DSA_KEYGEN                            121
# define DSA_F_SIG_CB                                     114

/* Reason codes. */
# define DSA_R_BAD_Q_VALUE                                102
# define DSA_R_BN_DECODE_ERROR                            108
# define DSA_R_BN_ERROR                                   109
# define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE                100
# define DSA_R_DECODE_ERROR                               104
# define DSA_R_INVALID_DIGEST_TYPE                        106
# define DSA_R_INVALID_PARAMETERS                         112
# define DSA_R_KEY_SIZE_TOO_SMALL                         111
# define DSA_R_MISSING_PARAMETERS                         101
# define DSA_R_MODULUS_TOO_LARGE                          103
# define DSA_R_NEED_NEW_SETUP_VALUES                      110
# define DSA_R_NO_PARAMETERS_SET                          107
# define DSA_R_PARAMETER_ENCODING_ERROR                   105
# define DSA_R_Q_NOT_PRIME                                113

# ifdef  __cplusplus
}
# endif
# endif

#endif
Commit	Line	Data
	1	/*
	2	* Copyright 1995-2016 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	/*
	11	* The DSS routines are based on patches supplied by
	12	* Steven Schoch <schoch@sheba.arc.nasa.gov>.
	13	*/
	14
	15	#ifndef HEADER_DSA_H
	16	# define HEADER_DSA_H
	17
	18	# include <openssl/opensslconf.h>
	19
	20	# ifndef OPENSSL_NO_DSA
	21	# ifdef __cplusplus
	22	extern "C" {
	23	# endif
	24	# include <openssl/e_os2.h>
	25	# include <openssl/bio.h>
	26	# include <openssl/crypto.h>
	27	# include <openssl/ossl_typ.h>
	28	# include <openssl/opensslconf.h>
	29	# include <openssl/bn.h>
	30	# if OPENSSL_API_COMPAT < 0x10100000L
	31	# include <openssl/dh.h>
	32	# endif
	33
	34	# ifndef OPENSSL_DSA_MAX_MODULUS_BITS
	35	# define OPENSSL_DSA_MAX_MODULUS_BITS 10000
	36	# endif
	37
	38	# define OPENSSL_DSA_FIPS_MIN_MODULUS_BITS 1024
	39
	40	# define DSA_FLAG_CACHE_MONT_P 0x01
	41	/*
	42	* new with 0.9.7h; the built-in DSA implementation now uses constant time
	43	* modular exponentiation for secret exponents by default. This flag causes
	44	* the faster variable sliding window method to be used for all exponents.
	45	*/
	46	# define DSA_FLAG_NO_EXP_CONSTTIME 0x02
	47
	48	/*
	49	* If this flag is set the DSA method is FIPS compliant and can be used in
	50	* FIPS mode. This is set in the validated module method. If an application
	51	* sets this flag in its own methods it is its responsibility to ensure the
	52	* result is compliant.
	53	*/
	54
	55	# define DSA_FLAG_FIPS_METHOD 0x0400
	56
	57	/*
	58	* If this flag is set the operations normally disabled in FIPS mode are
	59	* permitted it is then the applications responsibility to ensure that the
	60	* usage is compliant.
	61	*/
	62
	63	# define DSA_FLAG_NON_FIPS_ALLOW 0x0400
	64	# define DSA_FLAG_FIPS_CHECKED 0x0800
	65
	66	/* Already defined in ossl_typ.h */
	67	/* typedef struct dsa_st DSA; */
	68	/* typedef struct dsa_method DSA_METHOD; */
	69
	70	typedef struct DSA_SIG_st DSA_SIG;
	71
	72	# define d2i_DSAparams_fp(fp,x) (DSA )ASN1_d2i_fp((char (*)())DSA_new, \
	73	(char ()())d2i_DSAparams,(fp),(unsigned char **)(x))
	74	# define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \
	75	(unsigned char *)(x))
	76	# define d2i_DSAparams_bio(bp,x) ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSAparams,bp,x)
	77	# define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio_of_const(DSA,i2d_DSAparams,bp,x)
	78
	79	DSA DSAparams_dup(DSA x);
	80	DSA_SIG *DSA_SIG_new(void);
	81	void DSA_SIG_free(DSA_SIG *a);
	82	int i2d_DSA_SIG(const DSA_SIG a, unsigned char *pp);
	83	DSA_SIG d2i_DSA_SIG(DSA_SIG v, const unsigned char *pp, long length);
	84	void DSA_SIG_get0(BIGNUM pr, BIGNUM ps, const DSA_SIG *sig);
	85
	86	DSA_SIG DSA_do_sign(const unsigned char dgst, int dlen, DSA *dsa);
	87	int DSA_do_verify(const unsigned char *dgst, int dgst_len,
	88	DSA_SIG sig, DSA dsa);
	89
	90	const DSA_METHOD *DSA_OpenSSL(void);
	91
	92	void DSA_set_default_method(const DSA_METHOD *);
	93	const DSA_METHOD *DSA_get_default_method(void);
	94	int DSA_set_method(DSA dsa, const DSA_METHOD );
	95	const DSA_METHOD DSA_get_method(DSA d);
	96
	97	DSA *DSA_new(void);
	98	DSA DSA_new_method(ENGINE engine);
	99	void DSA_free(DSA *r);
	100	/* "up" the DSA object's reference count */
	101	int DSA_up_ref(DSA *r);
	102	int DSA_size(const DSA *);
	103	int DSA_security_bits(const DSA *d);
	104	/* next 4 return -1 on error */
	105	int DSA_sign_setup(DSA dsa, BN_CTX ctx_in, BIGNUM kinvp, BIGNUM rp);
	106	int DSA_sign(int type, const unsigned char *dgst, int dlen,
	107	unsigned char sig, unsigned int siglen, DSA *dsa);
	108	int DSA_verify(int type, const unsigned char *dgst, int dgst_len,
	109	const unsigned char sigbuf, int siglen, DSA dsa);
	110	#define DSA_get_ex_new_index(l, p, newf, dupf, freef) \
	111	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DSA, l, p, newf, dupf, freef)
	112	int DSA_set_ex_data(DSA d, int idx, void arg);
	113	void DSA_get_ex_data(DSA d, int idx);
	114
	115	DSA d2i_DSAPublicKey(DSA a, const unsigned char *pp, long length);
	116	DSA d2i_DSAPrivateKey(DSA a, const unsigned char *pp, long length);
	117	DSA d2i_DSAparams(DSA a, const unsigned char *pp, long length);
	118
	119	/* Deprecated version */
	120	DEPRECATEDIN_0_9_8(DSA *DSA_generate_parameters(int bits,
	121	unsigned char *seed,
	122	int seed_len,
	123	int *counter_ret,
	124	unsigned long *h_ret, void
	125	(*callback) (int, int,
	126	void *),
	127	void *cb_arg))
	128
	129	/* New version */
	130	int DSA_generate_parameters_ex(DSA *dsa, int bits,
	131	const unsigned char *seed, int seed_len,
	132	int counter_ret, unsigned long h_ret,
	133	BN_GENCB *cb);
	134
	135	int DSA_generate_key(DSA *a);
	136	int i2d_DSAPublicKey(const DSA a, unsigned char *pp);
	137	int i2d_DSAPrivateKey(const DSA a, unsigned char *pp);
	138	int i2d_DSAparams(const DSA a, unsigned char *pp);
	139
	140	int DSAparams_print(BIO bp, const DSA x);
	141	int DSA_print(BIO bp, const DSA x, int off);
	142	# ifndef OPENSSL_NO_STDIO
	143	int DSAparams_print_fp(FILE fp, const DSA x);
	144	int DSA_print_fp(FILE bp, const DSA x, int off);
	145	# endif
	146
	147	# define DSS_prime_checks 50
	148	/*
	149	* Primality test according to FIPS PUB 186[-1], Appendix 2.1: 50 rounds of
	150	* Rabin-Miller
	151	*/
	152	# define DSA_is_prime(n, callback, cb_arg) \
	153	BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg)
	154
	155	# ifndef OPENSSL_NO_DH
	156	/*
	157	* Convert DSA structure (key or just parameters) into DH structure (be
	158	* careful to avoid small subgroup attacks when using this!)
	159	*/
	160	DH DSA_dup_DH(const DSA r);
	161	# endif
	162
	163	# define EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits) \
	164	EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
	165	EVP_PKEY_CTRL_DSA_PARAMGEN_BITS, nbits, NULL)
	166
	167	# define EVP_PKEY_CTRL_DSA_PARAMGEN_BITS (EVP_PKEY_ALG_CTRL + 1)
	168	# define EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS (EVP_PKEY_ALG_CTRL + 2)
	169	# define EVP_PKEY_CTRL_DSA_PARAMGEN_MD (EVP_PKEY_ALG_CTRL + 3)
	170
	171	void DSA_get0_pqg(const DSA d, BIGNUM p, BIGNUM q, BIGNUM *g);
	172	int DSA_set0_pqg(DSA d, BIGNUM p, BIGNUM q, BIGNUM g);
	173	void DSA_get0_key(const DSA d, BIGNUM pub_key, BIGNUM *priv_key);
	174	int DSA_set0_key(DSA d, BIGNUM pub_key, BIGNUM *priv_key);
	175	void DSA_clear_flags(DSA *d, int flags);
	176	int DSA_test_flags(const DSA *d, int flags);
	177	void DSA_set_flags(DSA *d, int flags);
	178	ENGINE DSA_get0_engine(DSA d);
	179
	180	DSA_METHOD DSA_meth_new(const char name, int flags);
	181	void DSA_meth_free(DSA_METHOD *dsam);
	182	DSA_METHOD DSA_meth_dup(const DSA_METHOD dsam);
	183	const char DSA_meth_get0_name(const DSA_METHOD dsam);
	184	int DSA_meth_set1_name(DSA_METHOD dsam, const char name);
	185	int DSA_meth_get_flags(DSA_METHOD *dsam);
	186	int DSA_meth_set_flags(DSA_METHOD *dsam, int flags);
	187	void DSA_meth_get0_app_data(const DSA_METHOD dsam);
	188	int DSA_meth_set0_app_data(DSA_METHOD dsam, void app_data);
	189	DSA_SIG (DSA_meth_get_sign(const DSA_METHOD *dsam))
	190	(const unsigned char , int, DSA );
	191	int DSA_meth_set_sign(DSA_METHOD *dsam,
	192	DSA_SIG (sign) (const unsigned char , int, DSA ));
	193	int (DSA_meth_get_sign_setup(const DSA_METHOD dsam))
	194	(DSA , BN_CTX , BIGNUM , BIGNUM );
	195	int DSA_meth_set_sign_setup(DSA_METHOD *dsam,
	196	int (sign_setup) (DSA , BN_CTX , BIGNUM , BIGNUM *));
	197	int (DSA_meth_get_verify(const DSA_METHOD dsam))
	198	(const unsigned char , int , DSA_SIG , DSA *);
	199	int DSA_meth_set_verify(DSA_METHOD *dsam,
	200	int (verify) (const unsigned char , int, DSA_SIG , DSA ));
	201	int (DSA_meth_get_mod_exp(const DSA_METHOD dsam))
	202	(DSA , BIGNUM , BIGNUM , BIGNUM , BIGNUM , BIGNUM , BIGNUM *,
	203	BN_CTX , BN_MONT_CTX );
	204	int DSA_meth_set_mod_exp(DSA_METHOD *dsam,
	205	int (mod_exp) (DSA , BIGNUM , BIGNUM , BIGNUM , BIGNUM , BIGNUM *,
	206	BIGNUM , BN_CTX , BN_MONT_CTX *));
	207	int (DSA_meth_get_bn_mod_exp(const DSA_METHOD dsam))
	208	(DSA , BIGNUM , BIGNUM , const BIGNUM , const BIGNUM , BN_CTX ,
	209	BN_MONT_CTX *);
	210	int DSA_meth_set_bn_mod_exp(DSA_METHOD *dsam,
	211	int (bn_mod_exp) (DSA , BIGNUM , BIGNUM , const BIGNUM *,
	212	const BIGNUM , BN_CTX , BN_MONT_CTX *));
	213	int (DSA_meth_get_init(const DSA_METHOD dsam))(DSA *);
	214	int DSA_meth_set_init(DSA_METHOD dsam, int (init)(DSA *));
	215	int (DSA_meth_get_finish(const DSA_METHOD dsam)) (DSA *);
	216	int DSA_meth_set_finish(DSA_METHOD dsam, int (finish) (DSA *));
	217	int (DSA_meth_get_paramgen(const DSA_METHOD dsam))
	218	(DSA , int, const unsigned char , int, int , unsigned long ,
	219	BN_GENCB *);
	220	int DSA_meth_set_paramgen(DSA_METHOD *dsam,
	221	int (paramgen) (DSA , int, const unsigned char , int, int ,
	222	unsigned long , BN_GENCB ));
	223	int (DSA_meth_get_keygen(const DSA_METHOD dsam)) (DSA *);
	224	int DSA_meth_set_keygen(DSA_METHOD dsam, int (keygen) (DSA *));
	225
	226	/* BEGIN ERROR CODES */
	227	/*
	228	* The following lines are auto generated by the script mkerr.pl. Any changes
	229	* made after this point may be overwritten when the script is next run.
	230	*/
	231	void ERR_load_DSA_strings(void);
	232
	233	/* Error codes for the DSA functions. */
	234
	235	/* Function codes. */
	236	# define DSA_F_D2I_DSA_SIG 110
	237	# define DSA_F_DO_DSA_PRINT 104
	238	# define DSA_F_DSAPARAMS_PRINT 100
	239	# define DSA_F_DSAPARAMS_PRINT_FP 101
	240	# define DSA_F_DSA_BUILTIN_KEYGEN 124
	241	# define DSA_F_DSA_BUILTIN_PARAMGEN 125
	242	# define DSA_F_DSA_BUILTIN_PARAMGEN2 126
	243	# define DSA_F_DSA_DO_SIGN 112
	244	# define DSA_F_DSA_DO_VERIFY 113
	245	# define DSA_F_DSA_METH_DUP 127
	246	# define DSA_F_DSA_METH_NEW 128
	247	# define DSA_F_DSA_METH_SET1_NAME 129
	248	# define DSA_F_DSA_NEW_METHOD 103
	249	# define DSA_F_DSA_PARAM_DECODE 119
	250	# define DSA_F_DSA_PRINT_FP 105
	251	# define DSA_F_DSA_PRIV_DECODE 115
	252	# define DSA_F_DSA_PRIV_ENCODE 116
	253	# define DSA_F_DSA_PUB_DECODE 117
	254	# define DSA_F_DSA_PUB_ENCODE 118
	255	# define DSA_F_DSA_SIGN 106
	256	# define DSA_F_DSA_SIGN_SETUP 107
	257	# define DSA_F_DSA_SIG_NEW 109
	258	# define DSA_F_DSA_SIG_PRINT 123
	259	# define DSA_F_DSA_VERIFY 108
	260	# define DSA_F_I2D_DSA_SIG 111
	261	# define DSA_F_OLD_DSA_PRIV_DECODE 122
	262	# define DSA_F_PKEY_DSA_CTRL 120
	263	# define DSA_F_PKEY_DSA_KEYGEN 121
	264	# define DSA_F_SIG_CB 114
	265
	266	/* Reason codes. */
	267	# define DSA_R_BAD_Q_VALUE 102
	268	# define DSA_R_BN_DECODE_ERROR 108
	269	# define DSA_R_BN_ERROR 109
	270	# define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 100
	271	# define DSA_R_DECODE_ERROR 104
	272	# define DSA_R_INVALID_DIGEST_TYPE 106
	273	# define DSA_R_INVALID_PARAMETERS 112
	274	# define DSA_R_KEY_SIZE_TOO_SMALL 111
	275	# define DSA_R_MISSING_PARAMETERS 101
	276	# define DSA_R_MODULUS_TOO_LARGE 103
	277	# define DSA_R_NEED_NEW_SETUP_VALUES 110
	278	# define DSA_R_NO_PARAMETERS_SET 107
	279	# define DSA_R_PARAMETER_ENCODING_ERROR 105
	280	# define DSA_R_Q_NOT_PRIME 113
	281
	282	# ifdef __cplusplus
	283	}
	284	# endif
	285	# endif
	286
	287	#endif