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Edit File : dsa.h \| Size : 9.87 KB
/* * 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 OPENSSL_DSA_FIPS_MIN_MODULUS_BITS_GEN 2048 # 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_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); 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 Back

Edit File : dsa.h | Size : 9.87 KB

/*
 * 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 OPENSSL_DSA_FIPS_MIN_MODULUS_BITS_GEN 2048

# 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_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);
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

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