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