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/*
* 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_RSA_H
# define HEADER_RSA_H
# include <openssl/opensslconf.h>
# ifndef OPENSSL_NO_RSA
# include <openssl/asn1.h>
# include <openssl/bio.h>
# include <openssl/crypto.h>
# include <openssl/ossl_typ.h>
# if OPENSSL_API_COMPAT < 0x10100000L
# include <openssl/bn.h>
# endif
# include <openssl/rsaerr.h>
# ifdef __cplusplus
extern "C" {
# endif
/* The types RSA and RSA_METHOD are defined in ossl_typ.h */
# ifndef OPENSSL_RSA_MAX_MODULUS_BITS
# define OPENSSL_RSA_MAX_MODULUS_BITS 16384
# endif
# define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 1024
# ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
# define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
# endif
# ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
/* exponent limit enforced for "large" modulus only */
# define OPENSSL_RSA_MAX_PUBEXP_BITS 64
# endif
# define RSA_3 0x3L
# define RSA_F4 0x10001L
/* based on RFC 8017 appendix A.1.2 */
# define RSA_ASN1_VERSION_DEFAULT 0
# define RSA_ASN1_VERSION_MULTI 1
# define RSA_DEFAULT_PRIME_NUM 2
# define RSA_METHOD_FLAG_NO_CHECK 0x0001/* don't check pub/private
* match */
# define RSA_FLAG_CACHE_PUBLIC 0x0002
# define RSA_FLAG_CACHE_PRIVATE 0x0004
# define RSA_FLAG_BLINDING 0x0008
# define RSA_FLAG_THREAD_SAFE 0x0010
/*
* This flag means the private key operations will be handled by rsa_mod_exp
* and that they do not depend on the private key components being present:
* for example a key stored in external hardware. Without this flag
* bn_mod_exp gets called when private key components are absent.
*/
# define RSA_FLAG_EXT_PKEY 0x0020
/*
* new with 0.9.6j and 0.9.7b; the built-in
* RSA implementation now uses blinding by
* default (ignoring RSA_FLAG_BLINDING),
* but other engines might not need it
*/
# define RSA_FLAG_NO_BLINDING 0x0080
# if OPENSSL_API_COMPAT < 0x10100000L
/*
* Does nothing. Previously this switched off constant time behaviour.
*/
# define RSA_FLAG_NO_CONSTTIME 0x0000
# endif
# if OPENSSL_API_COMPAT < 0x00908000L
/* deprecated name for the flag*/
/*
* new with 0.9.7h; the built-in RSA
* 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 RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME
# endif
# define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_RSA_PADDING, pad, NULL)
# define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \
RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad)
# define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL)
/* Salt length matches digest */
# define RSA_PSS_SALTLEN_DIGEST -1
/* Verify only: auto detect salt length */
# define RSA_PSS_SALTLEN_AUTO -2
/* Set salt length to maximum possible */
# define RSA_PSS_SALTLEN_MAX -3
/* Old compatible max salt length for sign only */
# define RSA_PSS_SALTLEN_MAX_SIGN -2
# define EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(ctx, len) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \
EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL)
# define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, 0, plen)
# define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
# define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
# define EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, primes) \
RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES, primes, NULL)
# define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \
RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md))
# define EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(ctx, md) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \
EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md))
# define EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)(md))
# define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \
RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)(pmd))
# define EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)(pmd))
# define EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)(l))
# define EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)(l))
# define EVP_PKEY_CTX_set_rsa_pss_keygen_md(ctx, md) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, \
EVP_PKEY_OP_KEYGEN, EVP_PKEY_CTRL_MD, \
0, (void *)(md))
# define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1)
# define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2)
# define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3)
# define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
# define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5)
# define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6)
# define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7)
# define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8)
# define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9)
# define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10)
# define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11)
# define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
# define EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES (EVP_PKEY_ALG_CTRL + 13)
# define RSA_PKCS1_PADDING 1
# define RSA_SSLV23_PADDING 2
# define RSA_NO_PADDING 3
# define RSA_PKCS1_OAEP_PADDING 4
# define RSA_X931_PADDING 5
/* EVP_PKEY_ only */
# define RSA_PKCS1_PSS_PADDING 6
# define RSA_PKCS1_PADDING_SIZE 11
# define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
# define RSA_get_app_data(s) RSA_get_ex_data(s,0)
RSA *RSA_new(void);
RSA *RSA_new_method(ENGINE *engine);
int RSA_bits(const RSA *rsa);
int RSA_size(const RSA *rsa);
int RSA_security_bits(const RSA *rsa);
int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
int RSA_set0_crt_params(RSA *r,BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
int RSA_set0_multi_prime_params(RSA *r, BIGNUM *primes[], BIGNUM *exps[],
BIGNUM *coeffs[], int pnum);
void RSA_get0_key(const RSA *r,
const BIGNUM **n, const BIGNUM **e, const BIGNUM **d);
void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
int RSA_get_multi_prime_extra_count(const RSA *r);
int RSA_get0_multi_prime_factors(const RSA *r, const BIGNUM *primes[]);
void RSA_get0_crt_params(const RSA *r,
const BIGNUM **dmp1, const BIGNUM **dmq1,
const BIGNUM **iqmp);
int RSA_get0_multi_prime_crt_params(const RSA *r, const BIGNUM *exps[],
const BIGNUM *coeffs[]);
const BIGNUM *RSA_get0_n(const RSA *d);
const BIGNUM *RSA_get0_e(const RSA *d);
const BIGNUM *RSA_get0_d(const RSA *d);
const BIGNUM *RSA_get0_p(const RSA *d);
const BIGNUM *RSA_get0_q(const RSA *d);
const BIGNUM *RSA_get0_dmp1(const RSA *r);
const BIGNUM *RSA_get0_dmq1(const RSA *r);
const BIGNUM *RSA_get0_iqmp(const RSA *r);
void RSA_clear_flags(RSA *r, int flags);
int RSA_test_flags(const RSA *r, int flags);
void RSA_set_flags(RSA *r, int flags);
int RSA_get_version(RSA *r);
ENGINE *RSA_get0_engine(const RSA *r);
/* Deprecated version */
DEPRECATEDIN_0_9_8(RSA *RSA_generate_key(int bits, unsigned long e, void
(*callback) (int, int, void *),
void *cb_arg))
/* New version */
int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
/* Multi-prime version */
int RSA_generate_multi_prime_key(RSA *rsa, int bits, int primes,
BIGNUM *e, BN_GENCB *cb);
int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1,
BIGNUM *q2, const BIGNUM *Xp1, const BIGNUM *Xp2,
const BIGNUM *Xp, const BIGNUM *Xq1, const BIGNUM *Xq2,
const BIGNUM *Xq, const BIGNUM *e, BN_GENCB *cb);
int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e,
BN_GENCB *cb);
int RSA_check_key(const RSA *);
int RSA_check_key_ex(const RSA *, BN_GENCB *cb);
/* next 4 return -1 on error */
int RSA_public_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_private_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_public_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_private_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
void RSA_free(RSA *r);
/* "up" the RSA object's reference count */
int RSA_up_ref(RSA *r);
int RSA_flags(const RSA *r);
void RSA_set_default_method(const RSA_METHOD *meth);
const RSA_METHOD *RSA_get_default_method(void);
const RSA_METHOD *RSA_null_method(void);
const RSA_METHOD *RSA_get_method(const RSA *rsa);
int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
/* these are the actual RSA functions */
const RSA_METHOD *RSA_PKCS1_OpenSSL(void);
int RSA_pkey_ctx_ctrl(EVP_PKEY_CTX *ctx, int optype, int cmd, int p1, void *p2);
DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
typedef struct rsa_pss_params_st {
X509_ALGOR *hashAlgorithm;
X509_ALGOR *maskGenAlgorithm;
ASN1_INTEGER *saltLength;
ASN1_INTEGER *trailerField;
/* Decoded hash algorithm from maskGenAlgorithm */
X509_ALGOR *maskHash;
} RSA_PSS_PARAMS;
DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
typedef struct rsa_oaep_params_st {
X509_ALGOR *hashFunc;
X509_ALGOR *maskGenFunc;
X509_ALGOR *pSourceFunc;
/* Decoded hash algorithm from maskGenFunc */
X509_ALGOR *maskHash;
} RSA_OAEP_PARAMS;
DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
# ifndef OPENSSL_NO_STDIO
int RSA_print_fp(FILE *fp, const RSA *r, int offset);
# endif
int RSA_print(BIO *bp, const RSA *r, int offset);
/*
* The following 2 functions sign and verify a X509_SIG ASN1 object inside
* PKCS#1 padded RSA encryption
*/
int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen, RSA *rsa);
int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
const unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
/*
* The following 2 function sign and verify a ASN1_OCTET_STRING object inside
* PKCS#1 padded RSA encryption
*/
int RSA_sign_ASN1_OCTET_STRING(int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen,
RSA *rsa);
int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m,
unsigned int m_length, unsigned char *sigbuf,
unsigned int siglen, RSA *rsa);
int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
void RSA_blinding_off(RSA *rsa);
BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
const unsigned char *f, int fl);
int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
const unsigned char *f, int fl,
int rsa_len);
int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
const unsigned char *f, int fl);
int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
const unsigned char *f, int fl,
int rsa_len);
int PKCS1_MGF1(unsigned char *mask, long len, const unsigned char *seed,
long seedlen, const EVP_MD *dgst);
int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
const unsigned char *f, int fl,
const unsigned char *p, int pl);
int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
const unsigned char *f, int fl, int rsa_len,
const unsigned char *p, int pl);
int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
const unsigned char *from, int flen,
const unsigned char *param, int plen,
const EVP_MD *md, const EVP_MD *mgf1md);
int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
const unsigned char *from, int flen,
int num, const unsigned char *param,
int plen, const EVP_MD *md,
const EVP_MD *mgf1md);
int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
const unsigned char *f, int fl);
int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
const unsigned char *f, int fl, int rsa_len);
int RSA_padding_add_none(unsigned char *to, int tlen, const unsigned char *f,
int fl);
int RSA_padding_check_none(unsigned char *to, int tlen,
const unsigned char *f, int fl, int rsa_len);
int RSA_padding_add_X931(unsigned char *to, int tlen, const unsigned char *f,
int fl);
int RSA_padding_check_X931(unsigned char *to, int tlen,
const unsigned char *f, int fl, int rsa_len);
int RSA_X931_hash_id(int nid);
int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
const EVP_MD *Hash, const unsigned char *EM,
int sLen);
int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
const unsigned char *mHash, const EVP_MD *Hash,
int sLen);
int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
const EVP_MD *Hash, const EVP_MD *mgf1Hash,
const unsigned char *EM, int sLen);
int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
const unsigned char *mHash,
const EVP_MD *Hash, const EVP_MD *mgf1Hash,
int sLen);
#define RSA_get_ex_new_index(l, p, newf, dupf, freef) \
CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, l, p, newf, dupf, freef)
int RSA_set_ex_data(RSA *r, int idx, void *arg);
void *RSA_get_ex_data(const RSA *r, int idx);
RSA *RSAPublicKey_dup(RSA *rsa);
RSA *RSAPrivateKey_dup(RSA *rsa);
/*
* If this flag is set the RSA 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 RSA_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 RSA_FLAG_NON_FIPS_ALLOW 0x0400
/*
* Application has decided PRNG is good enough to generate a key: don't
* check.
*/
# define RSA_FLAG_CHECKED 0x0800
RSA_METHOD *RSA_meth_new(const char *name, int flags);
void RSA_meth_free(RSA_METHOD *meth);
RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth);
const char *RSA_meth_get0_name(const RSA_METHOD *meth);
int RSA_meth_set1_name(RSA_METHOD *meth, const char *name);
int RSA_meth_get_flags(const RSA_METHOD *meth);
int RSA_meth_set_flags(RSA_METHOD *meth, int flags);
void *RSA_meth_get0_app_data(const RSA_METHOD *meth);
int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data);
int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))
(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_meth_set_pub_enc(RSA_METHOD *rsa,
int (*pub_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,
int padding));
int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))
(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_meth_set_pub_dec(RSA_METHOD *rsa,
int (*pub_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,
int padding));
int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))
(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_meth_set_priv_enc(RSA_METHOD *rsa,
int (*priv_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,
int padding));
int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))
(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_meth_set_priv_dec(RSA_METHOD *rsa,
int (*priv_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,
int padding));
int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))
(BIGNUM *r0, const BIGNUM *i, RSA *rsa, BN_CTX *ctx);
int RSA_meth_set_mod_exp(RSA_METHOD *rsa,
int (*mod_exp) (BIGNUM *r0, const BIGNUM *i, RSA *rsa,
BN_CTX *ctx));
int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))
(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
int RSA_meth_set_bn_mod_exp(RSA_METHOD *rsa,
int (*bn_mod_exp) (BIGNUM *r,
const BIGNUM *a,
const BIGNUM *p,
const BIGNUM *m,
BN_CTX *ctx,
BN_MONT_CTX *m_ctx));
int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa);
int RSA_meth_set_init(RSA_METHOD *rsa, int (*init) (RSA *rsa));
int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa);
int RSA_meth_set_finish(RSA_METHOD *rsa, int (*finish) (RSA *rsa));
int (*RSA_meth_get_sign(const RSA_METHOD *meth))
(int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen,
const RSA *rsa);
int RSA_meth_set_sign(RSA_METHOD *rsa,
int (*sign) (int type, const unsigned char *m,
unsigned int m_length,
unsigned char *sigret, unsigned int *siglen,
const RSA *rsa));
int (*RSA_meth_get_verify(const RSA_METHOD *meth))
(int dtype, const unsigned char *m,
unsigned int m_length, const unsigned char *sigbuf,
unsigned int siglen, const RSA *rsa);
int RSA_meth_set_verify(RSA_METHOD *rsa,
int (*verify) (int dtype, const unsigned char *m,
unsigned int m_length,
const unsigned char *sigbuf,
unsigned int siglen, const RSA *rsa));
int (*RSA_meth_get_keygen(const RSA_METHOD *meth))
(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
int RSA_meth_set_keygen(RSA_METHOD *rsa,
int (*keygen) (RSA *rsa, int bits, BIGNUM *e,
BN_GENCB *cb));
int (*RSA_meth_get_multi_prime_keygen(const RSA_METHOD *meth))
(RSA *rsa, int bits, int primes, BIGNUM *e, BN_GENCB *cb);
int RSA_meth_set_multi_prime_keygen(RSA_METHOD *meth,
int (*keygen) (RSA *rsa, int bits,
int primes, BIGNUM *e,
BN_GENCB *cb));
# ifdef __cplusplus
}
# endif
# endif
#endif
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