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Make the RSA_METHOD structure opaque

Move rsa_meth_st away from public headers.
Add RSA_METHOD creator/destructor functions.
Add RSA_METHOD accessor/writer functions.
Adapt all other source to use the creator, destructor, accessors and writers.

Reviewed-by: Matt Caswell <matt@openssl.org>
master
Richard Levitte 6 years ago
parent
commit
b72c912137
7 changed files with 416 additions and 74 deletions
  1. +2
    -2
      crypto/rsa/Makefile.in
  2. +1
    -1
      crypto/rsa/build.info
  3. +45
    -0
      crypto/rsa/rsa_locl.h
  4. +257
    -0
      crypto/rsa/rsa_meth.c
  5. +1
    -1
      crypto/rsa/rsa_null.c
  6. +28
    -25
      engines/e_dasync.c
  7. +82
    -45
      include/openssl/rsa.h

+ 2
- 2
crypto/rsa/Makefile.in View File

@ -18,11 +18,11 @@ LIB=$(TOP)/libcrypto.a
LIBSRC= rsa_ossl.c rsa_gen.c rsa_lib.c rsa_sign.c rsa_saos.c rsa_err.c \
rsa_pk1.c rsa_ssl.c rsa_none.c rsa_oaep.c rsa_chk.c rsa_null.c \
rsa_pss.c rsa_x931.c rsa_asn1.c rsa_depr.c rsa_ameth.c rsa_prn.c \
rsa_pmeth.c rsa_crpt.c rsa_x931g.c
rsa_pmeth.c rsa_crpt.c rsa_x931g.c rsa_meth.c
LIBOBJ= rsa_ossl.o rsa_gen.o rsa_lib.o rsa_sign.o rsa_saos.o rsa_err.o \
rsa_pk1.o rsa_ssl.o rsa_none.o rsa_oaep.o rsa_chk.o rsa_null.o \
rsa_pss.o rsa_x931.o rsa_asn1.o rsa_depr.o rsa_ameth.o rsa_prn.o \
rsa_pmeth.o rsa_crpt.o rsa_x931g.o
rsa_pmeth.o rsa_crpt.o rsa_x931g.o rsa_meth.o
SRC= $(LIBSRC)


+ 1
- 1
crypto/rsa/build.info View File

@ -3,4 +3,4 @@ SOURCE[../../libcrypto]=\
rsa_ossl.c rsa_gen.c rsa_lib.c rsa_sign.c rsa_saos.c rsa_err.c \
rsa_pk1.c rsa_ssl.c rsa_none.c rsa_oaep.c rsa_chk.c rsa_null.c \
rsa_pss.c rsa_x931.c rsa_asn1.c rsa_depr.c rsa_ameth.c rsa_prn.c \
rsa_pmeth.c rsa_crpt.c rsa_x931g.c
rsa_pmeth.c rsa_crpt.c rsa_x931g.c rsa_meth.c

+ 45
- 0
crypto/rsa/rsa_locl.h View File

@ -46,6 +46,51 @@ struct rsa_st {
CRYPTO_RWLOCK *lock;
};
struct rsa_meth_st {
char *name;
int (*rsa_pub_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_pub_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_priv_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_priv_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
/* Can be null */
int (*rsa_mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
/* Can be null */
int (*bn_mod_exp) (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
/* called at new */
int (*init) (RSA *rsa);
/* called at free */
int (*finish) (RSA *rsa);
/* RSA_METHOD_FLAG_* things */
int flags;
/* may be needed! */
char *app_data;
/*
* New sign and verify functions: some libraries don't allow arbitrary
* data to be signed/verified: this allows them to be used. Note: for
* this to work the RSA_public_decrypt() and RSA_private_encrypt() should
* *NOT* be used RSA_sign(), RSA_verify() should be used instead.
*/
int (*rsa_sign) (int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen,
const RSA *rsa);
int (*rsa_verify) (int dtype, const unsigned char *m,
unsigned int m_length, const unsigned char *sigbuf,
unsigned int siglen, const RSA *rsa);
/*
* If this callback is NULL, the builtin software RSA key-gen will be
* used. This is for behavioural compatibility whilst the code gets
* rewired, but one day it would be nice to assume there are no such
* things as "builtin software" implementations.
*/
int (*rsa_keygen) (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
};
extern int int_rsa_verify(int dtype, const unsigned char *m,
unsigned int m_len, unsigned char *rm,
size_t *prm_len, const unsigned char *sigbuf,


+ 257
- 0
crypto/rsa/rsa_meth.c View File

@ -0,0 +1,257 @@
/*
* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL licenses, (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* https://www.openssl.org/source/license.html
* or in the file LICENSE in the source distribution.
*/
#include <string.h>
#include "rsa_locl.h"
RSA_METHOD *RSA_meth_new(const char *name, int flags)
{
RSA_METHOD *meth = OPENSSL_zalloc(sizeof(RSA_METHOD));
if (meth != NULL) {
meth->name = OPENSSL_strdup(name);
meth->flags = flags;
}
return meth;
}
void RSA_meth_free(RSA_METHOD *meth)
{
if (meth != NULL) {
if (meth->name != NULL)
OPENSSL_free(meth->name);
OPENSSL_free(meth);
}
}
RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth)
{
RSA_METHOD *ret;
ret = OPENSSL_malloc(sizeof(RSA_METHOD));
if (ret != NULL) {
memcpy(ret, meth, sizeof(*meth));
ret->name = OPENSSL_strdup(meth->name);
}
return ret;
}
const char *RSA_meth_get0_name(const RSA_METHOD *meth)
{
return meth->name;
}
int RSA_meth_set1_name(RSA_METHOD *meth, const char *name)
{
OPENSSL_free(meth->name);
meth->name = OPENSSL_strdup(name);
return meth->name != NULL;
}
int RSA_meth_get_flags(RSA_METHOD *meth)
{
return meth->flags;
}
int RSA_meth_set_flags(RSA_METHOD *meth, int flags)
{
meth->flags = flags;
return 1;
}
void *RSA_meth_get0_app_data(const RSA_METHOD *meth)
{
return meth->app_data;
}
int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data)
{
meth->app_data = app_data;
return 1;
}
int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))
(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
return meth->rsa_pub_enc;
}
int RSA_meth_set_pub_enc(RSA_METHOD *meth,
int (*pub_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,
int padding))
{
meth->rsa_pub_enc = pub_enc;
return 1;
}
int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))
(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
return meth->rsa_pub_dec;
}
int RSA_meth_set_pub_dec(RSA_METHOD *meth,
int (*pub_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,
int padding))
{
meth->rsa_pub_dec = pub_dec;
return 1;
}
int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))
(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
return meth->rsa_priv_enc;
}
int RSA_meth_set_priv_enc(RSA_METHOD *meth,
int (*priv_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,
int padding))
{
meth->rsa_priv_enc = priv_enc;
return 1;
}
int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))
(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
return meth->rsa_priv_dec;
}
int RSA_meth_set_priv_dec(RSA_METHOD *meth,
int (*priv_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa,
int padding))
{
meth->rsa_priv_dec = priv_dec;
return 1;
}
/* Can be null */
int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))
(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
{
return meth->rsa_mod_exp;
}
int RSA_meth_set_mod_exp(RSA_METHOD *meth,
int (*mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa,
BN_CTX *ctx))
{
meth->rsa_mod_exp = mod_exp;
return 1;
}
/* Can be null */
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)
{
return meth->bn_mod_exp;
}
int RSA_meth_set_bn_mod_exp(RSA_METHOD *meth,
int (*bn_mod_exp) (BIGNUM *r,
const BIGNUM *a,
const BIGNUM *p,
const BIGNUM *m,
BN_CTX *ctx,
BN_MONT_CTX *m_ctx))
{
meth->bn_mod_exp = bn_mod_exp;
return 1;
}
/* called at new */
int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa)
{
return meth->init;
}
int RSA_meth_set_init(RSA_METHOD *meth, int (*init) (RSA *rsa))
{
meth->init = init;
return 1;
}
/* called at free */
int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa)
{
return meth->finish;
}
int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish) (RSA *rsa))
{
meth->finish = finish;
return 1;
}
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)
{
return meth->rsa_sign;
}
int RSA_meth_set_sign(RSA_METHOD *meth,
int (*sign) (int type, const unsigned char *m,
unsigned int m_length,
unsigned char *sigret, unsigned int *siglen,
const RSA *rsa))
{
meth->rsa_sign = sign;
return 1;
}
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)
{
return meth->rsa_verify;
}
int RSA_meth_set_verify(RSA_METHOD *meth,
int (*verify) (int dtype, const unsigned char *m,
unsigned int m_length,
const unsigned char *sigbuf,
unsigned int siglen, const RSA *rsa))
{
meth->rsa_verify = verify;
return 1;
}
int (*RSA_meth_get_keygen(const RSA_METHOD *meth))
(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb)
{
return meth->rsa_keygen;
}
int RSA_meth_set_keygen(RSA_METHOD *meth,
int (*keygen) (RSA *rsa, int bits, BIGNUM *e,
BN_GENCB *cb))
{
meth->rsa_keygen = keygen;
return 1;
}

+ 1
- 1
crypto/rsa/rsa_null.c View File

@ -59,8 +59,8 @@
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
#include "rsa_locl.h"
/*
* This is a dummy RSA implementation that just returns errors when called.


+ 28
- 25
engines/e_dasync.c View File

@ -149,23 +149,7 @@ static int dasync_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa,
static int dasync_rsa_init(RSA *rsa);
static int dasync_rsa_finish(RSA *rsa);
static RSA_METHOD dasync_rsa_method = {
"Dummy Async RSA method",
dasync_pub_enc, /* pub_enc */
dasync_pub_dec, /* pub_dec */
dasync_rsa_priv_enc, /* priv_enc */
dasync_rsa_priv_dec, /* priv_dec */
dasync_rsa_mod_exp, /* rsa_mod_exp */
BN_mod_exp_mont, /* bn_mod_exp */
dasync_rsa_init, /* init */
dasync_rsa_finish, /* finish */
0, /* flags */
NULL, /* app_data */
0, /* rsa_sign */
0, /* rsa_verify */
NULL /* rsa_keygen */
};
static RSA_METHOD *dasync_rsa_method = NULL;
/* AES */
@ -239,12 +223,26 @@ static int dasync_cipher_nids[] = {
static int bind_dasync(ENGINE *e)
{
/* Setup RSA_METHOD */
if ((dasync_rsa_method = RSA_meth_new("Dummy Async RSA method", 0)) == NULL
|| RSA_meth_set_pub_enc(dasync_rsa_method, dasync_pub_enc) == 0
|| RSA_meth_set_pub_dec(dasync_rsa_method, dasync_pub_dec) == 0
|| RSA_meth_set_priv_enc(dasync_rsa_method, dasync_rsa_priv_enc) == 0
|| RSA_meth_set_priv_enc(dasync_rsa_method, dasync_rsa_priv_dec) == 0
|| RSA_meth_set_mod_exp(dasync_rsa_method, dasync_rsa_mod_exp) == 0
|| RSA_meth_set_bn_mod_exp(dasync_rsa_method, BN_mod_exp_mont) == 0
|| RSA_meth_set_init(dasync_rsa_method, dasync_rsa_init) == 0
|| RSA_meth_set_finish(dasync_rsa_method, dasync_rsa_finish) == 0) {
DASYNCerr(DASYNC_F_BIND_DASYNC, DASYNC_R_INIT_FAILED);
return 0;
}
/* Ensure the dasync error handling is set up */
ERR_load_DASYNC_strings();
if (!ENGINE_set_id(e, engine_dasync_id)
|| !ENGINE_set_name(e, engine_dasync_name)
|| !ENGINE_set_RSA(e, &dasync_rsa_method)
|| !ENGINE_set_RSA(e, dasync_rsa_method)
|| !ENGINE_set_digests(e, dasync_digests)
|| !ENGINE_set_ciphers(e, dasync_ciphers)
|| !ENGINE_set_destroy_function(e, dasync_destroy)
@ -375,6 +373,7 @@ static int dasync_destroy(ENGINE *e)
{
destroy_digests();
destroy_ciphers();
RSA_meth_free(dasync_rsa_method);
ERR_unload_DASYNC_strings();
return 1;
}
@ -545,14 +544,16 @@ static int dasync_pub_enc(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding) {
/* Ignore errors - we carry on anyway */
dummy_pause_job();
return RSA_PKCS1_OpenSSL()->rsa_pub_enc(flen, from, to, rsa, padding);
return RSA_meth_get_pub_enc(RSA_PKCS1_OpenSSL())
(flen, from, to, rsa, padding);
}
static int dasync_pub_dec(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding) {
/* Ignore errors - we carry on anyway */
dummy_pause_job();
return RSA_PKCS1_OpenSSL()->rsa_pub_dec(flen, from, to, rsa, padding);
return RSA_meth_get_pub_dec(RSA_PKCS1_OpenSSL())
(flen, from, to, rsa, padding);
}
static int dasync_rsa_priv_enc(int flen, const unsigned char *from,
@ -560,7 +561,8 @@ static int dasync_rsa_priv_enc(int flen, const unsigned char *from,
{
/* Ignore errors - we carry on anyway */
dummy_pause_job();
return RSA_PKCS1_OpenSSL()->rsa_priv_enc(flen, from, to, rsa, padding);
return RSA_meth_get_priv_enc(RSA_PKCS1_OpenSSL())
(flen, from, to, rsa, padding);
}
static int dasync_rsa_priv_dec(int flen, const unsigned char *from,
@ -568,23 +570,24 @@ static int dasync_rsa_priv_dec(int flen, const unsigned char *from,
{
/* Ignore errors - we carry on anyway */
dummy_pause_job();
return RSA_PKCS1_OpenSSL()->rsa_priv_dec(flen, from, to, rsa, padding);
return RSA_meth_get_priv_dec(RSA_PKCS1_OpenSSL())
(flen, from, to, rsa, padding);
}
static int dasync_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
{
/* Ignore errors - we carry on anyway */
dummy_pause_job();
return RSA_PKCS1_OpenSSL()->rsa_mod_exp(r0, I, rsa, ctx);
return RSA_meth_get_mod_exp(RSA_PKCS1_OpenSSL())(r0, I, rsa, ctx);
}
static int dasync_rsa_init(RSA *rsa)
{
return RSA_PKCS1_OpenSSL()->init(rsa);
return RSA_meth_get_init(RSA_PKCS1_OpenSSL())(rsa);
}
static int dasync_rsa_finish(RSA *rsa)
{
return RSA_PKCS1_OpenSSL()->finish(rsa);
return RSA_meth_get_finish(RSA_PKCS1_OpenSSL())(rsa);
}
/* Cipher helper functions */


+ 82
- 45
include/openssl/rsa.h View File

@ -72,51 +72,7 @@
extern "C" {
# endif
/* The type RSA is defined in ossl_typ.h */
struct rsa_meth_st {
const char *name;
int (*rsa_pub_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_pub_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_priv_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_priv_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
/* Can be null */
int (*rsa_mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
/* Can be null */
int (*bn_mod_exp) (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
/* called at new */
int (*init) (RSA *rsa);
/* called at free */
int (*finish) (RSA *rsa);
/* RSA_METHOD_FLAG_* things */
int flags;
/* may be needed! */
char *app_data;
/*
* New sign and verify functions: some libraries don't allow arbitrary
* data to be signed/verified: this allows them to be used. Note: for
* this to work the RSA_public_decrypt() and RSA_private_encrypt() should
* *NOT* be used RSA_sign(), RSA_verify() should be used instead.
*/
int (*rsa_sign) (int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen,
const RSA *rsa);
int (*rsa_verify) (int dtype, const unsigned char *m,
unsigned int m_length, const unsigned char *sigbuf,
unsigned int siglen, const RSA *rsa);
/*
* If this callback is NULL, the builtin software RSA key-gen will be
* used. This is for behavioural compatibility whilst the code gets
* rewired, but one day it would be nice to assume there are no such
* things as "builtin software" implementations.
*/
int (*rsa_keygen) (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
};
/* 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
@ -468,6 +424,87 @@ RSA *RSAPrivateKey_dup(RSA *rsa);
*/
# 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(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));
/* BEGIN ERROR CODES */
/*
* The following lines are auto generated by the script mkerr.pl. Any changes


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