rsaref/rsaref.c - third_party/openssl - Git at Google

 /* rsaref/rsaref.c */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
  *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *    "This product includes cryptographic software written by
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
  * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */

 #ifndef NO_RSA
 #include <stdio.h>
 #include "cryptlib.h"
 #include <openssl/bn.h>
 #include <openssl/rsa.h>
 #include <openssl/rsaref.h>
 #include <openssl/rand.h>

 static int RSAref_bn2bin(BIGNUM * from, unsigned char* to, int max);
 #ifdef undef
 static BIGNUM* RSAref_bin2bn(unsigned char* from, BIGNUM * to, int max);
 #endif
 static int RSAref_Public_eay2ref(RSA * from, RSArefPublicKey * to);
 static int RSAref_Private_eay2ref(RSA * from, RSArefPrivateKey * to);
 int RSA_ref_private_decrypt(int len, unsigned char *from,
 	unsigned char *to, RSA *rsa, int padding);
 int RSA_ref_private_encrypt(int len, unsigned char *from,
 	unsigned char *to, RSA *rsa, int padding);
 int RSA_ref_public_encrypt(int len, unsigned char *from,
 	unsigned char *to, RSA *rsa, int padding);
 int RSA_ref_public_decrypt(int len, unsigned char *from,
 	unsigned char *to, RSA *rsa, int padding);
 static int BN_ref_mod_exp(BIGNUM *r,BIGNUM *a,const BIGNUM *p,const BIGNUM *m,
 			  BN_CTX *ctx, BN_MONT_CTX *m_ctx);
 static int RSA_ref_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa);
 static RSA_METHOD rsa_pkcs1_ref_meth={
 	"RSAref PKCS#1 RSA",
 	RSA_ref_public_encrypt,
 	RSA_ref_public_decrypt,
 	RSA_ref_private_encrypt,
 	RSA_ref_private_decrypt,
 	RSA_ref_mod_exp,
 	BN_ref_mod_exp,
 	NULL,
 	NULL,
 	0,
 	NULL,
 	};

 RSA_METHOD *RSA_PKCS1_RSAref(void)
 	{
 	return(&rsa_pkcs1_ref_meth);
 	}

 static int RSA_ref_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)
 	{
 	RSAREFerr(RSAREF_F_RSA_REF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
 	return(0);
 	}

 static int BN_ref_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
 			  const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
 	{
 	RSAREFerr(RSAREF_F_BN_REF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
 	return(0);
 	}

 /* unsigned char *to:  [max]    */
 static int RSAref_bn2bin(BIGNUM *from, unsigned char *to, int max)
 	{
 	int i;

 	i=BN_num_bytes(from);
 	if (i > max)
 		{
 		RSAREFerr(RSAREF_F_RSAREF_BN2BIN,RSAREF_R_LEN);
 		return(0);
 		}

 	memset(to,0,(unsigned int)max);
 	if (!BN_bn2bin(from,&(to[max-i])))
 		return(0);
 	return(1);
 	}

 #ifdef undef
 /* unsigned char *from:  [max]    */
 static BIGNUM *RSAref_bin2bn(unsigned char *from, BIGNUM *to, int max)
 	{
 	int i;
 	BIGNUM *ret;

 	for (i=0; i<max; i++)
 		if (from[i]) break;

 	ret=BN_bin2bn(&(from[i]),max-i,to);
 	return(ret);
 	}

 static int RSAref_Public_ref2eay(RSArefPublicKey *from, RSA *to)
 	{
 	to->n=RSAref_bin2bn(from->m,NULL,RSAref_MAX_LEN);
 	to->e=RSAref_bin2bn(from->e,NULL,RSAref_MAX_LEN);
 	if ((to->n == NULL) || (to->e == NULL)) return(0);
 	return(1);
 	}
 #endif

 static int RSAref_Public_eay2ref(RSA *from, RSArefPublicKey *to)
 	{
 	to->bits=BN_num_bits(from->n);
 	if (!RSAref_bn2bin(from->n,to->m,RSAref_MAX_LEN)) return(0);
 	if (!RSAref_bn2bin(from->e,to->e,RSAref_MAX_LEN)) return(0);
 	return(1);
 	}

 #ifdef undef
 static int RSAref_Private_ref2eay(RSArefPrivateKey *from, RSA *to)
 	{
 	if ((to->n=RSAref_bin2bn(from->m,NULL,RSAref_MAX_LEN)) == NULL)
 		return(0);
 	if ((to->e=RSAref_bin2bn(from->e,NULL,RSAref_MAX_LEN)) == NULL)
 		return(0);
 	if ((to->d=RSAref_bin2bn(from->d,NULL,RSAref_MAX_LEN)) == NULL)
 		return(0);
 	if ((to->p=RSAref_bin2bn(from->prime[0],NULL,RSAref_MAX_PLEN)) == NULL)
 		return(0);
 	if ((to->q=RSAref_bin2bn(from->prime[1],NULL,RSAref_MAX_PLEN)) == NULL)
 		return(0);
 	if ((to->dmp1=RSAref_bin2bn(from->pexp[0],NULL,RSAref_MAX_PLEN))
 		== NULL)
 		return(0);
 	if ((to->dmq1=RSAref_bin2bn(from->pexp[1],NULL,RSAref_MAX_PLEN))
 		== NULL)
 		return(0);
 	if ((to->iqmp=RSAref_bin2bn(from->coef,NULL,RSAref_MAX_PLEN)) == NULL)
 		return(0);
 	return(1);
 	}
 #endif

 static int RSAref_Private_eay2ref(RSA *from, RSArefPrivateKey *to)
 	{
 	to->bits=BN_num_bits(from->n);
 	if (!RSAref_bn2bin(from->n,to->m,RSAref_MAX_LEN)) return(0);
 	if (!RSAref_bn2bin(from->e,to->e,RSAref_MAX_LEN)) return(0);
 	if (!RSAref_bn2bin(from->d,to->d,RSAref_MAX_LEN)) return(0);
 	if (!RSAref_bn2bin(from->p,to->prime[0],RSAref_MAX_PLEN)) return(0);
 	if (!RSAref_bn2bin(from->q,to->prime[1],RSAref_MAX_PLEN)) return(0);
 	if (!RSAref_bn2bin(from->dmp1,to->pexp[0],RSAref_MAX_PLEN)) return(0);
 	if (!RSAref_bn2bin(from->dmq1,to->pexp[1],RSAref_MAX_PLEN)) return(0);
 	if (!RSAref_bn2bin(from->iqmp,to->coef,RSAref_MAX_PLEN)) return(0);
 	return(1);
 	}

 int RSA_ref_private_decrypt(int len, unsigned char *from, unsigned char *to,
 	     RSA *rsa, int padding)
 	{
 	int i,outlen= -1;
 	RSArefPrivateKey RSAkey;

 	if (!RSAref_Private_eay2ref(rsa,&RSAkey))
 		goto err;
 	if ((i=RSAPrivateDecrypt(to,&outlen,from,len,&RSAkey)) != 0)
 		{
 		RSAREFerr(RSAREF_F_RSA_REF_PRIVATE_DECRYPT,i);
 		outlen= -1;
 		}
 err:
 	memset(&RSAkey,0,sizeof(RSAkey));
 	return(outlen);
 	}

 int RSA_ref_private_encrypt(int len, unsigned char *from, unsigned char *to,
 	     RSA *rsa, int padding)
 	{
 	int i,outlen= -1;
 	RSArefPrivateKey RSAkey;

 	if (padding != RSA_PKCS1_PADDING)
 		{
 		RSAREFerr(RSAREF_F_RSA_REF_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
 		goto err;
 	}
 	if (!RSAref_Private_eay2ref(rsa,&RSAkey))
 		goto err;
 	if ((i=RSAPrivateEncrypt(to,&outlen,from,len,&RSAkey)) != 0)
 		{
 		RSAREFerr(RSAREF_F_RSA_REF_PRIVATE_ENCRYPT,i);
 		outlen= -1;
 		}
 err:
 	memset(&RSAkey,0,sizeof(RSAkey));
 	return(outlen);
 	}

 int RSA_ref_public_decrypt(int len, unsigned char *from, unsigned char *to,
 	     RSA *rsa, int padding)
 	{
 	int i,outlen= -1;
 	RSArefPublicKey RSAkey;

 	if (!RSAref_Public_eay2ref(rsa,&RSAkey))
 		goto err;
 	if ((i=RSAPublicDecrypt(to,&outlen,from,len,&RSAkey)) != 0)
 		{
 		RSAREFerr(RSAREF_F_RSA_REF_PUBLIC_DECRYPT,i);
 		outlen= -1;
 		}
 err:
 	memset(&RSAkey,0,sizeof(RSAkey));
 	return(outlen);
 	}

 int RSA_ref_public_encrypt(int len, unsigned char *from, unsigned char *to,
 	     RSA *rsa, int padding)
 	{
 	int outlen= -1;
 	int i;
 	RSArefPublicKey RSAkey;
 	RSARandomState rnd;
 	unsigned char buf[16];

 	if (padding != RSA_PKCS1_PADDING && padding != RSA_SSLV23_PADDING)
 		{
 		RSAREFerr(RSAREF_F_RSA_REF_PUBLIC_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
 		goto err;
 		}

 	R_RandomInit(&rnd);
 	R_GetRandomBytesNeeded((unsigned int *)&i,&rnd);
 	while (i > 0)
 		{
 		if (RAND_bytes(buf,16) <= 0)
 			goto err;
 		R_RandomUpdate(&rnd,buf,(unsigned int)((i>16)?16:i));
 		i-=16;
 		}

 	if (!RSAref_Public_eay2ref(rsa,&RSAkey))
 		goto err;
 	if ((i=RSAPublicEncrypt(to,&outlen,from,len,&RSAkey,&rnd)) != 0)
 		{
 		RSAREFerr(RSAREF_F_RSA_REF_PUBLIC_ENCRYPT,i);
 		outlen= -1;
 		goto err;
 		}
 err:
 	memset(&RSAkey,0,sizeof(RSAkey));
 	R_RandomFinal(&rnd);
 	memset(&rnd,0,sizeof(rnd));
 	return(outlen);
 	}
 #else /* !NO_RSA */

 # if PEDANTIC
 static void *dummy=&dummy;
 # endif

 #endif
	/* rsaref/rsaref.c */
	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
	* All rights reserved.
	*
	* This package is an SSL implementation written
	* by Eric Young (eay@cryptsoft.com).
	* The implementation was written so as to conform with Netscapes SSL.
	*
	* This library is free for commercial and non-commercial use as long as
	* the following conditions are aheared to. The following conditions
	* apply to all code found in this distribution, be it the RC4, RSA,
	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	* included with this distribution is covered by the same copyright terms
	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	*
	* Copyright remains Eric Young's, and as such any Copyright notices in
	* the code are not to be removed.
	* If this package is used in a product, Eric Young should be given attribution
	* as the author of the parts of the library used.
	* This can be in the form of a textual message at program startup or
	* in documentation (online or textual) provided with the package.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. All advertising materials mentioning features or use of this software
	* must display the following acknowledgement:
	* "This product includes cryptographic software written by
	* Eric Young (eay@cryptsoft.com)"
	* The word 'cryptographic' can be left out if the rouines from the library
	* being used are not cryptographic related :-).
	* 4. If you include any Windows specific code (or a derivative thereof) from
	* the apps directory (application code) you must include an acknowledgement:
	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	*
	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	*
	* The licence and distribution terms for any publically available version or
	* derivative of this code cannot be changed. i.e. this code cannot simply be
	* copied and put under another distribution licence
	* [including the GNU Public Licence.]
	*/

	#ifndef NO_RSA
	#include <stdio.h>
	#include "cryptlib.h"
	#include <openssl/bn.h>
	#include <openssl/rsa.h>
	#include <openssl/rsaref.h>
	#include <openssl/rand.h>

	static int RSAref_bn2bin(BIGNUM * from, unsigned char* to, int max);
	#ifdef undef
	static BIGNUM* RSAref_bin2bn(unsigned char* from, BIGNUM * to, int max);
	#endif
	static int RSAref_Public_eay2ref(RSA * from, RSArefPublicKey * to);
	static int RSAref_Private_eay2ref(RSA * from, RSArefPrivateKey * to);
	int RSA_ref_private_decrypt(int len, unsigned char *from,
	unsigned char to, RSA rsa, int padding);
	int RSA_ref_private_encrypt(int len, unsigned char *from,
	unsigned char to, RSA rsa, int padding);
	int RSA_ref_public_encrypt(int len, unsigned char *from,
	unsigned char to, RSA rsa, int padding);
	int RSA_ref_public_decrypt(int len, unsigned char *from,
	unsigned char to, RSA rsa, int padding);
	static int BN_ref_mod_exp(BIGNUM r,BIGNUM a,const BIGNUM p,const BIGNUM m,
	BN_CTX ctx, BN_MONT_CTX m_ctx);
	static int RSA_ref_mod_exp(BIGNUM r0, BIGNUM I, RSA *rsa);
	static RSA_METHOD rsa_pkcs1_ref_meth={
	"RSAref PKCS#1 RSA",
	RSA_ref_public_encrypt,
	RSA_ref_public_decrypt,
	RSA_ref_private_encrypt,
	RSA_ref_private_decrypt,
	RSA_ref_mod_exp,
	BN_ref_mod_exp,
	NULL,
	NULL,
	0,
	NULL,
	};

	RSA_METHOD *RSA_PKCS1_RSAref(void)
	{
	return(&rsa_pkcs1_ref_meth);
	}

	static int RSA_ref_mod_exp(BIGNUM r0, BIGNUM I, RSA *rsa)
	{
	RSAREFerr(RSAREF_F_RSA_REF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
	return(0);
	}

	static int BN_ref_mod_exp(BIGNUM r, BIGNUM a, const BIGNUM *p,
	const BIGNUM m, BN_CTX ctx, BN_MONT_CTX *m_ctx)
	{
	RSAREFerr(RSAREF_F_BN_REF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
	return(0);
	}

	/* unsigned char to: [max] /
	static int RSAref_bn2bin(BIGNUM from, unsigned char to, int max)
	{
	int i;

	i=BN_num_bytes(from);
	if (i > max)
	{
	RSAREFerr(RSAREF_F_RSAREF_BN2BIN,RSAREF_R_LEN);
	return(0);
	}

	memset(to,0,(unsigned int)max);
	if (!BN_bn2bin(from,&(to[max-i])))
	return(0);
	return(1);
	}

	#ifdef undef
	/* unsigned char from: [max] /
	static BIGNUM RSAref_bin2bn(unsigned char from, BIGNUM *to, int max)
	{
	int i;
	BIGNUM *ret;

	for (i=0; i<max; i++)
	if (from[i]) break;

	ret=BN_bin2bn(&(from[i]),max-i,to);
	return(ret);
	}

	static int RSAref_Public_ref2eay(RSArefPublicKey from, RSA to)
	{
	to->n=RSAref_bin2bn(from->m,NULL,RSAref_MAX_LEN);
	to->e=RSAref_bin2bn(from->e,NULL,RSAref_MAX_LEN);
	if ((to->n == NULL) \|\| (to->e == NULL)) return(0);
	return(1);
	}
	#endif

	static int RSAref_Public_eay2ref(RSA from, RSArefPublicKey to)
	{
	to->bits=BN_num_bits(from->n);
	if (!RSAref_bn2bin(from->n,to->m,RSAref_MAX_LEN)) return(0);
	if (!RSAref_bn2bin(from->e,to->e,RSAref_MAX_LEN)) return(0);
	return(1);
	}

	#ifdef undef
	static int RSAref_Private_ref2eay(RSArefPrivateKey from, RSA to)
	{
	if ((to->n=RSAref_bin2bn(from->m,NULL,RSAref_MAX_LEN)) == NULL)
	return(0);
	if ((to->e=RSAref_bin2bn(from->e,NULL,RSAref_MAX_LEN)) == NULL)
	return(0);
	if ((to->d=RSAref_bin2bn(from->d,NULL,RSAref_MAX_LEN)) == NULL)
	return(0);
	if ((to->p=RSAref_bin2bn(from->prime[0],NULL,RSAref_MAX_PLEN)) == NULL)
	return(0);
	if ((to->q=RSAref_bin2bn(from->prime[1],NULL,RSAref_MAX_PLEN)) == NULL)
	return(0);
	if ((to->dmp1=RSAref_bin2bn(from->pexp[0],NULL,RSAref_MAX_PLEN))
	== NULL)
	return(0);
	if ((to->dmq1=RSAref_bin2bn(from->pexp[1],NULL,RSAref_MAX_PLEN))
	== NULL)
	return(0);
	if ((to->iqmp=RSAref_bin2bn(from->coef,NULL,RSAref_MAX_PLEN)) == NULL)
	return(0);
	return(1);
	}
	#endif

	static int RSAref_Private_eay2ref(RSA from, RSArefPrivateKey to)
	{
	to->bits=BN_num_bits(from->n);
	if (!RSAref_bn2bin(from->n,to->m,RSAref_MAX_LEN)) return(0);
	if (!RSAref_bn2bin(from->e,to->e,RSAref_MAX_LEN)) return(0);
	if (!RSAref_bn2bin(from->d,to->d,RSAref_MAX_LEN)) return(0);
	if (!RSAref_bn2bin(from->p,to->prime[0],RSAref_MAX_PLEN)) return(0);
	if (!RSAref_bn2bin(from->q,to->prime[1],RSAref_MAX_PLEN)) return(0);
	if (!RSAref_bn2bin(from->dmp1,to->pexp[0],RSAref_MAX_PLEN)) return(0);
	if (!RSAref_bn2bin(from->dmq1,to->pexp[1],RSAref_MAX_PLEN)) return(0);
	if (!RSAref_bn2bin(from->iqmp,to->coef,RSAref_MAX_PLEN)) return(0);
	return(1);
	}

	int RSA_ref_private_decrypt(int len, unsigned char from, unsigned char to,
	RSA *rsa, int padding)
	{
	int i,outlen= -1;
	RSArefPrivateKey RSAkey;

	if (!RSAref_Private_eay2ref(rsa,&RSAkey))
	goto err;
	if ((i=RSAPrivateDecrypt(to,&outlen,from,len,&RSAkey)) != 0)
	{
	RSAREFerr(RSAREF_F_RSA_REF_PRIVATE_DECRYPT,i);
	outlen= -1;
	}
	err:
	memset(&RSAkey,0,sizeof(RSAkey));
	return(outlen);
	}

	int RSA_ref_private_encrypt(int len, unsigned char from, unsigned char to,
	RSA *rsa, int padding)
	{
	int i,outlen= -1;
	RSArefPrivateKey RSAkey;

	if (padding != RSA_PKCS1_PADDING)
	{
	RSAREFerr(RSAREF_F_RSA_REF_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
	goto err;
	}
	if (!RSAref_Private_eay2ref(rsa,&RSAkey))
	goto err;
	if ((i=RSAPrivateEncrypt(to,&outlen,from,len,&RSAkey)) != 0)
	{
	RSAREFerr(RSAREF_F_RSA_REF_PRIVATE_ENCRYPT,i);
	outlen= -1;
	}
	err:
	memset(&RSAkey,0,sizeof(RSAkey));
	return(outlen);
	}

	int RSA_ref_public_decrypt(int len, unsigned char from, unsigned char to,
	RSA *rsa, int padding)
	{
	int i,outlen= -1;
	RSArefPublicKey RSAkey;

	if (!RSAref_Public_eay2ref(rsa,&RSAkey))
	goto err;
	if ((i=RSAPublicDecrypt(to,&outlen,from,len,&RSAkey)) != 0)
	{
	RSAREFerr(RSAREF_F_RSA_REF_PUBLIC_DECRYPT,i);
	outlen= -1;
	}
	err:
	memset(&RSAkey,0,sizeof(RSAkey));
	return(outlen);
	}

	int RSA_ref_public_encrypt(int len, unsigned char from, unsigned char to,
	RSA *rsa, int padding)
	{
	int outlen= -1;
	int i;
	RSArefPublicKey RSAkey;
	RSARandomState rnd;
	unsigned char buf[16];

	if (padding != RSA_PKCS1_PADDING && padding != RSA_SSLV23_PADDING)
	{
	RSAREFerr(RSAREF_F_RSA_REF_PUBLIC_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
	goto err;
	}

	R_RandomInit(&rnd);
	R_GetRandomBytesNeeded((unsigned int *)&i,&rnd);
	while (i > 0)
	{
	if (RAND_bytes(buf,16) <= 0)
	goto err;
	R_RandomUpdate(&rnd,buf,(unsigned int)((i>16)?16:i));
	i-=16;
	}

	if (!RSAref_Public_eay2ref(rsa,&RSAkey))
	goto err;
	if ((i=RSAPublicEncrypt(to,&outlen,from,len,&RSAkey,&rnd)) != 0)
	{
	RSAREFerr(RSAREF_F_RSA_REF_PUBLIC_ENCRYPT,i);
	outlen= -1;
	goto err;
	}
	err:
	memset(&RSAkey,0,sizeof(RSAkey));
	R_RandomFinal(&rnd);
	memset(&rnd,0,sizeof(rnd));
	return(outlen);
	}
	#else /* !NO_RSA */

	# if PEDANTIC
	static void *dummy=&dummy;
	# endif

	#endif