crypto/asn1/n_pkey.c - third_party/openssl - Git at Google

 /* crypto/asn1/n_pkey.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.]
  */

 #include <stdio.h>
 #include "cryptlib.h"
 #include "rsa.h"
 #include "objects.h"
 #include "asn1_mac.h"
 #include "evp.h"
 #include "x509.h"


 #ifndef NO_RC4

 typedef struct netscape_pkey_st
 	{
 	ASN1_INTEGER *version;
 	X509_ALGOR *algor;
 	ASN1_OCTET_STRING *private_key;
 	} NETSCAPE_PKEY;

 /*
  * ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_LENGTH_MISMATCH);
  * ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_DECODING_ERROR);
  * ASN1err(ASN1_F_D2I_NETSCAPE_PKEY,ASN1_R_DECODING_ERROR);
  * ASN1err(ASN1_F_NETSCAPE_PKEY_NEW,ASN1_R_DECODING_ERROR);
  */
 #ifndef NOPROTO
 static int i2d_NETSCAPE_PKEY(NETSCAPE_PKEY *a, unsigned char **pp);
 static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY(NETSCAPE_PKEY **a,unsigned char **pp, long length);
 static NETSCAPE_PKEY *NETSCAPE_PKEY_new(void);
 static void NETSCAPE_PKEY_free(NETSCAPE_PKEY *);
 #else
 static int i2d_NETSCAPE_PKEY();
 static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY();
 static NETSCAPE_PKEY *NETSCAPE_PKEY_new();
 static void NETSCAPE_PKEY_free();
 #endif

 int i2d_Netscape_RSA(a,pp,cb)
 RSA *a;
 unsigned char **pp;
 int (*cb)();
 	{
 	int i,j,l[6];
 	NETSCAPE_PKEY *pkey;
 	unsigned char buf[256],*zz;
 	unsigned char key[EVP_MAX_KEY_LENGTH];
 	EVP_CIPHER_CTX ctx;
 	X509_ALGOR *alg=NULL;
 	ASN1_OCTET_STRING os,os2;
 	M_ASN1_I2D_vars(a);

 	if (a == NULL) return(0);

 #ifdef WIN32
 	r=r; /* shut the damn compiler up :-) */
 #endif

 	os.data=os2.data=NULL;
 	if ((pkey=NETSCAPE_PKEY_new()) == NULL) goto err;
 	if (!ASN1_INTEGER_set(pkey->version,0)) goto err;

 	if (pkey->algor->algorithm != NULL)
 		ASN1_OBJECT_free(pkey->algor->algorithm);
 	pkey->algor->algorithm=OBJ_nid2obj(NID_rsaEncryption);
 	if ((pkey->algor->parameter=ASN1_TYPE_new()) == NULL) goto err;
 	pkey->algor->parameter->type=V_ASN1_NULL;

 	l[0]=i2d_RSAPrivateKey(a,NULL);
 	pkey->private_key->length=l[0];

 	os2.length=i2d_NETSCAPE_PKEY(pkey,NULL);
 	l[1]=i2d_ASN1_OCTET_STRING(&os2,NULL);

 	if ((alg=X509_ALGOR_new()) == NULL) goto err;
 	if (alg->algorithm != NULL)
 		ASN1_OBJECT_free(alg->algorithm);
 	alg->algorithm=OBJ_nid2obj(NID_rc4);
 	if ((alg->parameter=ASN1_TYPE_new()) == NULL) goto err;
 	alg->parameter->type=V_ASN1_NULL;

 	l[2]=i2d_X509_ALGOR(alg,NULL);
 	l[3]=ASN1_object_size(1,l[2]+l[1],V_ASN1_SEQUENCE);

 	os.data=(unsigned char *)"private-key";
 	os.length=11;
 	l[4]=i2d_ASN1_OCTET_STRING(&os,NULL);

 	l[5]=ASN1_object_size(1,l[4]+l[3],V_ASN1_SEQUENCE);

 	if (pp == NULL)
 		{
 		if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
 		if (alg != NULL) X509_ALGOR_free(alg);
 		return(l[5]);
 		}

 	if (pkey->private_key->data != NULL)
 		Free((char *)pkey->private_key->data);
 	if ((pkey->private_key->data=(unsigned char *)Malloc(l[0])) == NULL)
 		{
 		ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE);
 		goto err;
 		}
 	zz=pkey->private_key->data;
 	i2d_RSAPrivateKey(a,&zz);

 	if ((os2.data=(unsigned char *)Malloc(os2.length)) == NULL)
 		{
 		ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE);
 		goto err;
 		}
 	zz=os2.data;
 	i2d_NETSCAPE_PKEY(pkey,&zz);

 	if (cb == NULL)
 		cb=EVP_read_pw_string;
 	i=cb(buf,256,"Enter Private Key password:",1);
 	if (i != 0)
 		{
 		ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ASN1_R_BAD_PASSWORD_READ);
 		goto err;
 		}
 	EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,
 		strlen((char *)buf),1,key,NULL);
 	memset(buf,0,256);

 	EVP_CIPHER_CTX_init(&ctx);
 	EVP_EncryptInit(&ctx,EVP_rc4(),key,NULL);
 	EVP_EncryptUpdate(&ctx,os2.data,&i,os2.data,os2.length);
 	EVP_EncryptFinal(&ctx,&(os2.data[i]),&j);
 	EVP_CIPHER_CTX_cleanup(&ctx);

 	p= *pp;
 	ASN1_put_object(&p,1,l[4]+l[3],V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
 	i2d_ASN1_OCTET_STRING(&os,&p);
 	ASN1_put_object(&p,1,l[2]+l[1],V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
 	i2d_X509_ALGOR(alg,&p);
 	i2d_ASN1_OCTET_STRING(&os2,&p);
 	ret=l[5];
 err:
 	if (os2.data != NULL) Free((char *)os2.data);
 	if (alg != NULL) X509_ALGOR_free(alg);
 	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
 	r=r;
 	return(ret);
 	}

 RSA *d2i_Netscape_RSA(a,pp,length,cb)
 RSA **a;
 unsigned char **pp;
 long length;
 int (*cb)();
 	{
 	RSA *ret=NULL;
 	ASN1_OCTET_STRING *os=NULL;
 	ASN1_CTX c;

 	c.pp=pp;
 	c.error=ASN1_R_DECODING_ERROR;

 	M_ASN1_D2I_Init();
 	M_ASN1_D2I_start_sequence();
 	M_ASN1_D2I_get(os,d2i_ASN1_OCTET_STRING);
 	if ((os->length != 11) || (strncmp("private-key",
 		(char *)os->data,os->length) != 0))
 		{
 		ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_PRIVATE_KEY_HEADER_MISSING);
 		ASN1_BIT_STRING_free(os);
 		goto err;
 		}
 	ASN1_BIT_STRING_free(os);
 	c.q=c.p;
 	if ((ret=d2i_Netscape_RSA_2(a,&c.p,c.slen,cb)) == NULL) goto err;
 	c.slen-=(c.p-c.q);

 	M_ASN1_D2I_Finish(a,RSA_free,ASN1_F_D2I_NETSCAPE_RSA);
 	}

 RSA *d2i_Netscape_RSA_2(a,pp,length,cb)
 RSA **a;
 unsigned char **pp;
 long length;
 int (*cb)();
 	{
 	NETSCAPE_PKEY *pkey=NULL;
 	RSA *ret=NULL;
 	int i,j;
 	unsigned char buf[256],*zz;
 	unsigned char key[EVP_MAX_KEY_LENGTH];
 	EVP_CIPHER_CTX ctx;
 	X509_ALGOR *alg=NULL;
 	ASN1_OCTET_STRING *os=NULL;
 	ASN1_CTX c;

 	c.error=ASN1_R_ERROR_STACK;
 	c.pp=pp;

 	M_ASN1_D2I_Init();
 	M_ASN1_D2I_start_sequence();
 	M_ASN1_D2I_get(alg,d2i_X509_ALGOR);
 	if (OBJ_obj2nid(alg->algorithm) != NID_rc4)
 		{
 		ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM);
 		goto err;
 		}
 	M_ASN1_D2I_get(os,d2i_ASN1_OCTET_STRING);
 	if (cb == NULL)
 		cb=EVP_read_pw_string;
 	i=cb(buf,256,"Enter Private Key password:",0);
 	if (i != 0)
 		{
 		ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_BAD_PASSWORD_READ);
 		goto err;
 		}

 	EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,
 		strlen((char *)buf),1,key,NULL);
 	memset(buf,0,256);

 	EVP_CIPHER_CTX_init(&ctx);
 	EVP_DecryptInit(&ctx,EVP_rc4(),key,NULL);
 	EVP_DecryptUpdate(&ctx,os->data,&i,os->data,os->length);
 	EVP_DecryptFinal(&ctx,&(os->data[i]),&j);
 	EVP_CIPHER_CTX_cleanup(&ctx);
 	os->length=i+j;

 	zz=os->data;

 	if ((pkey=d2i_NETSCAPE_PKEY(NULL,&zz,os->length)) == NULL)
 		{
 		ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY);
 		goto err;
 		}

 	zz=pkey->private_key->data;
 	if ((ret=d2i_RSAPrivateKey(a,&zz,pkey->private_key->length)) == NULL)
 		{
 		ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNABLE_TO_DECODE_RSA_KEY);
 		goto err;
 		}
 	if (!asn1_Finish(&c)) goto err;
 	*pp=c.p;
 err:
 	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
 	if (os != NULL) ASN1_BIT_STRING_free(os);
 	if (alg != NULL) X509_ALGOR_free(alg);
 	return(ret);
 	}

 static int i2d_NETSCAPE_PKEY(a,pp)
 NETSCAPE_PKEY *a;
 unsigned char **pp;
 	{
 	M_ASN1_I2D_vars(a);


 	M_ASN1_I2D_len(a->version,	i2d_ASN1_INTEGER);
 	M_ASN1_I2D_len(a->algor,	i2d_X509_ALGOR);
 	M_ASN1_I2D_len(a->private_key,	i2d_ASN1_OCTET_STRING);

 	M_ASN1_I2D_seq_total();

 	M_ASN1_I2D_put(a->version,	i2d_ASN1_INTEGER);
 	M_ASN1_I2D_put(a->algor,	i2d_X509_ALGOR);
 	M_ASN1_I2D_put(a->private_key,	i2d_ASN1_OCTET_STRING);

 	M_ASN1_I2D_finish();
 	}

 static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY(a,pp,length)
 NETSCAPE_PKEY **a;
 unsigned char **pp;
 long length;
 	{
 	M_ASN1_D2I_vars(a,NETSCAPE_PKEY *,NETSCAPE_PKEY_new);

 	M_ASN1_D2I_Init();
 	M_ASN1_D2I_start_sequence();
 	M_ASN1_D2I_get(ret->version,d2i_ASN1_INTEGER);
 	M_ASN1_D2I_get(ret->algor,d2i_X509_ALGOR);
 	M_ASN1_D2I_get(ret->private_key,d2i_ASN1_OCTET_STRING);
 	M_ASN1_D2I_Finish(a,NETSCAPE_PKEY_free,ASN1_F_D2I_NETSCAPE_PKEY);
 	}

 static NETSCAPE_PKEY *NETSCAPE_PKEY_new()
 	{
 	NETSCAPE_PKEY *ret=NULL;

 	M_ASN1_New_Malloc(ret,NETSCAPE_PKEY);
 	M_ASN1_New(ret->version,ASN1_INTEGER_new);
 	M_ASN1_New(ret->algor,X509_ALGOR_new);
 	M_ASN1_New(ret->private_key,ASN1_OCTET_STRING_new);
 	return(ret);
 	M_ASN1_New_Error(ASN1_F_NETSCAPE_PKEY_NEW);
 	}

 static void NETSCAPE_PKEY_free(a)
 NETSCAPE_PKEY *a;
 	{
 	if (a == NULL) return;
 	ASN1_INTEGER_free(a->version);
 	X509_ALGOR_free(a->algor);
 	ASN1_OCTET_STRING_free(a->private_key);
 	Free((char *)a);
 	}

 #endif /* NO_RC4 */
	/* crypto/asn1/n_pkey.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.]
	*/

	#include <stdio.h>
	#include "cryptlib.h"
	#include "rsa.h"
	#include "objects.h"
	#include "asn1_mac.h"
	#include "evp.h"
	#include "x509.h"


	#ifndef NO_RC4

	typedef struct netscape_pkey_st
	{
	ASN1_INTEGER *version;
	X509_ALGOR *algor;
	ASN1_OCTET_STRING *private_key;
	} NETSCAPE_PKEY;

	/*
	* ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_LENGTH_MISMATCH);
	* ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_DECODING_ERROR);
	* ASN1err(ASN1_F_D2I_NETSCAPE_PKEY,ASN1_R_DECODING_ERROR);
	* ASN1err(ASN1_F_NETSCAPE_PKEY_NEW,ASN1_R_DECODING_ERROR);
	*/
	#ifndef NOPROTO
	static int i2d_NETSCAPE_PKEY(NETSCAPE_PKEY a, unsigned char *pp);
	static NETSCAPE_PKEY d2i_NETSCAPE_PKEY(NETSCAPE_PKEY a,unsigned char *pp, long length);
	static NETSCAPE_PKEY *NETSCAPE_PKEY_new(void);
	static void NETSCAPE_PKEY_free(NETSCAPE_PKEY *);
	#else
	static int i2d_NETSCAPE_PKEY();
	static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY();
	static NETSCAPE_PKEY *NETSCAPE_PKEY_new();
	static void NETSCAPE_PKEY_free();
	#endif

	int i2d_Netscape_RSA(a,pp,cb)
	RSA *a;
	unsigned char **pp;
	int (*cb)();
	{
	int i,j,l[6];
	NETSCAPE_PKEY *pkey;
	unsigned char buf[256],*zz;
	unsigned char key[EVP_MAX_KEY_LENGTH];
	EVP_CIPHER_CTX ctx;
	X509_ALGOR *alg=NULL;
	ASN1_OCTET_STRING os,os2;
	M_ASN1_I2D_vars(a);

	if (a == NULL) return(0);

	#ifdef WIN32
	r=r; /* shut the damn compiler up :-) */
	#endif

	os.data=os2.data=NULL;
	if ((pkey=NETSCAPE_PKEY_new()) == NULL) goto err;
	if (!ASN1_INTEGER_set(pkey->version,0)) goto err;

	if (pkey->algor->algorithm != NULL)
	ASN1_OBJECT_free(pkey->algor->algorithm);
	pkey->algor->algorithm=OBJ_nid2obj(NID_rsaEncryption);
	if ((pkey->algor->parameter=ASN1_TYPE_new()) == NULL) goto err;
	pkey->algor->parameter->type=V_ASN1_NULL;

	l[0]=i2d_RSAPrivateKey(a,NULL);
	pkey->private_key->length=l[0];

	os2.length=i2d_NETSCAPE_PKEY(pkey,NULL);
	l[1]=i2d_ASN1_OCTET_STRING(&os2,NULL);

	if ((alg=X509_ALGOR_new()) == NULL) goto err;
	if (alg->algorithm != NULL)
	ASN1_OBJECT_free(alg->algorithm);
	alg->algorithm=OBJ_nid2obj(NID_rc4);
	if ((alg->parameter=ASN1_TYPE_new()) == NULL) goto err;
	alg->parameter->type=V_ASN1_NULL;

	l[2]=i2d_X509_ALGOR(alg,NULL);
	l[3]=ASN1_object_size(1,l[2]+l[1],V_ASN1_SEQUENCE);

	os.data=(unsigned char *)"private-key";
	os.length=11;
	l[4]=i2d_ASN1_OCTET_STRING(&os,NULL);

	l[5]=ASN1_object_size(1,l[4]+l[3],V_ASN1_SEQUENCE);

	if (pp == NULL)
	{
	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
	if (alg != NULL) X509_ALGOR_free(alg);
	return(l[5]);
	}

	if (pkey->private_key->data != NULL)
	Free((char *)pkey->private_key->data);
	if ((pkey->private_key->data=(unsigned char *)Malloc(l[0])) == NULL)
	{
	ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE);
	goto err;
	}
	zz=pkey->private_key->data;
	i2d_RSAPrivateKey(a,&zz);

	if ((os2.data=(unsigned char *)Malloc(os2.length)) == NULL)
	{
	ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE);
	goto err;
	}
	zz=os2.data;
	i2d_NETSCAPE_PKEY(pkey,&zz);

	if (cb == NULL)
	cb=EVP_read_pw_string;
	i=cb(buf,256,"Enter Private Key password:",1);
	if (i != 0)
	{
	ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ASN1_R_BAD_PASSWORD_READ);
	goto err;
	}
	EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,
	strlen((char *)buf),1,key,NULL);
	memset(buf,0,256);

	EVP_CIPHER_CTX_init(&ctx);
	EVP_EncryptInit(&ctx,EVP_rc4(),key,NULL);
	EVP_EncryptUpdate(&ctx,os2.data,&i,os2.data,os2.length);
	EVP_EncryptFinal(&ctx,&(os2.data[i]),&j);
	EVP_CIPHER_CTX_cleanup(&ctx);

	p= *pp;
	ASN1_put_object(&p,1,l[4]+l[3],V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
	i2d_ASN1_OCTET_STRING(&os,&p);
	ASN1_put_object(&p,1,l[2]+l[1],V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
	i2d_X509_ALGOR(alg,&p);
	i2d_ASN1_OCTET_STRING(&os2,&p);
	ret=l[5];
	err:
	if (os2.data != NULL) Free((char *)os2.data);
	if (alg != NULL) X509_ALGOR_free(alg);
	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
	r=r;
	return(ret);
	}

	RSA *d2i_Netscape_RSA(a,pp,length,cb)
	RSA **a;
	unsigned char **pp;
	long length;
	int (*cb)();
	{
	RSA *ret=NULL;
	ASN1_OCTET_STRING *os=NULL;
	ASN1_CTX c;

	c.pp=pp;
	c.error=ASN1_R_DECODING_ERROR;

	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();
	M_ASN1_D2I_get(os,d2i_ASN1_OCTET_STRING);
	if ((os->length != 11) \|\| (strncmp("private-key",
	(char *)os->data,os->length) != 0))
	{
	ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_PRIVATE_KEY_HEADER_MISSING);
	ASN1_BIT_STRING_free(os);
	goto err;
	}
	ASN1_BIT_STRING_free(os);
	c.q=c.p;
	if ((ret=d2i_Netscape_RSA_2(a,&c.p,c.slen,cb)) == NULL) goto err;
	c.slen-=(c.p-c.q);

	M_ASN1_D2I_Finish(a,RSA_free,ASN1_F_D2I_NETSCAPE_RSA);
	}

	RSA *d2i_Netscape_RSA_2(a,pp,length,cb)
	RSA **a;
	unsigned char **pp;
	long length;
	int (*cb)();
	{
	NETSCAPE_PKEY *pkey=NULL;
	RSA *ret=NULL;
	int i,j;
	unsigned char buf[256],*zz;
	unsigned char key[EVP_MAX_KEY_LENGTH];
	EVP_CIPHER_CTX ctx;
	X509_ALGOR *alg=NULL;
	ASN1_OCTET_STRING *os=NULL;
	ASN1_CTX c;

	c.error=ASN1_R_ERROR_STACK;
	c.pp=pp;

	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();
	M_ASN1_D2I_get(alg,d2i_X509_ALGOR);
	if (OBJ_obj2nid(alg->algorithm) != NID_rc4)
	{
	ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM);
	goto err;
	}
	M_ASN1_D2I_get(os,d2i_ASN1_OCTET_STRING);
	if (cb == NULL)
	cb=EVP_read_pw_string;
	i=cb(buf,256,"Enter Private Key password:",0);
	if (i != 0)
	{
	ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_BAD_PASSWORD_READ);
	goto err;
	}

	EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,
	strlen((char *)buf),1,key,NULL);
	memset(buf,0,256);

	EVP_CIPHER_CTX_init(&ctx);
	EVP_DecryptInit(&ctx,EVP_rc4(),key,NULL);
	EVP_DecryptUpdate(&ctx,os->data,&i,os->data,os->length);
	EVP_DecryptFinal(&ctx,&(os->data[i]),&j);
	EVP_CIPHER_CTX_cleanup(&ctx);
	os->length=i+j;

	zz=os->data;

	if ((pkey=d2i_NETSCAPE_PKEY(NULL,&zz,os->length)) == NULL)
	{
	ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY);
	goto err;
	}

	zz=pkey->private_key->data;
	if ((ret=d2i_RSAPrivateKey(a,&zz,pkey->private_key->length)) == NULL)
	{
	ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNABLE_TO_DECODE_RSA_KEY);
	goto err;
	}
	if (!asn1_Finish(&c)) goto err;
	*pp=c.p;
	err:
	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
	if (os != NULL) ASN1_BIT_STRING_free(os);
	if (alg != NULL) X509_ALGOR_free(alg);
	return(ret);
	}

	static int i2d_NETSCAPE_PKEY(a,pp)
	NETSCAPE_PKEY *a;
	unsigned char **pp;
	{
	M_ASN1_I2D_vars(a);


	M_ASN1_I2D_len(a->version, i2d_ASN1_INTEGER);
	M_ASN1_I2D_len(a->algor, i2d_X509_ALGOR);
	M_ASN1_I2D_len(a->private_key, i2d_ASN1_OCTET_STRING);

	M_ASN1_I2D_seq_total();

	M_ASN1_I2D_put(a->version, i2d_ASN1_INTEGER);
	M_ASN1_I2D_put(a->algor, i2d_X509_ALGOR);
	M_ASN1_I2D_put(a->private_key, i2d_ASN1_OCTET_STRING);

	M_ASN1_I2D_finish();
	}

	static NETSCAPE_PKEY *d2i_NETSCAPE_PKEY(a,pp,length)
	NETSCAPE_PKEY **a;
	unsigned char **pp;
	long length;
	{
	M_ASN1_D2I_vars(a,NETSCAPE_PKEY *,NETSCAPE_PKEY_new);

	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();
	M_ASN1_D2I_get(ret->version,d2i_ASN1_INTEGER);
	M_ASN1_D2I_get(ret->algor,d2i_X509_ALGOR);
	M_ASN1_D2I_get(ret->private_key,d2i_ASN1_OCTET_STRING);
	M_ASN1_D2I_Finish(a,NETSCAPE_PKEY_free,ASN1_F_D2I_NETSCAPE_PKEY);
	}

	static NETSCAPE_PKEY *NETSCAPE_PKEY_new()
	{
	NETSCAPE_PKEY *ret=NULL;

	M_ASN1_New_Malloc(ret,NETSCAPE_PKEY);
	M_ASN1_New(ret->version,ASN1_INTEGER_new);
	M_ASN1_New(ret->algor,X509_ALGOR_new);
	M_ASN1_New(ret->private_key,ASN1_OCTET_STRING_new);
	return(ret);
	M_ASN1_New_Error(ASN1_F_NETSCAPE_PKEY_NEW);
	}

	static void NETSCAPE_PKEY_free(a)
	NETSCAPE_PKEY *a;
	{
	if (a == NULL) return;
	ASN1_INTEGER_free(a->version);
	X509_ALGOR_free(a->algor);
	ASN1_OCTET_STRING_free(a->private_key);
	Free((char *)a);
	}

	#endif /* NO_RC4 */