[thirdparty/openssl.git] / crypto / asn1 / n_pkey.c

/* 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.]
 */

#ifndef NO_RSA
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/rsa.h>
#include <openssl/objects.h>
#include <openssl/asn1_mac.h>
#include <openssl/evp.h>
#include <openssl/x509.h>


#ifndef NO_RC4

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

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 *);

int i2d_Netscape_RSA(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);

#ifndef CONST_STRICT
	os.data=(unsigned char *)"private-key";
#endif
	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)
		OPENSSL_free(pkey->private_key->data);
	if ((pkey->private_key->data=(unsigned char *)OPENSSL_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 *)OPENSSL_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) OPENSSL_free(os2.data);
	if (alg != NULL) X509_ALGOR_free(alg);
	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
	r=r;
	return(ret);
	}

RSA *d2i_Netscape_RSA(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);
		M_ASN1_BIT_STRING_free(os);
		goto err;
		}
	M_ASN1_BIT_STRING_free(os);
	c.q=c.p;
	if ((ret=d2i_Netscape_RSA_2(a,&c.p,c.slen,cb)) == NULL) goto err;
	/* Note: some versions of IIS key files use length values that are
	 * too small for the surrounding SEQUENCEs. This following line
	 * effectively disable length checking.
	 */
	c.slen = 0;

	M_ASN1_D2I_Finish(a,RSA_free,ASN1_F_D2I_NETSCAPE_RSA);
	}

RSA *d2i_Netscape_RSA_2(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=ERR_R_NESTED_ASN1_ERROR;
	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) M_ASN1_BIT_STRING_free(os);
	if (alg != NULL) X509_ALGOR_free(alg);
	return(ret);
	}

static int i2d_NETSCAPE_PKEY(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(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(void)
	{
	NETSCAPE_PKEY *ret=NULL;
	ASN1_CTX c;

	M_ASN1_New_Malloc(ret,NETSCAPE_PKEY);
	M_ASN1_New(ret->version,M_ASN1_INTEGER_new);
	M_ASN1_New(ret->algor,X509_ALGOR_new);
	M_ASN1_New(ret->private_key,M_ASN1_OCTET_STRING_new);
	return(ret);
	M_ASN1_New_Error(ASN1_F_NETSCAPE_PKEY_NEW);
	}

static void NETSCAPE_PKEY_free(NETSCAPE_PKEY *a)
	{
	if (a == NULL) return;
	M_ASN1_INTEGER_free(a->version);
	X509_ALGOR_free(a->algor);
	M_ASN1_OCTET_STRING_free(a->private_key);
	OPENSSL_free(a);
	}

#endif /* NO_RC4 */

#else /* !NO_RSA */

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

#endif
Commit	Line	Data
d02b48c6	1	/* crypto/asn1/n_pkey.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
f5d7a031	59	#ifndef NO_RSA
d02b48c6 RE	60	#include <stdio.h>
d02b48c6 RE	61	#include "cryptlib.h"
ec577822 BM	62	#include <openssl/rsa.h>
	63	#include <openssl/objects.h>
	64	#include <openssl/asn1_mac.h>
	65	#include <openssl/evp.h>
	66	#include <openssl/x509.h>
d02b48c6 RE	67
	68
	69	#ifndef NO_RC4
	70
	71	typedef struct netscape_pkey_st
	72	{
	73	ASN1_INTEGER *version;
	74	X509_ALGOR *algor;
	75	ASN1_OCTET_STRING *private_key;
	76	} NETSCAPE_PKEY;
	77
d02b48c6 RE	78	static int i2d_NETSCAPE_PKEY(NETSCAPE_PKEY a, unsigned char *pp);
	79	static NETSCAPE_PKEY d2i_NETSCAPE_PKEY(NETSCAPE_PKEY a,unsigned char *pp, long length);
	80	static NETSCAPE_PKEY *NETSCAPE_PKEY_new(void);
	81	static void NETSCAPE_PKEY_free(NETSCAPE_PKEY *);
f5d7a031	82
6b691a5c	83	int i2d_Netscape_RSA(RSA a, unsigned char pp, int (cb)())
d02b48c6 RE	84	{
	85	int i,j,l[6];
	86	NETSCAPE_PKEY *pkey;
	87	unsigned char buf[256],*zz;
	88	unsigned char key[EVP_MAX_KEY_LENGTH];
	89	EVP_CIPHER_CTX ctx;
	90	X509_ALGOR *alg=NULL;
	91	ASN1_OCTET_STRING os,os2;
	92	M_ASN1_I2D_vars(a);
	93
	94	if (a == NULL) return(0);
	95
	96	#ifdef WIN32
	97	r=r; /* shut the damn compiler up :-) */
	98	#endif
	99
	100	os.data=os2.data=NULL;
	101	if ((pkey=NETSCAPE_PKEY_new()) == NULL) goto err;
	102	if (!ASN1_INTEGER_set(pkey->version,0)) goto err;
	103
	104	if (pkey->algor->algorithm != NULL)
	105	ASN1_OBJECT_free(pkey->algor->algorithm);
	106	pkey->algor->algorithm=OBJ_nid2obj(NID_rsaEncryption);
	107	if ((pkey->algor->parameter=ASN1_TYPE_new()) == NULL) goto err;
	108	pkey->algor->parameter->type=V_ASN1_NULL;
	109
	110	l[0]=i2d_RSAPrivateKey(a,NULL);
	111	pkey->private_key->length=l[0];
	112
	113	os2.length=i2d_NETSCAPE_PKEY(pkey,NULL);
	114	l[1]=i2d_ASN1_OCTET_STRING(&os2,NULL);
	115
	116	if ((alg=X509_ALGOR_new()) == NULL) goto err;
	117	if (alg->algorithm != NULL)
	118	ASN1_OBJECT_free(alg->algorithm);
	119	alg->algorithm=OBJ_nid2obj(NID_rc4);
	120	if ((alg->parameter=ASN1_TYPE_new()) == NULL) goto err;
	121	alg->parameter->type=V_ASN1_NULL;
	122
	123	l[2]=i2d_X509_ALGOR(alg,NULL);
	124	l[3]=ASN1_object_size(1,l[2]+l[1],V_ASN1_SEQUENCE);
	125
e778802f	126	#ifndef CONST_STRICT
d02b48c6	127	os.data=(unsigned char *)"private-key";
e778802f	128	#endif
d02b48c6 RE	129	os.length=11;
	130	l[4]=i2d_ASN1_OCTET_STRING(&os,NULL);
	131
	132	l[5]=ASN1_object_size(1,l[4]+l[3],V_ASN1_SEQUENCE);
	133
	134	if (pp == NULL)
	135	{
	136	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
	137	if (alg != NULL) X509_ALGOR_free(alg);
	138	return(l[5]);
	139	}
	140
	141	if (pkey->private_key->data != NULL)
26a3a48d RL	142	OPENSSL_free(pkey->private_key->data);
26a3a48d RL	143	if ((pkey->private_key->data=(unsigned char *)OPENSSL_malloc(l[0])) == NULL)
d02b48c6 RE	144	{
	145	ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE);
	146	goto err;
	147	}
	148	zz=pkey->private_key->data;
	149	i2d_RSAPrivateKey(a,&zz);
	150
26a3a48d	151	if ((os2.data=(unsigned char *)OPENSSL_malloc(os2.length)) == NULL)
d02b48c6 RE	152	{
	153	ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ERR_R_MALLOC_FAILURE);
	154	goto err;
	155	}
	156	zz=os2.data;
	157	i2d_NETSCAPE_PKEY(pkey,&zz);
	158
	159	if (cb == NULL)
	160	cb=EVP_read_pw_string;
	161	i=cb(buf,256,"Enter Private Key password:",1);
	162	if (i != 0)
	163	{
	164	ASN1err(ASN1_F_I2D_NETSCAPE_RSA,ASN1_R_BAD_PASSWORD_READ);
	165	goto err;
	166	}
	167	EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,
	168	strlen((char *)buf),1,key,NULL);
	169	memset(buf,0,256);
58964a49 RE	170
58964a49 RE	171	EVP_CIPHER_CTX_init(&ctx);
d02b48c6 RE	172	EVP_EncryptInit(&ctx,EVP_rc4(),key,NULL);
	173	EVP_EncryptUpdate(&ctx,os2.data,&i,os2.data,os2.length);
	174	EVP_EncryptFinal(&ctx,&(os2.data[i]),&j);
	175	EVP_CIPHER_CTX_cleanup(&ctx);
	176
	177	p= *pp;
	178	ASN1_put_object(&p,1,l[4]+l[3],V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
	179	i2d_ASN1_OCTET_STRING(&os,&p);
	180	ASN1_put_object(&p,1,l[2]+l[1],V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
	181	i2d_X509_ALGOR(alg,&p);
	182	i2d_ASN1_OCTET_STRING(&os2,&p);
	183	ret=l[5];
	184	err:
26a3a48d	185	if (os2.data != NULL) OPENSSL_free(os2.data);
d02b48c6 RE	186	if (alg != NULL) X509_ALGOR_free(alg);
	187	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
	188	r=r;
	189	return(ret);
	190	}
	191
6b691a5c	192	RSA d2i_Netscape_RSA(RSA a, unsigned char pp, long length, int (cb)())
d02b48c6 RE	193	{
	194	RSA *ret=NULL;
	195	ASN1_OCTET_STRING *os=NULL;
	196	ASN1_CTX c;
	197
	198	c.pp=pp;
	199	c.error=ASN1_R_DECODING_ERROR;
	200
	201	M_ASN1_D2I_Init();
	202	M_ASN1_D2I_start_sequence();
	203	M_ASN1_D2I_get(os,d2i_ASN1_OCTET_STRING);
	204	if ((os->length != 11) \|\| (strncmp("private-key",
	205	(char *)os->data,os->length) != 0))
	206	{
	207	ASN1err(ASN1_F_D2I_NETSCAPE_RSA,ASN1_R_PRIVATE_KEY_HEADER_MISSING);
08e9c1af	208	M_ASN1_BIT_STRING_free(os);
d02b48c6 RE	209	goto err;
d02b48c6 RE	210	}
08e9c1af	211	M_ASN1_BIT_STRING_free(os);
d02b48c6 RE	212	c.q=c.p;
d02b48c6 RE	213	if ((ret=d2i_Netscape_RSA_2(a,&c.p,c.slen,cb)) == NULL) goto err;
b4b41f48 DSH	214	/* Note: some versions of IIS key files use length values that are
	215	* too small for the surrounding SEQUENCEs. This following line
	216	* effectively disable length checking.
	217	*/
	218	c.slen = 0;
d02b48c6 RE	219
	220	M_ASN1_D2I_Finish(a,RSA_free,ASN1_F_D2I_NETSCAPE_RSA);
	221	}
	222
6b691a5c UM	223	RSA d2i_Netscape_RSA_2(RSA a, unsigned char *pp, long length,
6b691a5c UM	224	int (*cb)())
d02b48c6 RE	225	{
	226	NETSCAPE_PKEY *pkey=NULL;
	227	RSA *ret=NULL;
	228	int i,j;
	229	unsigned char buf[256],*zz;
	230	unsigned char key[EVP_MAX_KEY_LENGTH];
	231	EVP_CIPHER_CTX ctx;
	232	X509_ALGOR *alg=NULL;
	233	ASN1_OCTET_STRING *os=NULL;
	234	ASN1_CTX c;
	235
dfeab068	236	c.error=ERR_R_NESTED_ASN1_ERROR;
d02b48c6 RE	237	c.pp=pp;
	238
	239	M_ASN1_D2I_Init();
	240	M_ASN1_D2I_start_sequence();
	241	M_ASN1_D2I_get(alg,d2i_X509_ALGOR);
	242	if (OBJ_obj2nid(alg->algorithm) != NID_rc4)
	243	{
	244	ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM);
	245	goto err;
	246	}
	247	M_ASN1_D2I_get(os,d2i_ASN1_OCTET_STRING);
	248	if (cb == NULL)
	249	cb=EVP_read_pw_string;
	250	i=cb(buf,256,"Enter Private Key password:",0);
	251	if (i != 0)
	252	{
	253	ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_BAD_PASSWORD_READ);
	254	goto err;
	255	}
	256
	257	EVP_BytesToKey(EVP_rc4(),EVP_md5(),NULL,buf,
	258	strlen((char *)buf),1,key,NULL);
	259	memset(buf,0,256);
58964a49 RE	260
58964a49 RE	261	EVP_CIPHER_CTX_init(&ctx);
d02b48c6 RE	262	EVP_DecryptInit(&ctx,EVP_rc4(),key,NULL);
	263	EVP_DecryptUpdate(&ctx,os->data,&i,os->data,os->length);
	264	EVP_DecryptFinal(&ctx,&(os->data[i]),&j);
	265	EVP_CIPHER_CTX_cleanup(&ctx);
	266	os->length=i+j;
	267
	268	zz=os->data;
	269
	270	if ((pkey=d2i_NETSCAPE_PKEY(NULL,&zz,os->length)) == NULL)
	271	{
	272	ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY);
	273	goto err;
	274	}
	275
	276	zz=pkey->private_key->data;
	277	if ((ret=d2i_RSAPrivateKey(a,&zz,pkey->private_key->length)) == NULL)
	278	{
	279	ASN1err(ASN1_F_D2I_NETSCAPE_RSA_2,ASN1_R_UNABLE_TO_DECODE_RSA_KEY);
	280	goto err;
	281	}
	282	if (!asn1_Finish(&c)) goto err;
	283	*pp=c.p;
	284	err:
	285	if (pkey != NULL) NETSCAPE_PKEY_free(pkey);
08e9c1af	286	if (os != NULL) M_ASN1_BIT_STRING_free(os);
d02b48c6 RE	287	if (alg != NULL) X509_ALGOR_free(alg);
	288	return(ret);
	289	}
	290
6b691a5c	291	static int i2d_NETSCAPE_PKEY(NETSCAPE_PKEY a, unsigned char *pp)
d02b48c6 RE	292	{
	293	M_ASN1_I2D_vars(a);
	294
	295
	296	M_ASN1_I2D_len(a->version, i2d_ASN1_INTEGER);
	297	M_ASN1_I2D_len(a->algor, i2d_X509_ALGOR);
	298	M_ASN1_I2D_len(a->private_key, i2d_ASN1_OCTET_STRING);
	299
	300	M_ASN1_I2D_seq_total();
	301
	302	M_ASN1_I2D_put(a->version, i2d_ASN1_INTEGER);
	303	M_ASN1_I2D_put(a->algor, i2d_X509_ALGOR);
	304	M_ASN1_I2D_put(a->private_key, i2d_ASN1_OCTET_STRING);
	305
	306	M_ASN1_I2D_finish();
	307	}
	308
6b691a5c UM	309	static NETSCAPE_PKEY d2i_NETSCAPE_PKEY(NETSCAPE_PKEY a, unsigned char *pp,
6b691a5c UM	310	long length)
d02b48c6 RE	311	{
	312	M_ASN1_D2I_vars(a,NETSCAPE_PKEY *,NETSCAPE_PKEY_new);
	313
	314	M_ASN1_D2I_Init();
	315	M_ASN1_D2I_start_sequence();
	316	M_ASN1_D2I_get(ret->version,d2i_ASN1_INTEGER);
	317	M_ASN1_D2I_get(ret->algor,d2i_X509_ALGOR);
	318	M_ASN1_D2I_get(ret->private_key,d2i_ASN1_OCTET_STRING);
	319	M_ASN1_D2I_Finish(a,NETSCAPE_PKEY_free,ASN1_F_D2I_NETSCAPE_PKEY);
	320	}
	321
6b691a5c	322	static NETSCAPE_PKEY *NETSCAPE_PKEY_new(void)
d02b48c6 RE	323	{
d02b48c6 RE	324	NETSCAPE_PKEY *ret=NULL;
dfeab068	325	ASN1_CTX c;
d02b48c6 RE	326
d02b48c6 RE	327	M_ASN1_New_Malloc(ret,NETSCAPE_PKEY);
08e9c1af	328	M_ASN1_New(ret->version,M_ASN1_INTEGER_new);
d02b48c6	329	M_ASN1_New(ret->algor,X509_ALGOR_new);
08e9c1af	330	M_ASN1_New(ret->private_key,M_ASN1_OCTET_STRING_new);
d02b48c6 RE	331	return(ret);
	332	M_ASN1_New_Error(ASN1_F_NETSCAPE_PKEY_NEW);
	333	}
	334
6b691a5c	335	static void NETSCAPE_PKEY_free(NETSCAPE_PKEY *a)
d02b48c6 RE	336	{
d02b48c6 RE	337	if (a == NULL) return;
08e9c1af	338	M_ASN1_INTEGER_free(a->version);
d02b48c6	339	X509_ALGOR_free(a->algor);
08e9c1af	340	M_ASN1_OCTET_STRING_free(a->private_key);
26a3a48d	341	OPENSSL_free(a);
d02b48c6 RE	342	}
	343
	344	#endif /* NO_RC4 */
752d706a BL	345
	346	#else /* !NO_RSA */
	347
	348	# if PEDANTIC
	349	static void *dummy=&dummy;
	350	# endif
	351
f5d7a031	352	#endif