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

 /* crypto/asn1/t_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 <openssl/buffer.h>
 #include <openssl/bn.h>
 #ifndef NO_RSA
 #include <openssl/rsa.h>
 #endif
 #ifndef NO_DH
 #include <openssl/dh.h>
 #endif
 #ifndef NO_DSA
 #include <openssl/dsa.h>
 #endif

 static int print(BIO *fp,const char *str,BIGNUM *num,
 		unsigned char *buf,int off);
 #ifndef NO_RSA
 #ifndef NO_FP_API
 int RSA_print_fp(FILE *fp, RSA *x, int off)
         {
         BIO *b;
         int ret;

         if ((b=BIO_new(BIO_s_file())) == NULL)
 		{
 		RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
                 return(0);
 		}
         BIO_set_fp(b,fp,BIO_NOCLOSE);
         ret=RSA_print(b,x,off);
         BIO_free(b);
         return(ret);
         }
 #endif

 int RSA_print(BIO *bp, RSA *x, int off)
 	{
 	char str[128];
 	const char *s;
 	unsigned char *m=NULL;
 	int i,ret=0;

 	i=RSA_size(x);
 	m=(unsigned char *)Malloc((unsigned int)i+10);
 	if (m == NULL)
 		{
 		RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
 		goto err;
 		}

 	if (off)
 		{
 		if (off > 128) off=128;
 		memset(str,' ',off);
 		}
 	if (x->d != NULL)
 		{
 		if (off && (BIO_write(bp,str,off) <= 0)) goto err;
 		if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
 			<= 0) goto err;
 		}

 	if (x->d == NULL)
 		sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
 	else
 		strcpy(str,"modulus:");
 	if (!print(bp,str,x->n,m,off)) goto err;
 	s=(x->d == NULL)?"Exponent:":"publicExponent:";
 	if (!print(bp,s,x->e,m,off)) goto err;
 	if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
 	if (!print(bp,"prime1:",x->p,m,off)) goto err;
 	if (!print(bp,"prime2:",x->q,m,off)) goto err;
 	if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
 	if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
 	if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
 	ret=1;
 err:
 	if (m != NULL) Free((char *)m);
 	return(ret);
 	}
 #endif /* NO_RSA */

 #ifndef NO_DSA
 #ifndef NO_FP_API
 int DSA_print_fp(FILE *fp, DSA *x, int off)
 	{
 	BIO *b;
 	int ret;

 	if ((b=BIO_new(BIO_s_file())) == NULL)
 		{
 		DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
 		return(0);
 		}
 	BIO_set_fp(b,fp,BIO_NOCLOSE);
 	ret=DSA_print(b,x,off);
 	BIO_free(b);
 	return(ret);
 	}
 #endif

 int DSA_print(BIO *bp, DSA *x, int off)
 	{
 	char str[128];
 	unsigned char *m=NULL;
 	int i,ret=0;
 	BIGNUM *bn=NULL;

 	if (x->p != NULL)
 		bn=x->p;
 	else if (x->priv_key != NULL)
 		bn=x->priv_key;
 	else if (x->pub_key != NULL)
 		bn=x->pub_key;

 	/* larger than needed but what the hell :-) */
 	if (bn != NULL)
 		i=BN_num_bytes(bn)*2;
 	else
 		i=256;
 	m=(unsigned char *)Malloc((unsigned int)i+10);
 	if (m == NULL)
 		{
 		DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
 		goto err;
 		}

 	if (off)
 		{
 		if (off > 128) off=128;
 		memset(str,' ',off);
 		}
 	if (x->priv_key != NULL)
 		{
 		if (off && (BIO_write(bp,str,off) <= 0)) goto err;
 		if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
 			<= 0) goto err;
 		}

 	if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
 		goto err;
 	if ((x->pub_key  != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
 		goto err;
 	if ((x->p != NULL) && !print(bp,"P:   ",x->p,m,off)) goto err;
 	if ((x->q != NULL) && !print(bp,"Q:   ",x->q,m,off)) goto err;
 	if ((x->g != NULL) && !print(bp,"G:   ",x->g,m,off)) goto err;
 	ret=1;
 err:
 	if (m != NULL) Free((char *)m);
 	return(ret);
 	}
 #endif /* !NO_DSA */

 static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
 	     int off)
 	{
 	int n,i;
 	char str[128];
 	const char *neg;

 	if (num == NULL) return(1);
 	neg=(num->neg)?"-":"";
 	if (off)
 		{
 		if (off > 128) off=128;
 		memset(str,' ',off);
 		if (BIO_write(bp,str,off) <= 0) return(0);
 		}

 	if (BN_num_bytes(num) <= BN_BYTES)
 		{
 		if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
 			(unsigned long)num->d[0],neg,(unsigned long)num->d[0])
 			<= 0) return(0);
 		}
 	else
 		{
 		buf[0]=0;
 		if (BIO_printf(bp,"%s%s",number,
 			(neg[0] == '-')?" (Negative)":"") <= 0)
 			return(0);
 		n=BN_bn2bin(num,&buf[1]);

 		if (buf[1] & 0x80)
 			n++;
 		else	buf++;

 		for (i=0; i<n; i++)
 			{
 			if ((i%15) == 0)
 				{
 				str[0]='\n';
 				memset(&(str[1]),' ',off+4);
 				if (BIO_write(bp,str,off+1+4) <= 0) return(0);
 				}
 			if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
 				<= 0) return(0);
 			}
 		if (BIO_write(bp,"\n",1) <= 0) return(0);
 		}
 	return(1);
 	}

 #ifndef NO_DH
 #ifndef NO_FP_API
 int DHparams_print_fp(FILE *fp, DH *x)
         {
         BIO *b;
         int ret;

         if ((b=BIO_new(BIO_s_file())) == NULL)
 		{
 		DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
                 return(0);
 		}
         BIO_set_fp(b,fp,BIO_NOCLOSE);
         ret=DHparams_print(b, x);
         BIO_free(b);
         return(ret);
         }
 #endif

 int DHparams_print(BIO *bp, DH *x)
 	{
 	unsigned char *m=NULL;
 	int reason=ERR_R_BUF_LIB,i,ret=0;

 	i=BN_num_bytes(x->p);
 	m=(unsigned char *)Malloc((unsigned int)i+10);
 	if (m == NULL)
 		{
 		reason=ERR_R_MALLOC_FAILURE;
 		goto err;
 		}

 	if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
 		BN_num_bits(x->p)) <= 0)
 		goto err;
 	if (!print(bp,"prime:",x->p,m,4)) goto err;
 	if (!print(bp,"generator:",x->g,m,4)) goto err;
 	if (x->length != 0)
 		{
 		if (BIO_printf(bp,"    recomented-private-length: %d bits\n",
 			(int)x->length) <= 0) goto err;
 		}
 	ret=1;
 	if (0)
 		{
 err:
 		DHerr(DH_F_DHPARAMS_PRINT,reason);
 		}
 	if (m != NULL) Free((char *)m);
 	return(ret);
 	}
 #endif

 #ifndef NO_DSA
 #ifndef NO_FP_API
 int DSAparams_print_fp(FILE *fp, DSA *x)
         {
         BIO *b;
         int ret;

         if ((b=BIO_new(BIO_s_file())) == NULL)
 		{
 		DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
                 return(0);
 		}
         BIO_set_fp(b,fp,BIO_NOCLOSE);
         ret=DSAparams_print(b, x);
         BIO_free(b);
         return(ret);
         }
 #endif

 int DSAparams_print(BIO *bp, DSA *x)
 	{
 	unsigned char *m=NULL;
 	int reason=ERR_R_BUF_LIB,i,ret=0;

 	i=BN_num_bytes(x->p);
 	m=(unsigned char *)Malloc((unsigned int)i+10);
 	if (m == NULL)
 		{
 		reason=ERR_R_MALLOC_FAILURE;
 		goto err;
 		}

 	if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
 		BN_num_bits(x->p)) <= 0)
 		goto err;
 	if (!print(bp,"p:",x->p,m,4)) goto err;
 	if (!print(bp,"q:",x->q,m,4)) goto err;
 	if (!print(bp,"g:",x->g,m,4)) goto err;
 	ret=1;
 err:
 	if (m != NULL) Free((char *)m);
 	DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
 	return(ret);
 	}

 #endif /* !NO_DSA */
	/* crypto/asn1/t_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 <openssl/buffer.h>
	#include <openssl/bn.h>
	#ifndef NO_RSA
	#include <openssl/rsa.h>
	#endif
	#ifndef NO_DH
	#include <openssl/dh.h>
	#endif
	#ifndef NO_DSA
	#include <openssl/dsa.h>
	#endif

	static int print(BIO fp,const char str,BIGNUM *num,
	unsigned char *buf,int off);
	#ifndef NO_RSA
	#ifndef NO_FP_API
	int RSA_print_fp(FILE fp, RSA x, int off)
	{
	BIO *b;
	int ret;

	if ((b=BIO_new(BIO_s_file())) == NULL)
	{
	RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB);
	return(0);
	}
	BIO_set_fp(b,fp,BIO_NOCLOSE);
	ret=RSA_print(b,x,off);
	BIO_free(b);
	return(ret);
	}
	#endif

	int RSA_print(BIO bp, RSA x, int off)
	{
	char str[128];
	const char *s;
	unsigned char *m=NULL;
	int i,ret=0;

	i=RSA_size(x);
	m=(unsigned char *)Malloc((unsigned int)i+10);
	if (m == NULL)
	{
	RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
	goto err;
	}

	if (off)
	{
	if (off > 128) off=128;
	memset(str,' ',off);
	}
	if (x->d != NULL)
	{
	if (off && (BIO_write(bp,str,off) <= 0)) goto err;
	if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->n))
	<= 0) goto err;
	}

	if (x->d == NULL)
	sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
	else
	strcpy(str,"modulus:");
	if (!print(bp,str,x->n,m,off)) goto err;
	s=(x->d == NULL)?"Exponent:":"publicExponent:";
	if (!print(bp,s,x->e,m,off)) goto err;
	if (!print(bp,"privateExponent:",x->d,m,off)) goto err;
	if (!print(bp,"prime1:",x->p,m,off)) goto err;
	if (!print(bp,"prime2:",x->q,m,off)) goto err;
	if (!print(bp,"exponent1:",x->dmp1,m,off)) goto err;
	if (!print(bp,"exponent2:",x->dmq1,m,off)) goto err;
	if (!print(bp,"coefficient:",x->iqmp,m,off)) goto err;
	ret=1;
	err:
	if (m != NULL) Free((char *)m);
	return(ret);
	}
	#endif /* NO_RSA */

	#ifndef NO_DSA
	#ifndef NO_FP_API
	int DSA_print_fp(FILE fp, DSA x, int off)
	{
	BIO *b;
	int ret;

	if ((b=BIO_new(BIO_s_file())) == NULL)
	{
	DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB);
	return(0);
	}
	BIO_set_fp(b,fp,BIO_NOCLOSE);
	ret=DSA_print(b,x,off);
	BIO_free(b);
	return(ret);
	}
	#endif

	int DSA_print(BIO bp, DSA x, int off)
	{
	char str[128];
	unsigned char *m=NULL;
	int i,ret=0;
	BIGNUM *bn=NULL;

	if (x->p != NULL)
	bn=x->p;
	else if (x->priv_key != NULL)
	bn=x->priv_key;
	else if (x->pub_key != NULL)
	bn=x->pub_key;

	/* larger than needed but what the hell :-) */
	if (bn != NULL)
	i=BN_num_bytes(bn)*2;
	else
	i=256;
	m=(unsigned char *)Malloc((unsigned int)i+10);
	if (m == NULL)
	{
	DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);
	goto err;
	}

	if (off)
	{
	if (off > 128) off=128;
	memset(str,' ',off);
	}
	if (x->priv_key != NULL)
	{
	if (off && (BIO_write(bp,str,off) <= 0)) goto err;
	if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p))
	<= 0) goto err;
	}

	if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))
	goto err;
	if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))
	goto err;
	if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;
	if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;
	if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;
	ret=1;
	err:
	if (m != NULL) Free((char *)m);
	return(ret);
	}
	#endif /* !NO_DSA */

	static int print(BIO bp, const char number, BIGNUM num, unsigned char buf,
	int off)
	{
	int n,i;
	char str[128];
	const char *neg;

	if (num == NULL) return(1);
	neg=(num->neg)?"-":"";
	if (off)
	{
	if (off > 128) off=128;
	memset(str,' ',off);
	if (BIO_write(bp,str,off) <= 0) return(0);
	}

	if (BN_num_bytes(num) <= BN_BYTES)
	{
	if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
	(unsigned long)num->d[0],neg,(unsigned long)num->d[0])
	<= 0) return(0);
	}
	else
	{
	buf[0]=0;
	if (BIO_printf(bp,"%s%s",number,
	(neg[0] == '-')?" (Negative)":"") <= 0)
	return(0);
	n=BN_bn2bin(num,&buf[1]);

	if (buf[1] & 0x80)
	n++;
	else buf++;

	for (i=0; i<n; i++)
	{
	if ((i%15) == 0)
	{
	str[0]='\n';
	memset(&(str[1]),' ',off+4);
	if (BIO_write(bp,str,off+1+4) <= 0) return(0);
	}
	if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
	<= 0) return(0);
	}
	if (BIO_write(bp,"\n",1) <= 0) return(0);
	}
	return(1);
	}

	#ifndef NO_DH
	#ifndef NO_FP_API
	int DHparams_print_fp(FILE fp, DH x)
	{
	BIO *b;
	int ret;

	if ((b=BIO_new(BIO_s_file())) == NULL)
	{
	DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB);
	return(0);
	}
	BIO_set_fp(b,fp,BIO_NOCLOSE);
	ret=DHparams_print(b, x);
	BIO_free(b);
	return(ret);
	}
	#endif

	int DHparams_print(BIO bp, DH x)
	{
	unsigned char *m=NULL;
	int reason=ERR_R_BUF_LIB,i,ret=0;

	i=BN_num_bytes(x->p);
	m=(unsigned char *)Malloc((unsigned int)i+10);
	if (m == NULL)
	{
	reason=ERR_R_MALLOC_FAILURE;
	goto err;
	}

	if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n",
	BN_num_bits(x->p)) <= 0)
	goto err;
	if (!print(bp,"prime:",x->p,m,4)) goto err;
	if (!print(bp,"generator:",x->g,m,4)) goto err;
	if (x->length != 0)
	{
	if (BIO_printf(bp," recomented-private-length: %d bits\n",
	(int)x->length) <= 0) goto err;
	}
	ret=1;
	if (0)
	{
	err:
	DHerr(DH_F_DHPARAMS_PRINT,reason);
	}
	if (m != NULL) Free((char *)m);
	return(ret);
	}
	#endif

	#ifndef NO_DSA
	#ifndef NO_FP_API
	int DSAparams_print_fp(FILE fp, DSA x)
	{
	BIO *b;
	int ret;

	if ((b=BIO_new(BIO_s_file())) == NULL)
	{
	DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB);
	return(0);
	}
	BIO_set_fp(b,fp,BIO_NOCLOSE);
	ret=DSAparams_print(b, x);
	BIO_free(b);
	return(ret);
	}
	#endif

	int DSAparams_print(BIO bp, DSA x)
	{
	unsigned char *m=NULL;
	int reason=ERR_R_BUF_LIB,i,ret=0;

	i=BN_num_bytes(x->p);
	m=(unsigned char *)Malloc((unsigned int)i+10);
	if (m == NULL)
	{
	reason=ERR_R_MALLOC_FAILURE;
	goto err;
	}

	if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n",
	BN_num_bits(x->p)) <= 0)
	goto err;
	if (!print(bp,"p:",x->p,m,4)) goto err;
	if (!print(bp,"q:",x->q,m,4)) goto err;
	if (!print(bp,"g:",x->g,m,4)) goto err;
	ret=1;
	err:
	if (m != NULL) Free((char *)m);
	DSAerr(DSA_F_DSAPARAMS_PRINT,reason);
	return(ret);
	}

	#endif /* !NO_DSA */