/* crypto/dsa/dsatest.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.]

 */

/*

 © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

 */

/* Until the key-gen callbacks are modified to use newer prototypes, we allow

 * deprecated functions for openssl-internal code */

#ifndef SYMBIAN

#ifdef OPENSSL_NO_DEPRECATED

#undef OPENSSL_NO_DEPRECATED

#endif

#endif

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/types.h>

#include <sys/stat.h>

#ifndef SYMBIAN

#include "../e_os.h"

#else

#include "e_os.h"

#endif

#include <openssl/crypto.h>

#include <openssl/rand.h>

#include <openssl/bio.h>

#include <openssl/err.h>

#include <openssl/bn.h>

#ifdef SYMBIAN

#ifdef stdin

#undef stdin

#endif

#ifdef stdout

#undef stdout

#endif

#ifdef stderr

#undef stderr

#endif

#define stdin fp_stdin

#define stdout fp_stdout

#define stderr fp_stderr

extern FILE *fp_stdout;

extern FILE *fp_stderr;

#endif

#ifdef OPENSSL_NO_DSA

int main(int argc, char *argv[])

{

    fprintf(stdout,"No DSA support\n");

    return(0);

}

#else

#include <openssl/dsa.h>

#ifdef OPENSSL_SYS_WIN16

#define MS_CALLBACK     _far _loadds

#else

#define MS_CALLBACK

#endif

static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *arg);

/* seed, out_p, out_q, out_g are taken from the updated Appendix 5 to

 * FIPS PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1 */

static unsigned char seed[20]={

	0xd5,0x01,0x4e,0x4b,0x60,0xef,0x2b,0xa8,0xb6,0x21,0x1b,0x40,

	0x62,0xba,0x32,0x24,0xe0,0x42,0x7d,0xd3,

	};

static unsigned char out_p[]={

	0x8d,0xf2,0xa4,0x94,0x49,0x22,0x76,0xaa,

	0x3d,0x25,0x75,0x9b,0xb0,0x68,0x69,0xcb,

	0xea,0xc0,0xd8,0x3a,0xfb,0x8d,0x0c,0xf7,

	0xcb,0xb8,0x32,0x4f,0x0d,0x78,0x82,0xe5,

	0xd0,0x76,0x2f,0xc5,0xb7,0x21,0x0e,0xaf,

	0xc2,0xe9,0xad,0xac,0x32,0xab,0x7a,0xac,

	0x49,0x69,0x3d,0xfb,0xf8,0x37,0x24,0xc2,

	0xec,0x07,0x36,0xee,0x31,0xc8,0x02,0x91,

	};

static unsigned char out_q[]={

	0xc7,0x73,0x21,0x8c,0x73,0x7e,0xc8,0xee,

	0x99,0x3b,0x4f,0x2d,0xed,0x30,0xf4,0x8e,

	0xda,0xce,0x91,0x5f,

	};

static unsigned char out_g[]={

	0x62,0x6d,0x02,0x78,0x39,0xea,0x0a,0x13,

	0x41,0x31,0x63,0xa5,0x5b,0x4c,0xb5,0x00,

	0x29,0x9d,0x55,0x22,0x95,0x6c,0xef,0xcb,

	0x3b,0xff,0x10,0xf3,0x99,0xce,0x2c,0x2e,

	0x71,0xcb,0x9d,0xe5,0xfa,0x24,0xba,0xbf,

	0x58,0xe5,0xb7,0x95,0x21,0x92,0x5c,0x9c,

	0xc4,0x2e,0x9f,0x6f,0x46,0x4b,0x08,0x8c,

	0xc5,0x72,0xaf,0x53,0xe6,0xd7,0x88,0x02,

	};

static const unsigned char str1[]="12345678901234567890";

static const char rnd_seed[] = "string to make the random number generator think it has entropy";

static BIO *bio_err=NULL;

#ifndef SYMBIAN

int main(int argc, char **argv)

#else

int dsa_main(int argc, char **argv)

#endif

	{

	BN_GENCB cb;

	DSA *dsa=NULL;

	int counter,ret=0,i,j;

	unsigned char buf[256];

	unsigned long h;

	unsigned char sig[256];

	unsigned int siglen;

	if (bio_err == NULL)

		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);

  if(	bio_err == NULL&& errno==ENOMEM)

  {

	  return 1;

	}

	/*CRYPTO_malloc_debug_init();

	if(	bio_err == NULL&& errno==ENOMEM)

  {

	  return 1;

	}

	CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);

	if(	bio_err == NULL&& errno==ENOMEM)

  {

	  return 1;

	}

	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);

	if(	bio_err == NULL&& errno==ENOMEM)

  {

	  return 1;

	}

*/

	ERR_load_crypto_strings();

	RAND_seed(rnd_seed, sizeof rnd_seed);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	BIO_printf(bio_err,"test generation of DSA parameters\n");

	if(errno==ENOMEM)

  {

	  return 1;

	}

	BN_GENCB_set(&cb, dsa_cb, bio_err);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	if(((dsa = DSA_new()) == NULL))

  {				

	  if(errno==ENOMEM)

   	{

	    return 1;

	  }

  }

  if(!DSA_generate_parameters_ex(dsa, 512,

				seed, 20, &counter, &h, &cb))

	{			

    if(errno==ENOMEM)

   	{

   		if (dsa != NULL)

	   {

		 DSA_free(dsa);

	   }	 

	    return 1;

	  }

		goto end;

  } 

	BIO_printf(bio_err,"seed\n");

	if(errno==ENOMEM)

  {

	  return 1;

	}

	for (i=0; i<20; i+=4)

		{

		BIO_printf(bio_err,"%02X%02X%02X%02X ",

			seed[i],seed[i+1],seed[i+2],seed[i+3]);

    if(errno==ENOMEM)

    {

	    return 1;

	  }

		}

	BIO_printf(bio_err,"\ncounter=%d h=%ld\n",counter,h);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	if (dsa == NULL) goto end;

	DSA_print(bio_err,dsa,0);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	if (counter != 105) 

		{

		BIO_printf(bio_err,"counter should be 105\n");

		if(errno==ENOMEM)

    {

	  return 1;

	  }

		goto end;

		}

	if (h != 2)

		{

		BIO_printf(bio_err,"h should be 2\n");

		if(errno==ENOMEM)

    {

	  return 1;

	  }

  	goto end;

		}

	i=BN_bn2bin(dsa->q,buf);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	j=sizeof(out_q);

	if ((i != j) || (memcmp(buf,out_q,i) != 0))

	{

  	if(errno==ENOMEM)

      {

	      return 1;

	    }

		BIO_printf(bio_err,"q value is wrong\n");

		if(errno==ENOMEM)

    {

	    return 1;

	  }

		goto end;

	}

	i=BN_bn2bin(dsa->p,buf);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	j=sizeof(out_p);

	if ((i != j) || (memcmp(buf,out_p,i) != 0))

		{

		if(errno==ENOMEM)

    {

	    return 1;

	  }

		BIO_printf(bio_err,"p value is wrong\n");

		if(errno==ENOMEM)

    {

	   return 1;

	  }

		goto end;

		}

	i=BN_bn2bin(dsa->g,buf);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	j=sizeof(out_g);

	if ((i != j) || (memcmp(buf,out_g,i) != 0))

		{

		if(errno==ENOMEM)

    {

	    return 1;

	  }

		BIO_printf(bio_err,"g value is wrong\n");

		if(errno==ENOMEM)

    {

	    return 1;

	  }

		goto end;

		}

	dsa->flags |= DSA_FLAG_NO_EXP_CONSTTIME;

	DSA_generate_key(dsa);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	DSA_sign(0, str1, 20, sig, &siglen, dsa);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)

		ret=1;

  if(errno==ENOMEM)

  {

	  return 1;

	}

	dsa->flags &= ~DSA_FLAG_NO_EXP_CONSTTIME;

	DSA_generate_key(dsa);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	DSA_sign(0, str1, 20, sig, &siglen, dsa);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)

		ret=1;

  if(errno==ENOMEM)

  {

	  return 1;

	}

end:

	if (!ret)

	{

		ERR_print_errors(bio_err);

		if(errno==ENOMEM)

    {

	    return 1;

	  }

	}	

	if (dsa != NULL)

	{

		 DSA_free(dsa);

		 if(errno==ENOMEM)

     {

	    return 1;

	   }

	}	 

	CRYPTO_mem_leaks(bio_err);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	if (bio_err != NULL)

		{

		BIO_free(bio_err);

		bio_err = NULL;

		if(errno==ENOMEM)

    {

	   return 1;

	  }

   }

#ifdef SYMBIAN	

	CRYPTO_cleanup_all_ex_data();

		if(errno==ENOMEM)

  {

	  return 1;

	}

#endif

	ERR_remove_state(0);

	if(errno==ENOMEM)

  {

	  return 1;

	}

	ERR_free_strings();

	if(errno==ENOMEM)

  {

	  return 1;

	}

#ifdef OPENSSL_SYS_NETWARE

    if (!ret) fprintf(stdout,"ERROR\n");

#endif

  fprintf(stdout,"Test Case Passed!\n");

  fprintf(stderr,"Test Case Passed!\n");

	//EXIT(!ret);

	return(0);

	}

static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *arg)

	{

	char c='*';

	static int ok=0,num=0;

	if (p == 0) { c='.'; num++; };

	if (p == 1) c='+';

	if (p == 2) { c='*'; ok++; }

	if (p == 3) c='\n';

	BIO_write(arg->arg,&c,1);

	if(errno==ENOMEM)

  {

	    return 0;

	}  

	(void)BIO_flush(arg->arg);

  if(errno==ENOMEM)

  {

	    return 0;

	}  

	if (!ok && (p == 0) && (num > 1))

		{

		BIO_printf((BIO *)arg,"error in dsatest\n");

		return 0;

		}

	return 1;

	}

#endif