Delete bundled copy of OpenSSL and replace with README.

openssl/apps/dhparam.c

Index: openssl/apps/dhparam.c
diff --git a/openssl/apps/dhparam.c b/openssl/apps/dhparam.c
deleted file mode 100644
index 1297d6fb5ec9bf391c487436dd1b07bbeb4bb8a6..0000000000000000000000000000000000000000
--- a/openssl/apps/dhparam.c
+++ /dev/null
@@ -1,559 +0,0 @@
-/* apps/dhparam.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.]
- */
-/* ====================================================================
- * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
- *
- * 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 above 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 acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#include <openssl/opensslconf.h>	/* for OPENSSL_NO_DH */
-#ifndef OPENSSL_NO_DH
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-#include "apps.h"
-#include <openssl/bio.h>
-#include <openssl/err.h>
-#include <openssl/bn.h>
-#include <openssl/dh.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-
-#ifndef OPENSSL_NO_DSA
-#include <openssl/dsa.h>
-#endif
-
-#undef PROG
-#define PROG	dhparam_main
-
-#define DEFBITS	512
-
-/* -inform arg	- input format - default PEM (DER or PEM)
- * -outform arg - output format - default PEM
- * -in arg	- input file - default stdin
- * -out arg	- output file - default stdout
- * -dsaparam  - read or generate DSA parameters, convert to DH
- * -check	- check the parameters are ok
- * -noout
- * -text
- * -C
- */
-
-static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb);
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
-	{
-	DH *dh=NULL;
-	int i,badops=0,text=0;
-#ifndef OPENSSL_NO_DSA
-	int dsaparam=0;
-#endif
-	BIO *in=NULL,*out=NULL;
-	int informat,outformat,check=0,noout=0,C=0,ret=1;
-	char *infile,*outfile,*prog;
-	char *inrand=NULL;
-#ifndef OPENSSL_NO_ENGINE
-	char *engine=NULL;
-#endif
-	int num = 0, g = 0;
-
-	apps_startup();
-
-	if (bio_err == NULL)
-		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
-			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
-
-	if (!load_config(bio_err, NULL))
-		goto end;
-
-	infile=NULL;
-	outfile=NULL;
-	informat=FORMAT_PEM;
-	outformat=FORMAT_PEM;
-
-	prog=argv[0];
-	argc--;
-	argv++;
-	while (argc >= 1)
-		{
-		if 	(strcmp(*argv,"-inform") == 0)
-			{
-			if (--argc < 1) goto bad;
-			informat=str2fmt(*(++argv));
-			}
-		else if (strcmp(*argv,"-outform") == 0)
-			{
-			if (--argc < 1) goto bad;
-			outformat=str2fmt(*(++argv));
-			}
-		else if (strcmp(*argv,"-in") == 0)
-			{
-			if (--argc < 1) goto bad;
-			infile= *(++argv);
-			}
-		else if (strcmp(*argv,"-out") == 0)
-			{
-			if (--argc < 1) goto bad;
-			outfile= *(++argv);
-			}
-#ifndef OPENSSL_NO_ENGINE
-		else if (strcmp(*argv,"-engine") == 0)
-			{
-			if (--argc < 1) goto bad;
-			engine= *(++argv);
-			}
-#endif
-		else if (strcmp(*argv,"-check") == 0)
-			check=1;
-		else if (strcmp(*argv,"-text") == 0)
-			text=1;
-#ifndef OPENSSL_NO_DSA
-		else if (strcmp(*argv,"-dsaparam") == 0)
-			dsaparam=1;
-#endif
-		else if (strcmp(*argv,"-C") == 0)
-			C=1;
-		else if (strcmp(*argv,"-noout") == 0)
-			noout=1;
-		else if (strcmp(*argv,"-2") == 0)
-			g=2;
-		else if (strcmp(*argv,"-5") == 0)
-			g=5;
-		else if (strcmp(*argv,"-rand") == 0)
-			{
-			if (--argc < 1) goto bad;
-			inrand= *(++argv);
-			}
-		else if (((sscanf(*argv,"%d",&num) == 0) || (num <= 0)))
-			goto bad;
-		argv++;
-		argc--;
-		}
-
-	if (badops)
-		{
-bad:
-		BIO_printf(bio_err,"%s [options] [numbits]\n",prog);
-		BIO_printf(bio_err,"where options are\n");
-		BIO_printf(bio_err," -inform arg   input format - one of DER PEM\n");
-		BIO_printf(bio_err," -outform arg  output format - one of DER PEM\n");
-		BIO_printf(bio_err," -in arg       input file\n");
-		BIO_printf(bio_err," -out arg      output file\n");
-#ifndef OPENSSL_NO_DSA
-		BIO_printf(bio_err," -dsaparam     read or generate DSA parameters, convert to DH\n");
-#endif
-		BIO_printf(bio_err," -check        check the DH parameters\n");
-		BIO_printf(bio_err," -text         print a text form of the DH parameters\n");
-		BIO_printf(bio_err," -C            Output C code\n");
-		BIO_printf(bio_err," -2            generate parameters using  2 as the generator value\n");
-		BIO_printf(bio_err," -5            generate parameters using  5 as the generator value\n");
-		BIO_printf(bio_err," numbits       number of bits in to generate (default 512)\n");
-#ifndef OPENSSL_NO_ENGINE
-		BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
-#endif
-		BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
-		BIO_printf(bio_err,"               - load the file (or the files in the directory) into\n");
-		BIO_printf(bio_err,"               the random number generator\n");
-		BIO_printf(bio_err," -noout        no output\n");
-		goto end;
-		}
-
-	ERR_load_crypto_strings();
-
-#ifndef OPENSSL_NO_ENGINE
-        setup_engine(bio_err, engine, 0);
-#endif
-
-	if (g && !num)
-		num = DEFBITS;
-
-#ifndef OPENSSL_NO_DSA
-	if (dsaparam)
-		{
-		if (g)
-			{
-			BIO_printf(bio_err, "generator may not be chosen for DSA parameters\n");
-			goto end;
-			}
-		}
-	else
-#endif
-		{
-		/* DH parameters */
-		if (num && !g)
-			g = 2;
-		}
-
-	if(num) {
-
-		BN_GENCB cb;
-		BN_GENCB_set(&cb, dh_cb, bio_err);
-		if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL)
-			{
-			BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
-			}
-		if (inrand != NULL)
-			BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
-				app_RAND_load_files(inrand));
-
-#ifndef OPENSSL_NO_DSA
-		if (dsaparam)
-			{
-			DSA *dsa = DSA_new();
-			
-			BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
-			if(!dsa || !DSA_generate_parameters_ex(dsa, num,
-						NULL, 0, NULL, NULL, &cb))
-				{
-				if(dsa) DSA_free(dsa);
-				ERR_print_errors(bio_err);
-				goto end;
-				}
-
-			dh = DSA_dup_DH(dsa);
-			DSA_free(dsa);
-			if (dh == NULL)
-				{
-				ERR_print_errors(bio_err);
-				goto end;
-				}
-			}
-		else
-#endif
-			{
-			dh = DH_new();
-			BIO_printf(bio_err,"Generating DH parameters, %d bit long safe prime, generator %d\n",num,g);
-			BIO_printf(bio_err,"This is going to take a long time\n");
-			if(!dh || !DH_generate_parameters_ex(dh, num, g, &cb))
-				{
-				ERR_print_errors(bio_err);
-				goto end;
-				}
-			}
-
-		app_RAND_write_file(NULL, bio_err);
-	} else {
-
-		in=BIO_new(BIO_s_file());
-		if (in == NULL)
-			{
-			ERR_print_errors(bio_err);
-			goto end;
-			}
-		if (infile == NULL)
-			BIO_set_fp(in,stdin,BIO_NOCLOSE);
-		else
-			{
-			if (BIO_read_filename(in,infile) <= 0)
-				{
-				perror(infile);
-				goto end;
-				}
-			}
-
-		if	(informat != FORMAT_ASN1 && informat != FORMAT_PEM)
-			{
-			BIO_printf(bio_err,"bad input format specified\n");
-			goto end;
-			}
-
-#ifndef OPENSSL_NO_DSA
-		if (dsaparam)
-			{
-			DSA *dsa;
-			
-			if (informat == FORMAT_ASN1)
-				dsa=d2i_DSAparams_bio(in,NULL);
-			else /* informat == FORMAT_PEM */
-				dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL);
-			
-			if (dsa == NULL)
-				{
-				BIO_printf(bio_err,"unable to load DSA parameters\n");
-				ERR_print_errors(bio_err);
-				goto end;
-				}
-			
-			dh = DSA_dup_DH(dsa);
-			DSA_free(dsa);
-			if (dh == NULL)
-				{
-				ERR_print_errors(bio_err);
-				goto end;
-				}
-			}
-		else
-#endif
-			{
-			if (informat == FORMAT_ASN1)
-				dh=d2i_DHparams_bio(in,NULL);
-			else /* informat == FORMAT_PEM */
-				dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL);
-			
-			if (dh == NULL)
-				{
-				BIO_printf(bio_err,"unable to load DH parameters\n");
-				ERR_print_errors(bio_err);
-				goto end;
-				}
-			}
-		
-		/* dh != NULL */
-	}
-	
-	out=BIO_new(BIO_s_file());
-	if (out == NULL)
-		{
-		ERR_print_errors(bio_err);
-		goto end;
-		}
-	if (outfile == NULL)
-		{
-		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
-		{
-		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
-		out = BIO_push(tmpbio, out);
-		}
-#endif
-		}
-	else
-		{
-		if (BIO_write_filename(out,outfile) <= 0)
-			{
-			perror(outfile);
-			goto end;
-			}
-		}
-
-
-	if (text)
-		{
-		DHparams_print(out,dh);
-		}
-	
-	if (check)
-		{
-		if (!DH_check(dh,&i))
-			{
-			ERR_print_errors(bio_err);
-			goto end;
-			}
-		if (i & DH_CHECK_P_NOT_PRIME)
-			printf("p value is not prime\n");
-		if (i & DH_CHECK_P_NOT_SAFE_PRIME)
-			printf("p value is not a safe prime\n");
-		if (i & DH_UNABLE_TO_CHECK_GENERATOR)
-			printf("unable to check the generator value\n");
-		if (i & DH_NOT_SUITABLE_GENERATOR)
-			printf("the g value is not a generator\n");
-		if (i == 0)
-			printf("DH parameters appear to be ok.\n");
-		}
-	if (C)
-		{
-		unsigned char *data;
-		int len,l,bits;
-
-		len=BN_num_bytes(dh->p);
-		bits=BN_num_bits(dh->p);
-		data=(unsigned char *)OPENSSL_malloc(len);
-		if (data == NULL)
-			{
-			perror("OPENSSL_malloc");
-			goto end;
-			}
-		printf("#ifndef HEADER_DH_H\n"
-		       "#include <openssl/dh.h>\n"
-		       "#endif\n");
-		printf("DH *get_dh%d()\n\t{\n",bits);
-
-		l=BN_bn2bin(dh->p,data);
-		printf("\tstatic unsigned char dh%d_p[]={",bits);
-		for (i=0; i<l; i++)
-			{
-			if ((i%12) == 0) printf("\n\t\t");
-			printf("0x%02X,",data[i]);
-			}
-		printf("\n\t\t};\n");
-
-		l=BN_bn2bin(dh->g,data);
-		printf("\tstatic unsigned char dh%d_g[]={",bits);
-		for (i=0; i<l; i++)
-			{
-			if ((i%12) == 0) printf("\n\t\t");
-			printf("0x%02X,",data[i]);
-			}
-		printf("\n\t\t};\n");
-
-		printf("\tDH *dh;\n\n");
-		printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n");
-		printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n",
-			bits,bits);
-		printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n",
-			bits,bits);
-		printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n");
-		printf("\t\t{ DH_free(dh); return(NULL); }\n");
-		if (dh->length)
-			printf("\tdh->length = %ld;\n", dh->length);
-		printf("\treturn(dh);\n\t}\n");
-		OPENSSL_free(data);
-		}
-
-
-	if (!noout)
-		{
-		if 	(outformat == FORMAT_ASN1)
-			i=i2d_DHparams_bio(out,dh);
-		else if (outformat == FORMAT_PEM)
-			i=PEM_write_bio_DHparams(out,dh);
-		else	{
-			BIO_printf(bio_err,"bad output format specified for outfile\n");
-			goto end;
-			}
-		if (!i)
-			{
-			BIO_printf(bio_err,"unable to write DH parameters\n");
-			ERR_print_errors(bio_err);
-			goto end;
-			}
-		}
-	ret=0;
-end:
-	if (in != NULL) BIO_free(in);
-	if (out != NULL) BIO_free_all(out);
-	if (dh != NULL) DH_free(dh);
-	apps_shutdown();
-	OPENSSL_EXIT(ret);
-	}
-
-/* dh_cb is identical to dsa_cb in apps/dsaparam.c */
-static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb)
-	{
-	char c='*';
-
-	if (p == 0) c='.';
-	if (p == 1) c='+';
-	if (p == 2) c='*';
-	if (p == 3) c='\n';
-	BIO_write(cb->arg,&c,1);
-	(void)BIO_flush(cb->arg);
-#ifdef LINT
-	p=n;
-#endif
-	return 1;
-	}
-
-#else /* !OPENSSL_NO_DH */
-
-# if PEDANTIC
-static void *dummy=&dummy;
-# endif
-
-#endif