Delete bundled copy of OpenSSL and replace with README.

openssl/apps/dh.c

Index: openssl/apps/dh.c
diff --git a/openssl/apps/dh.c b/openssl/apps/dh.c
deleted file mode 100644
index dee9c01fcec1e10419cccc6549f70b467666c6a5..0000000000000000000000000000000000000000
--- a/openssl/apps/dh.c
+++ /dev/null
@@ -1,355 +0,0 @@
-/* apps/dh.c */
-/* obsoleted by 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.]
- */
-
-#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>
-
-#undef PROG
-#define PROG	dh_main
-
-/* -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
- * -check	- check the parameters are ok
- * -noout
- * -text
- * -C
- */
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
-	{
-	DH *dh=NULL;
-	int i,badops=0,text=0;
-	BIO *in=NULL,*out=NULL;
-	int informat,outformat,check=0,noout=0,C=0,ret=1;
-	char *infile,*outfile,*prog;
-#ifndef OPENSSL_NO_ENGINE
-	char *engine;
-#endif
-
-	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;
-
-#ifndef OPENSSL_NO_ENGINE
-	engine=NULL;
-#endif
-	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;
-		else if (strcmp(*argv,"-C") == 0)
-			C=1;
-		else if (strcmp(*argv,"-noout") == 0)
-			noout=1;
-		else
-			{
-			BIO_printf(bio_err,"unknown option %s\n",*argv);
-			badops=1;
-			break;
-			}
-		argc--;
-		argv++;
-		}
-
-	if (badops)
-		{
-bad:
-		BIO_printf(bio_err,"%s [options] <infile >outfile\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");
-		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," -noout        no output\n");
-#ifndef OPENSSL_NO_ENGINE
-		BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
-#endif
-		goto end;
-		}
-
-	ERR_load_crypto_strings();
-
-#ifndef OPENSSL_NO_ENGINE
-        setup_engine(bio_err, engine, 0);
-#endif
-
-	in=BIO_new(BIO_s_file());
-	out=BIO_new(BIO_s_file());
-	if ((in == NULL) || (out == 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 (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	(informat == FORMAT_ASN1)
-		dh=d2i_DHparams_bio(in,NULL);
-	else if (informat == FORMAT_PEM)
-		dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL);
-	else
-		{
-		BIO_printf(bio_err,"bad input format specified\n");
-		goto end;
-		}
-	if (dh == NULL)
-		{
-		BIO_printf(bio_err,"unable to load DH parameters\n");
-		ERR_print_errors(bio_err);
-		goto end;
-		}
-
-	
-
-	if (text)
-		{
-		DHparams_print(out,dh);
-#ifdef undef
-		printf("p=");
-		BN_print(stdout,dh->p);
-		printf("\ng=");
-		BN_print(stdout,dh->g);
-		printf("\n");
-		if (dh->length != 0)
-			printf("recommended private length=%ld\n",dh->length);
-#endif
-		}
-	
-	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;
-			}
-		l=BN_bn2bin(dh->p,data);
-		printf("static unsigned char dh%d_p[]={",bits);
-		for (i=0; i<l; i++)
-			{
-			if ((i%12) == 0) printf("\n\t");
-			printf("0x%02X,",data[i]);
-			}
-		printf("\n\t};\n");
-
-		l=BN_bn2bin(dh->g,data);
-		printf("static unsigned char dh%d_g[]={",bits);
-		for (i=0; i<l; i++)
-			{
-			if ((i%12) == 0) printf("\n\t");
-			printf("0x%02X,",data[i]);
-			}
-		printf("\n\t};\n\n");
-
-		printf("DH *get_dh%d()\n\t{\n",bits);
-		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\treturn(NULL);\n");
-		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);
-	}
-#else /* !OPENSSL_NO_DH */
-
-# if PEDANTIC
-static void *dummy=&dummy;
-# endif
-
-#endif