--- /dev/null
+/* 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
projects / cassiopeia.git / blobdiff