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+/* apps/gendsa.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_DSA */
+#ifndef OPENSSL_NO_DSA
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "apps.h"
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/bn.h>
+#include <openssl/dsa.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+
+#define DEFBITS 512
+#undef PROG
+#define PROG gendsa_main
+
+int MAIN(int, char **);
+
+int MAIN(int argc, char **argv)
+ {
+ DSA *dsa=NULL;
+ int ret=1;
+ char *outfile=NULL;
+ char *inrand=NULL,*dsaparams=NULL;
+ char *passargout = NULL, *passout = NULL;
+ BIO *out=NULL,*in=NULL;
+ const EVP_CIPHER *enc=NULL;
+#ifndef OPENSSL_NO_ENGINE
+ char *engine=NULL;
+#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;
+
+ argv++;
+ argc--;
+ for (;;)
+ {
+ if (argc <= 0) break;
+ if (strcmp(*argv,"-out") == 0)
+ {
+ if (--argc < 1) goto bad;
+ outfile= *(++argv);
+ }
+ else if (strcmp(*argv,"-passout") == 0)
+ {
+ if (--argc < 1) goto bad;
+ passargout= *(++argv);
+ }
+#ifndef OPENSSL_NO_ENGINE
+ else if (strcmp(*argv,"-engine") == 0)
+ {
+ if (--argc < 1) goto bad;
+ engine= *(++argv);
+ }
+#endif
+ else if (strcmp(*argv,"-rand") == 0)
+ {
+ if (--argc < 1) goto bad;
+ inrand= *(++argv);
+ }
+ else if (strcmp(*argv,"-") == 0)
+ goto bad;
+#ifndef OPENSSL_NO_DES
+ else if (strcmp(*argv,"-des") == 0)
+ enc=EVP_des_cbc();
+ else if (strcmp(*argv,"-des3") == 0)
+ enc=EVP_des_ede3_cbc();
+#endif
+#ifndef OPENSSL_NO_IDEA
+ else if (strcmp(*argv,"-idea") == 0)
+ enc=EVP_idea_cbc();
+#endif
+#ifndef OPENSSL_NO_SEED
+ else if (strcmp(*argv,"-seed") == 0)
+ enc=EVP_seed_cbc();
+#endif
+#ifndef OPENSSL_NO_AES
+ else if (strcmp(*argv,"-aes128") == 0)
+ enc=EVP_aes_128_cbc();
+ else if (strcmp(*argv,"-aes192") == 0)
+ enc=EVP_aes_192_cbc();
+ else if (strcmp(*argv,"-aes256") == 0)
+ enc=EVP_aes_256_cbc();
+#endif
+#ifndef OPENSSL_NO_CAMELLIA
+ else if (strcmp(*argv,"-camellia128") == 0)
+ enc=EVP_camellia_128_cbc();
+ else if (strcmp(*argv,"-camellia192") == 0)
+ enc=EVP_camellia_192_cbc();
+ else if (strcmp(*argv,"-camellia256") == 0)
+ enc=EVP_camellia_256_cbc();
+#endif
+ else if (**argv != '-' && dsaparams == NULL)
+ {
+ dsaparams = *argv;
+ }
+ else
+ goto bad;
+ argv++;
+ argc--;
+ }
+
+ if (dsaparams == NULL)
+ {
+bad:
+ BIO_printf(bio_err,"usage: gendsa [args] dsaparam-file\n");
+ BIO_printf(bio_err," -out file - output the key to 'file'\n");
+#ifndef OPENSSL_NO_DES
+ BIO_printf(bio_err," -des - encrypt the generated key with DES in cbc mode\n");
+ BIO_printf(bio_err," -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
+#endif
+#ifndef OPENSSL_NO_IDEA
+ BIO_printf(bio_err," -idea - encrypt the generated key with IDEA in cbc mode\n");
+#endif
+#ifndef OPENSSL_NO_SEED
+ BIO_printf(bio_err," -seed\n");
+ BIO_printf(bio_err," encrypt PEM output with cbc seed\n");
+#endif
+#ifndef OPENSSL_NO_AES
+ BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
+ BIO_printf(bio_err," encrypt PEM output with cbc aes\n");
+#endif
+#ifndef OPENSSL_NO_CAMELLIA
+ BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
+ BIO_printf(bio_err," encrypt PEM output with cbc camellia\n");
+#endif
+#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," dsaparam-file\n");
+ BIO_printf(bio_err," - a DSA parameter file as generated by the dsaparam command\n");
+ goto end;
+ }
+
+#ifndef OPENSSL_NO_ENGINE
+ setup_engine(bio_err, engine, 0);
+#endif
+
+ if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
+ BIO_printf(bio_err, "Error getting password\n");
+ goto end;
+ }
+
+
+ in=BIO_new(BIO_s_file());
+ if (!(BIO_read_filename(in,dsaparams)))
+ {
+ perror(dsaparams);
+ goto end;
+ }
+
+ if ((dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
+ {
+ BIO_printf(bio_err,"unable to load DSA parameter file\n");
+ goto end;
+ }
+ BIO_free(in);
+ in = NULL;
+
+ out=BIO_new(BIO_s_file());
+ if (out == NULL) 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 (!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));
+
+ BIO_printf(bio_err,"Generating DSA key, %d bits\n",
+ BN_num_bits(dsa->p));
+ if (!DSA_generate_key(dsa)) goto end;
+
+ app_RAND_write_file(NULL, bio_err);
+
+ if (!PEM_write_bio_DSAPrivateKey(out,dsa,enc,NULL,0,NULL, passout))
+ goto end;
+ ret=0;
+end:
+ if (ret != 0)
+ ERR_print_errors(bio_err);
+ if (in != NULL) BIO_free(in);
+ if (out != NULL) BIO_free_all(out);
+ if (dsa != NULL) DSA_free(dsa);
+ if(passout) OPENSSL_free(passout);
+ apps_shutdown();
+ OPENSSL_EXIT(ret);
+ }
+#else /* !OPENSSL_NO_DSA */
+
+# if PEDANTIC
+static void *dummy=&dummy;
+# endif
+
+#endif