-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2018 The OpenSSL Project Authors. 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.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
-#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
-#ifndef OPENSSL_NO_DSA
+#include <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_DSA
+NON_EMPTY_TRANSLATION_UNIT
+#else
+
# include <stdio.h>
# include <string.h>
# include <sys/types.h>
# include <sys/stat.h>
# include "apps.h"
+# include "progs.h"
# include <openssl/bio.h>
# include <openssl/err.h>
# include <openssl/bn.h>
# include <openssl/x509.h>
# include <openssl/pem.h>
-# define DEFBITS 512
-
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
- OPT_OUT, OPT_PASSOUT, OPT_ENGINE, OPT_RAND, OPT_CIPHER
+ OPT_OUT, OPT_PASSOUT, OPT_ENGINE, OPT_CIPHER,
+ OPT_R_ENUM
} OPTION_CHOICE;
-OPTIONS gendsa_options[] = {
+const OPTIONS gendsa_options[] = {
{OPT_HELP_STR, 1, '-', "Usage: %s [args] dsaparam-file\n"},
{OPT_HELP_STR, 1, '-', "Valid options are:\n"},
{"help", OPT_HELP, '-', "Display this summary"},
{"out", OPT_OUT, '>', "Output the key to the specified file"},
- {"passout", OPT_PASSOUT, 's'},
- {"rand", OPT_RAND, 's',
- "Load the file(s) into the random number generator"},
+ {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
+ OPT_R_OPTIONS,
{"", OPT_CIPHER, '-', "Encrypt the output with any supported cipher"},
# ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
int gendsa_main(int argc, char **argv)
{
+ ENGINE *e = NULL;
BIO *out = NULL, *in = NULL;
DSA *dsa = NULL;
const EVP_CIPHER *enc = NULL;
- char *inrand = NULL, *dsaparams = NULL;
+ char *dsaparams = NULL;
char *outfile = NULL, *passoutarg = NULL, *passout = NULL, *prog;
OPTION_CHOICE o;
int ret = 1, private = 0;
+ const BIGNUM *p = NULL;
prog = opt_init(argc, argv, gendsa_options);
while ((o = opt_next()) != OPT_EOF) {
passoutarg = opt_arg();
break;
case OPT_ENGINE:
- (void)setup_engine(opt_arg(), 0);
+ e = setup_engine(opt_arg(), 0);
break;
- case OPT_RAND:
- inrand = opt_arg();
+ case OPT_R_CASES:
+ if (!opt_rand(o))
+ goto end;
break;
case OPT_CIPHER:
if (!opt_cipher(opt_unknown(), &enc))
goto end;
}
- if (!app_load_modules(NULL))
- goto end;
-
- in = bio_open_default(dsaparams, "r");
+ in = bio_open_default(dsaparams, 'r', FORMAT_PEM);
if (in == NULL)
goto end2;
BIO_free(in);
in = NULL;
- out = bio_open_owner(outfile, "w", private);
+ out = bio_open_owner(outfile, FORMAT_PEM, private);
if (out == NULL)
goto end2;
- if (!app_RAND_load_file(NULL, 1) && inrand == NULL) {
+ DSA_get0_pqg(dsa, &p, NULL, NULL);
+
+ if (BN_num_bits(p) > OPENSSL_DSA_MAX_MODULUS_BITS)
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));
+ "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
+ " Your key size is %d! Larger key size may behave not as expected.\n",
+ OPENSSL_DSA_MAX_MODULUS_BITS, BN_num_bits(p));
- BIO_printf(bio_err, "Generating DSA key, %d bits\n", BN_num_bits(dsa->p));
+ BIO_printf(bio_err, "Generating DSA key, %d bits\n", BN_num_bits(p));
if (!DSA_generate_key(dsa))
goto end;
- app_RAND_write_file(NULL);
-
assert(private);
if (!PEM_write_bio_DSAPrivateKey(out, dsa, enc, NULL, 0, NULL, passout))
goto end;
BIO_free(in);
BIO_free_all(out);
DSA_free(dsa);
+ release_engine(e);
OPENSSL_free(passout);
- return (ret);
+ return ret;
}
-#else /* !OPENSSL_NO_DSA */
-
-# if PEDANTIC
-static void *dummy = &dummy;
-# endif
-
#endif
projects / openssl.git / blobdiff