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/* $OpenBSD: gendsa.c,v 1.8 2017/01/20 08:57:12 deraadt Exp $ */ |
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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* All rights reserved. |
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* |
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* This package is an SSL implementation written |
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* by Eric Young (eay@cryptsoft.com). |
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* The implementation was written so as to conform with Netscapes SSL. |
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* |
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* This library is free for commercial and non-commercial use as long as |
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* the following conditions are aheared to. The following conditions |
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* apply to all code found in this distribution, be it the RC4, RSA, |
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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* included with this distribution is covered by the same copyright terms |
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* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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* |
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* Copyright remains Eric Young's, and as such any Copyright notices in |
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* the code are not to be removed. |
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* If this package is used in a product, Eric Young should be given attribution |
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* as the author of the parts of the library used. |
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* This can be in the form of a textual message at program startup or |
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* in documentation (online or textual) provided with the package. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* "This product includes cryptographic software written by |
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* Eric Young (eay@cryptsoft.com)" |
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* The word 'cryptographic' can be left out if the rouines from the library |
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* being used are not cryptographic related :-). |
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* 4. If you include any Windows specific code (or a derivative thereof) from |
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* the apps directory (application code) you must include an acknowledgement: |
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* The licence and distribution terms for any publically available version or |
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* derivative of this code cannot be changed. i.e. this code cannot simply be |
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* copied and put under another distribution licence |
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* [including the GNU Public Licence.] |
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*/ |
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#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include "apps.h" |
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#include <openssl/bio.h> |
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#include <openssl/bn.h> |
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#include <openssl/dsa.h> |
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#include <openssl/err.h> |
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#include <openssl/pem.h> |
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#include <openssl/x509.h> |
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int |
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gendsa_main(int argc, char **argv) |
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{ |
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DSA *dsa = NULL; |
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int ret = 1; |
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char *outfile = NULL; |
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char *dsaparams = NULL; |
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char *passargout = NULL, *passout = NULL; |
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BIO *out = NULL, *in = NULL; |
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const EVP_CIPHER *enc = NULL; |
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✓✗ |
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if (single_execution) { |
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✗✓ |
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if (pledge("stdio cpath wpath rpath tty flock", NULL) == -1) { |
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perror("pledge"); |
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exit(1); |
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} |
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} |
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argv++; |
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argc--; |
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for (;;) { |
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✓✓ |
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if (argc <= 0) |
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break; |
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✓✓ |
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if (strcmp(*argv, "-out") == 0) { |
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✓✗ |
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if (--argc < 1) |
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goto bad; |
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outfile = *(++argv); |
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✓✓ |
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} else if (strcmp(*argv, "-passout") == 0) { |
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✓✗ |
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if (--argc < 1) |
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goto bad; |
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passargout = *(++argv); |
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} |
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✓✗ |
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else if (strcmp(*argv, "-") == 0) |
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goto bad; |
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#ifndef OPENSSL_NO_DES |
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✗✓ |
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else if (strcmp(*argv, "-des") == 0) |
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enc = EVP_des_cbc(); |
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✓✓ |
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else if (strcmp(*argv, "-des3") == 0) |
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enc = EVP_des_ede3_cbc(); |
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#endif |
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#ifndef OPENSSL_NO_IDEA |
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✗✓ |
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else if (strcmp(*argv, "-idea") == 0) |
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enc = EVP_idea_cbc(); |
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#endif |
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#ifndef OPENSSL_NO_AES |
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✗✓ |
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else if (strcmp(*argv, "-aes128") == 0) |
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enc = EVP_aes_128_cbc(); |
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✗✓ |
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else if (strcmp(*argv, "-aes192") == 0) |
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enc = EVP_aes_192_cbc(); |
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✗✓ |
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else if (strcmp(*argv, "-aes256") == 0) |
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enc = EVP_aes_256_cbc(); |
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#endif |
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#ifndef OPENSSL_NO_CAMELLIA |
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✗✓ |
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else if (strcmp(*argv, "-camellia128") == 0) |
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enc = EVP_camellia_128_cbc(); |
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✗✓ |
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else if (strcmp(*argv, "-camellia192") == 0) |
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enc = EVP_camellia_192_cbc(); |
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✗✓ |
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else if (strcmp(*argv, "-camellia256") == 0) |
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enc = EVP_camellia_256_cbc(); |
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#endif |
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✓✓ |
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else if (**argv != '-' && dsaparams == NULL) { |
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dsaparams = *argv; |
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} else |
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goto bad; |
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argv++; |
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argc--; |
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} |
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✗✓ |
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if (dsaparams == NULL) { |
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bad: |
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BIO_printf(bio_err, "usage: gendsa [args] dsaparam-file\n"); |
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BIO_printf(bio_err, " -out file - output the key to 'file'\n"); |
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#ifndef OPENSSL_NO_DES |
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BIO_printf(bio_err, " -des - encrypt the generated key with DES in cbc mode\n"); |
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BIO_printf(bio_err, " -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); |
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#endif |
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#ifndef OPENSSL_NO_IDEA |
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BIO_printf(bio_err, " -idea - encrypt the generated key with IDEA in cbc mode\n"); |
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#endif |
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#ifndef OPENSSL_NO_AES |
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BIO_printf(bio_err, " -aes128, -aes192, -aes256\n"); |
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BIO_printf(bio_err, " encrypt PEM output with cbc aes\n"); |
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#endif |
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#ifndef OPENSSL_NO_CAMELLIA |
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BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n"); |
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BIO_printf(bio_err, " encrypt PEM output with cbc camellia\n"); |
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#endif |
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BIO_printf(bio_err, " dsaparam-file\n"); |
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BIO_printf(bio_err, " - a DSA parameter file as generated by the dsaparam command\n"); |
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goto end; |
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} |
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✗✓ |
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if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { |
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BIO_printf(bio_err, "Error getting password\n"); |
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goto end; |
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} |
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in = BIO_new(BIO_s_file()); |
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✗✓ |
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if (!(BIO_read_filename(in, dsaparams))) { |
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perror(dsaparams); |
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goto end; |
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} |
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✗✓ |
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if ((dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL)) == NULL) { |
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BIO_printf(bio_err, "unable to load DSA parameter file\n"); |
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goto end; |
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} |
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BIO_free(in); |
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in = NULL; |
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out = BIO_new(BIO_s_file()); |
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✓✗ |
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if (out == NULL) |
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goto end; |
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✗✓ |
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if (outfile == NULL) { |
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BIO_set_fp(out, stdout, BIO_NOCLOSE); |
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} else { |
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✗✓ |
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if (BIO_write_filename(out, outfile) <= 0) { |
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perror(outfile); |
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goto end; |
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} |
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} |
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BIO_printf(bio_err, "Generating DSA key, %d bits\n", |
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BN_num_bits(dsa->p)); |
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✓✗ |
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if (!DSA_generate_key(dsa)) |
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goto end; |
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✓✗ |
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if (!PEM_write_bio_DSAPrivateKey(out, dsa, enc, NULL, 0, NULL, passout)) |
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goto end; |
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ret = 0; |
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end: |
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✓✓ |
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if (ret != 0) |
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ERR_print_errors(bio_err); |
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BIO_free(in); |
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✓✓ |
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if (out != NULL) |
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BIO_free_all(out); |
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✓✓ |
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if (dsa != NULL) |
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DSA_free(dsa); |
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free(passout); |
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return (ret); |
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} |