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374 lines
12 KiB
374 lines
12 KiB
/* apps/dsa.c */ |
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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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#ifndef OPENSSL_NO_DSA |
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# include <stdio.h> |
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# include <stdlib.h> |
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# include <string.h> |
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# include <time.h> |
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# include "apps.h" |
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# include <openssl/bio.h> |
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# include <openssl/err.h> |
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# include <openssl/dsa.h> |
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# include <openssl/evp.h> |
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# include <openssl/x509.h> |
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# include <openssl/pem.h> |
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# include <openssl/bn.h> |
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|
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# undef PROG |
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# define PROG dsa_main |
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/*- |
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* -inform arg - input format - default PEM (one of DER, NET or PEM) |
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* -outform arg - output format - default PEM |
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* -in arg - input file - default stdin |
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* -out arg - output file - default stdout |
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* -des - encrypt output if PEM format with DES in cbc mode |
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* -des3 - encrypt output if PEM format |
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* -idea - encrypt output if PEM format |
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* -aes128 - encrypt output if PEM format |
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* -aes192 - encrypt output if PEM format |
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* -aes256 - encrypt output if PEM format |
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* -camellia128 - encrypt output if PEM format |
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* -camellia192 - encrypt output if PEM format |
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* -camellia256 - encrypt output if PEM format |
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* -seed - encrypt output if PEM format |
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* -text - print a text version |
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* -modulus - print the DSA public key |
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*/ |
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int MAIN(int, char **); |
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int MAIN(int argc, char **argv) |
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{ |
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ENGINE *e = NULL; |
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int ret = 1; |
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DSA *dsa = NULL; |
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int i, badops = 0; |
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const EVP_CIPHER *enc = NULL; |
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BIO *in = NULL, *out = NULL; |
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int informat, outformat, text = 0, noout = 0; |
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int pubin = 0, pubout = 0; |
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char *infile, *outfile, *prog; |
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# ifndef OPENSSL_NO_ENGINE |
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char *engine; |
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# endif |
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char *passargin = NULL, *passargout = NULL; |
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char *passin = NULL, *passout = NULL; |
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int modulus = 0; |
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int pvk_encr = 2; |
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apps_startup(); |
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if (bio_err == NULL) |
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if ((bio_err = BIO_new(BIO_s_file())) != NULL) |
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BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); |
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if (!load_config(bio_err, NULL)) |
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goto end; |
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# ifndef OPENSSL_NO_ENGINE |
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engine = NULL; |
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# endif |
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infile = NULL; |
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outfile = NULL; |
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informat = FORMAT_PEM; |
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outformat = FORMAT_PEM; |
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prog = argv[0]; |
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argc--; |
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argv++; |
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while (argc >= 1) { |
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if (strcmp(*argv, "-inform") == 0) { |
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if (--argc < 1) |
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goto bad; |
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informat = str2fmt(*(++argv)); |
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} else if (strcmp(*argv, "-outform") == 0) { |
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if (--argc < 1) |
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goto bad; |
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outformat = str2fmt(*(++argv)); |
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} else if (strcmp(*argv, "-in") == 0) { |
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if (--argc < 1) |
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goto bad; |
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infile = *(++argv); |
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} else if (strcmp(*argv, "-out") == 0) { |
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if (--argc < 1) |
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goto bad; |
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outfile = *(++argv); |
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} else if (strcmp(*argv, "-passin") == 0) { |
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if (--argc < 1) |
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goto bad; |
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passargin = *(++argv); |
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} else if (strcmp(*argv, "-passout") == 0) { |
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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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# ifndef OPENSSL_NO_ENGINE |
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else if (strcmp(*argv, "-engine") == 0) { |
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if (--argc < 1) |
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goto bad; |
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engine = *(++argv); |
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} |
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# endif |
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else if (strcmp(*argv, "-pvk-strong") == 0) |
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pvk_encr = 2; |
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else if (strcmp(*argv, "-pvk-weak") == 0) |
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pvk_encr = 1; |
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else if (strcmp(*argv, "-pvk-none") == 0) |
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pvk_encr = 0; |
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else if (strcmp(*argv, "-noout") == 0) |
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noout = 1; |
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else if (strcmp(*argv, "-text") == 0) |
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text = 1; |
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else if (strcmp(*argv, "-modulus") == 0) |
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modulus = 1; |
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else if (strcmp(*argv, "-pubin") == 0) |
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pubin = 1; |
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else if (strcmp(*argv, "-pubout") == 0) |
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pubout = 1; |
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else if ((enc = EVP_get_cipherbyname(&(argv[0][1]))) == NULL) { |
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BIO_printf(bio_err, "unknown option %s\n", *argv); |
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badops = 1; |
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break; |
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} |
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argc--; |
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argv++; |
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} |
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if (badops) { |
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bad: |
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BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); |
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BIO_printf(bio_err, "where options are\n"); |
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BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); |
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BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); |
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BIO_printf(bio_err, " -in arg input file\n"); |
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BIO_printf(bio_err, |
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" -passin arg input file pass phrase source\n"); |
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BIO_printf(bio_err, " -out arg output file\n"); |
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BIO_printf(bio_err, |
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" -passout arg output file pass phrase source\n"); |
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# ifndef OPENSSL_NO_ENGINE |
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BIO_printf(bio_err, |
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" -engine e use engine e, possibly a hardware device.\n"); |
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# endif |
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BIO_printf(bio_err, |
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" -des encrypt PEM output with cbc des\n"); |
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BIO_printf(bio_err, |
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" -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); |
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# ifndef OPENSSL_NO_IDEA |
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BIO_printf(bio_err, |
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" -idea encrypt PEM output with cbc idea\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, |
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" 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, |
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" encrypt PEM output with cbc camellia\n"); |
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# endif |
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# ifndef OPENSSL_NO_SEED |
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BIO_printf(bio_err, |
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" -seed encrypt PEM output with cbc seed\n"); |
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# endif |
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BIO_printf(bio_err, " -text print the key in text\n"); |
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BIO_printf(bio_err, " -noout don't print key out\n"); |
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BIO_printf(bio_err, " -modulus print the DSA public value\n"); |
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goto end; |
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} |
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ERR_load_crypto_strings(); |
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# ifndef OPENSSL_NO_ENGINE |
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e = setup_engine(bio_err, engine, 0); |
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# endif |
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if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { |
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BIO_printf(bio_err, "Error getting passwords\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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out = BIO_new(BIO_s_file()); |
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if ((in == NULL) || (out == NULL)) { |
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ERR_print_errors(bio_err); |
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goto end; |
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} |
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if (infile == NULL) |
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BIO_set_fp(in, stdin, BIO_NOCLOSE); |
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else { |
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if (BIO_read_filename(in, infile) <= 0) { |
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perror(infile); |
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goto end; |
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} |
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} |
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BIO_printf(bio_err, "read DSA key\n"); |
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{ |
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EVP_PKEY *pkey; |
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if (pubin) |
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pkey = load_pubkey(bio_err, infile, informat, 1, |
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passin, e, "Public Key"); |
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else |
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pkey = load_key(bio_err, infile, informat, 1, |
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passin, e, "Private Key"); |
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if (pkey) { |
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dsa = EVP_PKEY_get1_DSA(pkey); |
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EVP_PKEY_free(pkey); |
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} |
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} |
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if (dsa == NULL) { |
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BIO_printf(bio_err, "unable to load Key\n"); |
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ERR_print_errors(bio_err); |
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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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# ifdef OPENSSL_SYS_VMS |
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{ |
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BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
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out = BIO_push(tmpbio, out); |
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} |
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# endif |
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} else { |
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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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if (text) |
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if (!DSA_print(out, dsa, 0)) { |
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perror(outfile); |
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ERR_print_errors(bio_err); |
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goto end; |
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} |
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if (modulus) { |
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fprintf(stdout, "Public Key="); |
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BN_print(out, dsa->pub_key); |
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fprintf(stdout, "\n"); |
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} |
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if (noout) |
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goto end; |
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BIO_printf(bio_err, "writing DSA key\n"); |
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if (outformat == FORMAT_ASN1) { |
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if (pubin || pubout) |
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i = i2d_DSA_PUBKEY_bio(out, dsa); |
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else |
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i = i2d_DSAPrivateKey_bio(out, dsa); |
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} else if (outformat == FORMAT_PEM) { |
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if (pubin || pubout) |
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i = PEM_write_bio_DSA_PUBKEY(out, dsa); |
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else |
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i = PEM_write_bio_DSAPrivateKey(out, dsa, enc, |
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NULL, 0, NULL, passout); |
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# if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4) |
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} else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { |
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EVP_PKEY *pk; |
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pk = EVP_PKEY_new(); |
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EVP_PKEY_set1_DSA(pk, dsa); |
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if (outformat == FORMAT_PVK) |
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i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); |
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else if (pubin || pubout) |
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i = i2b_PublicKey_bio(out, pk); |
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else |
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i = i2b_PrivateKey_bio(out, pk); |
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EVP_PKEY_free(pk); |
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# endif |
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} else { |
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BIO_printf(bio_err, "bad output format specified for outfile\n"); |
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goto end; |
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} |
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if (i <= 0) { |
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BIO_printf(bio_err, "unable to write private key\n"); |
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ERR_print_errors(bio_err); |
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} else |
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ret = 0; |
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end: |
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if (in != NULL) |
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BIO_free(in); |
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if (out != NULL) |
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BIO_free_all(out); |
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if (dsa != NULL) |
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DSA_free(dsa); |
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if (passin) |
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OPENSSL_free(passin); |
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if (passout) |
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OPENSSL_free(passout); |
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apps_shutdown(); |
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OPENSSL_EXIT(ret); |
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} |
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#else /* !OPENSSL_NO_DSA */ |
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# if PEDANTIC |
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static void *dummy = &dummy; |
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# endif |
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#endif
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