26a3a48d65
like Malloc, Realloc and especially Free conflict with already existing names on some operating systems or other packages. That is reason enough to change the names of the OpenSSL memory allocation macros to something that has a better chance of being unique, like prepending them with OPENSSL_. This change includes all the name changes needed throughout all C files.
290 lines
8.6 KiB
C
290 lines
8.6 KiB
C
/* 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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#ifndef 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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#undef PROG
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#define PROG dsa_main
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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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* -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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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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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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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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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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{
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if (strcmp(*argv,"-inform") == 0)
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{
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if (--argc < 1) goto bad;
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informat=str2fmt(*(++argv));
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}
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else if (strcmp(*argv,"-outform") == 0)
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{
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if (--argc < 1) goto bad;
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outformat=str2fmt(*(++argv));
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}
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else if (strcmp(*argv,"-in") == 0)
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{
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if (--argc < 1) goto bad;
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infile= *(++argv);
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}
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else if (strcmp(*argv,"-out") == 0)
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{
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if (--argc < 1) goto bad;
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outfile= *(++argv);
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}
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else if (strcmp(*argv,"-passin") == 0)
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{
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if (--argc < 1) goto bad;
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passargin= *(++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) goto bad;
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passargout= *(++argv);
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}
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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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{
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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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{
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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," -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," -passout arg output file pass phrase source\n");
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BIO_printf(bio_err," -des encrypt PEM output with cbc des\n");
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BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n");
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#ifndef NO_IDEA
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BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\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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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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{
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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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{
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if (BIO_read_filename(in,infile) <= 0)
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{
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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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if (informat == FORMAT_ASN1) {
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if(pubin) dsa=d2i_DSA_PUBKEY_bio(in,NULL);
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else dsa=d2i_DSAPrivateKey_bio(in,NULL);
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} else if (informat == FORMAT_PEM) {
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if(pubin) dsa=PEM_read_bio_DSA_PUBKEY(in,NULL, NULL, NULL);
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else dsa=PEM_read_bio_DSAPrivateKey(in,NULL,NULL,passin);
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} else
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{
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BIO_printf(bio_err,"bad input format specified for key\n");
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goto end;
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}
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if (dsa == NULL)
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{
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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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else
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{
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if (BIO_write_filename(out,outfile) <= 0)
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{
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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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{
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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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{
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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) 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) i=i2d_DSA_PUBKEY_bio(out,dsa);
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else 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 i=PEM_write_bio_DSAPrivateKey(out,dsa,enc,
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NULL,0,NULL, passout);
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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)
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{
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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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}
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else
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ret=0;
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end:
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if(in != NULL) BIO_free(in);
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if(out != NULL) BIO_free(out);
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if(dsa != NULL) DSA_free(dsa);
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if(passin) OPENSSL_free(passin);
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if(passout) OPENSSL_free(passout);
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EXIT(ret);
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}
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#endif
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