/* apps/pkeyparam.c */ /* * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project * 2006 */ /* ==================================================================== * Copyright (c) 2006 The OpenSSL Project. All rights reserved. * * 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 above 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 acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED 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 OpenSSL PROJECT OR * ITS 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. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include <stdio.h> #include <string.h> #include "apps.h" #include <openssl/pem.h> #include <openssl/err.h> #include <openssl/evp.h> #define PROG pkeyparam_main int MAIN(int, char **); int MAIN(int argc, char **argv) { char **args, *infile = NULL, *outfile = NULL; BIO *in = NULL, *out = NULL; int text = 0, noout = 0; EVP_PKEY *pkey = NULL; int badarg = 0; #ifndef OPENSSL_NO_ENGINE char *engine = NULL; #endif int ret = 1; if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); if (!load_config(bio_err, NULL)) goto end; ERR_load_crypto_strings(); OpenSSL_add_all_algorithms(); args = argv + 1; while (!badarg && *args && *args[0] == '-') { if (!strcmp(*args, "-in")) { if (args[1]) { args++; infile = *args; } else badarg = 1; } else if (!strcmp(*args, "-out")) { if (args[1]) { args++; outfile = *args; } else badarg = 1; } #ifndef OPENSSL_NO_ENGINE else if (strcmp(*args, "-engine") == 0) { if (!args[1]) goto bad; engine = *(++args); } #endif else if (strcmp(*args, "-text") == 0) text = 1; else if (strcmp(*args, "-noout") == 0) noout = 1; args++; } if (badarg) { #ifndef OPENSSL_NO_ENGINE bad: #endif BIO_printf(bio_err, "Usage pkeyparam [options]\n"); BIO_printf(bio_err, "where options are\n"); BIO_printf(bio_err, "-in file input file\n"); BIO_printf(bio_err, "-out file output file\n"); BIO_printf(bio_err, "-text print parameters as text\n"); BIO_printf(bio_err, "-noout don't output encoded parameters\n"); #ifndef OPENSSL_NO_ENGINE BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n"); #endif return 1; } #ifndef OPENSSL_NO_ENGINE setup_engine(bio_err, engine, 0); #endif if (infile) { if (!(in = BIO_new_file(infile, "r"))) { BIO_printf(bio_err, "Can't open input file %s\n", infile); goto end; } } else in = BIO_new_fp(stdin, BIO_NOCLOSE); if (outfile) { if (!(out = BIO_new_file(outfile, "w"))) { BIO_printf(bio_err, "Can't open output file %s\n", outfile); goto end; } } else { out = BIO_new_fp(stdout, BIO_NOCLOSE); #ifdef OPENSSL_SYS_VMS { BIO *tmpbio = BIO_new(BIO_f_linebuffer()); out = BIO_push(tmpbio, out); } #endif } pkey = PEM_read_bio_Parameters(in, NULL); if (!pkey) { BIO_printf(bio_err, "Error reading parameters\n"); ERR_print_errors(bio_err); goto end; } if (!noout) PEM_write_bio_Parameters(out, pkey); if (text) EVP_PKEY_print_params(out, pkey, 0, NULL); ret = 0; end: EVP_PKEY_free(pkey); BIO_free_all(out); BIO_free(in); return ret; }