405 lines
14 KiB
C
405 lines
14 KiB
C
/* 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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/* ====================================================================
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* Copyright (c) 1999-2015 The OpenSSL Project. All rights reserved.
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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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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#include <openssl/opensslconf.h>
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#ifndef OPENSSL_NO_RSA
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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/rsa.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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typedef enum OPTION_choice {
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OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
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OPT_PUBIN, OPT_PUBOUT, OPT_PASSOUT, OPT_PASSIN,
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OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT, OPT_PVK_STRONG, OPT_PVK_WEAK,
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OPT_PVK_NONE, OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER
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} OPTION_CHOICE;
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OPTIONS rsa_options[] = {
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{"help", OPT_HELP, '-', "Display this summary"},
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{"inform", OPT_INFORM, 'f', "Input format, one of DER NET PEM"},
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{"outform", OPT_OUTFORM, 'f', "Output format, one of DER NET PEM PVK"},
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{"in", OPT_IN, 's', "Input file"},
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{"out", OPT_OUT, '>', "Output file"},
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{"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
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{"pubout", OPT_PUBOUT, '-', "Output a public key"},
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{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
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{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
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{"RSAPublicKey_in", OPT_RSAPUBKEY_IN, '-', "Input is an RSAPublicKey"},
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{"RSAPublicKey_out", OPT_RSAPUBKEY_OUT, '-', "Output is an RSAPublicKey"},
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{"noout", OPT_NOOUT, '-', "Don't print key out"},
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{"text", OPT_TEXT, '-', "Print the key in text"},
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{"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
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{"check", OPT_CHECK, '-', "Verify key consistency"},
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{"", OPT_CIPHER, '-', "Any supported cipher"},
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# ifdef OPENSSL_NO_RC4
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{"pvk-strong", OPT_PVK_STRONG, '-'},
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{"pvk-weak", OPT_PVK_WEAK, '-'},
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{"pvk-none", OPT_PVK_NONE, '-'},
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# endif
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# ifndef OPENSSL_NO_ENGINE
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{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
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# endif
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{NULL}
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};
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int rsa_main(int argc, char **argv)
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{
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ENGINE *e = NULL;
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BIO *out = NULL;
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RSA *rsa = NULL;
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const EVP_CIPHER *enc = NULL;
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char *infile = NULL, *outfile = NULL, *prog;
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char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
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int i, private = 0;
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int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, check = 0;
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int noout = 0, modulus = 0, pubin = 0, pubout = 0, pvk_encr = 2, ret = 1;
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OPTION_CHOICE o;
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prog = opt_init(argc, argv, rsa_options);
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while ((o = opt_next()) != OPT_EOF) {
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switch (o) {
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case OPT_EOF:
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case OPT_ERR:
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opthelp:
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BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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goto end;
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case OPT_HELP:
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opt_help(rsa_options);
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ret = 0;
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goto end;
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case OPT_INFORM:
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if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
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goto opthelp;
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break;
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case OPT_IN:
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infile = opt_arg();
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break;
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case OPT_OUTFORM:
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if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
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goto opthelp;
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break;
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case OPT_OUT:
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outfile = opt_arg();
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break;
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case OPT_PASSIN:
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passinarg = opt_arg();
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break;
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case OPT_PASSOUT:
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passoutarg = opt_arg();
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break;
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case OPT_ENGINE:
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e = setup_engine(opt_arg(), 0);
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break;
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case OPT_PUBIN:
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pubin = 1;
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break;
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case OPT_PUBOUT:
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pubout = 1;
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break;
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case OPT_RSAPUBKEY_IN:
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pubin = 2;
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break;
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case OPT_RSAPUBKEY_OUT:
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pubout = 2;
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break;
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#ifndef OPENSSL_NO_RC4
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case OPT_PVK_STRONG:
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pvk_encr = 2;
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break;
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case OPT_PVK_WEAK:
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pvk_encr = 1;
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break;
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case OPT_PVK_NONE:
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pvk_encr = 0;
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break;
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#else
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case OPT_PVK_STRONG:
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case OPT_PVK_WEAK:
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case OPT_PVK_NONE:
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break;
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#endif
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case OPT_NOOUT:
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noout = 1;
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break;
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case OPT_TEXT:
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text = 1;
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break;
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case OPT_MODULUS:
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modulus = 1;
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break;
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case OPT_CHECK:
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check = 1;
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break;
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case OPT_CIPHER:
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if (!opt_cipher(opt_unknown(), &enc))
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goto opthelp;
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break;
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}
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}
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argc = opt_num_rest();
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argv = opt_rest();
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private = (text && !pubin) || (!pubout && !noout) ? 1 : 0;
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if (!app_passwd(passinarg, passoutarg, &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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if (check && pubin) {
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BIO_printf(bio_err, "Only private keys can be checked\n");
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goto end;
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}
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{
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EVP_PKEY *pkey;
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if (pubin) {
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int tmpformat = -1;
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if (pubin == 2) {
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if (informat == FORMAT_PEM)
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tmpformat = FORMAT_PEMRSA;
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else if (informat == FORMAT_ASN1)
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tmpformat = FORMAT_ASN1RSA;
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} else
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tmpformat = informat;
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pkey = load_pubkey(infile, tmpformat, 1, passin, e, "Public Key");
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} else
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pkey = load_key(infile, informat, 1, passin, e, "Private Key");
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if (pkey != NULL)
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rsa = EVP_PKEY_get1_RSA(pkey);
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EVP_PKEY_free(pkey);
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}
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if (rsa == NULL) {
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ERR_print_errors(bio_err);
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goto end;
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}
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out = bio_open_owner(outfile, outformat, private);
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if (out == NULL)
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goto end;
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if (text) {
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assert(pubin || private);
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if (!RSA_print(out, rsa, 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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}
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if (modulus) {
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BIO_printf(out, "Modulus=");
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BN_print(out, rsa->n);
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BIO_printf(out, "\n");
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}
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if (check) {
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int r = RSA_check_key(rsa);
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if (r == 1)
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BIO_printf(out, "RSA key ok\n");
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else if (r == 0) {
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unsigned long err;
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while ((err = ERR_peek_error()) != 0 &&
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ERR_GET_LIB(err) == ERR_LIB_RSA &&
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ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY &&
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ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) {
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BIO_printf(out, "RSA key error: %s\n",
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ERR_reason_error_string(err));
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ERR_get_error(); /* remove e from error stack */
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}
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}
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/* should happen only if r == -1 */
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if (r == -1 || ERR_peek_error() != 0) {
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ERR_print_errors(bio_err);
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goto end;
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}
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}
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if (noout) {
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ret = 0;
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goto end;
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}
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BIO_printf(bio_err, "writing RSA key\n");
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if (outformat == FORMAT_ASN1) {
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if (pubout || pubin) {
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if (pubout == 2)
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i = i2d_RSAPublicKey_bio(out, rsa);
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else
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i = i2d_RSA_PUBKEY_bio(out, rsa);
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} else {
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assert(private);
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i = i2d_RSAPrivateKey_bio(out, rsa);
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}
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}
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else if (outformat == FORMAT_PEM) {
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if (pubout || pubin) {
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if (pubout == 2)
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i = PEM_write_bio_RSAPublicKey(out, rsa);
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else
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i = PEM_write_bio_RSA_PUBKEY(out, rsa);
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} else {
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assert(private);
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i = PEM_write_bio_RSAPrivateKey(out, rsa,
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enc, NULL, 0, NULL, passout);
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}
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# if !defined(OPENSSL_NO_DSA) && !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_RSA(pk, rsa);
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if (outformat == FORMAT_PVK) {
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if (pubin) {
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BIO_printf(bio_err, "PVK form impossible with public key input\n");
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EVP_PKEY_free(pk);
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goto end;
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}
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assert(private);
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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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assert(private);
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i = i2b_PrivateKey_bio(out, pk);
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}
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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 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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BIO_free_all(out);
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RSA_free(rsa);
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OPENSSL_free(passin);
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OPENSSL_free(passout);
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return (ret);
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}
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#else /* !OPENSSL_NO_RSA */
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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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