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414 lines
14 KiB
C
414 lines
14 KiB
C
/* pkcs8.c */
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/*
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
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* 1999-2004.
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*/
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/* ====================================================================
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* Copyright (c) 1999 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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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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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 "apps.h"
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#include <openssl/pem.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/pkcs12.h>
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#define PROG pkcs8_main
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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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char **args, *infile = NULL, *outfile = NULL;
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char *passargin = NULL, *passargout = NULL;
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BIO *in = NULL, *out = NULL;
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int topk8 = 0;
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int pbe_nid = -1;
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const EVP_CIPHER *cipher = NULL;
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int iter = PKCS12_DEFAULT_ITER;
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int informat, outformat;
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int p8_broken = PKCS8_OK;
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int nocrypt = 0;
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X509_SIG *p8 = NULL;
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PKCS8_PRIV_KEY_INFO *p8inf = NULL;
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EVP_PKEY *pkey = NULL;
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char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
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int badarg = 0;
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int ret = 1;
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#ifndef OPENSSL_NO_ENGINE
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char *engine = NULL;
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#endif
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if (bio_err == NULL)
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bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
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if (!load_config(bio_err, NULL))
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goto end;
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informat = FORMAT_PEM;
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outformat = FORMAT_PEM;
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ERR_load_crypto_strings();
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OpenSSL_add_all_algorithms();
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args = argv + 1;
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while (!badarg && *args && *args[0] == '-') {
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if (!strcmp(*args, "-v2")) {
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if (args[1]) {
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args++;
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cipher = EVP_get_cipherbyname(*args);
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if (!cipher) {
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BIO_printf(bio_err, "Unknown cipher %s\n", *args);
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badarg = 1;
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}
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-v1")) {
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if (args[1]) {
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args++;
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pbe_nid = OBJ_txt2nid(*args);
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if (pbe_nid == NID_undef) {
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BIO_printf(bio_err, "Unknown PBE algorithm %s\n", *args);
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badarg = 1;
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}
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-v2prf")) {
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if (args[1]) {
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args++;
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pbe_nid = OBJ_txt2nid(*args);
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if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) {
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BIO_printf(bio_err, "Unknown PRF algorithm %s\n", *args);
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badarg = 1;
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}
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-inform")) {
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if (args[1]) {
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args++;
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informat = str2fmt(*args);
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-outform")) {
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if (args[1]) {
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args++;
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outformat = str2fmt(*args);
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-topk8"))
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topk8 = 1;
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else if (!strcmp(*args, "-noiter"))
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iter = 1;
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else if (!strcmp(*args, "-iter")) {
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if (args[1]) {
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iter = atoi(*(++args));
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if (iter <= 0)
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badarg = 1;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-nocrypt"))
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nocrypt = 1;
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else if (!strcmp(*args, "-nooct"))
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p8_broken = PKCS8_NO_OCTET;
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else if (!strcmp(*args, "-nsdb"))
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p8_broken = PKCS8_NS_DB;
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else if (!strcmp(*args, "-embed"))
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p8_broken = PKCS8_EMBEDDED_PARAM;
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else if (!strcmp(*args, "-passin")) {
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if (args[1])
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passargin = *(++args);
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else
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badarg = 1;
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} else if (!strcmp(*args, "-passout")) {
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if (args[1])
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passargout = *(++args);
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else
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badarg = 1;
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}
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#ifndef OPENSSL_NO_ENGINE
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else if (strcmp(*args, "-engine") == 0) {
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if (args[1])
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engine = *(++args);
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else
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badarg = 1;
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}
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#endif
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else if (!strcmp(*args, "-in")) {
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if (args[1]) {
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args++;
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infile = *args;
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} else
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badarg = 1;
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} else if (!strcmp(*args, "-out")) {
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if (args[1]) {
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args++;
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outfile = *args;
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} else
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badarg = 1;
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} else
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badarg = 1;
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args++;
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}
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if (badarg) {
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BIO_printf(bio_err, "Usage pkcs8 [options]\n");
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BIO_printf(bio_err, "where options are\n");
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BIO_printf(bio_err, "-in file input file\n");
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BIO_printf(bio_err, "-inform X input format (DER or PEM)\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, "-outform X output format (DER or PEM)\n");
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BIO_printf(bio_err, "-out file 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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BIO_printf(bio_err, "-topk8 output PKCS8 file\n");
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BIO_printf(bio_err,
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"-nooct use (nonstandard) no octet format\n");
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BIO_printf(bio_err,
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"-embed use (nonstandard) embedded DSA parameters format\n");
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BIO_printf(bio_err,
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"-nsdb use (nonstandard) DSA Netscape DB format\n");
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BIO_printf(bio_err, "-iter count use count as iteration count\n");
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BIO_printf(bio_err, "-noiter use 1 as iteration count\n");
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BIO_printf(bio_err,
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"-nocrypt use or expect unencrypted private key\n");
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BIO_printf(bio_err,
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"-v2 alg use PKCS#5 v2.0 and cipher \"alg\"\n");
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BIO_printf(bio_err,
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"-v1 obj use PKCS#5 v1.5 and cipher \"alg\"\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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goto end;
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}
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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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if ((pbe_nid == -1) && !cipher)
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pbe_nid = NID_pbeWithMD5AndDES_CBC;
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if (infile) {
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if (!(in = BIO_new_file(infile, "rb"))) {
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BIO_printf(bio_err, "Can't open input file %s\n", infile);
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goto end;
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}
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} else
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in = BIO_new_fp(stdin, BIO_NOCLOSE);
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if (outfile) {
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if (!(out = BIO_new_file(outfile, "wb"))) {
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BIO_printf(bio_err, "Can't open output file %s\n", outfile);
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goto end;
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}
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} else {
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out = BIO_new_fp(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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}
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if (topk8) {
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pkey = load_key(bio_err, infile, informat, 1, passin, e, "key");
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if (!pkey)
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goto end;
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if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
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BIO_printf(bio_err, "Error converting 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 (nocrypt) {
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if (outformat == FORMAT_PEM)
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PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
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else if (outformat == FORMAT_ASN1)
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i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
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else {
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BIO_printf(bio_err, "Bad format specified for key\n");
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goto end;
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}
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} else {
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if (passout)
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p8pass = passout;
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else {
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p8pass = pass;
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if (EVP_read_pw_string
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(pass, sizeof pass, "Enter Encryption Password:", 1))
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goto end;
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}
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app_RAND_load_file(NULL, bio_err, 0);
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if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
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p8pass, strlen(p8pass),
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NULL, 0, iter, p8inf))) {
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BIO_printf(bio_err, "Error encrypting 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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app_RAND_write_file(NULL, bio_err);
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if (outformat == FORMAT_PEM)
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PEM_write_bio_PKCS8(out, p8);
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else if (outformat == FORMAT_ASN1)
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i2d_PKCS8_bio(out, p8);
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else {
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BIO_printf(bio_err, "Bad format specified for key\n");
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goto end;
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}
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}
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ret = 0;
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goto end;
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}
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if (nocrypt) {
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if (informat == FORMAT_PEM)
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p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL, NULL, NULL);
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else if (informat == FORMAT_ASN1)
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p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
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else {
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BIO_printf(bio_err, "Bad format specified for key\n");
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goto end;
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}
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} else {
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if (informat == FORMAT_PEM)
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p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
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else if (informat == FORMAT_ASN1)
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p8 = d2i_PKCS8_bio(in, NULL);
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else {
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BIO_printf(bio_err, "Bad format specified for key\n");
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goto end;
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}
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if (!p8) {
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BIO_printf(bio_err, "Error reading 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 (passin)
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p8pass = passin;
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else {
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p8pass = pass;
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EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
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}
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p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
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}
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if (!p8inf) {
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BIO_printf(bio_err, "Error decrypting 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 (!(pkey = EVP_PKCS82PKEY(p8inf))) {
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BIO_printf(bio_err, "Error converting 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 (p8inf->broken) {
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BIO_printf(bio_err, "Warning: broken key encoding: ");
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switch (p8inf->broken) {
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case PKCS8_NO_OCTET:
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BIO_printf(bio_err, "No Octet String in PrivateKey\n");
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break;
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case PKCS8_EMBEDDED_PARAM:
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BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
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break;
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case PKCS8_NS_DB:
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BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
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break;
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case PKCS8_NEG_PRIVKEY:
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BIO_printf(bio_err, "DSA private key value is negative\n");
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break;
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default:
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BIO_printf(bio_err, "Unknown broken type\n");
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break;
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}
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}
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if (outformat == FORMAT_PEM)
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PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
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else if (outformat == FORMAT_ASN1)
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i2d_PrivateKey_bio(out, pkey);
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else {
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BIO_printf(bio_err, "Bad format specified for key\n");
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goto end;
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}
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ret = 0;
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end:
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X509_SIG_free(p8);
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PKCS8_PRIV_KEY_INFO_free(p8inf);
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EVP_PKEY_free(pkey);
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BIO_free_all(out);
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BIO_free(in);
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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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return ret;
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}
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