559 lines
17 KiB
C
559 lines
17 KiB
C
/*
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
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* 2006.
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*/
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/* ====================================================================
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* Copyright (c) 2006 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 "apps.h"
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#include <string.h>
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#include <openssl/err.h>
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#include <openssl/pem.h>
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#include <openssl/evp.h>
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#define KEY_PRIVKEY 1
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#define KEY_PUBKEY 2
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#define KEY_CERT 3
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static void usage(void);
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#undef PROG
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#define PROG pkeyutl_main
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static EVP_PKEY_CTX *init_ctx(int *pkeysize,
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const char *keyfile, int keyform, int key_type,
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char *passargin, int pkey_op, ENGINE *e,
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int impl);
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static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
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const char *file, ENGINE* e);
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static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
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unsigned char *out, size_t *poutlen,
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unsigned char *in, size_t inlen);
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int MAIN(int argc, char **);
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int MAIN(int argc, char **argv)
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{
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BIO *in = NULL, *out = NULL;
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char *infile = NULL, *outfile = NULL, *sigfile = NULL;
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ENGINE *e = NULL;
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int pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;
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int keyform = FORMAT_PEM, peerform = FORMAT_PEM;
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char badarg = 0, rev = 0;
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char hexdump = 0, asn1parse = 0;
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EVP_PKEY_CTX *ctx = NULL;
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char *passargin = NULL;
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int keysize = -1;
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int engine_impl = 0;
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unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
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size_t buf_outlen = 0;
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int buf_inlen = 0, siglen = -1;
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const char *inkey = NULL;
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const char *peerkey = NULL;
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STACK_OF(OPENSSL_STRING) *pkeyopts = NULL;
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int ret = 1, rv = -1;
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argc--;
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argv++;
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if (!bio_err)
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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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ERR_load_crypto_strings();
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OpenSSL_add_all_algorithms();
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while (argc >= 1) {
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if (!strcmp(*argv, "-in")) {
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if (--argc < 1)
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badarg = 1;
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else
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infile = *(++argv);
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} else if (!strcmp(*argv, "-out")) {
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if (--argc < 1)
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badarg = 1;
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else
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outfile = *(++argv);
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} else if (!strcmp(*argv, "-sigfile")) {
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if (--argc < 1)
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badarg = 1;
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else
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sigfile = *(++argv);
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} else if (!strcmp(*argv, "-inkey")) {
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if (--argc < 1)
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badarg = 1;
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else
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inkey = *++argv;
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} else if (!strcmp(*argv, "-peerkey")) {
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if (--argc < 1)
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badarg = 1;
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else
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peerkey = *++argv;
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} else if (!strcmp(*argv, "-passin")) {
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if (--argc < 1)
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badarg = 1;
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else
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passargin = *(++argv);
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} else if (strcmp(*argv, "-peerform") == 0) {
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if (--argc < 1)
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badarg = 1;
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else
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peerform = str2fmt(*(++argv));
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} else if (strcmp(*argv, "-keyform") == 0) {
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if (--argc < 1)
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badarg = 1;
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else
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keyform = str2fmt(*(++argv));
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}
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#ifndef OPENSSL_NO_ENGINE
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else if (!strcmp(*argv, "-engine")) {
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if (--argc < 1)
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badarg = 1;
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else
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e = setup_engine(bio_err, *(++argv), 0);
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} else if (!strcmp(*argv, "-engine_impl")) {
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engine_impl = 1;
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}
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#endif
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else if (!strcmp(*argv, "-pubin"))
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key_type = KEY_PUBKEY;
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else if (!strcmp(*argv, "-certin"))
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key_type = KEY_CERT;
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else if (!strcmp(*argv, "-asn1parse"))
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asn1parse = 1;
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else if (!strcmp(*argv, "-hexdump"))
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hexdump = 1;
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else if (!strcmp(*argv, "-sign"))
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pkey_op = EVP_PKEY_OP_SIGN;
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else if (!strcmp(*argv, "-verify"))
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pkey_op = EVP_PKEY_OP_VERIFY;
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else if (!strcmp(*argv, "-verifyrecover"))
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pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
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else if (!strcmp(*argv, "-encrypt"))
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pkey_op = EVP_PKEY_OP_ENCRYPT;
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else if (!strcmp(*argv, "-decrypt"))
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pkey_op = EVP_PKEY_OP_DECRYPT;
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else if (!strcmp(*argv, "-derive"))
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pkey_op = EVP_PKEY_OP_DERIVE;
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else if (!strcmp(*argv, "-rev"))
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rev = 1;
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else if (strcmp(*argv, "-pkeyopt") == 0) {
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if (--argc < 1)
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badarg = 1;
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else if ((pkeyopts == NULL &&
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(pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) ||
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sk_OPENSSL_STRING_push(pkeyopts, *++argv) == 0) {
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BIO_puts(bio_err, "out of memory\n");
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goto end;
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}
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} else
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badarg = 1;
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if (badarg) {
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usage();
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goto end;
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}
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argc--;
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argv++;
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}
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if (inkey == NULL ||
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(peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE)) {
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usage();
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goto end;
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}
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ctx = init_ctx(&keysize, inkey, keyform, key_type,
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passargin, pkey_op, e, engine_impl);
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if (!ctx) {
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BIO_puts(bio_err, "Error initializing context\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 (peerkey != NULL && !setup_peer(bio_err, ctx, peerform, peerkey, e)) {
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BIO_puts(bio_err, "Error setting up peer 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 (pkeyopts != NULL) {
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int num = sk_OPENSSL_STRING_num(pkeyopts);
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int i;
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for (i = 0; i < num; ++i) {
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const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i);
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if (pkey_ctrl_string(ctx, opt) <= 0) {
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BIO_puts(bio_err, "parameter setting error\n");
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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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}
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if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY)) {
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BIO_puts(bio_err, "Signature file specified for non verify\n");
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goto end;
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}
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if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY)) {
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BIO_puts(bio_err, "No signature file specified for verify\n");
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goto end;
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}
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/* FIXME: seed PRNG only if needed */
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app_RAND_load_file(NULL, bio_err, 0);
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if (pkey_op != EVP_PKEY_OP_DERIVE) {
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if (infile) {
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if (!(in = BIO_new_file(infile, "rb"))) {
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BIO_puts(bio_err, "Error Opening Input File\n");
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ERR_print_errors(bio_err);
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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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}
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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, "Error Creating Output File\n");
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ERR_print_errors(bio_err);
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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 (sigfile) {
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BIO *sigbio = BIO_new_file(sigfile, "rb");
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if (!sigbio) {
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BIO_printf(bio_err, "Can't open signature file %s\n", sigfile);
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goto end;
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}
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siglen = bio_to_mem(&sig, keysize * 10, sigbio);
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BIO_free(sigbio);
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if (siglen < 0) {
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BIO_printf(bio_err, "Error reading signature data\n");
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goto end;
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}
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}
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if (in) {
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/* Read the input data */
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buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
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if (buf_inlen < 0) {
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BIO_printf(bio_err, "Error reading input Data\n");
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exit(1);
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}
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if (rev) {
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size_t i;
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unsigned char ctmp;
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size_t l = (size_t)buf_inlen;
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for (i = 0; i < l / 2; i++) {
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ctmp = buf_in[i];
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buf_in[i] = buf_in[l - 1 - i];
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buf_in[l - 1 - i] = ctmp;
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}
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}
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}
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if (pkey_op == EVP_PKEY_OP_VERIFY) {
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rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen,
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buf_in, (size_t)buf_inlen);
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if (rv == 0)
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BIO_puts(out, "Signature Verification Failure\n");
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else if (rv == 1) {
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BIO_puts(out, "Signature Verified Successfully\n");
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ret = 0;
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}
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if (rv >= 0)
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goto end;
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} else {
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rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,
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buf_in, (size_t)buf_inlen);
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if (rv > 0 && buf_outlen != 0) {
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buf_out = OPENSSL_malloc(buf_outlen);
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if (!buf_out)
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rv = -1;
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else
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rv = do_keyop(ctx, pkey_op,
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buf_out, (size_t *)&buf_outlen,
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buf_in, (size_t)buf_inlen);
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}
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}
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if (rv <= 0) {
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BIO_printf(bio_err, "Public Key operation error\n");
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ERR_print_errors(bio_err);
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goto end;
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}
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ret = 0;
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if (asn1parse) {
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if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
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ERR_print_errors(bio_err);
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} else if (hexdump)
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BIO_dump(out, (char *)buf_out, buf_outlen);
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else
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BIO_write(out, buf_out, buf_outlen);
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end:
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if (ctx)
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EVP_PKEY_CTX_free(ctx);
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release_engine(e);
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BIO_free(in);
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BIO_free_all(out);
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if (buf_in != NULL)
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OPENSSL_free(buf_in);
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if (buf_out != NULL)
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OPENSSL_free(buf_out);
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if (sig != NULL)
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OPENSSL_free(sig);
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if (pkeyopts != NULL)
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sk_OPENSSL_STRING_free(pkeyopts);
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return ret;
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}
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static void usage()
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{
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BIO_printf(bio_err, "Usage: pkeyutl [options]\n");
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BIO_printf(bio_err, "-in file input file\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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"-sigfile file signature file (verify operation only)\n");
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BIO_printf(bio_err, "-inkey file input key\n");
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BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
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BIO_printf(bio_err, "-pubin input is a public key\n");
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BIO_printf(bio_err,
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"-certin input is a certificate carrying a public key\n");
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BIO_printf(bio_err, "-pkeyopt X:Y public key options\n");
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BIO_printf(bio_err, "-sign sign with private key\n");
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BIO_printf(bio_err, "-verify verify with public key\n");
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BIO_printf(bio_err,
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"-verifyrecover verify with public key, recover original data\n");
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BIO_printf(bio_err, "-encrypt encrypt with public key\n");
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BIO_printf(bio_err, "-decrypt decrypt with private key\n");
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BIO_printf(bio_err, "-derive derive shared secret\n");
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BIO_printf(bio_err, "-hexdump hex dump output\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, maybe a hardware device, for loading keys.\n");
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BIO_printf(bio_err, "-engine_impl also use engine given by -engine for crypto operations\n");
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#endif
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BIO_printf(bio_err, "-passin arg pass phrase source\n");
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}
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static EVP_PKEY_CTX *init_ctx(int *pkeysize,
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const char *keyfile, int keyform, int key_type,
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char *passargin, int pkey_op, ENGINE *e,
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int engine_impl)
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{
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EVP_PKEY *pkey = NULL;
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EVP_PKEY_CTX *ctx = NULL;
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ENGINE *impl = NULL;
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char *passin = NULL;
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int rv = -1;
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X509 *x;
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if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT)
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|| (pkey_op == EVP_PKEY_OP_DERIVE))
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&& (key_type != KEY_PRIVKEY)) {
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BIO_printf(bio_err, "A private key is needed for this operation\n");
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goto end;
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}
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if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
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BIO_printf(bio_err, "Error getting password\n");
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goto end;
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}
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switch (key_type) {
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case KEY_PRIVKEY:
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pkey = load_key(bio_err, keyfile, keyform, 0,
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passin, e, "Private Key");
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break;
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case KEY_PUBKEY:
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pkey = load_pubkey(bio_err, keyfile, keyform, 0,
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NULL, e, "Public Key");
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break;
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case KEY_CERT:
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x = load_cert(bio_err, keyfile, keyform, NULL, e, "Certificate");
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if (x) {
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pkey = X509_get_pubkey(x);
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X509_free(x);
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}
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break;
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}
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*pkeysize = EVP_PKEY_size(pkey);
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if (!pkey)
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goto end;
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#ifndef OPENSSL_NO_ENGINE
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if (engine_impl)
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impl = e;
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#endif
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ctx = EVP_PKEY_CTX_new(pkey, impl);
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EVP_PKEY_free(pkey);
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if (!ctx)
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goto end;
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switch (pkey_op) {
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case EVP_PKEY_OP_SIGN:
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rv = EVP_PKEY_sign_init(ctx);
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break;
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case EVP_PKEY_OP_VERIFY:
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rv = EVP_PKEY_verify_init(ctx);
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break;
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case EVP_PKEY_OP_VERIFYRECOVER:
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rv = EVP_PKEY_verify_recover_init(ctx);
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break;
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case EVP_PKEY_OP_ENCRYPT:
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rv = EVP_PKEY_encrypt_init(ctx);
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break;
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case EVP_PKEY_OP_DECRYPT:
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rv = EVP_PKEY_decrypt_init(ctx);
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break;
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case EVP_PKEY_OP_DERIVE:
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rv = EVP_PKEY_derive_init(ctx);
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break;
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}
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if (rv <= 0) {
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EVP_PKEY_CTX_free(ctx);
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ctx = NULL;
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}
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end:
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if (passin)
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OPENSSL_free(passin);
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|
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return ctx;
|
|
|
|
}
|
|
|
|
static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
|
|
const char *file, ENGINE* e)
|
|
{
|
|
EVP_PKEY *peer = NULL;
|
|
ENGINE* engine = NULL;
|
|
int ret;
|
|
|
|
if (peerform == FORMAT_ENGINE)
|
|
engine = e;
|
|
peer = load_pubkey(bio_err, file, peerform, 0, NULL, engine, "Peer Key");
|
|
|
|
if (!peer) {
|
|
BIO_printf(bio_err, "Error reading peer key %s\n", file);
|
|
ERR_print_errors(err);
|
|
return 0;
|
|
}
|
|
|
|
ret = EVP_PKEY_derive_set_peer(ctx, peer);
|
|
|
|
EVP_PKEY_free(peer);
|
|
if (ret <= 0)
|
|
ERR_print_errors(err);
|
|
return ret;
|
|
}
|
|
|
|
static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
|
|
unsigned char *out, size_t *poutlen,
|
|
unsigned char *in, size_t inlen)
|
|
{
|
|
int rv = 0;
|
|
switch (pkey_op) {
|
|
case EVP_PKEY_OP_VERIFYRECOVER:
|
|
rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen);
|
|
break;
|
|
|
|
case EVP_PKEY_OP_SIGN:
|
|
rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen);
|
|
break;
|
|
|
|
case EVP_PKEY_OP_ENCRYPT:
|
|
rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen);
|
|
break;
|
|
|
|
case EVP_PKEY_OP_DECRYPT:
|
|
rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen);
|
|
break;
|
|
|
|
case EVP_PKEY_OP_DERIVE:
|
|
rv = EVP_PKEY_derive(ctx, out, poutlen);
|
|
break;
|
|
|
|
}
|
|
return rv;
|
|
}
|