523 lines
17 KiB
C
523 lines
17 KiB
C
/* apps/dgst.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.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/evp.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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#include <openssl/pem.h>
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#include <openssl/hmac.h>
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#undef BUFSIZE
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#define BUFSIZE 1024*8
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#undef PROG
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#define PROG dgst_main
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int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
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EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title,
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const char *file, BIO *bmd, const char *hmac_key,
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int non_fips_allow);
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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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unsigned char *buf = NULL;
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int i, err = 1;
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const EVP_MD *md = NULL, *m;
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BIO *in = NULL, *inp;
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BIO *bmd = NULL;
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BIO *out = NULL;
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const char *name;
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#define PROG_NAME_SIZE 39
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char pname[PROG_NAME_SIZE + 1];
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int separator = 0;
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int debug = 0;
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int keyform = FORMAT_PEM;
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const char *outfile = NULL, *keyfile = NULL;
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const char *sigfile = NULL, *randfile = NULL;
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int out_bin = -1, want_pub = 0, do_verify = 0;
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EVP_PKEY *sigkey = NULL;
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unsigned char *sigbuf = NULL;
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int siglen = 0;
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unsigned int sig_flags = 0;
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char *passargin = NULL, *passin = NULL;
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#ifndef OPENSSL_NO_ENGINE
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char *engine = NULL;
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#endif
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char *hmac_key = NULL;
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int non_fips_allow = 0;
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apps_startup();
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ERR_load_crypto_strings();
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if ((buf = (unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL) {
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BIO_printf(bio_err, "out of memory\n");
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goto end;
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}
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if (bio_err == NULL)
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if ((bio_err = BIO_new(BIO_s_file())) != NULL)
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BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
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if (!load_config(bio_err, NULL))
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goto end;
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/* first check the program name */
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program_name(argv[0], pname, sizeof pname);
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md = EVP_get_digestbyname(pname);
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argc--;
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argv++;
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while (argc > 0) {
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if ((*argv)[0] != '-')
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break;
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if (strcmp(*argv, "-c") == 0)
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separator = 1;
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else if (strcmp(*argv, "-rand") == 0) {
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if (--argc < 1)
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break;
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randfile = *(++argv);
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} else if (strcmp(*argv, "-out") == 0) {
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if (--argc < 1)
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break;
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outfile = *(++argv);
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} else if (strcmp(*argv, "-sign") == 0) {
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if (--argc < 1)
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break;
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keyfile = *(++argv);
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} else if (!strcmp(*argv, "-passin")) {
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if (--argc < 1)
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break;
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passargin = *++argv;
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} else if (strcmp(*argv, "-verify") == 0) {
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if (--argc < 1)
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break;
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keyfile = *(++argv);
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want_pub = 1;
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do_verify = 1;
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} else if (strcmp(*argv, "-prverify") == 0) {
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if (--argc < 1)
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break;
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keyfile = *(++argv);
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do_verify = 1;
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} else if (strcmp(*argv, "-x931") == 0)
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sig_flags = EVP_MD_CTX_FLAG_PAD_X931;
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else if (strcmp(*argv, "-pss_saltlen") == 0) {
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int saltlen;
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if (--argc < 1)
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break;
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saltlen = atoi(*(++argv));
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if (saltlen == -1)
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sig_flags = EVP_MD_CTX_FLAG_PSS_MREC;
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else if (saltlen == -2)
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sig_flags = EVP_MD_CTX_FLAG_PSS_MDLEN;
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else if (saltlen < -2 || saltlen >= 0xFFFE) {
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BIO_printf(bio_err, "Invalid PSS salt length %d\n", saltlen);
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goto end;
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} else
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sig_flags = saltlen;
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sig_flags <<= 16;
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sig_flags |= EVP_MD_CTX_FLAG_PAD_PSS;
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} else if (strcmp(*argv, "-signature") == 0) {
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if (--argc < 1)
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break;
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sigfile = *(++argv);
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} else if (strcmp(*argv, "-keyform") == 0) {
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if (--argc < 1)
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break;
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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") == 0) {
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if (--argc < 1)
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break;
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engine = *(++argv);
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}
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#endif
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else if (strcmp(*argv, "-hex") == 0)
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out_bin = 0;
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else if (strcmp(*argv, "-binary") == 0)
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out_bin = 1;
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else if (strcmp(*argv, "-d") == 0)
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debug = 1;
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else if (strcmp(*argv, "-non-fips-allow") == 0)
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non_fips_allow = 1;
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else if (!strcmp(*argv, "-fips-fingerprint"))
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hmac_key = "etaonrishdlcupfm";
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else if (!strcmp(*argv, "-hmac")) {
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if (--argc < 1)
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break;
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hmac_key = *++argv;
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} else if ((m = EVP_get_digestbyname(&((*argv)[1]))) != NULL)
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md = m;
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else
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break;
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argc--;
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argv++;
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}
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if (md == NULL)
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md = EVP_md5();
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if (do_verify && !sigfile) {
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BIO_printf(bio_err,
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"No signature to verify: use the -signature option\n");
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err = 1;
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goto end;
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}
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if ((argc > 0) && (argv[0][0] == '-')) { /* bad option */
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BIO_printf(bio_err, "unknown option '%s'\n", *argv);
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BIO_printf(bio_err, "options are\n");
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BIO_printf(bio_err,
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"-c to output the digest with separating colons\n");
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BIO_printf(bio_err, "-d to output debug info\n");
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BIO_printf(bio_err, "-hex output as hex dump\n");
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BIO_printf(bio_err, "-binary output in binary form\n");
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BIO_printf(bio_err,
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"-sign file sign digest using private key in file\n");
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BIO_printf(bio_err,
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"-verify file verify a signature using public key in file\n");
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BIO_printf(bio_err,
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"-prverify file verify a signature using private key in file\n");
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BIO_printf(bio_err,
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"-keyform arg key file format (PEM or ENGINE)\n");
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BIO_printf(bio_err, "-signature file signature to verify\n");
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BIO_printf(bio_err, "-binary output in binary form\n");
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BIO_printf(bio_err, "-hmac key create hashed MAC with key\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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BIO_printf(bio_err,
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"-%-14s to use the %s message digest algorithm (default)\n",
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LN_md5, LN_md5);
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BIO_printf(bio_err, "-%-14s to use the %s message digest algorithm\n",
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LN_md4, LN_md4);
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BIO_printf(bio_err, "-%-14s to use the %s message digest algorithm\n",
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LN_md2, LN_md2);
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#ifndef OPENSSL_NO_SHA
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BIO_printf(bio_err, "-%-14s to use the %s message digest algorithm\n",
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LN_sha1, LN_sha1);
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BIO_printf(bio_err, "-%-14s to use the %s message digest algorithm\n",
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LN_sha, LN_sha);
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# ifndef OPENSSL_NO_SHA256
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BIO_printf(bio_err, "-%-14s to use the %s message digest algorithm\n",
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LN_sha224, LN_sha224);
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BIO_printf(bio_err, "-%-14s to use the %s message digest algorithm\n",
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LN_sha256, LN_sha256);
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# endif
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# ifndef OPENSSL_NO_SHA512
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BIO_printf(bio_err, "-%-14s to use the %s message digest algorithm\n",
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LN_sha384, LN_sha384);
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BIO_printf(bio_err, "-%-14s to use the %s message digest algorithm\n",
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LN_sha512, LN_sha512);
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# endif
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#endif
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BIO_printf(bio_err, "-%-14s to use the %s message digest algorithm\n",
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LN_mdc2, LN_mdc2);
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BIO_printf(bio_err, "-%-14s to use the %s message digest algorithm\n",
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LN_ripemd160, LN_ripemd160);
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err = 1;
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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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in = BIO_new(BIO_s_file());
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bmd = BIO_new(BIO_f_md());
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if (debug) {
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BIO_set_callback(in, BIO_debug_callback);
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/* needed for windows 3.1 */
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BIO_set_callback_arg(in, (char *)bio_err);
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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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if ((in == NULL) || (bmd == NULL)) {
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ERR_print_errors(bio_err);
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goto end;
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}
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if (out_bin == -1) {
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if (keyfile)
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out_bin = 1;
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else
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out_bin = 0;
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}
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if (randfile)
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app_RAND_load_file(randfile, bio_err, 0);
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if (outfile) {
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if (out_bin)
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out = BIO_new_file(outfile, "wb");
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else
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out = BIO_new_file(outfile, "w");
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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 (!out) {
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BIO_printf(bio_err, "Error opening output file %s\n",
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outfile ? outfile : "(stdout)");
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ERR_print_errors(bio_err);
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goto end;
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}
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if (keyfile) {
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if (want_pub)
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sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
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e, "key file");
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else
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sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
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e, "key file");
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if (!sigkey) {
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/*
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* load_[pub]key() has already printed an appropriate message
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*/
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goto end;
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}
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}
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if (sigfile && sigkey) {
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BIO *sigbio;
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sigbio = BIO_new_file(sigfile, "rb");
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siglen = EVP_PKEY_size(sigkey);
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sigbuf = OPENSSL_malloc(siglen);
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if (!sigbio) {
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BIO_printf(bio_err, "Error opening signature file %s\n", sigfile);
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ERR_print_errors(bio_err);
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goto end;
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}
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siglen = BIO_read(sigbio, sigbuf, siglen);
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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 file %s\n", sigfile);
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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 (non_fips_allow) {
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EVP_MD_CTX *md_ctx;
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BIO_get_md_ctx(bmd, &md_ctx);
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EVP_MD_CTX_set_flags(md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
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}
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if (sig_flags) {
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EVP_MD_CTX *md_ctx;
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BIO_get_md_ctx(bmd, &md_ctx);
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EVP_MD_CTX_set_flags(md_ctx, sig_flags);
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}
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/* we use md as a filter, reading from 'in' */
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if (!BIO_set_md(bmd, md)) {
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BIO_printf(bio_err, "Error setting digest %s\n", pname);
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ERR_print_errors(bio_err);
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goto end;
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}
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inp = BIO_push(bmd, in);
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if (argc == 0) {
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BIO_set_fp(in, stdin, BIO_NOCLOSE);
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err = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
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siglen, "", "(stdin)", bmd, hmac_key, non_fips_allow);
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} else {
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name = OBJ_nid2sn(md->type);
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err = 0;
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for (i = 0; i < argc; i++) {
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char *tmp, *tofree = NULL;
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int r;
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if (BIO_read_filename(in, argv[i]) <= 0) {
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perror(argv[i]);
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err++;
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continue;
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}
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if (!out_bin) {
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size_t len =
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strlen(name) + strlen(argv[i]) + (hmac_key ? 5 : 0) + 5;
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tmp = tofree = OPENSSL_malloc(len);
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BIO_snprintf(tmp, len, "%s%s(%s)= ",
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hmac_key ? "HMAC-" : "", name, argv[i]);
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} else
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tmp = "";
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r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
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siglen, tmp, argv[i], bmd, hmac_key, non_fips_allow);
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if (r)
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err = r;
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if (tofree)
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OPENSSL_free(tofree);
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(void)BIO_reset(bmd);
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}
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}
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end:
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if (buf != NULL) {
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OPENSSL_cleanse(buf, BUFSIZE);
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OPENSSL_free(buf);
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}
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if (in != NULL)
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BIO_free(in);
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if (passin)
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OPENSSL_free(passin);
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BIO_free_all(out);
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EVP_PKEY_free(sigkey);
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if (sigbuf)
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OPENSSL_free(sigbuf);
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if (bmd != NULL)
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BIO_free(bmd);
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apps_shutdown();
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OPENSSL_EXIT(err);
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}
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int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
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EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title,
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const char *file, BIO *bmd, const char *hmac_key,
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int non_fips_allow)
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{
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unsigned int len;
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int i;
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EVP_MD_CTX *md_ctx;
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HMAC_CTX hmac_ctx;
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if (hmac_key) {
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EVP_MD *md;
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BIO_get_md(bmd, &md);
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HMAC_CTX_init(&hmac_ctx);
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HMAC_Init_ex(&hmac_ctx, hmac_key, strlen(hmac_key), md, NULL);
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BIO_get_md_ctx(bmd, &md_ctx);
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BIO_set_md_ctx(bmd, &hmac_ctx.md_ctx);
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}
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for (;;) {
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i = BIO_read(bp, (char *)buf, BUFSIZE);
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if (i < 0) {
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BIO_printf(bio_err, "Read Error in %s\n", file);
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ERR_print_errors(bio_err);
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return 1;
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}
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if (i == 0)
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break;
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}
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if (sigin) {
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EVP_MD_CTX *ctx;
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BIO_get_md_ctx(bp, &ctx);
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|
i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key);
|
|
if (i > 0)
|
|
BIO_printf(out, "Verified OK\n");
|
|
else if (i == 0) {
|
|
BIO_printf(out, "Verification Failure\n");
|
|
return 1;
|
|
} else {
|
|
BIO_printf(bio_err, "Error Verifying Data\n");
|
|
ERR_print_errors(bio_err);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
if (key) {
|
|
EVP_MD_CTX *ctx;
|
|
BIO_get_md_ctx(bp, &ctx);
|
|
if (!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key)) {
|
|
BIO_printf(bio_err, "Error Signing Data\n");
|
|
ERR_print_errors(bio_err);
|
|
return 1;
|
|
}
|
|
} else if (hmac_key) {
|
|
HMAC_Final(&hmac_ctx, buf, &len);
|
|
HMAC_CTX_cleanup(&hmac_ctx);
|
|
} else
|
|
len = BIO_gets(bp, (char *)buf, BUFSIZE);
|
|
|
|
if (binout)
|
|
BIO_write(out, buf, len);
|
|
else {
|
|
BIO_write(out, title, strlen(title));
|
|
for (i = 0; i < (int)len; i++) {
|
|
if (sep && (i != 0))
|
|
BIO_printf(out, ":");
|
|
BIO_printf(out, "%02x", buf[i]);
|
|
}
|
|
BIO_printf(out, "\n");
|
|
}
|
|
if (hmac_key) {
|
|
BIO_set_md_ctx(bmd, md_ctx);
|
|
}
|
|
return 0;
|
|
}
|