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598 lines
19 KiB
598 lines
19 KiB
/* 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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|
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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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|
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#undef BUFSIZE |
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#define BUFSIZE 1024*8 |
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|
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#undef PROG |
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#define PROG dgst_main |
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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, |
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const char *sig_name, const char *md_name, |
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const char *file, BIO *bmd); |
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|
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static void list_md_fn(const EVP_MD *m, |
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const char *from, const char *to, void *arg) |
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{ |
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const char *mname; |
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/* Skip aliases */ |
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if (!m) |
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return; |
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mname = OBJ_nid2ln(EVP_MD_type(m)); |
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/* Skip shortnames */ |
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if (strcmp(from, mname)) |
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return; |
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/* Skip clones */ |
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if (EVP_MD_flags(m) & EVP_MD_FLAG_PKEY_DIGEST) |
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return; |
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if (strchr(mname, ' ')) |
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mname = EVP_MD_name(m); |
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BIO_printf(arg, "-%-14s to use the %s message digest algorithm\n", |
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mname, mname); |
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} |
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|
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int MAIN(int, char **); |
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|
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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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#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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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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char *mac_name = NULL; |
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int non_fips_allow = 0; |
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STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL; |
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|
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apps_startup(); |
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|
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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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|
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if (!load_config(bio_err, NULL)) |
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goto end; |
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|
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/* first check the program name */ |
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program_name(argv[0], pname, sizeof pname); |
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|
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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, "-r") == 0) |
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separator = 2; |
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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, "-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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e = setup_engine(bio_err, engine, 0); |
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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, "-fips-fingerprint")) |
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hmac_key = "etaonrishdlcupfm"; |
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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, "-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 (!strcmp(*argv, "-mac")) { |
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if (--argc < 1) |
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break; |
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mac_name = *++argv; |
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} else if (strcmp(*argv, "-sigopt") == 0) { |
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if (--argc < 1) |
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break; |
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if (!sigopts) |
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sigopts = sk_OPENSSL_STRING_new_null(); |
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if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv))) |
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break; |
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} else if (strcmp(*argv, "-macopt") == 0) { |
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if (--argc < 1) |
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break; |
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if (!macopts) |
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macopts = sk_OPENSSL_STRING_new_null(); |
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if (!macopts || !sk_OPENSSL_STRING_push(macopts, *(++argv))) |
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break; |
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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 (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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goto end; |
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} |
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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, |
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"-r to output the digest in coreutils format\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, "-hmac arg set the HMAC key to arg\n"); |
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BIO_printf(bio_err, "-non-fips-allow allow use of non FIPS digest\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, |
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"-out filename output to filename rather than stdout\n"); |
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BIO_printf(bio_err, "-signature file signature to verify\n"); |
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BIO_printf(bio_err, "-sigopt nm:v signature parameter\n"); |
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BIO_printf(bio_err, "-hmac key create hashed MAC with key\n"); |
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BIO_printf(bio_err, |
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"-mac algorithm create MAC (not neccessarily HMAC)\n"); |
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BIO_printf(bio_err, |
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"-macopt nm:v MAC algorithm parameters or 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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EVP_MD_do_all_sorted(list_md_fn, bio_err); |
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goto end; |
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} |
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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 ((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 (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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|
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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 (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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|
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if (randfile) |
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app_RAND_load_file(randfile, bio_err, 0); |
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|
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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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|
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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 ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) { |
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BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n"); |
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goto end; |
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} |
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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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|
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if (mac_name) { |
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EVP_PKEY_CTX *mac_ctx = NULL; |
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int r = 0; |
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if (!init_gen_str(bio_err, &mac_ctx, mac_name, e, 0)) |
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goto mac_end; |
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if (macopts) { |
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char *macopt; |
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for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) { |
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macopt = sk_OPENSSL_STRING_value(macopts, i); |
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if (pkey_ctrl_string(mac_ctx, macopt) <= 0) { |
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BIO_printf(bio_err, |
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"MAC parameter error \"%s\"\n", macopt); |
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ERR_print_errors(bio_err); |
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goto mac_end; |
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} |
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} |
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} |
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if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) { |
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BIO_puts(bio_err, "Error generating key\n"); |
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ERR_print_errors(bio_err); |
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goto mac_end; |
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} |
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r = 1; |
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mac_end: |
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if (mac_ctx) |
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EVP_PKEY_CTX_free(mac_ctx); |
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if (r == 0) |
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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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|
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if (hmac_key) { |
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sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, e, |
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(unsigned char *)hmac_key, -1); |
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if (!sigkey) |
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goto end; |
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} |
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|
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if (sigkey) { |
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EVP_MD_CTX *mctx = NULL; |
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EVP_PKEY_CTX *pctx = NULL; |
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int r; |
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if (!BIO_get_md_ctx(bmd, &mctx)) { |
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BIO_printf(bio_err, "Error getting 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 (do_verify) |
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r = EVP_DigestVerifyInit(mctx, &pctx, md, NULL, sigkey); |
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else |
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r = EVP_DigestSignInit(mctx, &pctx, md, NULL, sigkey); |
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if (!r) { |
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BIO_printf(bio_err, "Error setting 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 (sigopts) { |
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char *sigopt; |
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for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) { |
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sigopt = sk_OPENSSL_STRING_value(sigopts, i); |
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if (pkey_ctrl_string(pctx, sigopt) <= 0) { |
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BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt); |
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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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} |
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/* we use md as a filter, reading from 'in' */ |
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else { |
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if (md == NULL) |
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md = EVP_md5(); |
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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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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); |
|
ERR_print_errors(bio_err); |
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goto end; |
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} |
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if (!sigbuf) { |
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BIO_printf(bio_err, "Out of memory\n"); |
|
ERR_print_errors(bio_err); |
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goto end; |
|
} |
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siglen = BIO_read(sigbio, sigbuf, siglen); |
|
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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} |
|
inp = BIO_push(bmd, in); |
|
|
|
if (md == NULL) { |
|
EVP_MD_CTX *tctx; |
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BIO_get_md_ctx(bmd, &tctx); |
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md = EVP_MD_CTX_md(tctx); |
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} |
|
|
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if (argc == 0) { |
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BIO_set_fp(in, stdin, BIO_NOCLOSE); |
|
err = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf, |
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siglen, NULL, NULL, "stdin", bmd); |
|
} else { |
|
const char *md_name = NULL, *sig_name = NULL; |
|
if (!out_bin) { |
|
if (sigkey) { |
|
const EVP_PKEY_ASN1_METHOD *ameth; |
|
ameth = EVP_PKEY_get0_asn1(sigkey); |
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if (ameth) |
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EVP_PKEY_asn1_get0_info(NULL, NULL, |
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NULL, NULL, &sig_name, ameth); |
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} |
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md_name = EVP_MD_name(md); |
|
} |
|
err = 0; |
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for (i = 0; i < argc; i++) { |
|
int r; |
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if (BIO_read_filename(in, argv[i]) <= 0) { |
|
perror(argv[i]); |
|
err++; |
|
continue; |
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} else |
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r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf, |
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siglen, sig_name, md_name, argv[i], bmd); |
|
if (r) |
|
err = r; |
|
(void)BIO_reset(bmd); |
|
} |
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} |
|
end: |
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if (buf != NULL) { |
|
OPENSSL_cleanse(buf, BUFSIZE); |
|
OPENSSL_free(buf); |
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} |
|
if (in != NULL) |
|
BIO_free(in); |
|
if (passin) |
|
OPENSSL_free(passin); |
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BIO_free_all(out); |
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EVP_PKEY_free(sigkey); |
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if (sigopts) |
|
sk_OPENSSL_STRING_free(sigopts); |
|
if (macopts) |
|
sk_OPENSSL_STRING_free(macopts); |
|
if (sigbuf) |
|
OPENSSL_free(sigbuf); |
|
if (bmd != NULL) |
|
BIO_free(bmd); |
|
apps_shutdown(); |
|
OPENSSL_EXIT(err); |
|
} |
|
|
|
int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
|
EVP_PKEY *key, unsigned char *sigin, int siglen, |
|
const char *sig_name, const char *md_name, |
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const char *file, BIO *bmd) |
|
{ |
|
size_t len; |
|
int i; |
|
|
|
for (;;) { |
|
i = BIO_read(bp, (char *)buf, BUFSIZE); |
|
if (i < 0) { |
|
BIO_printf(bio_err, "Read Error in %s\n", file); |
|
ERR_print_errors(bio_err); |
|
return 1; |
|
} |
|
if (i == 0) |
|
break; |
|
} |
|
if (sigin) { |
|
EVP_MD_CTX *ctx; |
|
BIO_get_md_ctx(bp, &ctx); |
|
i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen); |
|
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); |
|
len = BUFSIZE; |
|
if (!EVP_DigestSignFinal(ctx, buf, &len)) { |
|
BIO_printf(bio_err, "Error Signing Data\n"); |
|
ERR_print_errors(bio_err); |
|
return 1; |
|
} |
|
} else { |
|
len = BIO_gets(bp, (char *)buf, BUFSIZE); |
|
if ((int)len < 0) { |
|
ERR_print_errors(bio_err); |
|
return 1; |
|
} |
|
} |
|
|
|
if (binout) |
|
BIO_write(out, buf, len); |
|
else if (sep == 2) { |
|
for (i = 0; i < (int)len; i++) |
|
BIO_printf(out, "%02x", buf[i]); |
|
BIO_printf(out, " *%s\n", file); |
|
} else { |
|
if (sig_name) |
|
BIO_printf(out, "%s-%s(%s)= ", sig_name, md_name, file); |
|
else if (md_name) |
|
BIO_printf(out, "%s(%s)= ", md_name, file); |
|
else |
|
BIO_printf(out, "(%s)= ", file); |
|
for (i = 0; i < (int)len; i++) { |
|
if (sep && (i != 0)) |
|
BIO_printf(out, ":"); |
|
BIO_printf(out, "%02x", buf[i]); |
|
} |
|
BIO_printf(out, "\n"); |
|
} |
|
return 0; |
|
}
|
|
|