1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
62 #include <openssl/bio.h>
63 #include <openssl/err.h>
64 #include <openssl/evp.h>
65 #include <openssl/objects.h>
66 #include <openssl/x509.h>
67 #include <openssl/pem.h>
68 #include <openssl/hmac.h>
71 #define BUFSIZE 1024*8
73 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
74 EVP_PKEY *key, unsigned char *sigin, int siglen,
75 const char *sig_name, const char *md_name,
76 const char *file, BIO *bmd);
78 typedef enum OPTION_choice {
79 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
80 OPT_C, OPT_R, OPT_RAND, OPT_OUT, OPT_SIGN, OPT_PASSIN, OPT_VERIFY,
81 OPT_PRVERIFY, OPT_SIGNATURE, OPT_KEYFORM, OPT_ENGINE, OPT_ENGINE_IMPL,
82 OPT_HEX, OPT_BINARY, OPT_DEBUG, OPT_FIPS_FINGERPRINT,
83 OPT_NON_FIPS_ALLOW, OPT_HMAC, OPT_MAC, OPT_SIGOPT, OPT_MACOPT,
87 OPTIONS dgst_options[] = {
88 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [file...]\n"},
89 {OPT_HELP_STR, 1, '-',
90 " file... files to digest (default is stdin)\n"},
91 {"help", OPT_HELP, '-', "Display this summary"},
92 {"c", OPT_C, '-', "Print the digest with separating colons"},
93 {"r", OPT_R, '-', "Print the digest in coreutils format"},
94 {"rand", OPT_RAND, 's'},
95 {"out", OPT_OUT, '>', "Output to filename rather than stdout"},
96 {"passin", OPT_PASSIN, 's'},
97 {"sign", OPT_SIGN, '<', "Sign digest using private key in file"},
98 {"verify", OPT_VERIFY, '<',
99 "Verify a signature using public key in file"},
100 {"prverify", OPT_PRVERIFY, '<',
101 "Verify a signature using private key in file"},
102 {"signature", OPT_SIGNATURE, '<', "File with signature to verify"},
103 {"keyform", OPT_KEYFORM, 'f', "Key file format (PEM or ENGINE)"},
104 #ifndef OPENSSL_NO_ENGINE
105 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
107 {"engine_impl", OPT_ENGINE_IMPL, '-'},
108 {"hex", OPT_HEX, '-', "Print as hex dump"},
109 {"binary", OPT_BINARY, '-', "Print in binary form"},
110 {"d", OPT_DEBUG, '-', "Print debug info"},
111 {"debug", OPT_DEBUG, '-'},
112 {"fips-fingerprint", OPT_FIPS_FINGERPRINT, '-'},
113 {"non-fips-allow", OPT_NON_FIPS_ALLOW, '-'},
114 {"hmac", OPT_HMAC, 's', "Create hashed MAC with key"},
115 {"mac", OPT_MAC, 's', "Create MAC (not neccessarily HMAC)"},
116 {"sigop", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
117 {"macop", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form or key"},
118 {"", OPT_DIGEST, '-', "Any supported digest"},
122 int dgst_main(int argc, char **argv)
124 BIO *in = NULL, *inp, *bmd = NULL, *out = NULL;
125 ENGINE *e = NULL, *impl = NULL;
126 EVP_PKEY *sigkey = NULL;
127 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;
128 char *hmac_key = NULL;
129 char *mac_name = NULL;
130 char *passinarg = NULL, *passin = NULL;
131 const EVP_MD *md = NULL, *m;
132 const char *outfile = NULL, *keyfile = NULL, *prog = NULL;
133 const char *sigfile = NULL, *randfile = NULL;
135 int separator = 0, debug = 0, keyform = FORMAT_PEM, siglen = 0;
136 int i, ret = 1, out_bin = -1, want_pub = 0, do_verify =
137 0, non_fips_allow = 0;
138 unsigned char *buf = NULL, *sigbuf = NULL;
139 #ifndef OPENSSL_NO_ENGINE
144 prog = opt_progname(argv[0]);
145 if ((buf = (unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL) {
146 BIO_printf(bio_err, "%s: out of memory\n", prog);
149 md = EVP_get_digestbyname(prog);
151 prog = opt_init(argc, argv, dgst_options);
152 while ((o = opt_next()) != OPT_EOF) {
157 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
160 opt_help(dgst_options);
170 randfile = opt_arg();
179 passinarg = opt_arg();
183 want_pub = do_verify = 1;
193 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
196 #ifndef OPENSSL_NO_ENGINE
199 e = setup_engine(engine, 0);
201 case OPT_ENGINE_IMPL:
214 case OPT_FIPS_FINGERPRINT:
215 hmac_key = "etaonrishdlcupfm";
217 case OPT_NON_FIPS_ALLOW:
221 hmac_key = opt_arg();
224 mac_name = opt_arg();
228 sigopts = sk_OPENSSL_STRING_new_null();
229 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
234 macopts = sk_OPENSSL_STRING_new_null();
235 if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg()))
239 if (!opt_md(opt_unknown(), &m))
245 argc = opt_num_rest();
248 if (do_verify && !sigfile) {
250 "No signature to verify: use the -signature option\n");
253 #ifndef OPENSSL_NO_ENGINE
258 in = BIO_new(BIO_s_file());
259 bmd = BIO_new(BIO_f_md());
260 if ((in == NULL) || (bmd == NULL)) {
261 ERR_print_errors(bio_err);
266 BIO_set_callback(in, BIO_debug_callback);
267 /* needed for windows 3.1 */
268 BIO_set_callback_arg(in, (char *)bio_err);
271 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
272 BIO_printf(bio_err, "Error getting password\n");
284 app_RAND_load_file(randfile, 0);
286 out = bio_open_default(outfile, out_bin ? "wb" : "w");
290 if ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) {
291 BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
297 sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file");
299 sigkey = load_key(keyfile, keyform, 0, passin, e, "key file");
302 * load_[pub]key() has already printed an appropriate message
309 EVP_PKEY_CTX *mac_ctx = NULL;
311 if (!init_gen_str(&mac_ctx, mac_name, impl, 0))
315 for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
316 macopt = sk_OPENSSL_STRING_value(macopts, i);
317 if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
319 "MAC parameter error \"%s\"\n", macopt);
320 ERR_print_errors(bio_err);
325 if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
326 BIO_puts(bio_err, "Error generating key\n");
327 ERR_print_errors(bio_err);
332 EVP_PKEY_CTX_free(mac_ctx);
337 if (non_fips_allow) {
339 BIO_get_md_ctx(bmd, &md_ctx);
340 EVP_MD_CTX_set_flags(md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
344 sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl,
345 (unsigned char *)hmac_key, -1);
351 EVP_MD_CTX *mctx = NULL;
352 EVP_PKEY_CTX *pctx = NULL;
354 if (!BIO_get_md_ctx(bmd, &mctx)) {
355 BIO_printf(bio_err, "Error getting context\n");
356 ERR_print_errors(bio_err);
360 r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey);
362 r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey);
364 BIO_printf(bio_err, "Error setting context\n");
365 ERR_print_errors(bio_err);
370 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
371 sigopt = sk_OPENSSL_STRING_value(sigopts, i);
372 if (pkey_ctrl_string(pctx, sigopt) <= 0) {
373 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
374 ERR_print_errors(bio_err);
380 /* we use md as a filter, reading from 'in' */
382 EVP_MD_CTX *mctx = NULL;
383 if (!BIO_get_md_ctx(bmd, &mctx)) {
384 BIO_printf(bio_err, "Error getting context\n");
385 ERR_print_errors(bio_err);
390 if (!EVP_DigestInit_ex(mctx, md, impl)) {
391 BIO_printf(bio_err, "Error setting digest\n");
392 ERR_print_errors(bio_err);
397 if (sigfile && sigkey) {
398 BIO *sigbio = BIO_new_file(sigfile, "rb");
400 BIO_printf(bio_err, "Error opening signature file %s\n", sigfile);
401 ERR_print_errors(bio_err);
404 siglen = EVP_PKEY_size(sigkey);
405 sigbuf = OPENSSL_malloc(siglen);
407 BIO_printf(bio_err, "Out of memory\n");
410 siglen = BIO_read(sigbio, sigbuf, siglen);
413 BIO_printf(bio_err, "Error reading signature file %s\n", sigfile);
414 ERR_print_errors(bio_err);
418 inp = BIO_push(bmd, in);
422 BIO_get_md_ctx(bmd, &tctx);
423 md = EVP_MD_CTX_md(tctx);
427 BIO_set_fp(in, stdin, BIO_NOCLOSE);
428 ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
429 siglen, NULL, NULL, "stdin", bmd);
431 const char *md_name = NULL, *sig_name = NULL;
434 const EVP_PKEY_ASN1_METHOD *ameth;
435 ameth = EVP_PKEY_get0_asn1(sigkey);
437 EVP_PKEY_asn1_get0_info(NULL, NULL,
438 NULL, NULL, &sig_name, ameth);
441 md_name = EVP_MD_name(md);
444 for (i = 0; i < argc; i++) {
446 if (BIO_read_filename(in, argv[i]) <= 0) {
451 r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
452 siglen, sig_name, md_name, argv[i], bmd);
455 (void)BIO_reset(bmd);
460 OPENSSL_cleanse(buf, BUFSIZE);
465 OPENSSL_free(passin);
467 EVP_PKEY_free(sigkey);
469 sk_OPENSSL_STRING_free(sigopts);
471 sk_OPENSSL_STRING_free(macopts);
473 OPENSSL_free(sigbuf);
478 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
479 EVP_PKEY *key, unsigned char *sigin, int siglen,
480 const char *sig_name, const char *md_name,
481 const char *file, BIO *bmd)
487 i = BIO_read(bp, (char *)buf, BUFSIZE);
489 BIO_printf(bio_err, "Read Error in %s\n", file);
490 ERR_print_errors(bio_err);
498 BIO_get_md_ctx(bp, &ctx);
499 i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
501 BIO_printf(out, "Verified OK\n");
503 BIO_printf(out, "Verification Failure\n");
506 BIO_printf(bio_err, "Error Verifying Data\n");
507 ERR_print_errors(bio_err);
514 BIO_get_md_ctx(bp, &ctx);
516 if (!EVP_DigestSignFinal(ctx, buf, &len)) {
517 BIO_printf(bio_err, "Error Signing Data\n");
518 ERR_print_errors(bio_err);
522 len = BIO_gets(bp, (char *)buf, BUFSIZE);
524 ERR_print_errors(bio_err);
530 BIO_write(out, buf, len);
532 for (i = 0; i < (int)len; i++)
533 BIO_printf(out, "%02x", buf[i]);
534 BIO_printf(out, " *%s\n", file);
537 BIO_puts(out, sig_name);
539 BIO_printf(out, "-%s", md_name);
540 BIO_printf(out, "(%s)= ", file);
542 BIO_printf(out, "%s(%s)= ", md_name, file);
544 BIO_printf(out, "(%s)= ", file);
545 for (i = 0; i < (int)len; i++) {
547 BIO_printf(out, ":");
548 BIO_printf(out, "%02x", buf[i]);
550 BIO_printf(out, "\n");