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,
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_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 "Use file(s) containing random data to seed RNG or an EGD sock"},
96 {"out", OPT_OUT, '>', "Output to filename rather than stdout"},
97 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
98 {"sign", OPT_SIGN, 's', "Sign digest using private key"},
99 {"verify", OPT_VERIFY, 's',
100 "Verify a signature using public key"},
101 {"prverify", OPT_PRVERIFY, 's',
102 "Verify a signature using private key"},
103 {"signature", OPT_SIGNATURE, '<', "File with signature to verify"},
104 {"keyform", OPT_KEYFORM, 'f', "Key file format (PEM or ENGINE)"},
105 {"hex", OPT_HEX, '-', "Print as hex dump"},
106 {"binary", OPT_BINARY, '-', "Print in binary form"},
107 {"d", OPT_DEBUG, '-', "Print debug info"},
108 {"debug", OPT_DEBUG, '-', "Print debug info"},
109 {"fips-fingerprint", OPT_FIPS_FINGERPRINT, '-',
110 "Compute HMAC with the key used in OpenSSL-FIPS fingerprint"},
111 {"hmac", OPT_HMAC, 's', "Create hashed MAC with key"},
112 {"mac", OPT_MAC, 's', "Create MAC (not necessarily HMAC)"},
113 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
114 {"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form or key"},
115 {"", OPT_DIGEST, '-', "Any supported digest"},
116 #ifndef OPENSSL_NO_ENGINE
117 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
118 {"engine_impl", OPT_ENGINE_IMPL, '-',
119 "Also use engine given by -engine for digest operations"},
124 int dgst_main(int argc, char **argv)
126 BIO *in = NULL, *inp, *bmd = NULL, *out = NULL;
127 ENGINE *e = NULL, *impl = NULL;
128 EVP_PKEY *sigkey = NULL;
129 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;
130 char *hmac_key = NULL;
131 char *mac_name = NULL;
132 char *passinarg = NULL, *passin = NULL;
133 const EVP_MD *md = NULL, *m;
134 const char *outfile = NULL, *keyfile = NULL, *prog = NULL;
135 const char *sigfile = NULL, *randfile = NULL;
137 int separator = 0, debug = 0, keyform = FORMAT_PEM, siglen = 0;
138 int i, ret = 1, out_bin = -1, want_pub = 0, do_verify = 0;
139 unsigned char *buf = NULL, *sigbuf = NULL;
142 prog = opt_progname(argv[0]);
143 buf = app_malloc(BUFSIZE, "I/O buffer");
144 md = EVP_get_digestbyname(prog);
146 prog = opt_init(argc, argv, dgst_options);
147 while ((o = opt_next()) != OPT_EOF) {
152 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
155 opt_help(dgst_options);
165 randfile = opt_arg();
174 passinarg = opt_arg();
178 want_pub = do_verify = 1;
188 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
192 e = setup_engine(opt_arg(), 0);
194 case OPT_ENGINE_IMPL:
206 case OPT_FIPS_FINGERPRINT:
207 hmac_key = "etaonrishdlcupfm";
210 hmac_key = opt_arg();
213 mac_name = opt_arg();
217 sigopts = sk_OPENSSL_STRING_new_null();
218 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
223 macopts = sk_OPENSSL_STRING_new_null();
224 if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg()))
228 if (!opt_md(opt_unknown(), &m))
234 argc = opt_num_rest();
237 if (do_verify && !sigfile) {
239 "No signature to verify: use the -signature option\n");
245 in = BIO_new(BIO_s_file());
246 bmd = BIO_new(BIO_f_md());
247 if ((in == NULL) || (bmd == NULL)) {
248 ERR_print_errors(bio_err);
253 BIO_set_callback(in, BIO_debug_callback);
254 /* needed for windows 3.1 */
255 BIO_set_callback_arg(in, (char *)bio_err);
258 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
259 BIO_printf(bio_err, "Error getting password\n");
271 app_RAND_load_file(randfile, 0);
273 out = bio_open_default(outfile, 'w', out_bin ? FORMAT_BINARY : FORMAT_TEXT);
277 if ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) {
278 BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
284 sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file");
286 sigkey = load_key(keyfile, keyform, 0, passin, e, "key file");
289 * load_[pub]key() has already printed an appropriate message
296 EVP_PKEY_CTX *mac_ctx = NULL;
298 if (!init_gen_str(&mac_ctx, mac_name, impl, 0))
302 for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
303 macopt = sk_OPENSSL_STRING_value(macopts, i);
304 if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
306 "MAC parameter error \"%s\"\n", macopt);
307 ERR_print_errors(bio_err);
312 if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
313 BIO_puts(bio_err, "Error generating key\n");
314 ERR_print_errors(bio_err);
319 EVP_PKEY_CTX_free(mac_ctx);
325 sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl,
326 (unsigned char *)hmac_key, -1);
332 EVP_MD_CTX *mctx = NULL;
333 EVP_PKEY_CTX *pctx = NULL;
335 if (!BIO_get_md_ctx(bmd, &mctx)) {
336 BIO_printf(bio_err, "Error getting context\n");
337 ERR_print_errors(bio_err);
341 r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey);
343 r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey);
345 BIO_printf(bio_err, "Error setting context\n");
346 ERR_print_errors(bio_err);
351 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
352 sigopt = sk_OPENSSL_STRING_value(sigopts, i);
353 if (pkey_ctrl_string(pctx, sigopt) <= 0) {
354 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
355 ERR_print_errors(bio_err);
361 /* we use md as a filter, reading from 'in' */
363 EVP_MD_CTX *mctx = NULL;
364 if (!BIO_get_md_ctx(bmd, &mctx)) {
365 BIO_printf(bio_err, "Error getting context\n");
366 ERR_print_errors(bio_err);
371 if (!EVP_DigestInit_ex(mctx, md, impl)) {
372 BIO_printf(bio_err, "Error setting digest\n");
373 ERR_print_errors(bio_err);
378 if (sigfile && sigkey) {
379 BIO *sigbio = BIO_new_file(sigfile, "rb");
381 BIO_printf(bio_err, "Error opening signature file %s\n", sigfile);
382 ERR_print_errors(bio_err);
385 siglen = EVP_PKEY_size(sigkey);
386 sigbuf = app_malloc(siglen, "signature buffer");
387 siglen = BIO_read(sigbio, sigbuf, siglen);
390 BIO_printf(bio_err, "Error reading signature file %s\n", sigfile);
391 ERR_print_errors(bio_err);
395 inp = BIO_push(bmd, in);
399 BIO_get_md_ctx(bmd, &tctx);
400 md = EVP_MD_CTX_md(tctx);
404 BIO_set_fp(in, stdin, BIO_NOCLOSE);
405 ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
406 siglen, NULL, NULL, "stdin");
408 const char *md_name = NULL, *sig_name = NULL;
411 const EVP_PKEY_ASN1_METHOD *ameth;
412 ameth = EVP_PKEY_get0_asn1(sigkey);
414 EVP_PKEY_asn1_get0_info(NULL, NULL,
415 NULL, NULL, &sig_name, ameth);
418 md_name = EVP_MD_name(md);
421 for (i = 0; i < argc; i++) {
423 if (BIO_read_filename(in, argv[i]) <= 0) {
428 r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
429 siglen, sig_name, md_name, argv[i]);
432 (void)BIO_reset(bmd);
436 OPENSSL_clear_free(buf, BUFSIZE);
438 OPENSSL_free(passin);
440 EVP_PKEY_free(sigkey);
441 sk_OPENSSL_STRING_free(sigopts);
442 sk_OPENSSL_STRING_free(macopts);
443 OPENSSL_free(sigbuf);
448 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
449 EVP_PKEY *key, unsigned char *sigin, int siglen,
450 const char *sig_name, const char *md_name,
457 i = BIO_read(bp, (char *)buf, BUFSIZE);
459 BIO_printf(bio_err, "Read Error in %s\n", file);
460 ERR_print_errors(bio_err);
468 BIO_get_md_ctx(bp, &ctx);
469 i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
471 BIO_printf(out, "Verified OK\n");
473 BIO_printf(out, "Verification Failure\n");
476 BIO_printf(bio_err, "Error Verifying Data\n");
477 ERR_print_errors(bio_err);
484 BIO_get_md_ctx(bp, &ctx);
486 if (!EVP_DigestSignFinal(ctx, buf, &len)) {
487 BIO_printf(bio_err, "Error Signing Data\n");
488 ERR_print_errors(bio_err);
492 len = BIO_gets(bp, (char *)buf, BUFSIZE);
494 ERR_print_errors(bio_err);
500 BIO_write(out, buf, len);
502 for (i = 0; i < (int)len; i++)
503 BIO_printf(out, "%02x", buf[i]);
504 BIO_printf(out, " *%s\n", file);
507 BIO_puts(out, sig_name);
509 BIO_printf(out, "-%s", md_name);
510 BIO_printf(out, "(%s)= ", file);
512 BIO_printf(out, "%s(%s)= ", md_name, file);
514 BIO_printf(out, "(%s)= ", file);
515 for (i = 0; i < (int)len; i++) {
517 BIO_printf(out, ":");
518 BIO_printf(out, "%02x", buf[i]);
520 BIO_printf(out, "\n");