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_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 {"hex", OPT_HEX, '-', "Print as hex dump"},
105 {"binary", OPT_BINARY, '-', "Print in binary form"},
106 {"d", OPT_DEBUG, '-', "Print debug info"},
107 {"debug", OPT_DEBUG, '-'},
108 {"fips-fingerprint", OPT_FIPS_FINGERPRINT, '-'},
109 {"hmac", OPT_HMAC, 's', "Create hashed MAC with key"},
110 {"mac", OPT_MAC, 's', "Create MAC (not necessarily HMAC)"},
111 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
112 {"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form or key"},
113 {"", OPT_DIGEST, '-', "Any supported digest"},
114 #ifndef OPENSSL_NO_ENGINE
115 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
116 {"engine_impl", OPT_ENGINE_IMPL, '-'},
121 int dgst_main(int argc, char **argv)
123 BIO *in = NULL, *inp, *bmd = NULL, *out = NULL;
124 ENGINE *e = NULL, *impl = NULL;
125 EVP_PKEY *sigkey = NULL;
126 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;
127 char *hmac_key = NULL;
128 char *mac_name = NULL;
129 char *passinarg = NULL, *passin = NULL;
130 const EVP_MD *md = NULL, *m;
131 const char *outfile = NULL, *keyfile = NULL, *prog = NULL;
132 const char *sigfile = NULL, *randfile = NULL;
134 int separator = 0, debug = 0, keyform = FORMAT_PEM, siglen = 0;
135 int i, ret = 1, out_bin = -1, want_pub = 0, do_verify = 0;
136 unsigned char *buf = NULL, *sigbuf = NULL;
139 prog = opt_progname(argv[0]);
140 buf = app_malloc(BUFSIZE, "I/O buffer");
141 md = EVP_get_digestbyname(prog);
143 prog = opt_init(argc, argv, dgst_options);
144 while ((o = opt_next()) != OPT_EOF) {
149 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
152 opt_help(dgst_options);
162 randfile = opt_arg();
171 passinarg = opt_arg();
175 want_pub = do_verify = 1;
185 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
189 e = setup_engine(opt_arg(), 0);
191 case OPT_ENGINE_IMPL:
203 case OPT_FIPS_FINGERPRINT:
204 hmac_key = "etaonrishdlcupfm";
207 hmac_key = opt_arg();
210 mac_name = opt_arg();
214 sigopts = sk_OPENSSL_STRING_new_null();
215 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
220 macopts = sk_OPENSSL_STRING_new_null();
221 if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg()))
225 if (!opt_md(opt_unknown(), &m))
231 argc = opt_num_rest();
234 if (do_verify && !sigfile) {
236 "No signature to verify: use the -signature option\n");
242 in = BIO_new(BIO_s_file());
243 bmd = BIO_new(BIO_f_md());
244 if ((in == NULL) || (bmd == NULL)) {
245 ERR_print_errors(bio_err);
250 BIO_set_callback(in, BIO_debug_callback);
251 /* needed for windows 3.1 */
252 BIO_set_callback_arg(in, (char *)bio_err);
255 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
256 BIO_printf(bio_err, "Error getting password\n");
268 app_RAND_load_file(randfile, 0);
270 out = bio_open_default(outfile, 'w', out_bin ? FORMAT_BINARY : FORMAT_TEXT);
274 if ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) {
275 BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
281 sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file");
283 sigkey = load_key(keyfile, keyform, 0, passin, e, "key file");
286 * load_[pub]key() has already printed an appropriate message
293 EVP_PKEY_CTX *mac_ctx = NULL;
295 if (!init_gen_str(&mac_ctx, mac_name, impl, 0))
299 for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
300 macopt = sk_OPENSSL_STRING_value(macopts, i);
301 if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
303 "MAC parameter error \"%s\"\n", macopt);
304 ERR_print_errors(bio_err);
309 if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
310 BIO_puts(bio_err, "Error generating key\n");
311 ERR_print_errors(bio_err);
316 EVP_PKEY_CTX_free(mac_ctx);
322 sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl,
323 (unsigned char *)hmac_key, -1);
329 EVP_MD_CTX *mctx = NULL;
330 EVP_PKEY_CTX *pctx = NULL;
332 if (!BIO_get_md_ctx(bmd, &mctx)) {
333 BIO_printf(bio_err, "Error getting context\n");
334 ERR_print_errors(bio_err);
338 r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey);
340 r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey);
342 BIO_printf(bio_err, "Error setting context\n");
343 ERR_print_errors(bio_err);
348 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
349 sigopt = sk_OPENSSL_STRING_value(sigopts, i);
350 if (pkey_ctrl_string(pctx, sigopt) <= 0) {
351 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
352 ERR_print_errors(bio_err);
358 /* we use md as a filter, reading from 'in' */
360 EVP_MD_CTX *mctx = NULL;
361 if (!BIO_get_md_ctx(bmd, &mctx)) {
362 BIO_printf(bio_err, "Error getting context\n");
363 ERR_print_errors(bio_err);
368 if (!EVP_DigestInit_ex(mctx, md, impl)) {
369 BIO_printf(bio_err, "Error setting digest\n");
370 ERR_print_errors(bio_err);
375 if (sigfile && sigkey) {
376 BIO *sigbio = BIO_new_file(sigfile, "rb");
378 BIO_printf(bio_err, "Error opening signature file %s\n", sigfile);
379 ERR_print_errors(bio_err);
382 siglen = EVP_PKEY_size(sigkey);
383 sigbuf = app_malloc(siglen, "signature buffer");
384 siglen = BIO_read(sigbio, sigbuf, siglen);
387 BIO_printf(bio_err, "Error reading signature file %s\n", sigfile);
388 ERR_print_errors(bio_err);
392 inp = BIO_push(bmd, in);
396 BIO_get_md_ctx(bmd, &tctx);
397 md = EVP_MD_CTX_md(tctx);
401 BIO_set_fp(in, stdin, BIO_NOCLOSE);
402 ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
403 siglen, NULL, NULL, "stdin", bmd);
405 const char *md_name = NULL, *sig_name = NULL;
408 const EVP_PKEY_ASN1_METHOD *ameth;
409 ameth = EVP_PKEY_get0_asn1(sigkey);
411 EVP_PKEY_asn1_get0_info(NULL, NULL,
412 NULL, NULL, &sig_name, ameth);
415 md_name = EVP_MD_name(md);
418 for (i = 0; i < argc; i++) {
420 if (BIO_read_filename(in, argv[i]) <= 0) {
425 r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
426 siglen, sig_name, md_name, argv[i], bmd);
429 (void)BIO_reset(bmd);
433 OPENSSL_clear_free(buf, BUFSIZE);
435 OPENSSL_free(passin);
437 EVP_PKEY_free(sigkey);
438 sk_OPENSSL_STRING_free(sigopts);
439 sk_OPENSSL_STRING_free(macopts);
440 OPENSSL_free(sigbuf);
445 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
446 EVP_PKEY *key, unsigned char *sigin, int siglen,
447 const char *sig_name, const char *md_name,
448 const char *file, BIO *bmd)
454 i = BIO_read(bp, (char *)buf, BUFSIZE);
456 BIO_printf(bio_err, "Read Error in %s\n", file);
457 ERR_print_errors(bio_err);
465 BIO_get_md_ctx(bp, &ctx);
466 i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
468 BIO_printf(out, "Verified OK\n");
470 BIO_printf(out, "Verification Failure\n");
473 BIO_printf(bio_err, "Error Verifying Data\n");
474 ERR_print_errors(bio_err);
481 BIO_get_md_ctx(bp, &ctx);
483 if (!EVP_DigestSignFinal(ctx, buf, &len)) {
484 BIO_printf(bio_err, "Error Signing Data\n");
485 ERR_print_errors(bio_err);
489 len = BIO_gets(bp, (char *)buf, BUFSIZE);
491 ERR_print_errors(bio_err);
497 BIO_write(out, buf, len);
499 for (i = 0; i < (int)len; i++)
500 BIO_printf(out, "%02x", buf[i]);
501 BIO_printf(out, " *%s\n", file);
504 BIO_puts(out, sig_name);
506 BIO_printf(out, "-%s", md_name);
507 BIO_printf(out, "(%s)= ", file);
509 BIO_printf(out, "%s(%s)= ", md_name, file);
511 BIO_printf(out, "(%s)= ", file);
512 for (i = 0; i < (int)len; i++) {
514 BIO_printf(out, ":");
515 BIO_printf(out, "%02x", buf[i]);
517 BIO_printf(out, "\n");