2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
63 #include <openssl/bio.h>
64 #include <openssl/err.h>
65 #include <openssl/evp.h>
66 #include <openssl/objects.h>
67 #include <openssl/x509.h>
68 #include <openssl/pem.h>
69 #include <openssl/hmac.h>
72 #define BUFSIZE 1024*8
75 #define PROG dgst_main
77 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
78 EVP_PKEY *key, unsigned char *sigin, int siglen,
79 const char *sig_name, const char *md_name,
80 const char *file, BIO *bmd);
82 static void list_md_fn(const EVP_MD *m,
83 const char *from, const char *to, void *arg)
89 mname = OBJ_nid2ln(EVP_MD_type(m));
91 if (strcmp(from, mname))
94 if (EVP_MD_flags(m) & EVP_MD_FLAG_PKEY_DIGEST)
96 if (strchr(mname, ' '))
97 mname = EVP_MD_name(m);
98 BIO_printf(arg, "-%-14s to use the %s message digest algorithm\n",
102 int MAIN(int, char **);
104 int MAIN(int argc, char **argv)
107 unsigned char *buf = NULL;
109 const EVP_MD *md = NULL, *m;
110 BIO *in = NULL, *inp;
113 #define PROG_NAME_SIZE 39
114 char pname[PROG_NAME_SIZE + 1];
117 int keyform = FORMAT_PEM;
118 const char *outfile = NULL, *keyfile = NULL;
119 const char *sigfile = NULL, *randfile = NULL;
120 int out_bin = -1, want_pub = 0, do_verify = 0;
121 EVP_PKEY *sigkey = NULL;
122 unsigned char *sigbuf = NULL;
124 char *passargin = NULL, *passin = NULL;
125 #ifndef OPENSSL_NO_ENGINE
128 char *hmac_key = NULL;
129 char *mac_name = NULL;
130 int non_fips_allow = 0;
131 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;
135 if ((buf = (unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL) {
136 BIO_printf(bio_err, "out of memory\n");
140 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
141 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
143 if (!load_config(bio_err, NULL))
146 /* first check the program name */
147 program_name(argv[0], pname, sizeof pname);
149 md = EVP_get_digestbyname(pname);
154 if ((*argv)[0] != '-')
156 if (strcmp(*argv, "-c") == 0)
158 else if (strcmp(*argv, "-r") == 0)
160 else if (strcmp(*argv, "-rand") == 0) {
163 randfile = *(++argv);
164 } else if (strcmp(*argv, "-out") == 0) {
168 } else if (strcmp(*argv, "-sign") == 0) {
172 } else if (!strcmp(*argv, "-passin")) {
176 } else if (strcmp(*argv, "-verify") == 0) {
182 } else if (strcmp(*argv, "-prverify") == 0) {
187 } else if (strcmp(*argv, "-signature") == 0) {
191 } else if (strcmp(*argv, "-keyform") == 0) {
194 keyform = str2fmt(*(++argv));
196 #ifndef OPENSSL_NO_ENGINE
197 else if (strcmp(*argv, "-engine") == 0) {
201 e = setup_engine(bio_err, engine, 0);
204 else if (strcmp(*argv, "-hex") == 0)
206 else if (strcmp(*argv, "-binary") == 0)
208 else if (strcmp(*argv, "-d") == 0)
210 else if (!strcmp(*argv, "-fips-fingerprint"))
211 hmac_key = "etaonrishdlcupfm";
212 else if (strcmp(*argv, "-non-fips-allow") == 0)
214 else if (!strcmp(*argv, "-hmac")) {
218 } else if (!strcmp(*argv, "-mac")) {
222 } else if (strcmp(*argv, "-sigopt") == 0) {
226 sigopts = sk_OPENSSL_STRING_new_null();
227 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
229 } else if (strcmp(*argv, "-macopt") == 0) {
233 macopts = sk_OPENSSL_STRING_new_null();
234 if (!macopts || !sk_OPENSSL_STRING_push(macopts, *(++argv)))
236 } else if ((m = EVP_get_digestbyname(&((*argv)[1]))) != NULL)
244 if (do_verify && !sigfile) {
246 "No signature to verify: use the -signature option\n");
250 if ((argc > 0) && (argv[0][0] == '-')) { /* bad option */
251 BIO_printf(bio_err, "unknown option '%s'\n", *argv);
252 BIO_printf(bio_err, "options are\n");
254 "-c to output the digest with separating colons\n");
256 "-r to output the digest in coreutils format\n");
257 BIO_printf(bio_err, "-d to output debug info\n");
258 BIO_printf(bio_err, "-hex output as hex dump\n");
259 BIO_printf(bio_err, "-binary output in binary form\n");
260 BIO_printf(bio_err, "-hmac arg set the HMAC key to arg\n");
261 BIO_printf(bio_err, "-non-fips-allow allow use of non FIPS digest\n");
263 "-sign file sign digest using private key in file\n");
265 "-verify file verify a signature using public key in file\n");
267 "-prverify file verify a signature using private key in file\n");
269 "-keyform arg key file format (PEM or ENGINE)\n");
271 "-out filename output to filename rather than stdout\n");
272 BIO_printf(bio_err, "-signature file signature to verify\n");
273 BIO_printf(bio_err, "-sigopt nm:v signature parameter\n");
274 BIO_printf(bio_err, "-hmac key create hashed MAC with key\n");
276 "-mac algorithm create MAC (not neccessarily HMAC)\n");
278 "-macopt nm:v MAC algorithm parameters or key\n");
279 #ifndef OPENSSL_NO_ENGINE
281 "-engine e use engine e, possibly a hardware device.\n");
284 EVP_MD_do_all_sorted(list_md_fn, bio_err);
288 in = BIO_new(BIO_s_file());
289 bmd = BIO_new(BIO_f_md());
290 if ((in == NULL) || (bmd == NULL)) {
291 ERR_print_errors(bio_err);
296 BIO_set_callback(in, BIO_debug_callback);
297 /* needed for windows 3.1 */
298 BIO_set_callback_arg(in, (char *)bio_err);
301 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
302 BIO_printf(bio_err, "Error getting password\n");
314 app_RAND_load_file(randfile, bio_err, 0);
318 out = BIO_new_file(outfile, "wb");
320 out = BIO_new_file(outfile, "w");
322 out = BIO_new_fp(stdout, BIO_NOCLOSE);
323 #ifdef OPENSSL_SYS_VMS
325 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
326 out = BIO_push(tmpbio, out);
332 BIO_printf(bio_err, "Error opening output file %s\n",
333 outfile ? outfile : "(stdout)");
334 ERR_print_errors(bio_err);
337 if ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) {
338 BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
344 sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
347 sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
351 * load_[pub]key() has already printed an appropriate message
358 EVP_PKEY_CTX *mac_ctx = NULL;
360 if (!init_gen_str(bio_err, &mac_ctx, mac_name, e, 0))
364 for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
365 macopt = sk_OPENSSL_STRING_value(macopts, i);
366 if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
368 "MAC parameter error \"%s\"\n", macopt);
369 ERR_print_errors(bio_err);
374 if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
375 BIO_puts(bio_err, "Error generating key\n");
376 ERR_print_errors(bio_err);
382 EVP_PKEY_CTX_free(mac_ctx);
387 if (non_fips_allow) {
389 BIO_get_md_ctx(bmd, &md_ctx);
390 EVP_MD_CTX_set_flags(md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
394 sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, e,
395 (unsigned char *)hmac_key, -1);
401 EVP_MD_CTX *mctx = NULL;
402 EVP_PKEY_CTX *pctx = NULL;
404 if (!BIO_get_md_ctx(bmd, &mctx)) {
405 BIO_printf(bio_err, "Error getting context\n");
406 ERR_print_errors(bio_err);
410 r = EVP_DigestVerifyInit(mctx, &pctx, md, NULL, sigkey);
412 r = EVP_DigestSignInit(mctx, &pctx, md, NULL, sigkey);
414 BIO_printf(bio_err, "Error setting context\n");
415 ERR_print_errors(bio_err);
420 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
421 sigopt = sk_OPENSSL_STRING_value(sigopts, i);
422 if (pkey_ctrl_string(pctx, sigopt) <= 0) {
423 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
424 ERR_print_errors(bio_err);
430 /* we use md as a filter, reading from 'in' */
434 if (!BIO_set_md(bmd, md)) {
435 BIO_printf(bio_err, "Error setting digest %s\n", pname);
436 ERR_print_errors(bio_err);
441 if (sigfile && sigkey) {
443 sigbio = BIO_new_file(sigfile, "rb");
444 siglen = EVP_PKEY_size(sigkey);
445 sigbuf = OPENSSL_malloc(siglen);
447 BIO_printf(bio_err, "Error opening signature file %s\n", sigfile);
448 ERR_print_errors(bio_err);
452 BIO_printf(bio_err, "Out of memory\n");
453 ERR_print_errors(bio_err);
456 siglen = BIO_read(sigbio, sigbuf, siglen);
459 BIO_printf(bio_err, "Error reading signature file %s\n", sigfile);
460 ERR_print_errors(bio_err);
464 inp = BIO_push(bmd, in);
468 BIO_get_md_ctx(bmd, &tctx);
469 md = EVP_MD_CTX_md(tctx);
473 BIO_set_fp(in, stdin, BIO_NOCLOSE);
474 err = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
475 siglen, NULL, NULL, "stdin", bmd);
477 const char *md_name = NULL, *sig_name = NULL;
480 const EVP_PKEY_ASN1_METHOD *ameth;
481 ameth = EVP_PKEY_get0_asn1(sigkey);
483 EVP_PKEY_asn1_get0_info(NULL, NULL,
484 NULL, NULL, &sig_name, ameth);
486 md_name = EVP_MD_name(md);
489 for (i = 0; i < argc; i++) {
491 if (BIO_read_filename(in, argv[i]) <= 0) {
496 r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
497 siglen, sig_name, md_name, argv[i], bmd);
500 (void)BIO_reset(bmd);
505 OPENSSL_cleanse(buf, BUFSIZE);
511 OPENSSL_free(passin);
513 EVP_PKEY_free(sigkey);
515 sk_OPENSSL_STRING_free(sigopts);
517 sk_OPENSSL_STRING_free(macopts);
519 OPENSSL_free(sigbuf);
526 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
527 EVP_PKEY *key, unsigned char *sigin, int siglen,
528 const char *sig_name, const char *md_name,
529 const char *file, BIO *bmd)
535 i = BIO_read(bp, (char *)buf, BUFSIZE);
537 BIO_printf(bio_err, "Read Error in %s\n", file);
538 ERR_print_errors(bio_err);
546 BIO_get_md_ctx(bp, &ctx);
547 i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
549 BIO_printf(out, "Verified OK\n");
551 BIO_printf(out, "Verification Failure\n");
554 BIO_printf(bio_err, "Error Verifying Data\n");
555 ERR_print_errors(bio_err);
562 BIO_get_md_ctx(bp, &ctx);
564 if (!EVP_DigestSignFinal(ctx, buf, &len)) {
565 BIO_printf(bio_err, "Error Signing Data\n");
566 ERR_print_errors(bio_err);
570 len = BIO_gets(bp, (char *)buf, BUFSIZE);
572 ERR_print_errors(bio_err);
578 BIO_write(out, buf, len);
580 for (i = 0; i < (int)len; i++)
581 BIO_printf(out, "%02x", buf[i]);
582 BIO_printf(out, " *%s\n", file);
585 BIO_printf(out, "%s-%s(%s)= ", sig_name, md_name, file);
587 BIO_printf(out, "%s(%s)= ", md_name, file);
589 BIO_printf(out, "(%s)= ", file);
590 for (i = 0; i < (int)len; i++) {
592 BIO_printf(out, ":");
593 BIO_printf(out, "%02x", buf[i]);
595 BIO_printf(out, "\n");