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)
106 ENGINE *e = NULL, *impl = NULL;
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
129 char *hmac_key = NULL;
130 char *mac_name = NULL;
131 int non_fips_allow = 0;
132 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;
136 if ((buf = (unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL) {
137 BIO_printf(bio_err, "out of memory\n");
141 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
142 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
144 if (!load_config(bio_err, NULL))
147 /* first check the program name */
148 program_name(argv[0], pname, sizeof pname);
150 md = EVP_get_digestbyname(pname);
155 if ((*argv)[0] != '-')
157 if (strcmp(*argv, "-c") == 0)
159 else if (strcmp(*argv, "-r") == 0)
161 else if (strcmp(*argv, "-rand") == 0) {
164 randfile = *(++argv);
165 } else if (strcmp(*argv, "-out") == 0) {
169 } else if (strcmp(*argv, "-sign") == 0) {
173 } else if (!strcmp(*argv, "-passin")) {
177 } else if (strcmp(*argv, "-verify") == 0) {
183 } else if (strcmp(*argv, "-prverify") == 0) {
188 } else if (strcmp(*argv, "-signature") == 0) {
192 } else if (strcmp(*argv, "-keyform") == 0) {
195 keyform = str2fmt(*(++argv));
197 #ifndef OPENSSL_NO_ENGINE
198 else if (strcmp(*argv, "-engine") == 0) {
202 e = setup_engine(bio_err, engine, 0);
203 } else if (strcmp(*argv, "-engine_impl") == 0)
206 else if (strcmp(*argv, "-hex") == 0)
208 else if (strcmp(*argv, "-binary") == 0)
210 else if (strcmp(*argv, "-d") == 0)
212 else if (!strcmp(*argv, "-fips-fingerprint"))
213 hmac_key = "etaonrishdlcupfm";
214 else if (strcmp(*argv, "-non-fips-allow") == 0)
216 else if (!strcmp(*argv, "-hmac")) {
220 } else if (!strcmp(*argv, "-mac")) {
224 } else if (strcmp(*argv, "-sigopt") == 0) {
228 sigopts = sk_OPENSSL_STRING_new_null();
229 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
231 } else if (strcmp(*argv, "-macopt") == 0) {
235 macopts = sk_OPENSSL_STRING_new_null();
236 if (!macopts || !sk_OPENSSL_STRING_push(macopts, *(++argv)))
238 } else if ((m = EVP_get_digestbyname(&((*argv)[1]))) != NULL)
246 if (do_verify && !sigfile) {
248 "No signature to verify: use the -signature option\n");
252 if ((argc > 0) && (argv[0][0] == '-')) { /* bad option */
253 BIO_printf(bio_err, "unknown option '%s'\n", *argv);
254 BIO_printf(bio_err, "options are\n");
256 "-c to output the digest with separating colons\n");
258 "-r to output the digest in coreutils format\n");
259 BIO_printf(bio_err, "-d to output debug info\n");
260 BIO_printf(bio_err, "-hex output as hex dump\n");
261 BIO_printf(bio_err, "-binary output in binary form\n");
262 BIO_printf(bio_err, "-hmac arg set the HMAC key to arg\n");
263 BIO_printf(bio_err, "-non-fips-allow allow use of non FIPS digest\n");
265 "-sign file sign digest using private key in file\n");
267 "-verify file verify a signature using public key in file\n");
269 "-prverify file verify a signature using private key in file\n");
271 "-keyform arg key file format (PEM or ENGINE)\n");
273 "-out filename output to filename rather than stdout\n");
274 BIO_printf(bio_err, "-signature file signature to verify\n");
275 BIO_printf(bio_err, "-sigopt nm:v signature parameter\n");
276 BIO_printf(bio_err, "-hmac key create hashed MAC with key\n");
278 "-mac algorithm create MAC (not neccessarily HMAC)\n");
280 "-macopt nm:v MAC algorithm parameters or key\n");
281 #ifndef OPENSSL_NO_ENGINE
283 "-engine e use engine e, possibly a hardware device.\n");
286 EVP_MD_do_all_sorted(list_md_fn, bio_err);
289 #ifndef OPENSSL_NO_ENGINE
294 in = BIO_new(BIO_s_file());
295 bmd = BIO_new(BIO_f_md());
296 if ((in == NULL) || (bmd == NULL)) {
297 ERR_print_errors(bio_err);
302 BIO_set_callback(in, BIO_debug_callback);
303 /* needed for windows 3.1 */
304 BIO_set_callback_arg(in, (char *)bio_err);
307 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
308 BIO_printf(bio_err, "Error getting password\n");
320 app_RAND_load_file(randfile, bio_err, 0);
324 out = BIO_new_file(outfile, "wb");
326 out = BIO_new_file(outfile, "w");
328 out = BIO_new_fp(stdout, BIO_NOCLOSE);
329 #ifdef OPENSSL_SYS_VMS
331 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
332 out = BIO_push(tmpbio, out);
338 BIO_printf(bio_err, "Error opening output file %s\n",
339 outfile ? outfile : "(stdout)");
340 ERR_print_errors(bio_err);
343 if ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) {
344 BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
350 sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
353 sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
357 * load_[pub]key() has already printed an appropriate message
364 EVP_PKEY_CTX *mac_ctx = NULL;
366 if (!init_gen_str(bio_err, &mac_ctx, mac_name, impl, 0))
370 for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
371 macopt = sk_OPENSSL_STRING_value(macopts, i);
372 if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
374 "MAC parameter error \"%s\"\n", macopt);
375 ERR_print_errors(bio_err);
380 if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
381 BIO_puts(bio_err, "Error generating key\n");
382 ERR_print_errors(bio_err);
388 EVP_PKEY_CTX_free(mac_ctx);
393 if (non_fips_allow) {
395 BIO_get_md_ctx(bmd, &md_ctx);
396 EVP_MD_CTX_set_flags(md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
400 sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl,
401 (unsigned char *)hmac_key, -1);
407 EVP_MD_CTX *mctx = NULL;
408 EVP_PKEY_CTX *pctx = NULL;
410 if (!BIO_get_md_ctx(bmd, &mctx)) {
411 BIO_printf(bio_err, "Error getting context\n");
412 ERR_print_errors(bio_err);
416 r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey);
418 r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey);
420 BIO_printf(bio_err, "Error setting context\n");
421 ERR_print_errors(bio_err);
426 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
427 sigopt = sk_OPENSSL_STRING_value(sigopts, i);
428 if (pkey_ctrl_string(pctx, sigopt) <= 0) {
429 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
430 ERR_print_errors(bio_err);
436 /* we use md as a filter, reading from 'in' */
438 EVP_MD_CTX *mctx = NULL;
439 if (!BIO_get_md_ctx(bmd, &mctx)) {
440 BIO_printf(bio_err, "Error getting context\n");
441 ERR_print_errors(bio_err);
446 if (!EVP_DigestInit_ex(mctx, md, impl)) {
447 BIO_printf(bio_err, "Error setting digest %s\n", pname);
448 ERR_print_errors(bio_err);
453 if (sigfile && sigkey) {
455 sigbio = BIO_new_file(sigfile, "rb");
456 siglen = EVP_PKEY_size(sigkey);
457 sigbuf = OPENSSL_malloc(siglen);
459 BIO_printf(bio_err, "Error opening signature file %s\n", sigfile);
460 ERR_print_errors(bio_err);
464 BIO_printf(bio_err, "Out of memory\n");
465 ERR_print_errors(bio_err);
468 siglen = BIO_read(sigbio, sigbuf, siglen);
471 BIO_printf(bio_err, "Error reading signature file %s\n", sigfile);
472 ERR_print_errors(bio_err);
476 inp = BIO_push(bmd, in);
480 BIO_get_md_ctx(bmd, &tctx);
481 md = EVP_MD_CTX_md(tctx);
485 BIO_set_fp(in, stdin, BIO_NOCLOSE);
486 err = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
487 siglen, NULL, NULL, "stdin", bmd);
489 const char *md_name = NULL, *sig_name = NULL;
492 const EVP_PKEY_ASN1_METHOD *ameth;
493 ameth = EVP_PKEY_get0_asn1(sigkey);
495 EVP_PKEY_asn1_get0_info(NULL, NULL,
496 NULL, NULL, &sig_name, ameth);
499 md_name = EVP_MD_name(md);
502 for (i = 0; i < argc; i++) {
504 if (BIO_read_filename(in, argv[i]) <= 0) {
509 r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
510 siglen, sig_name, md_name, argv[i], bmd);
513 (void)BIO_reset(bmd);
518 OPENSSL_cleanse(buf, BUFSIZE);
524 OPENSSL_free(passin);
526 EVP_PKEY_free(sigkey);
528 sk_OPENSSL_STRING_free(sigopts);
530 sk_OPENSSL_STRING_free(macopts);
532 OPENSSL_free(sigbuf);
539 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
540 EVP_PKEY *key, unsigned char *sigin, int siglen,
541 const char *sig_name, const char *md_name,
542 const char *file, BIO *bmd)
548 i = BIO_read(bp, (char *)buf, BUFSIZE);
550 BIO_printf(bio_err, "Read Error in %s\n", file);
551 ERR_print_errors(bio_err);
559 BIO_get_md_ctx(bp, &ctx);
560 i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
562 BIO_printf(out, "Verified OK\n");
564 BIO_printf(out, "Verification Failure\n");
567 BIO_printf(bio_err, "Error Verifying Data\n");
568 ERR_print_errors(bio_err);
575 BIO_get_md_ctx(bp, &ctx);
577 if (!EVP_DigestSignFinal(ctx, buf, &len)) {
578 BIO_printf(bio_err, "Error Signing Data\n");
579 ERR_print_errors(bio_err);
583 len = BIO_gets(bp, (char *)buf, BUFSIZE);
585 ERR_print_errors(bio_err);
591 BIO_write(out, buf, len);
593 for (i = 0; i < (int)len; i++)
594 BIO_printf(out, "%02x", buf[i]);
595 BIO_printf(out, " *%s\n", file);
598 BIO_puts(out, sig_name);
600 BIO_printf(out, "-%s", md_name);
601 BIO_printf(out, "(%s)= ", file);
603 BIO_printf(out, "%s(%s)= ", md_name, file);
605 BIO_printf(out, "(%s)= ", file);
606 for (i = 0; i < (int)len; i++) {
608 BIO_printf(out, ":");
609 BIO_printf(out, "%02x", buf[i]);
611 BIO_printf(out, "\n");