2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
14 #include <openssl/bio.h>
15 #include <openssl/err.h>
16 #include <openssl/evp.h>
17 #include <openssl/objects.h>
18 #include <openssl/x509.h>
19 #include <openssl/pem.h>
20 #include <openssl/hmac.h>
23 #define BUFSIZE 1024*8
25 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
26 EVP_PKEY *key, unsigned char *sigin, int siglen,
27 const char *sig_name, const char *md_name,
30 typedef enum OPTION_choice {
31 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
32 OPT_C, OPT_R, OPT_OUT, OPT_SIGN, OPT_PASSIN, OPT_VERIFY,
33 OPT_PRVERIFY, OPT_SIGNATURE, OPT_KEYFORM, OPT_ENGINE, OPT_ENGINE_IMPL,
34 OPT_HEX, OPT_BINARY, OPT_DEBUG, OPT_FIPS_FINGERPRINT,
35 OPT_HMAC, OPT_MAC, OPT_SIGOPT, OPT_MACOPT,
40 const OPTIONS dgst_options[] = {
41 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [file...]\n"},
42 {OPT_HELP_STR, 1, '-',
43 " file... files to digest (default is stdin)\n"},
44 {"help", OPT_HELP, '-', "Display this summary"},
45 {"c", OPT_C, '-', "Print the digest with separating colons"},
46 {"r", OPT_R, '-', "Print the digest in coreutils format"},
47 {"out", OPT_OUT, '>', "Output to filename rather than stdout"},
48 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
49 {"sign", OPT_SIGN, 's', "Sign digest using private key"},
50 {"verify", OPT_VERIFY, 's',
51 "Verify a signature using public key"},
52 {"prverify", OPT_PRVERIFY, 's',
53 "Verify a signature using private key"},
54 {"signature", OPT_SIGNATURE, '<', "File with signature to verify"},
55 {"keyform", OPT_KEYFORM, 'f', "Key file format (PEM or ENGINE)"},
56 {"hex", OPT_HEX, '-', "Print as hex dump"},
57 {"binary", OPT_BINARY, '-', "Print in binary form"},
58 {"d", OPT_DEBUG, '-', "Print debug info"},
59 {"debug", OPT_DEBUG, '-', "Print debug info"},
60 {"fips-fingerprint", OPT_FIPS_FINGERPRINT, '-',
61 "Compute HMAC with the key used in OpenSSL-FIPS fingerprint"},
62 {"hmac", OPT_HMAC, 's', "Create hashed MAC with key"},
63 {"mac", OPT_MAC, 's', "Create MAC (not necessarily HMAC)"},
64 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
65 {"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form or key"},
66 {"", OPT_DIGEST, '-', "Any supported digest"},
68 #ifndef OPENSSL_NO_ENGINE
69 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
70 {"engine_impl", OPT_ENGINE_IMPL, '-',
71 "Also use engine given by -engine for digest operations"},
76 int dgst_main(int argc, char **argv)
78 BIO *in = NULL, *inp, *bmd = NULL, *out = NULL;
79 ENGINE *e = NULL, *impl = NULL;
80 EVP_PKEY *sigkey = NULL;
81 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;
82 char *hmac_key = NULL;
83 char *mac_name = NULL;
84 char *passinarg = NULL, *passin = NULL;
85 const EVP_MD *md = NULL, *m;
86 const char *outfile = NULL, *keyfile = NULL, *prog = NULL;
87 const char *sigfile = NULL;
89 int separator = 0, debug = 0, keyform = FORMAT_PEM, siglen = 0;
90 int i, ret = 1, out_bin = -1, want_pub = 0, do_verify = 0;
91 unsigned char *buf = NULL, *sigbuf = NULL;
94 prog = opt_progname(argv[0]);
95 buf = app_malloc(BUFSIZE, "I/O buffer");
96 md = EVP_get_digestbyname(prog);
98 prog = opt_init(argc, argv, dgst_options);
99 while ((o = opt_next()) != OPT_EOF) {
104 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
107 opt_help(dgst_options);
127 passinarg = opt_arg();
131 want_pub = do_verify = 1;
141 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
145 e = setup_engine(opt_arg(), 0);
147 case OPT_ENGINE_IMPL:
159 case OPT_FIPS_FINGERPRINT:
160 hmac_key = "etaonrishdlcupfm";
163 hmac_key = opt_arg();
166 mac_name = opt_arg();
170 sigopts = sk_OPENSSL_STRING_new_null();
171 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
176 macopts = sk_OPENSSL_STRING_new_null();
177 if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg()))
181 if (!opt_md(opt_unknown(), &m))
187 argc = opt_num_rest();
189 if (keyfile != NULL && argc > 1) {
190 BIO_printf(bio_err, "%s: Can only sign or verify one file.\n", prog);
194 if (do_verify && sigfile == NULL) {
196 "No signature to verify: use the -signature option\n");
202 in = BIO_new(BIO_s_file());
203 bmd = BIO_new(BIO_f_md());
204 if ((in == NULL) || (bmd == NULL)) {
205 ERR_print_errors(bio_err);
210 BIO_set_callback(in, BIO_debug_callback);
211 /* needed for windows 3.1 */
212 BIO_set_callback_arg(in, (char *)bio_err);
215 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
216 BIO_printf(bio_err, "Error getting password\n");
227 out = bio_open_default(outfile, 'w', out_bin ? FORMAT_BINARY : FORMAT_TEXT);
231 if ((!(mac_name == NULL) + !(keyfile == NULL) + !(hmac_key == NULL)) > 1) {
232 BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
236 if (keyfile != NULL) {
238 sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file");
240 sigkey = load_key(keyfile, keyform, 0, passin, e, "key file");
241 if (sigkey == NULL) {
243 * load_[pub]key() has already printed an appropriate message
249 if (mac_name != NULL) {
250 EVP_PKEY_CTX *mac_ctx = NULL;
252 if (!init_gen_str(&mac_ctx, mac_name, impl, 0))
254 if (macopts != NULL) {
256 for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
257 macopt = sk_OPENSSL_STRING_value(macopts, i);
258 if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
260 "MAC parameter error \"%s\"\n", macopt);
261 ERR_print_errors(bio_err);
266 if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
267 BIO_puts(bio_err, "Error generating key\n");
268 ERR_print_errors(bio_err);
273 EVP_PKEY_CTX_free(mac_ctx);
278 if (hmac_key != NULL) {
279 sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl,
280 (unsigned char *)hmac_key, -1);
285 if (sigkey != NULL) {
286 EVP_MD_CTX *mctx = NULL;
287 EVP_PKEY_CTX *pctx = NULL;
289 if (!BIO_get_md_ctx(bmd, &mctx)) {
290 BIO_printf(bio_err, "Error getting context\n");
291 ERR_print_errors(bio_err);
295 r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey);
297 r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey);
299 BIO_printf(bio_err, "Error setting context\n");
300 ERR_print_errors(bio_err);
303 if (sigopts != NULL) {
305 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
306 sigopt = sk_OPENSSL_STRING_value(sigopts, i);
307 if (pkey_ctrl_string(pctx, sigopt) <= 0) {
308 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
309 ERR_print_errors(bio_err);
315 /* we use md as a filter, reading from 'in' */
317 EVP_MD_CTX *mctx = NULL;
318 if (!BIO_get_md_ctx(bmd, &mctx)) {
319 BIO_printf(bio_err, "Error getting context\n");
320 ERR_print_errors(bio_err);
325 if (!EVP_DigestInit_ex(mctx, md, impl)) {
326 BIO_printf(bio_err, "Error setting digest\n");
327 ERR_print_errors(bio_err);
332 if (sigfile != NULL && sigkey != NULL) {
333 BIO *sigbio = BIO_new_file(sigfile, "rb");
334 if (sigbio == NULL) {
335 BIO_printf(bio_err, "Error opening signature file %s\n", sigfile);
336 ERR_print_errors(bio_err);
339 siglen = EVP_PKEY_size(sigkey);
340 sigbuf = app_malloc(siglen, "signature buffer");
341 siglen = BIO_read(sigbio, sigbuf, siglen);
344 BIO_printf(bio_err, "Error reading signature file %s\n", sigfile);
345 ERR_print_errors(bio_err);
349 inp = BIO_push(bmd, in);
353 BIO_get_md_ctx(bmd, &tctx);
354 md = EVP_MD_CTX_md(tctx);
358 BIO_set_fp(in, stdin, BIO_NOCLOSE);
359 ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
360 siglen, NULL, NULL, "stdin");
362 const char *md_name = NULL, *sig_name = NULL;
364 if (sigkey != NULL) {
365 const EVP_PKEY_ASN1_METHOD *ameth;
366 ameth = EVP_PKEY_get0_asn1(sigkey);
368 EVP_PKEY_asn1_get0_info(NULL, NULL,
369 NULL, NULL, &sig_name, ameth);
372 md_name = EVP_MD_name(md);
375 for (i = 0; i < argc; i++) {
377 if (BIO_read_filename(in, argv[i]) <= 0) {
382 r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
383 siglen, sig_name, md_name, argv[i]);
387 (void)BIO_reset(bmd);
391 OPENSSL_clear_free(buf, BUFSIZE);
393 OPENSSL_free(passin);
395 EVP_PKEY_free(sigkey);
396 sk_OPENSSL_STRING_free(sigopts);
397 sk_OPENSSL_STRING_free(macopts);
398 OPENSSL_free(sigbuf);
404 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
405 EVP_PKEY *key, unsigned char *sigin, int siglen,
406 const char *sig_name, const char *md_name,
413 i = BIO_read(bp, (char *)buf, BUFSIZE);
415 BIO_printf(bio_err, "Read Error in %s\n", file);
416 ERR_print_errors(bio_err);
424 BIO_get_md_ctx(bp, &ctx);
425 i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
427 BIO_printf(out, "Verified OK\n");
429 BIO_printf(out, "Verification Failure\n");
432 BIO_printf(bio_err, "Error Verifying Data\n");
433 ERR_print_errors(bio_err);
440 BIO_get_md_ctx(bp, &ctx);
442 if (!EVP_DigestSignFinal(ctx, buf, &len)) {
443 BIO_printf(bio_err, "Error Signing Data\n");
444 ERR_print_errors(bio_err);
448 len = BIO_gets(bp, (char *)buf, BUFSIZE);
450 ERR_print_errors(bio_err);
456 BIO_write(out, buf, len);
457 } else if (sep == 2) {
458 for (i = 0; i < (int)len; i++)
459 BIO_printf(out, "%02x", buf[i]);
460 BIO_printf(out, " *%s\n", file);
462 if (sig_name != NULL) {
463 BIO_puts(out, sig_name);
465 BIO_printf(out, "-%s", md_name);
466 BIO_printf(out, "(%s)= ", file);
467 } else if (md_name != NULL) {
468 BIO_printf(out, "%s(%s)= ", md_name, file);
470 BIO_printf(out, "(%s)= ", file);
472 for (i = 0; i < (int)len; i++) {
474 BIO_printf(out, ":");
475 BIO_printf(out, "%02x", buf[i]);
477 BIO_printf(out, "\n");