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Commit | Line | Data |
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846e33c7 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
d02b48c6 | 3 | * |
846e33c7 RS |
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 | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
11 | #include <string.h> | |
12 | #include <stdlib.h> | |
13 | #include "apps.h" | |
ec577822 BM |
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> | |
52cfa397 | 20 | #include <openssl/hmac.h> |
d02b48c6 RE |
21 | |
22 | #undef BUFSIZE | |
0f113f3e | 23 | #define BUFSIZE 1024*8 |
d02b48c6 | 24 | |
d15711ef | 25 | int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
0f113f3e MC |
26 | EVP_PKEY *key, unsigned char *sigin, int siglen, |
27 | const char *sig_name, const char *md_name, | |
a773b52a | 28 | const char *file); |
667ac4ec | 29 | |
7e1b7485 RS |
30 | typedef enum OPTION_choice { |
31 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
32 | OPT_C, OPT_R, OPT_RAND, 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, | |
700b4a4a | 35 | OPT_HMAC, OPT_MAC, OPT_SIGOPT, OPT_MACOPT, |
7e1b7485 RS |
36 | OPT_DIGEST |
37 | } OPTION_CHOICE; | |
38 | ||
44c83ebd | 39 | const OPTIONS dgst_options[] = { |
7e1b7485 RS |
40 | {OPT_HELP_STR, 1, '-', "Usage: %s [options] [file...]\n"}, |
41 | {OPT_HELP_STR, 1, '-', | |
42 | " file... files to digest (default is stdin)\n"}, | |
43 | {"help", OPT_HELP, '-', "Display this summary"}, | |
44 | {"c", OPT_C, '-', "Print the digest with separating colons"}, | |
45 | {"r", OPT_R, '-', "Print the digest in coreutils format"}, | |
a173a7ee RS |
46 | {"rand", OPT_RAND, 's', |
47 | "Use file(s) containing random data to seed RNG or an EGD sock"}, | |
7e1b7485 | 48 | {"out", OPT_OUT, '>', "Output to filename rather than stdout"}, |
a173a7ee | 49 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
dd958974 DSH |
50 | {"sign", OPT_SIGN, 's', "Sign digest using private key"}, |
51 | {"verify", OPT_VERIFY, 's', | |
52 | "Verify a signature using public key"}, | |
53 | {"prverify", OPT_PRVERIFY, 's', | |
54 | "Verify a signature using private key"}, | |
7e1b7485 RS |
55 | {"signature", OPT_SIGNATURE, '<', "File with signature to verify"}, |
56 | {"keyform", OPT_KEYFORM, 'f', "Key file format (PEM or ENGINE)"}, | |
7e1b7485 RS |
57 | {"hex", OPT_HEX, '-', "Print as hex dump"}, |
58 | {"binary", OPT_BINARY, '-', "Print in binary form"}, | |
59 | {"d", OPT_DEBUG, '-', "Print debug info"}, | |
a173a7ee RS |
60 | {"debug", OPT_DEBUG, '-', "Print debug info"}, |
61 | {"fips-fingerprint", OPT_FIPS_FINGERPRINT, '-', | |
62 | "Compute HMAC with the key used in OpenSSL-FIPS fingerprint"}, | |
7e1b7485 | 63 | {"hmac", OPT_HMAC, 's', "Create hashed MAC with key"}, |
0d4fb843 | 64 | {"mac", OPT_MAC, 's', "Create MAC (not necessarily HMAC)"}, |
d175e8a6 MC |
65 | {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"}, |
66 | {"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form or key"}, | |
9c3bcfa0 | 67 | {"", OPT_DIGEST, '-', "Any supported digest"}, |
333b070e RS |
68 | #ifndef OPENSSL_NO_ENGINE |
69 | {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, | |
a173a7ee RS |
70 | {"engine_impl", OPT_ENGINE_IMPL, '-', |
71 | "Also use engine given by -engine for digest operations"}, | |
333b070e | 72 | #endif |
7e1b7485 RS |
73 | {NULL} |
74 | }; | |
75 | ||
76 | int dgst_main(int argc, char **argv) | |
0f113f3e | 77 | { |
7e1b7485 | 78 | BIO *in = NULL, *inp, *bmd = NULL, *out = NULL; |
0f113f3e | 79 | ENGINE *e = NULL, *impl = NULL; |
7e1b7485 RS |
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; | |
0f113f3e | 85 | const EVP_MD *md = NULL, *m; |
7e1b7485 | 86 | const char *outfile = NULL, *keyfile = NULL, *prog = NULL; |
0f113f3e | 87 | const char *sigfile = NULL, *randfile = NULL; |
7e1b7485 RS |
88 | OPTION_CHOICE o; |
89 | int separator = 0, debug = 0, keyform = FORMAT_PEM, siglen = 0; | |
700b4a4a | 90 | int i, ret = 1, out_bin = -1, want_pub = 0, do_verify = 0; |
7e1b7485 | 91 | unsigned char *buf = NULL, *sigbuf = NULL; |
0f113f3e | 92 | int engine_impl = 0; |
0f113f3e | 93 | |
7e1b7485 | 94 | prog = opt_progname(argv[0]); |
68dc6824 | 95 | buf = app_malloc(BUFSIZE, "I/O buffer"); |
7e1b7485 RS |
96 | md = EVP_get_digestbyname(prog); |
97 | ||
98 | prog = opt_init(argc, argv, dgst_options); | |
99 | while ((o = opt_next()) != OPT_EOF) { | |
100 | switch (o) { | |
101 | case OPT_EOF: | |
102 | case OPT_ERR: | |
103 | opthelp: | |
104 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
105 | goto end; | |
106 | case OPT_HELP: | |
107 | opt_help(dgst_options); | |
108 | ret = 0; | |
109 | goto end; | |
110 | case OPT_C: | |
0f113f3e | 111 | separator = 1; |
7e1b7485 RS |
112 | break; |
113 | case OPT_R: | |
0f113f3e | 114 | separator = 2; |
7e1b7485 RS |
115 | break; |
116 | case OPT_RAND: | |
117 | randfile = opt_arg(); | |
118 | break; | |
119 | case OPT_OUT: | |
120 | outfile = opt_arg(); | |
121 | break; | |
122 | case OPT_SIGN: | |
123 | keyfile = opt_arg(); | |
124 | break; | |
125 | case OPT_PASSIN: | |
126 | passinarg = opt_arg(); | |
127 | break; | |
128 | case OPT_VERIFY: | |
129 | keyfile = opt_arg(); | |
130 | want_pub = do_verify = 1; | |
131 | break; | |
132 | case OPT_PRVERIFY: | |
133 | keyfile = opt_arg(); | |
0f113f3e | 134 | do_verify = 1; |
7e1b7485 RS |
135 | break; |
136 | case OPT_SIGNATURE: | |
137 | sigfile = opt_arg(); | |
138 | break; | |
139 | case OPT_KEYFORM: | |
140 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform)) | |
141 | goto opthelp; | |
142 | break; | |
7e1b7485 | 143 | case OPT_ENGINE: |
333b070e | 144 | e = setup_engine(opt_arg(), 0); |
7e1b7485 RS |
145 | break; |
146 | case OPT_ENGINE_IMPL: | |
0f113f3e | 147 | engine_impl = 1; |
7e1b7485 | 148 | break; |
7e1b7485 | 149 | case OPT_HEX: |
0f113f3e | 150 | out_bin = 0; |
7e1b7485 RS |
151 | break; |
152 | case OPT_BINARY: | |
0f113f3e | 153 | out_bin = 1; |
7e1b7485 RS |
154 | break; |
155 | case OPT_DEBUG: | |
0f113f3e | 156 | debug = 1; |
7e1b7485 RS |
157 | break; |
158 | case OPT_FIPS_FINGERPRINT: | |
0f113f3e | 159 | hmac_key = "etaonrishdlcupfm"; |
7e1b7485 | 160 | break; |
7e1b7485 RS |
161 | case OPT_HMAC: |
162 | hmac_key = opt_arg(); | |
163 | break; | |
164 | case OPT_MAC: | |
165 | mac_name = opt_arg(); | |
166 | break; | |
167 | case OPT_SIGOPT: | |
0f113f3e MC |
168 | if (!sigopts) |
169 | sigopts = sk_OPENSSL_STRING_new_null(); | |
7e1b7485 RS |
170 | if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg())) |
171 | goto opthelp; | |
172 | break; | |
173 | case OPT_MACOPT: | |
0f113f3e MC |
174 | if (!macopts) |
175 | macopts = sk_OPENSSL_STRING_new_null(); | |
7e1b7485 RS |
176 | if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg())) |
177 | goto opthelp; | |
178 | break; | |
179 | case OPT_DIGEST: | |
180 | if (!opt_md(opt_unknown(), &m)) | |
181 | goto opthelp; | |
0f113f3e | 182 | md = m; |
0f113f3e | 183 | break; |
7e1b7485 | 184 | } |
0f113f3e | 185 | } |
7e1b7485 RS |
186 | argc = opt_num_rest(); |
187 | argv = opt_rest(); | |
13a46183 RS |
188 | if (keyfile != NULL && argc > 1) { |
189 | BIO_printf(bio_err, "%s: Can only sign or verify one file.\n", prog); | |
190 | goto end; | |
191 | } | |
0f113f3e MC |
192 | |
193 | if (do_verify && !sigfile) { | |
194 | BIO_printf(bio_err, | |
195 | "No signature to verify: use the -signature option\n"); | |
196 | goto end; | |
197 | } | |
0f113f3e MC |
198 | if (engine_impl) |
199 | impl = e; | |
bb845ee0 | 200 | |
0f113f3e MC |
201 | in = BIO_new(BIO_s_file()); |
202 | bmd = BIO_new(BIO_f_md()); | |
be1477ad MC |
203 | if ((in == NULL) || (bmd == NULL)) { |
204 | ERR_print_errors(bio_err); | |
205 | goto end; | |
206 | } | |
207 | ||
0f113f3e MC |
208 | if (debug) { |
209 | BIO_set_callback(in, BIO_debug_callback); | |
210 | /* needed for windows 3.1 */ | |
211 | BIO_set_callback_arg(in, (char *)bio_err); | |
212 | } | |
213 | ||
7e1b7485 | 214 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
0f113f3e MC |
215 | BIO_printf(bio_err, "Error getting password\n"); |
216 | goto end; | |
217 | } | |
218 | ||
0f113f3e MC |
219 | if (out_bin == -1) { |
220 | if (keyfile) | |
221 | out_bin = 1; | |
222 | else | |
223 | out_bin = 0; | |
224 | } | |
225 | ||
226 | if (randfile) | |
7e1b7485 | 227 | app_RAND_load_file(randfile, 0); |
0f113f3e | 228 | |
bdd58d98 | 229 | out = bio_open_default(outfile, 'w', out_bin ? FORMAT_BINARY : FORMAT_TEXT); |
7e1b7485 | 230 | if (out == NULL) |
0f113f3e | 231 | goto end; |
7e1b7485 | 232 | |
0f113f3e MC |
233 | if ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) { |
234 | BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n"); | |
235 | goto end; | |
236 | } | |
237 | ||
238 | if (keyfile) { | |
239 | if (want_pub) | |
7e1b7485 | 240 | sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file"); |
0f113f3e | 241 | else |
7e1b7485 | 242 | sigkey = load_key(keyfile, keyform, 0, passin, e, "key file"); |
0f113f3e MC |
243 | if (!sigkey) { |
244 | /* | |
245 | * load_[pub]key() has already printed an appropriate message | |
246 | */ | |
247 | goto end; | |
248 | } | |
249 | } | |
250 | ||
251 | if (mac_name) { | |
252 | EVP_PKEY_CTX *mac_ctx = NULL; | |
253 | int r = 0; | |
7e1b7485 | 254 | if (!init_gen_str(&mac_ctx, mac_name, impl, 0)) |
0f113f3e MC |
255 | goto mac_end; |
256 | if (macopts) { | |
257 | char *macopt; | |
258 | for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) { | |
259 | macopt = sk_OPENSSL_STRING_value(macopts, i); | |
260 | if (pkey_ctrl_string(mac_ctx, macopt) <= 0) { | |
261 | BIO_printf(bio_err, | |
262 | "MAC parameter error \"%s\"\n", macopt); | |
263 | ERR_print_errors(bio_err); | |
264 | goto mac_end; | |
265 | } | |
266 | } | |
267 | } | |
268 | if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) { | |
269 | BIO_puts(bio_err, "Error generating key\n"); | |
270 | ERR_print_errors(bio_err); | |
271 | goto mac_end; | |
272 | } | |
273 | r = 1; | |
274 | mac_end: | |
c5ba2d99 | 275 | EVP_PKEY_CTX_free(mac_ctx); |
0f113f3e MC |
276 | if (r == 0) |
277 | goto end; | |
278 | } | |
279 | ||
0f113f3e MC |
280 | if (hmac_key) { |
281 | sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl, | |
282 | (unsigned char *)hmac_key, -1); | |
283 | if (!sigkey) | |
284 | goto end; | |
285 | } | |
286 | ||
287 | if (sigkey) { | |
288 | EVP_MD_CTX *mctx = NULL; | |
289 | EVP_PKEY_CTX *pctx = NULL; | |
290 | int r; | |
291 | if (!BIO_get_md_ctx(bmd, &mctx)) { | |
292 | BIO_printf(bio_err, "Error getting context\n"); | |
293 | ERR_print_errors(bio_err); | |
294 | goto end; | |
295 | } | |
296 | if (do_verify) | |
297 | r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey); | |
298 | else | |
299 | r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey); | |
300 | if (!r) { | |
301 | BIO_printf(bio_err, "Error setting context\n"); | |
302 | ERR_print_errors(bio_err); | |
303 | goto end; | |
304 | } | |
305 | if (sigopts) { | |
306 | char *sigopt; | |
307 | for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) { | |
308 | sigopt = sk_OPENSSL_STRING_value(sigopts, i); | |
309 | if (pkey_ctrl_string(pctx, sigopt) <= 0) { | |
310 | BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt); | |
311 | ERR_print_errors(bio_err); | |
312 | goto end; | |
313 | } | |
314 | } | |
315 | } | |
316 | } | |
317 | /* we use md as a filter, reading from 'in' */ | |
318 | else { | |
319 | EVP_MD_CTX *mctx = NULL; | |
320 | if (!BIO_get_md_ctx(bmd, &mctx)) { | |
321 | BIO_printf(bio_err, "Error getting context\n"); | |
322 | ERR_print_errors(bio_err); | |
323 | goto end; | |
324 | } | |
325 | if (md == NULL) | |
f8547f62 | 326 | md = EVP_sha256(); |
0f113f3e | 327 | if (!EVP_DigestInit_ex(mctx, md, impl)) { |
7e1b7485 | 328 | BIO_printf(bio_err, "Error setting digest\n"); |
0f113f3e MC |
329 | ERR_print_errors(bio_err); |
330 | goto end; | |
331 | } | |
332 | } | |
333 | ||
334 | if (sigfile && sigkey) { | |
7e1b7485 | 335 | BIO *sigbio = BIO_new_file(sigfile, "rb"); |
0f113f3e MC |
336 | if (!sigbio) { |
337 | BIO_printf(bio_err, "Error opening signature file %s\n", sigfile); | |
338 | ERR_print_errors(bio_err); | |
339 | goto end; | |
340 | } | |
7e1b7485 | 341 | siglen = EVP_PKEY_size(sigkey); |
68dc6824 | 342 | sigbuf = app_malloc(siglen, "signature buffer"); |
0f113f3e MC |
343 | siglen = BIO_read(sigbio, sigbuf, siglen); |
344 | BIO_free(sigbio); | |
345 | if (siglen <= 0) { | |
346 | BIO_printf(bio_err, "Error reading signature file %s\n", sigfile); | |
347 | ERR_print_errors(bio_err); | |
348 | goto end; | |
349 | } | |
350 | } | |
351 | inp = BIO_push(bmd, in); | |
352 | ||
353 | if (md == NULL) { | |
354 | EVP_MD_CTX *tctx; | |
355 | BIO_get_md_ctx(bmd, &tctx); | |
356 | md = EVP_MD_CTX_md(tctx); | |
357 | } | |
358 | ||
359 | if (argc == 0) { | |
360 | BIO_set_fp(in, stdin, BIO_NOCLOSE); | |
7e1b7485 | 361 | ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf, |
a773b52a | 362 | siglen, NULL, NULL, "stdin"); |
0f113f3e MC |
363 | } else { |
364 | const char *md_name = NULL, *sig_name = NULL; | |
365 | if (!out_bin) { | |
366 | if (sigkey) { | |
367 | const EVP_PKEY_ASN1_METHOD *ameth; | |
368 | ameth = EVP_PKEY_get0_asn1(sigkey); | |
369 | if (ameth) | |
370 | EVP_PKEY_asn1_get0_info(NULL, NULL, | |
371 | NULL, NULL, &sig_name, ameth); | |
372 | } | |
373 | if (md) | |
374 | md_name = EVP_MD_name(md); | |
375 | } | |
7e1b7485 | 376 | ret = 0; |
0f113f3e MC |
377 | for (i = 0; i < argc; i++) { |
378 | int r; | |
379 | if (BIO_read_filename(in, argv[i]) <= 0) { | |
380 | perror(argv[i]); | |
7e1b7485 | 381 | ret++; |
0f113f3e MC |
382 | continue; |
383 | } else | |
384 | r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf, | |
a773b52a | 385 | siglen, sig_name, md_name, argv[i]); |
0f113f3e | 386 | if (r) |
7e1b7485 | 387 | ret = r; |
0f113f3e MC |
388 | (void)BIO_reset(bmd); |
389 | } | |
390 | } | |
391 | end: | |
4b45c6e5 | 392 | OPENSSL_clear_free(buf, BUFSIZE); |
ca3a82c3 | 393 | BIO_free(in); |
25aaa98a | 394 | OPENSSL_free(passin); |
0f113f3e MC |
395 | BIO_free_all(out); |
396 | EVP_PKEY_free(sigkey); | |
25aaa98a RS |
397 | sk_OPENSSL_STRING_free(sigopts); |
398 | sk_OPENSSL_STRING_free(macopts); | |
b548a1f1 | 399 | OPENSSL_free(sigbuf); |
ca3a82c3 | 400 | BIO_free(bmd); |
7e1b7485 | 401 | return (ret); |
0f113f3e | 402 | } |
d02b48c6 | 403 | |
d15711ef | 404 | int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
0f113f3e MC |
405 | EVP_PKEY *key, unsigned char *sigin, int siglen, |
406 | const char *sig_name, const char *md_name, | |
a773b52a | 407 | const char *file) |
0f113f3e MC |
408 | { |
409 | size_t len; | |
410 | int i; | |
411 | ||
412 | for (;;) { | |
413 | i = BIO_read(bp, (char *)buf, BUFSIZE); | |
414 | if (i < 0) { | |
415 | BIO_printf(bio_err, "Read Error in %s\n", file); | |
416 | ERR_print_errors(bio_err); | |
417 | return 1; | |
418 | } | |
419 | if (i == 0) | |
420 | break; | |
421 | } | |
422 | if (sigin) { | |
423 | EVP_MD_CTX *ctx; | |
424 | BIO_get_md_ctx(bp, &ctx); | |
425 | i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen); | |
426 | if (i > 0) | |
427 | BIO_printf(out, "Verified OK\n"); | |
428 | else if (i == 0) { | |
429 | BIO_printf(out, "Verification Failure\n"); | |
430 | return 1; | |
431 | } else { | |
432 | BIO_printf(bio_err, "Error Verifying Data\n"); | |
433 | ERR_print_errors(bio_err); | |
434 | return 1; | |
435 | } | |
436 | return 0; | |
437 | } | |
438 | if (key) { | |
439 | EVP_MD_CTX *ctx; | |
440 | BIO_get_md_ctx(bp, &ctx); | |
441 | len = BUFSIZE; | |
442 | if (!EVP_DigestSignFinal(ctx, buf, &len)) { | |
443 | BIO_printf(bio_err, "Error Signing Data\n"); | |
444 | ERR_print_errors(bio_err); | |
445 | return 1; | |
446 | } | |
447 | } else { | |
448 | len = BIO_gets(bp, (char *)buf, BUFSIZE); | |
449 | if ((int)len < 0) { | |
450 | ERR_print_errors(bio_err); | |
451 | return 1; | |
452 | } | |
453 | } | |
454 | ||
455 | if (binout) | |
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); | |
461 | } else { | |
462 | if (sig_name) { | |
463 | BIO_puts(out, sig_name); | |
464 | if (md_name) | |
465 | BIO_printf(out, "-%s", md_name); | |
466 | BIO_printf(out, "(%s)= ", file); | |
467 | } else if (md_name) | |
468 | BIO_printf(out, "%s(%s)= ", md_name, file); | |
469 | else | |
470 | BIO_printf(out, "(%s)= ", file); | |
471 | for (i = 0; i < (int)len; i++) { | |
472 | if (sep && (i != 0)) | |
473 | BIO_printf(out, ":"); | |
474 | BIO_printf(out, "%02x", buf[i]); | |
475 | } | |
476 | BIO_printf(out, "\n"); | |
477 | } | |
478 | return 0; | |
479 | } |