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_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,
35 OPT_HMAC, OPT_MAC, OPT_SIGOPT, OPT_MACOPT,
39 const OPTIONS dgst_options[] = {
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"},
46 {"rand", OPT_RAND, 's',
47 "Use file(s) containing random data to seed RNG or an EGD sock"},
48 {"out", OPT_OUT, '>', "Output to filename rather than stdout"},
49 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
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"},
55 {"signature", OPT_SIGNATURE, '<', "File with signature to verify"},
56 {"keyform", OPT_KEYFORM, 'f', "Key file format (PEM or ENGINE)"},
57 {"hex", OPT_HEX, '-', "Print as hex dump"},
58 {"binary", OPT_BINARY, '-', "Print in binary form"},
59 {"d", OPT_DEBUG, '-', "Print debug info"},
60 {"debug", OPT_DEBUG, '-', "Print debug info"},
61 {"fips-fingerprint", OPT_FIPS_FINGERPRINT, '-',
62 "Compute HMAC with the key used in OpenSSL-FIPS fingerprint"},
63 {"hmac", OPT_HMAC, 's', "Create hashed MAC with key"},
64 {"mac", OPT_MAC, 's', "Create MAC (not necessarily HMAC)"},
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"},
67 {"", 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, *randfile = 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);
117 randfile = opt_arg();
126 passinarg = opt_arg();
130 want_pub = do_verify = 1;
140 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
144 e = setup_engine(opt_arg(), 0);
146 case OPT_ENGINE_IMPL:
158 case OPT_FIPS_FINGERPRINT:
159 hmac_key = "etaonrishdlcupfm";
162 hmac_key = opt_arg();
165 mac_name = opt_arg();
169 sigopts = sk_OPENSSL_STRING_new_null();
170 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
175 macopts = sk_OPENSSL_STRING_new_null();
176 if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg()))
180 if (!opt_md(opt_unknown(), &m))
186 argc = opt_num_rest();
188 if (keyfile != NULL && argc > 1) {
189 BIO_printf(bio_err, "%s: Can only sign or verify one file.\n", prog);
193 if (do_verify && !sigfile) {
195 "No signature to verify: use the -signature option\n");
201 in = BIO_new(BIO_s_file());
202 bmd = BIO_new(BIO_f_md());
203 if ((in == NULL) || (bmd == NULL)) {
204 ERR_print_errors(bio_err);
209 BIO_set_callback(in, BIO_debug_callback);
210 /* needed for windows 3.1 */
211 BIO_set_callback_arg(in, (char *)bio_err);
214 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
215 BIO_printf(bio_err, "Error getting password\n");
227 app_RAND_load_file(randfile, 0);
229 out = bio_open_default(outfile, 'w', out_bin ? FORMAT_BINARY : FORMAT_TEXT);
233 if ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) {
234 BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
240 sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file");
242 sigkey = load_key(keyfile, keyform, 0, passin, e, "key file");
245 * load_[pub]key() has already printed an appropriate message
252 EVP_PKEY_CTX *mac_ctx = NULL;
254 if (!init_gen_str(&mac_ctx, mac_name, impl, 0))
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) {
262 "MAC parameter error \"%s\"\n", macopt);
263 ERR_print_errors(bio_err);
268 if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
269 BIO_puts(bio_err, "Error generating key\n");
270 ERR_print_errors(bio_err);
275 EVP_PKEY_CTX_free(mac_ctx);
281 sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl,
282 (unsigned char *)hmac_key, -1);
288 EVP_MD_CTX *mctx = NULL;
289 EVP_PKEY_CTX *pctx = NULL;
291 if (!BIO_get_md_ctx(bmd, &mctx)) {
292 BIO_printf(bio_err, "Error getting context\n");
293 ERR_print_errors(bio_err);
297 r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey);
299 r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey);
301 BIO_printf(bio_err, "Error setting context\n");
302 ERR_print_errors(bio_err);
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);
317 /* we use md as a filter, reading from 'in' */
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);
327 if (!EVP_DigestInit_ex(mctx, md, impl)) {
328 BIO_printf(bio_err, "Error setting digest\n");
329 ERR_print_errors(bio_err);
334 if (sigfile && sigkey) {
335 BIO *sigbio = BIO_new_file(sigfile, "rb");
337 BIO_printf(bio_err, "Error opening signature file %s\n", sigfile);
338 ERR_print_errors(bio_err);
341 siglen = EVP_PKEY_size(sigkey);
342 sigbuf = app_malloc(siglen, "signature buffer");
343 siglen = BIO_read(sigbio, sigbuf, siglen);
346 BIO_printf(bio_err, "Error reading signature file %s\n", sigfile);
347 ERR_print_errors(bio_err);
351 inp = BIO_push(bmd, in);
355 BIO_get_md_ctx(bmd, &tctx);
356 md = EVP_MD_CTX_md(tctx);
360 BIO_set_fp(in, stdin, BIO_NOCLOSE);
361 ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
362 siglen, NULL, NULL, "stdin");
364 const char *md_name = NULL, *sig_name = NULL;
367 const EVP_PKEY_ASN1_METHOD *ameth;
368 ameth = EVP_PKEY_get0_asn1(sigkey);
370 EVP_PKEY_asn1_get0_info(NULL, NULL,
371 NULL, NULL, &sig_name, ameth);
374 md_name = EVP_MD_name(md);
377 for (i = 0; i < argc; i++) {
379 if (BIO_read_filename(in, argv[i]) <= 0) {
384 r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
385 siglen, sig_name, md_name, argv[i]);
388 (void)BIO_reset(bmd);
392 OPENSSL_clear_free(buf, BUFSIZE);
394 OPENSSL_free(passin);
396 EVP_PKEY_free(sigkey);
397 sk_OPENSSL_STRING_free(sigopts);
398 sk_OPENSSL_STRING_free(macopts);
399 OPENSSL_free(sigbuf);
405 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
406 EVP_PKEY *key, unsigned char *sigin, int siglen,
407 const char *sig_name, const char *md_name,
414 i = BIO_read(bp, (char *)buf, BUFSIZE);
416 BIO_printf(bio_err, "Read Error in %s\n", file);
417 ERR_print_errors(bio_err);
425 BIO_get_md_ctx(bp, &ctx);
426 i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
428 BIO_printf(out, "Verified OK\n");
430 BIO_printf(out, "Verification Failure\n");
433 BIO_printf(bio_err, "Error Verifying Data\n");
434 ERR_print_errors(bio_err);
441 BIO_get_md_ctx(bp, &ctx);
443 if (!EVP_DigestSignFinal(ctx, buf, &len)) {
444 BIO_printf(bio_err, "Error Signing Data\n");
445 ERR_print_errors(bio_err);
449 len = BIO_gets(bp, (char *)buf, BUFSIZE);
451 ERR_print_errors(bio_err);
457 BIO_write(out, buf, len);
459 for (i = 0; i < (int)len; i++)
460 BIO_printf(out, "%02x", buf[i]);
461 BIO_printf(out, " *%s\n", file);
464 BIO_puts(out, sig_name);
466 BIO_printf(out, "-%s", md_name);
467 BIO_printf(out, "(%s)= ", file);
469 BIO_printf(out, "%s(%s)= ", md_name, file);
471 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");