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git.ipfire.org Git - thirdparty/openssl.git/blob - apps/dgst.c
2 * Copyright 1995-2018 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
15 #include <openssl/bio.h>
16 #include <openssl/err.h>
17 #include <openssl/evp.h>
18 #include <openssl/objects.h>
19 #include <openssl/x509.h>
20 #include <openssl/pem.h>
21 #include <openssl/hmac.h>
24 #define BUFSIZE 1024*8
26 int do_fp(BIO
*out
, unsigned char *buf
, BIO
*bp
, int sep
, int binout
,
27 EVP_PKEY
*key
, unsigned char *sigin
, int siglen
,
28 const char *sig_name
, const char *md_name
,
31 typedef enum OPTION_choice
{
32 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
33 OPT_C
, OPT_R
, OPT_OUT
, OPT_SIGN
, OPT_PASSIN
, OPT_VERIFY
,
34 OPT_PRVERIFY
, OPT_SIGNATURE
, OPT_KEYFORM
, OPT_ENGINE
, OPT_ENGINE_IMPL
,
35 OPT_HEX
, OPT_BINARY
, OPT_DEBUG
, OPT_FIPS_FINGERPRINT
,
36 OPT_HMAC
, OPT_MAC
, OPT_SIGOPT
, OPT_MACOPT
,
41 const OPTIONS dgst_options
[] = {
42 {OPT_HELP_STR
, 1, '-', "Usage: %s [options] [file...]\n"},
43 {OPT_HELP_STR
, 1, '-',
44 " file... files to digest (default is stdin)\n"},
45 {"help", OPT_HELP
, '-', "Display this summary"},
46 {"c", OPT_C
, '-', "Print the digest with separating colons"},
47 {"r", OPT_R
, '-', "Print the digest in coreutils format"},
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"},
69 #ifndef OPENSSL_NO_ENGINE
70 {"engine", OPT_ENGINE
, 's', "Use engine e, possibly a hardware device"},
71 {"engine_impl", OPT_ENGINE_IMPL
, '-',
72 "Also use engine given by -engine for digest operations"},
77 int dgst_main(int argc
, char **argv
)
79 BIO
*in
= NULL
, *inp
, *bmd
= NULL
, *out
= NULL
;
80 ENGINE
*e
= NULL
, *impl
= NULL
;
81 EVP_PKEY
*sigkey
= NULL
;
82 STACK_OF(OPENSSL_STRING
) *sigopts
= NULL
, *macopts
= NULL
;
83 char *hmac_key
= NULL
;
84 char *mac_name
= NULL
;
85 char *passinarg
= NULL
, *passin
= NULL
;
86 const EVP_MD
*md
= NULL
, *m
;
87 const char *outfile
= NULL
, *keyfile
= NULL
, *prog
= NULL
;
88 const char *sigfile
= NULL
;
90 int separator
= 0, debug
= 0, keyform
= FORMAT_PEM
, siglen
= 0;
91 int i
, ret
= 1, out_bin
= -1, want_pub
= 0, do_verify
= 0;
92 unsigned char *buf
= NULL
, *sigbuf
= NULL
;
95 prog
= opt_progname(argv
[0]);
96 buf
= app_malloc(BUFSIZE
, "I/O buffer");
97 md
= EVP_get_digestbyname(prog
);
99 prog
= opt_init(argc
, argv
, dgst_options
);
100 while ((o
= opt_next()) != OPT_EOF
) {
105 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
108 opt_help(dgst_options
);
128 passinarg
= opt_arg();
132 want_pub
= do_verify
= 1;
142 if (!opt_format(opt_arg(), OPT_FMT_ANY
, &keyform
))
146 e
= setup_engine(opt_arg(), 0);
148 case OPT_ENGINE_IMPL
:
160 case OPT_FIPS_FINGERPRINT
:
161 hmac_key
= "etaonrishdlcupfm";
164 hmac_key
= opt_arg();
167 mac_name
= opt_arg();
171 sigopts
= sk_OPENSSL_STRING_new_null();
172 if (!sigopts
|| !sk_OPENSSL_STRING_push(sigopts
, opt_arg()))
177 macopts
= sk_OPENSSL_STRING_new_null();
178 if (!macopts
|| !sk_OPENSSL_STRING_push(macopts
, opt_arg()))
182 if (!opt_md(opt_unknown(), &m
))
188 argc
= opt_num_rest();
190 if (keyfile
!= NULL
&& argc
> 1) {
191 BIO_printf(bio_err
, "%s: Can only sign or verify one file.\n", prog
);
195 if (do_verify
&& sigfile
== NULL
) {
197 "No signature to verify: use the -signature option\n");
203 in
= BIO_new(BIO_s_file());
204 bmd
= BIO_new(BIO_f_md());
205 if ((in
== NULL
) || (bmd
== NULL
)) {
206 ERR_print_errors(bio_err
);
211 BIO_set_callback(in
, BIO_debug_callback
);
212 /* needed for windows 3.1 */
213 BIO_set_callback_arg(in
, (char *)bio_err
);
216 if (!app_passwd(passinarg
, NULL
, &passin
, NULL
)) {
217 BIO_printf(bio_err
, "Error getting password\n");
228 out
= bio_open_default(outfile
, 'w', out_bin
? FORMAT_BINARY
: FORMAT_TEXT
);
232 if ((!(mac_name
== NULL
) + !(keyfile
== NULL
) + !(hmac_key
== NULL
)) > 1) {
233 BIO_printf(bio_err
, "MAC and Signing key cannot both be specified\n");
237 if (keyfile
!= NULL
) {
241 sigkey
= load_pubkey(keyfile
, keyform
, 0, NULL
, e
, "key file");
243 sigkey
= load_key(keyfile
, keyform
, 0, passin
, e
, "key file");
244 if (sigkey
== NULL
) {
246 * load_[pub]key() has already printed an appropriate message
250 type
= EVP_PKEY_id(sigkey
);
251 if (type
== EVP_PKEY_ED25519
|| type
== EVP_PKEY_ED448
) {
253 * We implement PureEdDSA for these which doesn't have a separate
254 * digest, and only supports one shot.
256 BIO_printf(bio_err
, "Key type not supported for this operation\n");
261 if (mac_name
!= NULL
) {
262 EVP_PKEY_CTX
*mac_ctx
= NULL
;
264 if (!init_gen_str(&mac_ctx
, mac_name
, impl
, 0))
266 if (macopts
!= NULL
) {
268 for (i
= 0; i
< sk_OPENSSL_STRING_num(macopts
); i
++) {
269 macopt
= sk_OPENSSL_STRING_value(macopts
, i
);
270 if (pkey_ctrl_string(mac_ctx
, macopt
) <= 0) {
272 "MAC parameter error \"%s\"\n", macopt
);
273 ERR_print_errors(bio_err
);
278 if (EVP_PKEY_keygen(mac_ctx
, &sigkey
) <= 0) {
279 BIO_puts(bio_err
, "Error generating key\n");
280 ERR_print_errors(bio_err
);
285 EVP_PKEY_CTX_free(mac_ctx
);
290 if (hmac_key
!= NULL
) {
291 sigkey
= EVP_PKEY_new_raw_private_key(EVP_PKEY_HMAC
, impl
,
292 (unsigned char *)hmac_key
, -1);
297 if (sigkey
!= NULL
) {
298 EVP_MD_CTX
*mctx
= NULL
;
299 EVP_PKEY_CTX
*pctx
= NULL
;
301 if (!BIO_get_md_ctx(bmd
, &mctx
)) {
302 BIO_printf(bio_err
, "Error getting context\n");
303 ERR_print_errors(bio_err
);
307 r
= EVP_DigestVerifyInit(mctx
, &pctx
, md
, impl
, sigkey
);
309 r
= EVP_DigestSignInit(mctx
, &pctx
, md
, impl
, sigkey
);
311 BIO_printf(bio_err
, "Error setting context\n");
312 ERR_print_errors(bio_err
);
315 if (sigopts
!= NULL
) {
317 for (i
= 0; i
< sk_OPENSSL_STRING_num(sigopts
); i
++) {
318 sigopt
= sk_OPENSSL_STRING_value(sigopts
, i
);
319 if (pkey_ctrl_string(pctx
, sigopt
) <= 0) {
320 BIO_printf(bio_err
, "parameter error \"%s\"\n", sigopt
);
321 ERR_print_errors(bio_err
);
327 /* we use md as a filter, reading from 'in' */
329 EVP_MD_CTX
*mctx
= NULL
;
330 if (!BIO_get_md_ctx(bmd
, &mctx
)) {
331 BIO_printf(bio_err
, "Error getting context\n");
332 ERR_print_errors(bio_err
);
337 if (!EVP_DigestInit_ex(mctx
, md
, impl
)) {
338 BIO_printf(bio_err
, "Error setting digest\n");
339 ERR_print_errors(bio_err
);
344 if (sigfile
!= NULL
&& sigkey
!= NULL
) {
345 BIO
*sigbio
= BIO_new_file(sigfile
, "rb");
346 if (sigbio
== NULL
) {
347 BIO_printf(bio_err
, "Error opening signature file %s\n", sigfile
);
348 ERR_print_errors(bio_err
);
351 siglen
= EVP_PKEY_size(sigkey
);
352 sigbuf
= app_malloc(siglen
, "signature buffer");
353 siglen
= BIO_read(sigbio
, sigbuf
, siglen
);
356 BIO_printf(bio_err
, "Error reading signature file %s\n", sigfile
);
357 ERR_print_errors(bio_err
);
361 inp
= BIO_push(bmd
, in
);
365 BIO_get_md_ctx(bmd
, &tctx
);
366 md
= EVP_MD_CTX_md(tctx
);
370 BIO_set_fp(in
, stdin
, BIO_NOCLOSE
);
371 ret
= do_fp(out
, buf
, inp
, separator
, out_bin
, sigkey
, sigbuf
,
372 siglen
, NULL
, NULL
, "stdin");
374 const char *md_name
= NULL
, *sig_name
= NULL
;
376 if (sigkey
!= NULL
) {
377 const EVP_PKEY_ASN1_METHOD
*ameth
;
378 ameth
= EVP_PKEY_get0_asn1(sigkey
);
380 EVP_PKEY_asn1_get0_info(NULL
, NULL
,
381 NULL
, NULL
, &sig_name
, ameth
);
384 md_name
= EVP_MD_name(md
);
387 for (i
= 0; i
< argc
; i
++) {
389 if (BIO_read_filename(in
, argv
[i
]) <= 0) {
394 r
= do_fp(out
, buf
, inp
, separator
, out_bin
, sigkey
, sigbuf
,
395 siglen
, sig_name
, md_name
, argv
[i
]);
399 (void)BIO_reset(bmd
);
403 OPENSSL_clear_free(buf
, BUFSIZE
);
405 OPENSSL_free(passin
);
407 EVP_PKEY_free(sigkey
);
408 sk_OPENSSL_STRING_free(sigopts
);
409 sk_OPENSSL_STRING_free(macopts
);
410 OPENSSL_free(sigbuf
);
416 int do_fp(BIO
*out
, unsigned char *buf
, BIO
*bp
, int sep
, int binout
,
417 EVP_PKEY
*key
, unsigned char *sigin
, int siglen
,
418 const char *sig_name
, const char *md_name
,
425 i
= BIO_read(bp
, (char *)buf
, BUFSIZE
);
427 BIO_printf(bio_err
, "Read Error in %s\n", file
);
428 ERR_print_errors(bio_err
);
436 BIO_get_md_ctx(bp
, &ctx
);
437 i
= EVP_DigestVerifyFinal(ctx
, sigin
, (unsigned int)siglen
);
439 BIO_printf(out
, "Verified OK\n");
441 BIO_printf(out
, "Verification Failure\n");
444 BIO_printf(bio_err
, "Error Verifying Data\n");
445 ERR_print_errors(bio_err
);
452 BIO_get_md_ctx(bp
, &ctx
);
454 if (!EVP_DigestSignFinal(ctx
, buf
, &len
)) {
455 BIO_printf(bio_err
, "Error Signing Data\n");
456 ERR_print_errors(bio_err
);
460 len
= BIO_gets(bp
, (char *)buf
, BUFSIZE
);
462 ERR_print_errors(bio_err
);
468 BIO_write(out
, buf
, len
);
469 } else if (sep
== 2) {
470 for (i
= 0; i
< (int)len
; i
++)
471 BIO_printf(out
, "%02x", buf
[i
]);
472 BIO_printf(out
, " *%s\n", file
);
474 if (sig_name
!= NULL
) {
475 BIO_puts(out
, sig_name
);
477 BIO_printf(out
, "-%s", md_name
);
478 BIO_printf(out
, "(%s)= ", file
);
479 } else if (md_name
!= NULL
) {
480 BIO_printf(out
, "%s(%s)= ", md_name
, file
);
482 BIO_printf(out
, "(%s)= ", file
);
484 for (i
= 0; i
< (int)len
; i
++) {
486 BIO_printf(out
, ":");
487 BIO_printf(out
, "%02x", buf
[i
]);
489 BIO_printf(out
, "\n");