]>
git.ipfire.org Git - thirdparty/openssl.git/blob - apps/dgst.c
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
)
107 unsigned char *buf
=NULL
;
109 const EVP_MD
*md
=NULL
,*m
;
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
130 STACK_OF(STRING
) *sigopts
= NULL
, *macopts
= NULL
;
134 if ((buf
=(unsigned char *)OPENSSL_malloc(BUFSIZE
)) == NULL
)
136 BIO_printf(bio_err
,"out of memory\n");
140 if ((bio_err
=BIO_new(BIO_s_file())) != NULL
)
141 BIO_set_fp(bio_err
,stderr
,BIO_NOCLOSE
|BIO_FP_TEXT
);
143 if (!load_config(bio_err
, NULL
))
146 /* first check the program name */
147 program_name(argv
[0],pname
,sizeof pname
);
149 md
=EVP_get_digestbyname(pname
);
155 if ((*argv
)[0] != '-') break;
156 if (strcmp(*argv
,"-c") == 0)
158 else if (strcmp(*argv
,"-rand") == 0)
160 if (--argc
< 1) break;
163 else if (strcmp(*argv
,"-out") == 0)
165 if (--argc
< 1) break;
168 else if (strcmp(*argv
,"-sign") == 0)
170 if (--argc
< 1) break;
173 else if (!strcmp(*argv
,"-passin"))
179 else if (strcmp(*argv
,"-verify") == 0)
181 if (--argc
< 1) break;
186 else if (strcmp(*argv
,"-prverify") == 0)
188 if (--argc
< 1) break;
192 else if (strcmp(*argv
,"-signature") == 0)
194 if (--argc
< 1) break;
197 else if (strcmp(*argv
,"-keyform") == 0)
199 if (--argc
< 1) break;
200 keyform
=str2fmt(*(++argv
));
202 #ifndef OPENSSL_NO_ENGINE
203 else if (strcmp(*argv
,"-engine") == 0)
205 if (--argc
< 1) break;
207 e
= setup_engine(bio_err
, engine
, 0);
210 else if (strcmp(*argv
,"-hex") == 0)
212 else if (strcmp(*argv
,"-binary") == 0)
214 else if (strcmp(*argv
,"-d") == 0)
216 else if (!strcmp(*argv
,"-hmac"))
222 else if (!strcmp(*argv
,"-mac"))
228 else if (strcmp(*argv
,"-sigopt") == 0)
233 sigopts
= sk_STRING_new_null();
234 if (!sigopts
|| !sk_STRING_push(sigopts
, *(++argv
)))
237 else if (strcmp(*argv
,"-macopt") == 0)
242 macopts
= sk_STRING_new_null();
243 if (!macopts
|| !sk_STRING_push(macopts
, *(++argv
)))
246 else if ((m
=EVP_get_digestbyname(&((*argv
)[1]))) != NULL
)
255 if(do_verify
&& !sigfile
) {
256 BIO_printf(bio_err
, "No signature to verify: use the -signature option\n");
260 if ((argc
> 0) && (argv
[0][0] == '-')) /* bad option */
262 BIO_printf(bio_err
,"unknown option '%s'\n",*argv
);
263 BIO_printf(bio_err
,"options are\n");
264 BIO_printf(bio_err
,"-c to output the digest with separating colons\n");
265 BIO_printf(bio_err
,"-d to output debug info\n");
266 BIO_printf(bio_err
,"-hex output as hex dump\n");
267 BIO_printf(bio_err
,"-binary output in binary form\n");
268 BIO_printf(bio_err
,"-sign file sign digest using private key in file\n");
269 BIO_printf(bio_err
,"-verify file verify a signature using public key in file\n");
270 BIO_printf(bio_err
,"-prverify file verify a signature using private key in file\n");
271 BIO_printf(bio_err
,"-keyform arg key file format (PEM or ENGINE)\n");
272 BIO_printf(bio_err
,"-out filename output to filename rather than stdout\n");
273 BIO_printf(bio_err
,"-signature file signature to verify\n");
274 BIO_printf(bio_err
,"-sigopt nm:v signature parameter\n");
275 BIO_printf(bio_err
,"-hmac key create hashed MAC with key\n");
276 BIO_printf(bio_err
,"-mac algorithm create MAC (not neccessarily HMAC)\n");
277 BIO_printf(bio_err
,"-macopt nm:v MAC algorithm parameters or key\n");
278 #ifndef OPENSSL_NO_ENGINE
279 BIO_printf(bio_err
,"-engine e use engine e, possibly a hardware device.\n");
282 EVP_MD_do_all_sorted(list_md_fn
, bio_err
);
286 in
=BIO_new(BIO_s_file());
287 bmd
=BIO_new(BIO_f_md());
290 BIO_set_callback(in
,BIO_debug_callback
);
291 /* needed for windows 3.1 */
292 BIO_set_callback_arg(in
,(char *)bio_err
);
295 if(!app_passwd(bio_err
, passargin
, NULL
, &passin
, NULL
))
297 BIO_printf(bio_err
, "Error getting password\n");
301 if ((in
== NULL
) || (bmd
== NULL
))
303 ERR_print_errors(bio_err
);
315 app_RAND_load_file(randfile
, bio_err
, 0);
319 out
= BIO_new_file(outfile
, "wb");
320 else out
= BIO_new_file(outfile
, "w");
322 out
= BIO_new_fp(stdout
, BIO_NOCLOSE
);
323 #ifdef OPENSSL_SYS_VMS
325 BIO
*tmpbio
= BIO_new(BIO_f_linebuffer());
326 out
= BIO_push(tmpbio
, out
);
332 BIO_printf(bio_err
, "Error opening output file %s\n",
333 outfile
? outfile
: "(stdout)");
334 ERR_print_errors(bio_err
);
337 if ((!!mac_name
+ !!keyfile
+ !!hmac_key
) > 1)
339 BIO_printf(bio_err
, "MAC and Signing key cannot both be specified\n");
346 sigkey
= load_pubkey(bio_err
, keyfile
, keyform
, 0, NULL
,
349 sigkey
= load_key(bio_err
, keyfile
, keyform
, 0, passin
,
353 /* load_[pub]key() has already printed an appropriate
361 EVP_PKEY_CTX
*mac_ctx
= NULL
;
363 if (!init_gen_str(bio_err
, &mac_ctx
, mac_name
,e
, 0))
368 for (i
= 0; i
< sk_STRING_num(macopts
); i
++)
370 macopt
= sk_STRING_value(macopts
, i
);
371 if (pkey_ctrl_string(mac_ctx
, macopt
) <= 0)
374 "MAC parameter error \"%s\"\n",
376 ERR_print_errors(bio_err
);
381 if (EVP_PKEY_keygen(mac_ctx
, &sigkey
) <= 0)
383 BIO_puts(bio_err
, "Error generating key\n");
384 ERR_print_errors(bio_err
);
390 EVP_PKEY_CTX_free(mac_ctx
);
397 sigkey
= EVP_PKEY_new_mac_key(EVP_PKEY_HMAC
, e
,
398 (unsigned char *)hmac_key
, -1);
405 EVP_MD_CTX
*mctx
= NULL
;
406 EVP_PKEY_CTX
*pctx
= NULL
;
408 if (!BIO_get_md_ctx(bmd
, &mctx
))
410 BIO_printf(bio_err
, "Error getting context\n");
411 ERR_print_errors(bio_err
);
415 r
= EVP_DigestVerifyInit(mctx
, &pctx
, md
, e
, sigkey
);
417 r
= EVP_DigestSignInit(mctx
, &pctx
, md
, e
, sigkey
);
420 BIO_printf(bio_err
, "Error setting context\n");
421 ERR_print_errors(bio_err
);
427 for (i
= 0; i
< sk_STRING_num(sigopts
); i
++)
429 sigopt
= sk_STRING_value(sigopts
, i
);
430 if (pkey_ctrl_string(pctx
, sigopt
) <= 0)
433 "parameter error \"%s\"\n",
435 ERR_print_errors(bio_err
);
441 /* we use md as a filter, reading from 'in' */
446 if (!BIO_set_md(bmd
,md
))
448 BIO_printf(bio_err
, "Error setting digest %s\n", pname
);
449 ERR_print_errors(bio_err
);
454 if(sigfile
&& sigkey
) {
456 sigbio
= BIO_new_file(sigfile
, "rb");
457 siglen
= EVP_PKEY_size(sigkey
);
458 sigbuf
= OPENSSL_malloc(siglen
);
460 BIO_printf(bio_err
, "Error opening signature file %s\n",
462 ERR_print_errors(bio_err
);
465 siglen
= BIO_read(sigbio
, sigbuf
, siglen
);
468 BIO_printf(bio_err
, "Error reading signature file %s\n",
470 ERR_print_errors(bio_err
);
474 inp
=BIO_push(bmd
,in
);
479 BIO_get_md_ctx(bmd
, &tctx
);
480 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
);
491 const char *md_name
= NULL
, *sig_name
= NULL
;
496 const EVP_PKEY_ASN1_METHOD
*ameth
;
497 ameth
= EVP_PKEY_get0_asn1(sigkey
);
499 EVP_PKEY_asn1_get0_info(NULL
, NULL
,
500 NULL
, NULL
, &sig_name
, ameth
);
502 md_name
= EVP_MD_name(md
);
505 for (i
=0; i
<argc
; i
++)
508 if (BIO_read_filename(in
,argv
[i
]) <= 0)
515 r
=do_fp(out
,buf
,inp
,separator
,out_bin
,sigkey
,sigbuf
,
516 siglen
,sig_name
,md_name
, argv
[i
],bmd
);
519 (void)BIO_reset(bmd
);
525 OPENSSL_cleanse(buf
,BUFSIZE
);
528 if (in
!= NULL
) BIO_free(in
);
530 OPENSSL_free(passin
);
532 EVP_PKEY_free(sigkey
);
534 sk_STRING_free(sigopts
);
536 sk_STRING_free(macopts
);
537 if(sigbuf
) OPENSSL_free(sigbuf
);
538 if (bmd
!= NULL
) BIO_free(bmd
);
543 int do_fp(BIO
*out
, unsigned char *buf
, BIO
*bp
, int sep
, int binout
,
544 EVP_PKEY
*key
, unsigned char *sigin
, int siglen
,
545 const char *sig_name
, const char *md_name
,
546 const char *file
,BIO
*bmd
)
553 i
=BIO_read(bp
,(char *)buf
,BUFSIZE
);
556 BIO_printf(bio_err
, "Read Error in %s\n",file
);
557 ERR_print_errors(bio_err
);
565 BIO_get_md_ctx(bp
, &ctx
);
566 i
= EVP_DigestVerifyFinal(ctx
, sigin
, (unsigned int)siglen
);
568 BIO_printf(out
, "Verified OK\n");
571 BIO_printf(out
, "Verification Failure\n");
576 BIO_printf(bio_err
, "Error Verifying Data\n");
577 ERR_print_errors(bio_err
);
585 BIO_get_md_ctx(bp
, &ctx
);
587 if(!EVP_DigestSignFinal(ctx
, buf
, &len
))
589 BIO_printf(bio_err
, "Error Signing Data\n");
590 ERR_print_errors(bio_err
);
596 len
=BIO_gets(bp
,(char *)buf
,BUFSIZE
);
599 ERR_print_errors(bio_err
);
604 if(binout
) BIO_write(out
, buf
, len
);
608 BIO_printf(out
, "%s-%s(%s)= ", sig_name
, md_name
, file
);
610 BIO_printf(out
, "%s(%s)= ", md_name
, file
);
612 BIO_printf(out
, "(%s)= ", file
);
613 for (i
=0; i
<(int)len
; i
++)
616 BIO_printf(out
, ":");
617 BIO_printf(out
, "%02x",buf
[i
]);
619 BIO_printf(out
, "\n");