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)
106 ENGINE *e = NULL, *impl = NULL;
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
131 STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;
135 if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
137 BIO_printf(bio_err,"out of memory\n");
141 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
142 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
144 if (!load_config(bio_err, NULL))
147 /* first check the program name */
148 program_name(argv[0],pname,sizeof pname);
150 md=EVP_get_digestbyname(pname);
156 if ((*argv)[0] != '-') break;
157 if (strcmp(*argv,"-c") == 0)
159 else if (strcmp(*argv,"-r") == 0)
161 else if (strcmp(*argv,"-rand") == 0)
163 if (--argc < 1) break;
166 else if (strcmp(*argv,"-out") == 0)
168 if (--argc < 1) break;
171 else if (strcmp(*argv,"-sign") == 0)
173 if (--argc < 1) break;
176 else if (!strcmp(*argv,"-passin"))
182 else if (strcmp(*argv,"-verify") == 0)
184 if (--argc < 1) break;
189 else if (strcmp(*argv,"-prverify") == 0)
191 if (--argc < 1) break;
195 else if (strcmp(*argv,"-signature") == 0)
197 if (--argc < 1) break;
200 else if (strcmp(*argv,"-keyform") == 0)
202 if (--argc < 1) break;
203 keyform=str2fmt(*(++argv));
205 #ifndef OPENSSL_NO_ENGINE
206 else if (strcmp(*argv,"-engine") == 0)
208 if (--argc < 1) break;
210 e = setup_engine(bio_err, engine, 0);
212 else if (strcmp(*argv,"-engine_impl") == 0)
215 else if (strcmp(*argv,"-hex") == 0)
217 else if (strcmp(*argv,"-binary") == 0)
219 else if (strcmp(*argv,"-d") == 0)
221 else if (!strcmp(*argv,"-hmac"))
227 else if (!strcmp(*argv,"-mac"))
233 else if (strcmp(*argv,"-sigopt") == 0)
238 sigopts = sk_OPENSSL_STRING_new_null();
239 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
242 else if (strcmp(*argv,"-macopt") == 0)
247 macopts = sk_OPENSSL_STRING_new_null();
248 if (!macopts || !sk_OPENSSL_STRING_push(macopts, *(++argv)))
251 else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
260 if(do_verify && !sigfile) {
261 BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
265 if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
267 BIO_printf(bio_err,"unknown option '%s'\n",*argv);
268 BIO_printf(bio_err,"options are\n");
269 BIO_printf(bio_err,"-c to output the digest with separating colons\n");
270 BIO_printf(bio_err,"-r to output the digest in coreutils format\n");
271 BIO_printf(bio_err,"-d to output debug info\n");
272 BIO_printf(bio_err,"-hex output as hex dump\n");
273 BIO_printf(bio_err,"-binary output in binary form\n");
274 BIO_printf(bio_err,"-sign file sign digest using private key in file\n");
275 BIO_printf(bio_err,"-verify file verify a signature using public key in file\n");
276 BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n");
277 BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n");
278 BIO_printf(bio_err,"-out filename output to filename rather than stdout\n");
279 BIO_printf(bio_err,"-signature file signature to verify\n");
280 BIO_printf(bio_err,"-sigopt nm:v signature parameter\n");
281 BIO_printf(bio_err,"-hmac key create hashed MAC with key\n");
282 BIO_printf(bio_err,"-mac algorithm create MAC (not neccessarily HMAC)\n");
283 BIO_printf(bio_err,"-macopt nm:v MAC algorithm parameters or key\n");
284 #ifndef OPENSSL_NO_ENGINE
285 BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
288 EVP_MD_do_all_sorted(list_md_fn, bio_err);
292 #ifndef OPENSSL_NO_ENGINE
297 in=BIO_new(BIO_s_file());
298 bmd=BIO_new(BIO_f_md());
301 BIO_set_callback(in,BIO_debug_callback);
302 /* needed for windows 3.1 */
303 BIO_set_callback_arg(in,(char *)bio_err);
306 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
308 BIO_printf(bio_err, "Error getting password\n");
312 if ((in == NULL) || (bmd == NULL))
314 ERR_print_errors(bio_err);
326 app_RAND_load_file(randfile, bio_err, 0);
330 out = BIO_new_file(outfile, "wb");
331 else out = BIO_new_file(outfile, "w");
333 out = BIO_new_fp(stdout, BIO_NOCLOSE);
334 #ifdef OPENSSL_SYS_VMS
336 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
337 out = BIO_push(tmpbio, out);
343 BIO_printf(bio_err, "Error opening output file %s\n",
344 outfile ? outfile : "(stdout)");
345 ERR_print_errors(bio_err);
348 if ((!!mac_name + !!keyfile + !!hmac_key) > 1)
350 BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
357 sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
360 sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
364 /* load_[pub]key() has already printed an appropriate
372 EVP_PKEY_CTX *mac_ctx = NULL;
374 if (!init_gen_str(bio_err, &mac_ctx, mac_name, impl, 0))
379 for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++)
381 macopt = sk_OPENSSL_STRING_value(macopts, i);
382 if (pkey_ctrl_string(mac_ctx, macopt) <= 0)
385 "MAC parameter error \"%s\"\n",
387 ERR_print_errors(bio_err);
392 if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0)
394 BIO_puts(bio_err, "Error generating key\n");
395 ERR_print_errors(bio_err);
401 EVP_PKEY_CTX_free(mac_ctx);
408 sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl,
409 (unsigned char *)hmac_key, -1);
416 EVP_MD_CTX *mctx = NULL;
417 EVP_PKEY_CTX *pctx = NULL;
419 if (!BIO_get_md_ctx(bmd, &mctx))
421 BIO_printf(bio_err, "Error getting context\n");
422 ERR_print_errors(bio_err);
426 r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey);
428 r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey);
431 BIO_printf(bio_err, "Error setting context\n");
432 ERR_print_errors(bio_err);
438 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++)
440 sigopt = sk_OPENSSL_STRING_value(sigopts, i);
441 if (pkey_ctrl_string(pctx, sigopt) <= 0)
444 "parameter error \"%s\"\n",
446 ERR_print_errors(bio_err);
452 /* we use md as a filter, reading from 'in' */
455 EVP_MD_CTX *mctx = NULL;
456 if (!BIO_get_md_ctx(bmd, &mctx))
458 BIO_printf(bio_err, "Error getting context\n");
459 ERR_print_errors(bio_err);
464 if (!EVP_DigestInit_ex(mctx, md, impl))
466 BIO_printf(bio_err, "Error setting digest %s\n", pname);
467 ERR_print_errors(bio_err);
472 if(sigfile && sigkey) {
474 sigbio = BIO_new_file(sigfile, "rb");
475 siglen = EVP_PKEY_size(sigkey);
476 sigbuf = OPENSSL_malloc(siglen);
478 BIO_printf(bio_err, "Error opening signature file %s\n",
480 ERR_print_errors(bio_err);
483 siglen = BIO_read(sigbio, sigbuf, siglen);
486 BIO_printf(bio_err, "Error reading signature file %s\n",
488 ERR_print_errors(bio_err);
492 inp=BIO_push(bmd,in);
497 BIO_get_md_ctx(bmd, &tctx);
498 md = EVP_MD_CTX_md(tctx);
503 BIO_set_fp(in,stdin,BIO_NOCLOSE);
504 err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
505 siglen,NULL,NULL,"stdin",bmd);
509 const char *md_name = NULL, *sig_name = NULL;
514 const EVP_PKEY_ASN1_METHOD *ameth;
515 ameth = EVP_PKEY_get0_asn1(sigkey);
517 EVP_PKEY_asn1_get0_info(NULL, NULL,
518 NULL, NULL, &sig_name, ameth);
520 md_name = EVP_MD_name(md);
523 for (i=0; i<argc; i++)
526 if (BIO_read_filename(in,argv[i]) <= 0)
533 r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
534 siglen,sig_name,md_name, argv[i],bmd);
537 (void)BIO_reset(bmd);
543 OPENSSL_cleanse(buf,BUFSIZE);
546 if (in != NULL) BIO_free(in);
548 OPENSSL_free(passin);
550 EVP_PKEY_free(sigkey);
552 sk_OPENSSL_STRING_free(sigopts);
554 sk_OPENSSL_STRING_free(macopts);
555 if(sigbuf) OPENSSL_free(sigbuf);
556 if (bmd != NULL) BIO_free(bmd);
561 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
562 EVP_PKEY *key, unsigned char *sigin, int siglen,
563 const char *sig_name, const char *md_name,
564 const char *file,BIO *bmd)
571 i=BIO_read(bp,(char *)buf,BUFSIZE);
574 BIO_printf(bio_err, "Read Error in %s\n",file);
575 ERR_print_errors(bio_err);
583 BIO_get_md_ctx(bp, &ctx);
584 i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
586 BIO_printf(out, "Verified OK\n");
589 BIO_printf(out, "Verification Failure\n");
594 BIO_printf(bio_err, "Error Verifying Data\n");
595 ERR_print_errors(bio_err);
603 BIO_get_md_ctx(bp, &ctx);
605 if(!EVP_DigestSignFinal(ctx, buf, &len))
607 BIO_printf(bio_err, "Error Signing Data\n");
608 ERR_print_errors(bio_err);
614 len=BIO_gets(bp,(char *)buf,BUFSIZE);
617 ERR_print_errors(bio_err);
622 if(binout) BIO_write(out, buf, len);
625 for (i=0; i<(int)len; i++)
626 BIO_printf(out, "%02x",buf[i]);
627 BIO_printf(out, " *%s\n", file);
632 BIO_printf(out, "%s-%s(%s)= ", sig_name, md_name, file);
634 BIO_printf(out, "%s(%s)= ", md_name, file);
636 BIO_printf(out, "(%s)= ", file);
637 for (i=0; i<(int)len; i++)
640 BIO_printf(out, ":");
641 BIO_printf(out, "%02x",buf[i]);
643 BIO_printf(out, "\n");