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 int MAIN(int, char **);
84 int MAIN(int argc, char **argv)
87 unsigned char *buf=NULL;
89 const EVP_MD *md=NULL,*m;
93 #define PROG_NAME_SIZE 39
94 char pname[PROG_NAME_SIZE+1];
97 int keyform=FORMAT_PEM;
98 const char *outfile = NULL, *keyfile = NULL;
99 const char *sigfile = NULL, *randfile = NULL;
100 int out_bin = -1, want_pub = 0, do_verify = 0;
101 EVP_PKEY *sigkey = NULL;
102 unsigned char *sigbuf = NULL;
104 char *passargin = NULL, *passin = NULL;
105 #ifndef OPENSSL_NO_ENGINE
110 STACK_OF(STRING) *sigopts = NULL, *macopts = NULL;
114 if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
116 BIO_printf(bio_err,"out of memory\n");
120 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
121 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
123 if (!load_config(bio_err, NULL))
126 /* first check the program name */
127 program_name(argv[0],pname,sizeof pname);
129 md=EVP_get_digestbyname(pname);
135 if ((*argv)[0] != '-') break;
136 if (strcmp(*argv,"-c") == 0)
138 else if (strcmp(*argv,"-rand") == 0)
140 if (--argc < 1) break;
143 else if (strcmp(*argv,"-out") == 0)
145 if (--argc < 1) break;
148 else if (strcmp(*argv,"-sign") == 0)
150 if (--argc < 1) break;
153 else if (!strcmp(*argv,"-passin"))
159 else if (strcmp(*argv,"-verify") == 0)
161 if (--argc < 1) break;
166 else if (strcmp(*argv,"-prverify") == 0)
168 if (--argc < 1) break;
172 else if (strcmp(*argv,"-signature") == 0)
174 if (--argc < 1) break;
177 else if (strcmp(*argv,"-keyform") == 0)
179 if (--argc < 1) break;
180 keyform=str2fmt(*(++argv));
182 #ifndef OPENSSL_NO_ENGINE
183 else if (strcmp(*argv,"-engine") == 0)
185 if (--argc < 1) break;
187 e = setup_engine(bio_err, engine, 0);
190 else if (strcmp(*argv,"-hex") == 0)
192 else if (strcmp(*argv,"-binary") == 0)
194 else if (strcmp(*argv,"-d") == 0)
196 else if (!strcmp(*argv,"-hmac"))
202 else if (!strcmp(*argv,"-mac"))
208 else if (strcmp(*argv,"-sigopt") == 0)
213 sigopts = sk_STRING_new_null();
214 if (!sigopts || !sk_STRING_push(sigopts, *(++argv)))
217 else if (strcmp(*argv,"-macopt") == 0)
222 macopts = sk_STRING_new_null();
223 if (!macopts || !sk_STRING_push(macopts, *(++argv)))
226 else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
235 if(do_verify && !sigfile) {
236 BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
240 if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
242 BIO_printf(bio_err,"unknown option '%s'\n",*argv);
243 BIO_printf(bio_err,"options are\n");
244 BIO_printf(bio_err,"-c to output the digest with separating colons\n");
245 BIO_printf(bio_err,"-d to output debug info\n");
246 BIO_printf(bio_err,"-hex output as hex dump\n");
247 BIO_printf(bio_err,"-binary output in binary form\n");
248 BIO_printf(bio_err,"-sign file sign digest using private key in file\n");
249 BIO_printf(bio_err,"-verify file verify a signature using public key in file\n");
250 BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n");
251 BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n");
252 BIO_printf(bio_err,"-signature file signature to verify\n");
253 BIO_printf(bio_err,"-sigopt nm:v signature parameter\n");
254 BIO_printf(bio_err,"-binary output in binary form\n");
255 BIO_printf(bio_err,"-hmac key create hashed MAC with key\n");
256 #ifndef OPENSSL_NO_ENGINE
257 BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
260 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm (default)\n",
262 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
264 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
266 #ifndef OPENSSL_NO_SHA
267 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
269 #ifndef OPENSSL_NO_SHA256
270 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
271 LN_sha224,LN_sha224);
272 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
273 LN_sha256,LN_sha256);
275 #ifndef OPENSSL_NO_SHA512
276 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
277 LN_sha384,LN_sha384);
278 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
279 LN_sha512,LN_sha512);
282 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
284 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
285 LN_ripemd160,LN_ripemd160);
286 #ifndef OPENSSL_NO_WHIRLPOOL
287 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
288 SN_whirlpool,SN_whirlpool);
293 in=BIO_new(BIO_s_file());
294 bmd=BIO_new(BIO_f_md());
297 BIO_set_callback(in,BIO_debug_callback);
298 /* needed for windows 3.1 */
299 BIO_set_callback_arg(in,(char *)bio_err);
302 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
304 BIO_printf(bio_err, "Error getting password\n");
308 if ((in == NULL) || (bmd == NULL))
310 ERR_print_errors(bio_err);
322 app_RAND_load_file(randfile, bio_err, 0);
326 out = BIO_new_file(outfile, "wb");
327 else out = BIO_new_file(outfile, "w");
329 out = BIO_new_fp(stdout, BIO_NOCLOSE);
330 #ifdef OPENSSL_SYS_VMS
332 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
333 out = BIO_push(tmpbio, out);
339 BIO_printf(bio_err, "Error opening output file %s\n",
340 outfile ? outfile : "(stdout)");
341 ERR_print_errors(bio_err);
344 if ((!!mac_name + !!keyfile + !!hmac_key) > 1)
346 BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
353 sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
356 sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
360 /* load_[pub]key() has already printed an appropriate
368 EVP_PKEY_CTX *mac_ctx = NULL;
370 if (!init_gen_str(bio_err, &mac_ctx, mac_name,e, 0))
375 for (i = 0; i < sk_STRING_num(macopts); i++)
377 macopt = sk_STRING_value(macopts, i);
378 if (pkey_ctrl_string(mac_ctx, macopt) <= 0)
381 "MAC parameter error \"%s\"\n",
383 ERR_print_errors(bio_err);
388 if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0)
390 BIO_puts(bio_err, "Error generating key\n");
391 ERR_print_errors(bio_err);
397 EVP_PKEY_CTX_free(mac_ctx);
404 sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, e,
405 (unsigned char *)hmac_key, -1);
412 EVP_MD_CTX *mctx = NULL;
413 EVP_PKEY_CTX *pctx = NULL;
415 if (!BIO_get_md_ctx(bmd, &mctx))
417 BIO_printf(bio_err, "Error getting context\n");
418 ERR_print_errors(bio_err);
422 r = EVP_DigestVerifyInit(mctx, &pctx, md, e, sigkey);
424 r = EVP_DigestSignInit(mctx, &pctx, md, e, sigkey);
427 BIO_printf(bio_err, "Error setting context\n");
428 ERR_print_errors(bio_err);
434 for (i = 0; i < sk_STRING_num(sigopts); i++)
436 sigopt = sk_STRING_value(sigopts, i);
437 if (pkey_ctrl_string(pctx, sigopt) <= 0)
440 "parameter error \"%s\"\n",
442 ERR_print_errors(bio_err);
448 /* we use md as a filter, reading from 'in' */
453 if (!BIO_set_md(bmd,md))
455 BIO_printf(bio_err, "Error setting digest %s\n", pname);
456 ERR_print_errors(bio_err);
461 if(sigfile && sigkey) {
463 sigbio = BIO_new_file(sigfile, "rb");
464 siglen = EVP_PKEY_size(sigkey);
465 sigbuf = OPENSSL_malloc(siglen);
467 BIO_printf(bio_err, "Error opening signature file %s\n",
469 ERR_print_errors(bio_err);
472 siglen = BIO_read(sigbio, sigbuf, siglen);
475 BIO_printf(bio_err, "Error reading signature file %s\n",
477 ERR_print_errors(bio_err);
481 inp=BIO_push(bmd,in);
486 BIO_get_md_ctx(bmd, &tctx);
487 md = EVP_MD_CTX_md(tctx);
492 BIO_set_fp(in,stdin,BIO_NOCLOSE);
493 err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
494 siglen,NULL,NULL,"stdin",bmd);
498 const char *md_name = NULL, *sig_name = NULL;
503 const EVP_PKEY_ASN1_METHOD *ameth;
504 ameth = EVP_PKEY_get0_asn1(sigkey);
506 EVP_PKEY_asn1_get0_info(NULL, NULL,
507 NULL, NULL, &sig_name, ameth);
509 md_name = EVP_MD_name(md);
512 for (i=0; i<argc; i++)
515 if (BIO_read_filename(in,argv[i]) <= 0)
522 r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
523 siglen,sig_name,md_name, argv[i],bmd);
526 (void)BIO_reset(bmd);
532 OPENSSL_cleanse(buf,BUFSIZE);
535 if (in != NULL) BIO_free(in);
537 OPENSSL_free(passin);
539 EVP_PKEY_free(sigkey);
541 sk_STRING_free(sigopts);
543 sk_STRING_free(macopts);
544 if(sigbuf) OPENSSL_free(sigbuf);
545 if (bmd != NULL) BIO_free(bmd);
550 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
551 EVP_PKEY *key, unsigned char *sigin, int siglen,
552 const char *sig_name, const char *md_name,
553 const char *file,BIO *bmd)
560 i=BIO_read(bp,(char *)buf,BUFSIZE);
563 BIO_printf(bio_err, "Read Error in %s\n",file);
564 ERR_print_errors(bio_err);
572 BIO_get_md_ctx(bp, &ctx);
573 i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
575 BIO_printf(out, "Verified OK\n");
578 BIO_printf(out, "Verification Failure\n");
583 BIO_printf(bio_err, "Error Verifying Data\n");
584 ERR_print_errors(bio_err);
592 BIO_get_md_ctx(bp, &ctx);
594 if(!EVP_DigestSignFinal(ctx, buf, &len))
596 BIO_printf(bio_err, "Error Signing Data\n");
597 ERR_print_errors(bio_err);
602 len=BIO_gets(bp,(char *)buf,BUFSIZE);
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");