001 /* $RCSfile: CryptoTool.java,v $
002 * $Revision: 1.12 $
003 * $Date: 2002/11/23 11:07:03 $
004 * $Author: uwe_guenther $
005 * $State: Exp $
006 *
007 * Created on January 13, 2002 6:57 PM
008 *
009 * Copyright (C) 2001 Uwe Guenther <uwe@cscc.de>
010 *
011 * This file is part of the jhbci JCE-ServiceProvider. The jhbci JCE-
012 * ServiceProvider is a library, written in JavaTM, that should be
013 * used in HBCI banking applications (clients and may be servers),
014 * to do cryptographic operations.
015 *
016 * The jhbci library is free software; you can redistribute it and/or
017 * modify it under the terms of the GNU Lesser General Public
018 * License as published by the Free Software Foundation; either
019 * version 2.1 of the License, or (at your option) any later version.
020 *
021 * The jhbci library is distributed in the hope that it will be useful,
022 * but WITHOUT ANY WARRANTY; without even the implied warranty of
023 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
024 * Lesser General Public License for more details.
025 *
026 * You should have received a copy of the GNU Lesser General Public
027 * License along with this library; if not, write to the Free Software
028 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
029 *
030 */
031
032 package de.cscc.crypto.tools;
033
034 import java.io.FileInputStream;
035 import java.io.FileOutputStream;
036 import java.io.IOException;
037 import java.io.InputStream;
038 import java.io.ObjectInputStream;
039 import java.io.ObjectOutputStream;
040 import java.io.OutputStream;
041 import java.io.PrintStream;
042 import java.io.PrintWriter;
043 import java.io.PushbackInputStream;
044 import java.math.BigInteger;
045 import java.security.KeyPair;
046 import java.security.KeyPairGenerator;
047 import java.security.MessageDigest;
048 import java.security.Security;
049 import java.security.Signature;
050 import java.security.interfaces.RSAPrivateCrtKey;
051 import java.security.interfaces.RSAPublicKey;
052 import java.util.Arrays;
053 import java.util.logging.Level;
054
055 import javax.crypto.Cipher;
056 import javax.crypto.CipherInputStream;
057 import javax.crypto.CipherOutputStream;
058 import javax.crypto.KeyGenerator;
059 import javax.crypto.SecretKey;
060 import javax.crypto.SecretKeyFactory;
061
062 import de.cscc.crypto.provider.JHBCI;
063 import de.cscc.crypto.provider.spec.DESOperationModeInitializationVectorSpec;
064 import de.cscc.crypto.provider.spec.DESede3KeySpec;
065 import de.cscc.crypto.util.BigIntegerUtil;
066 import de.cscc.crypto.util.LoggerUtil;
067
068 /**
069 * CryptoTool Class.
070 *
071 * @author <a href=mailto:uwe@cscc.de>Uwe Günther</a>
072 *
073 * @version $Revision: 1.12 $
074 */
075 public final class CryptoTool {
076
077 private String version = "0.0.6";
078
079 private String command = null;
080 private int keysize = 1024;
081 private String keyFile = null;
082 private char[] password = null;
083 private String pubKeyFile = null;
084 private String showKeyFormat = "hex";
085 private String inFile = null;
086 private String outFile = null;
087 private String algorithm = "DES1Key";
088 private String sigFile = null;
089 private String digestFile = null;
090 private boolean debug = false;
091 private boolean verbose = false;
092 private String logLevel = "off";
093
094 private String lineSeparator = System.getProperty("line.separator");
095 private String fileSeparator = System.getProperty("file.separator");
096 private String userHome = System.getProperty("user.home");
097
098 private boolean headerPrinted = false;
099
100 /**
101 * Don't instanciate this Object out of this class.
102 */
103 private CryptoTool() {
104 }
105
106 /**
107 * String representation of this class. Useful for debugging.
108 *
109 * @return the String representation of this class.
110 */
111 public String toString() {
112 StringBuffer sb = new StringBuffer();
113 sb.append("version: ");
114 sb.append(version);
115 sb.append(lineSeparator);
116 sb.append("command: ");
117 sb.append(command);
118 sb.append(lineSeparator);
119 sb.append("keysize: ");
120 sb.append(keysize);
121 sb.append(lineSeparator);
122 sb.append("keyFile: ");
123 sb.append(keyFile);
124 sb.append(lineSeparator);
125 sb.append("password: ");
126 sb.append(password);
127 sb.append(lineSeparator);
128 sb.append("pubKeyFile: ");
129 sb.append(pubKeyFile);
130 sb.append(lineSeparator);
131 sb.append("showKeyFormat: ");
132 sb.append(showKeyFormat);
133 sb.append(lineSeparator);
134 sb.append("inFile: ");
135 sb.append(inFile);
136 sb.append(lineSeparator);
137 sb.append("outFile: ");
138 sb.append(outFile);
139 sb.append(lineSeparator);
140 sb.append("algorithm: ");
141 sb.append(algorithm);
142 sb.append(lineSeparator);
143 sb.append("sigFile: ");
144 sb.append(sigFile);
145 sb.append(lineSeparator);
146 sb.append("digestFile: ");
147 sb.append(digestFile);
148 sb.append(lineSeparator);
149 sb.append("debug: ");
150 sb.append(debug);
151 sb.append(lineSeparator);
152 sb.append("verbose: ");
153 sb.append(verbose);
154 sb.append(lineSeparator);
155 sb.append("logLevel: ");
156 sb.append(logLevel);
157 sb.append(lineSeparator);
158
159 sb.append(lineSeparator);
160
161 sb.append("userHome: ");
162 sb.append(userHome);
163 sb.append(lineSeparator);
164
165 return sb.toString();
166 }
167
168 /**
169 * The main method.
170 *
171 * @param args the argument String array.
172 */
173 public static void main (String[] args) {
174 CryptoTool ct = new CryptoTool();
175 ct.run(args, System.out);
176 }
177
178 /**
179 * The object starter.
180 *
181 * @param args the argument String array.
182 * @param out the PrintStream where the output should be go out.
183 */
184 public void run(String[] args, PrintStream out) {
185 try {
186 parseArgs(args);
187 doCommands(out);
188 if(debug) {
189 System.err.println(this);
190 }
191 } catch (Exception e) {
192 header();
193 System.err.println("CryptoTool Error: " + e.getMessage());
194 System.err.println();
195 if (debug) {
196 e.printStackTrace();
197 System.err.println(this);
198 }
199 System.exit(1);
200 } finally {
201 System.err.println();
202 System.err.println("Thanks for using CryptoTool.");
203 }
204 }
205
206 /**
207 * Parse command line arguments.
208 *
209 * @args the argument String array.
210 * @throws Exception if there is an invalid commandline option.
211 */
212 private void parseArgs(String[] args) throws Exception {
213
214 int i=0;
215
216 for (i=0; (i < args.length) && args[i].startsWith("-"); i++) {
217
218 String flags = args[i];
219
220 /*
221 * command modes
222 */
223 if (flags.equalsIgnoreCase("-genkey")) {
224 command = "genkey";
225 } else if (flags.equalsIgnoreCase("-showkey")) {
226 command = "showkey";
227 } else if (flags.equalsIgnoreCase("-export")) {
228 command = "export";
229 } else if (flags.equalsIgnoreCase("-showpub")) {
230 command = "showpub";
231 } else if (flags.equalsIgnoreCase("-encrypt")) {
232 command = "encrypt";
233 } else if (flags.equalsIgnoreCase("-decrypt")) {
234 command = "decrypt";
235 } else if (flags.equalsIgnoreCase("-sign")) {
236 command = "sign";
237 } else if (flags.equalsIgnoreCase("-verify")) {
238 command = "verify";
239 } else if (flags.equalsIgnoreCase("-digest")) {
240 command = "digest";
241 } else if (flags.equalsIgnoreCase("-help")) {
242 usage();
243 return;
244 }
245
246 /*
247 * specifiers
248 */
249 else if (flags.equalsIgnoreCase("-keysize")) {
250 if (++i == args.length) usage();
251 keysize = Integer.parseInt(args[i]);
252 } else if (flags.equalsIgnoreCase("-keyfile")) {
253 if (++i == args.length) usage();
254 keyFile = args[i];
255 } else if (flags.equalsIgnoreCase("-keypass")) {
256 if (++i == args.length) usage();
257 password = args[i].toCharArray();
258 } else if (flags.equalsIgnoreCase("-pubkey")) {
259 if (++i == args.length) usage();
260 pubKeyFile = args[i];
261 } else if (flags.equalsIgnoreCase("-in")) {
262 if (++i == args.length) usage();
263 inFile = args[i];
264 } else if (flags.equalsIgnoreCase("-out")) {
265 if (++i == args.length) usage();
266 outFile = args[i];
267 } else if (flags.equalsIgnoreCase("-alg")) {
268 if (++i == args.length) usage();
269 algorithm = args[i];
270 } else if (flags.equalsIgnoreCase("-sigfile")) {
271 if (++i == args.length) usage();
272 sigFile = args[i];
273 } else if (flags.equalsIgnoreCase("-digestfile")) {
274 if (++i == args.length) usage();
275 digestFile = args[i];
276 } else if (flags.equalsIgnoreCase("-logging")) {
277 if (++i == args.length) usage();
278 logLevel = args[i];
279 }
280
281 /*
282 * options
283 */
284 else if (flags.equalsIgnoreCase("-v")) {
285 verbose = true;
286 } else if (flags.equalsIgnoreCase("-debug")) {
287 debug = true;
288 } else if (flags.equalsIgnoreCase("-hex")) {
289 showKeyFormat = "hex";
290 } else if (flags.equalsIgnoreCase("-dec")) {
291 showKeyFormat = "dec";
292 } else {
293 throw new Exception("Illegal option " + flags + ".");
294 }
295 }
296
297 if (i<args.length || command==null) {
298 usage();
299 }
300 }
301
302
303 /**
304 * Execute the commands.
305 *
306 * @out the PrintStream where the output should be go out.
307 * @throws Exception if some of the underlying commands goes wrong.
308 */
309 private void doCommands(PrintStream out) throws Exception {
310
311 if (command == null) {
312 return;
313 }
314
315 //Add JHBCI Provider
316 Security.addProvider(new JHBCI());
317
318 setStderrLogLevel();
319
320 if (command.equals("genkey")) {
321 genKey();
322 } else if (command.equals("showkey")) {
323 showKey(out);
324 } else if (command.equals("export")) {
325 export();
326 } else if (command.equals("showpub")) {
327 showPub(out);
328 } else if (command.equals("encrypt")) {
329 encrypt();
330 } else if (command.equals("decrypt")) {
331 decrypt();
332 } else if (command.equals("sign")) {
333 sign();
334 } else if (command.equals("verify")) {
335 verify();
336 } else if (command.equals("digest")) {
337 digest();
338 }
339 }
340
341 /**
342 * Sets a requested log level to the stderr.
343 *
344 * @throws Exception if a wrong log level has been requested.
345 */
346 private void setStderrLogLevel() throws Exception {
347 if (logLevel.equalsIgnoreCase("off")) {
348 LoggerUtil.setConsoleLogging("", Level.OFF);
349 } else if (logLevel.equalsIgnoreCase("severe")) {
350 LoggerUtil.setConsoleLogging("", Level.SEVERE);
351 } else if (logLevel.equalsIgnoreCase("warning")) {
352 LoggerUtil.setConsoleLogging("", Level.WARNING);
353 } else if (logLevel.equalsIgnoreCase("info")) {
354 LoggerUtil.setConsoleLogging("", Level.INFO);
355 } else if (logLevel.equalsIgnoreCase("config")) {
356 LoggerUtil.setConsoleLogging("", Level.CONFIG);
357 } else if (logLevel.equalsIgnoreCase("fine")) {
358 LoggerUtil.setConsoleLogging("", Level.FINE);
359 } else if (logLevel.equalsIgnoreCase("finer")) {
360 LoggerUtil.setConsoleLogging("", Level.FINER);
361 } else if (logLevel.equalsIgnoreCase("finest")) {
362 LoggerUtil.setConsoleLogging("", Level.FINEST);
363 } else if(logLevel.equalsIgnoreCase("all")) {
364 LoggerUtil.setConsoleLogging("", Level.ALL);
365 } else {
366 throw new Exception("Wrong logging level.");
367 }
368
369 }
370
371 /**
372 * Generate a RSA KeyPair and writes it to a DESede3Key encrypted
373 * "keyFile".
374 *
375 * @throws Exception if somthing goes wrong.
376 */
377 private void genKey() throws Exception {
378 if (keyFile == null) {
379 keyFile = userHome + fileSeparator + ".keyfile";
380 }
381
382 header();
383 System.err.println("RSA Key File: " + keyFile);
384 System.err.println("RSA Key Length: " + keysize);
385 System.err.println();
386
387 KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA", "JHBCI");
388 keyGen.initialize(keysize);
389 KeyPair keyPair = keyGen.generateKeyPair();
390
391 SecretKey desede3Key = null;
392
393 if (password == null) {
394 System.err.print("Enter keyfile password: ");
395 password = readPasswd(System.in);
396 if (password.length < 6) {
397 throw new Exception("New password must be at least 6 characters.");
398 }
399
400
401 System.err.print("Enter keyfile password again: ");
402 char[] password2 = readPasswd(System.in);
403 if (Arrays.equals(password, password2)) {
404 desede3Key = genDESede3Key(password);
405 } else {
406 throw new Exception("Too many failures - try later.");
407 }
408 System.err.println();
409 } else {
410 if (password.length < 6) {
411 throw new Exception("New password must be at least 6 characters.");
412 }
413 desede3Key = genDESede3Key(password);
414 }
415
416 byte[] rawIV = {
417 (byte)0x01, (byte)0x23, (byte)0x45, (byte)0x67,
418 (byte)0x89, (byte)0xab, (byte)0xcd, (byte)0xef
419 };
420
421 DESOperationModeInitializationVectorSpec iv =
422 new DESOperationModeInitializationVectorSpec(rawIV);
423
424 Cipher encrypt = Cipher.getInstance(
425 "DESede3Key/CBC/ISO10126OctetPadding", "JHBCI");
426 encrypt.init(Cipher.ENCRYPT_MODE, desede3Key, iv);
427
428 OutputStream fos = null;
429 OutputStream cos = null;
430 ObjectOutputStream oos = null;
431 try {
432 fos = new FileOutputStream(keyFile);
433 cos = new CipherOutputStream(fos, encrypt);
434 oos = new ObjectOutputStream(cos);
435
436 oos.writeObject(keyPair.getPublic());
437 oos.flush();
438 oos.writeObject(keyPair.getPrivate());
439 oos.flush();
440 } finally {
441 if (oos != null) {
442 oos.close();
443 } else if (cos != null) {
444 cos.close();
445 } else if (fos != null) {
446 fos.close();
447 }
448 }
449 System.err.println("Key successfully generated.");
450 }
451
452 /**
453 * Generates a DESede3Key from a given password.
454 *
455 * @param password the password that will be used for this PBE algorithm.
456 * @return the generated SecretKey.
457 * @throws Exception if something goes wrong with the SecretKeyFactory.
458 */
459 private SecretKey genDESede3Key(char[] password) throws Exception {
460 MessageDigest innerDigest =
461 MessageDigest.getInstance("RIPEMD160", "JHBCI");
462 MessageDigest outerDigest =
463 MessageDigest.getInstance("RIPEMD160", "JHBCI");
464
465 char [] salt = {
466 'D', 'o', 'n', 't', ' ', 'h', 'a', 'r', 'm', ' ', 'm', 'e', '.'
467 };
468
469 int iterationCount = 5;
470
471 for (int i = 0; i < iterationCount; i++) {
472 for (int j = 0; j < password.length; j++) {
473 innerDigest.update((byte) ((password[j] >>> 8) & 0xff));
474 innerDigest.update((byte) (password[j] & 0xff));
475 }
476 for (int j = 0; j < salt.length; j++) {
477 innerDigest.update((byte) ((salt[j] >>> 8) & 0xff));
478 innerDigest.update((byte) (salt[j] & 0xff));
479 }
480 MessageDigest tempDigest = (MessageDigest) innerDigest.clone();
481 outerDigest.update(innerDigest.digest());
482 innerDigest = tempDigest;
483 }
484
485 byte[] firstDigest = outerDigest.digest();
486
487 innerDigest.reset();
488 outerDigest.reset();
489 iterationCount = 15;
490 for (int i = 0; i < iterationCount; i++) {
491 for (int j = 0; j < password.length; j++) {
492 innerDigest.update((byte) ((password[j] >>> 8) & 0xff));
493 innerDigest.update((byte) (password[j] & 0xff));
494 }
495 for (int j = 0; j < salt.length; j++) {
496 innerDigest.update((byte) ((salt[j] >>> 8) & 0xff));
497 innerDigest.update((byte) (salt[j] & 0xff));
498 }
499 MessageDigest tempDigest = (MessageDigest) innerDigest.clone();
500 outerDigest.update(innerDigest.digest());
501 innerDigest = tempDigest;
502 }
503
504 byte[] secondDigest = outerDigest.digest();
505
506 byte[] rawDESede3Key = new byte[24];
507 System.arraycopy(firstDigest, 0, rawDESede3Key, 0, 12);
508 System.arraycopy(secondDigest, 8, rawDESede3Key, 12, 12);
509
510 DESede3KeySpec keySpec = new DESede3KeySpec(rawDESede3Key);
511 SecretKeyFactory factory =
512 SecretKeyFactory.getInstance("DESede3Key", "JHBCI");
513 return factory.generateSecret(keySpec);
514 }
515
516 /**
517 * Reads user password from given input stream.
518 *
519 * @param in the InputStream frow which the password will be read.
520 * @return the password.
521 * @throws IOException if somthing goeas wrong with the InputStream.
522 */
523 private char[] readPasswd(InputStream in) throws IOException {
524 char[] lineBuffer;
525 char[] buf;
526
527 buf = lineBuffer = new char[128];
528
529 int room = buf.length;
530 int offset = 0;
531 int c;
532
533 loop:
534 while (true) {
535 switch (c = in.read()) {
536 case -1:
537 case '\n':
538 break loop;
539
540 case '\r':
541 int c2 = in.read();
542 if ((c2 != '\n') && (c2 != -1)) {
543 if (!(in instanceof PushbackInputStream)) {
544 in = new PushbackInputStream(in);
545 }
546 ((PushbackInputStream)in).unread(c2);
547 } else
548 break loop;
549
550 default:
551 if (--room < 0) {
552 buf = new char[offset + 128];
553 room = buf.length - offset - 1;
554 System.arraycopy(lineBuffer, 0, buf, 0, offset);
555 Arrays.fill(lineBuffer, ' ');
556 lineBuffer = buf;
557 }
558 buf[offset++] = (char) c;
559 break;
560 }
561 }
562
563 if (offset == 0) {
564 return null;
565 }
566
567 char[] ret = new char[offset];
568 System.arraycopy(buf, 0, ret, 0, offset);
569 Arrays.fill(buf, ' ');
570
571 return ret;
572 }
573
574 /**
575 * List the key bytes as hex.
576 *
577 * @param out the PrintStream where the key will be shown.
578 * @throws Exception if the password cna't be read from readKeyPair()
579 */
580 private void showKey(PrintStream out) throws Exception {
581 header();
582 KeyPair keyPair = readKeyPair();
583 System.err.println();
584
585 if (showKeyFormat.equals("dec")) {
586 out.print(toDecString((RSAPrivateCrtKey) keyPair.getPrivate()));
587 } else if (showKeyFormat.equals("hex")) {
588 out.print(toHexString((RSAPrivateCrtKey) keyPair.getPrivate()));
589 }
590 }
591
592 /**
593 * Reads a KeyPair form a "keyFile".
594 *
595 * @throws Exception if something goes wrong.
596 */
597 private KeyPair readKeyPair() throws Exception {
598 if (keyFile == null) {
599 keyFile = userHome + fileSeparator + ".keyfile";
600 }
601 if (password == null) {
602 System.err.print("Enter keyfile password: ");
603 password = readPasswd(System.in);
604 System.err.println();
605 }
606 SecretKey desede3Key = genDESede3Key(password);
607
608 byte[] rawIV = {
609 (byte)0x01, (byte)0x23, (byte)0x45, (byte)0x67,
610 (byte)0x89, (byte)0xab, (byte)0xcd, (byte)0xef
611 };
612
613 DESOperationModeInitializationVectorSpec iv =
614 new DESOperationModeInitializationVectorSpec(rawIV);
615
616 Cipher decrypt = Cipher.getInstance(
617 "DESede3Key/CBC/ISO10126OctetPadding", "JHBCI");
618 decrypt.init(Cipher.DECRYPT_MODE, desede3Key, iv);
619
620 RSAPublicKey publicKey = null;
621 RSAPrivateCrtKey privateCrtKey = null;
622 InputStream fis = null;
623 InputStream cis = null;
624 ObjectInputStream ois = null;
625 try {
626 fis = new FileInputStream(keyFile);
627 cis = new CipherInputStream(fis, decrypt);
628 ois = new ObjectInputStream(cis);
629 publicKey = (RSAPublicKey) ois.readObject();
630 privateCrtKey = (RSAPrivateCrtKey) ois.readObject();
631 } finally {
632 if (ois != null) {
633 ois.close();
634 } else if (cis != null) {
635 cis.close();
636 } else if (fis != null) {
637 fis.close();
638 }
639 }
640
641 System.err.println("RSA Key File: " + keyFile);
642 System.err.print("RSA Key Length: ");
643 System.err.print(privateCrtKey.getModulus().bitLength() + " bit");
644 System.err.println();
645
646 return new KeyPair(publicKey, privateCrtKey);
647 }
648
649 /**
650 * Converts a RSAPrivateCrtKey in its decimal String representation.
651 *
652 * @param key that will be converted to a String.
653 * @return the converted key as String.
654 */
655 private String toDecString(RSAPrivateCrtKey key) {
656 BigInteger modulus = key.getModulus();
657 BigInteger publicExponent = key.getPublicExponent();
658 BigInteger privateExponent = key.getPrivateExponent();
659 BigInteger primeP = key.getPrimeP();
660 BigInteger primeQ = key.getPrimeQ();
661 BigInteger primeExponentP = key.getPrimeExponentP();
662 BigInteger primeExponentQ = key.getPrimeExponentQ();
663 BigInteger crtCoefficient = key.getCrtCoefficient();
664
665 StringBuffer sb = new StringBuffer();
666 sb.append("Key length: ");
667 sb.append(key.getModulus().bitLength());
668 sb.append(lineSeparator);
669 sb.append(lineSeparator);
670
671 sb.append("Modulus: ");
672 sb.append(lineSeparator);
673 sb.append(toDec(modulus));
674 sb.append(lineSeparator);
675 sb.append(lineSeparator);
676
677 sb.append("Public Exponent: ");
678 sb.append(lineSeparator);
679 sb.append(toDec(publicExponent));
680 sb.append(lineSeparator);
681 sb.append(lineSeparator);
682
683 sb.append("Private Exponent: ");
684 sb.append(lineSeparator);
685 sb.append(toDec(privateExponent));
686 sb.append(lineSeparator);
687 sb.append(lineSeparator);
688
689 sb.append("Prime P: ");
690 sb.append(lineSeparator);
691 sb.append(toDec(primeP));
692 sb.append(lineSeparator);
693 sb.append(lineSeparator);
694
695 sb.append("Prime Q: ");
696 sb.append(lineSeparator);
697 sb.append(toDec(primeQ));
698 sb.append(lineSeparator);
699 sb.append(lineSeparator);
700
701 sb.append("Prime Exponent P: ");
702 sb.append(lineSeparator);
703 sb.append(toDec(primeExponentP));
704 sb.append(lineSeparator);
705 sb.append(lineSeparator);
706
707 sb.append("Prime Exponent Q: ");
708 sb.append(lineSeparator);
709 sb.append(toDec(primeExponentQ));
710 sb.append(lineSeparator);
711 sb.append(lineSeparator);
712
713 sb.append("Chinese Remainder Coefficient: ");
714 sb.append(lineSeparator);
715 sb.append(toDec(crtCoefficient));
716 sb.append(lineSeparator);
717
718 return sb.toString();
719 }
720
721 /**
722 * Converts a BigInteger to decimal block string.
723 *
724 * @param number that will be converted to a String.
725 * @return the converted number as String.
726 */
727 private String toDec(BigInteger number) {
728 char[] block = number.toString().toCharArray();
729 StringBuffer sb = new StringBuffer();
730 int len = block.length;
731 for (int i = 0; i < len; i++) {
732 if ((i % 48 == 0) && (i != 0)) {
733 sb.append(lineSeparator);
734 }
735 sb.append(block[i]);
736 }
737 return sb.toString();
738 }
739
740 /**
741 * Converts a RSAPrivateCrtKey in its hexadecimal String representation.
742 *
743 * @param key that will be converted to a String.
744 * @return the converted key as String.
745 */
746 private String toHexString(RSAPrivateCrtKey key) {
747 BigInteger modulus = key.getModulus();
748 BigInteger publicExponent = key.getPublicExponent();
749 BigInteger privateExponent = key.getPrivateExponent();
750 BigInteger primeP = key.getPrimeP();
751 BigInteger primeQ = key.getPrimeQ();
752 BigInteger primeExponentP = key.getPrimeExponentP();
753 BigInteger primeExponentQ = key.getPrimeExponentQ();
754 BigInteger crtCoefficient = key.getCrtCoefficient();
755
756 StringBuffer sb = new StringBuffer();
757 sb.append("Key length: ");
758 sb.append(key.getModulus().bitLength());
759 sb.append(lineSeparator);
760 sb.append(lineSeparator);
761
762 sb.append("Modulus: ");
763 sb.append(lineSeparator);
764 sb.append(toHex(BigIntegerUtil.toUnsignedByteArray(modulus)));
765 sb.append(lineSeparator);
766 sb.append(lineSeparator);
767
768 sb.append("Public Exponent: ");
769 sb.append(lineSeparator);
770 sb.append(toHex(BigIntegerUtil.toUnsignedByteArray(publicExponent)));
771 sb.append(lineSeparator);
772 sb.append(lineSeparator);
773
774 sb.append("Private Exponent: ");
775 sb.append(lineSeparator);
776 sb.append(toHex(BigIntegerUtil.toUnsignedByteArray(privateExponent)));
777 sb.append(lineSeparator);
778 sb.append(lineSeparator);
779
780 sb.append("Prime P: ");
781 sb.append(lineSeparator);
782 sb.append(toHex(BigIntegerUtil.toUnsignedByteArray(primeP)));
783 sb.append(lineSeparator);
784 sb.append(lineSeparator);
785
786 sb.append("Prime Q: ");
787 sb.append(lineSeparator);
788 sb.append(toHex(BigIntegerUtil.toUnsignedByteArray(primeQ)));
789 sb.append(lineSeparator);
790 sb.append(lineSeparator);
791
792 sb.append("Prime Exponent P: ");
793 sb.append(lineSeparator);
794 sb.append(toHex(BigIntegerUtil.toUnsignedByteArray(primeExponentP)));
795 sb.append(lineSeparator);
796 sb.append(lineSeparator);
797
798 sb.append("Prime Exponent Q: ");
799 sb.append(lineSeparator);
800 sb.append(toHex(BigIntegerUtil.toUnsignedByteArray(primeExponentQ)));
801 sb.append(lineSeparator);
802 sb.append(lineSeparator);
803
804 sb.append("Chinese Remainder Coefficient: ");
805 sb.append(lineSeparator);
806 sb.append(toHex(BigIntegerUtil.toUnsignedByteArray(crtCoefficient)));
807 sb.append(lineSeparator);
808
809 return sb.toString();
810 }
811
812 /**
813 * Converts a byte array to hex string
814 *
815 * @param number that will be converted to a String.
816 * @return the converted number as String.
817 */
818 private String toHex(byte[] block) {
819 StringBuffer sb = new StringBuffer();
820 int len = block.length;
821 for (int i = 0; i < len; i++) {
822 if ((i % 16 == 0) && (i != 0)) {
823 sb.append(lineSeparator);
824 }
825 if (i % 16 != 0){
826 sb.append(' ');
827 if (i % 8 == 0) {
828 sb.append(' ');
829 }
830 }
831 byte2hex(block[i], sb);
832 }
833 return sb.toString();
834 }
835
836
837 /**
838 * Converts a byte to hex digit and writes to the supplied buffer
839 *
840 * @param b the byte that should be converted into the buf.
841 * @param buf the StringBuffer.
842 */
843 private void byte2hex(byte b, StringBuffer buf) {
844 char[] hexChars = { '0', '1', '2', '3', '4', '5', '6', '7', '8',
845 '9', 'a', 'b', 'c', 'd', 'e', 'f' };
846 int high = ((b & 0xf0) >> 4);
847 int low = (b & 0x0f);
848 buf.append(hexChars[high]);
849 buf.append(hexChars[low]);
850 }
851
852 /**
853 * Exports a public Key out of the "keyFile" into the "pubKeyFile".
854 *
855 * @throws Exception if something goes wrong.
856 */
857 private void export() throws Exception {
858 if (pubKeyFile == null) {
859 throw new Exception("You have to specify a PublicKeyOutputFile.");
860 }
861 header();
862 RSAPublicKey publicKey = (RSAPublicKey) readKeyPair().getPublic();
863 System.err.println("RSA Public Key File: " + pubKeyFile);
864
865 OutputStream fos = null;
866 ObjectOutputStream oos = null;
867 try {
868 fos = new FileOutputStream(pubKeyFile);
869 oos = new ObjectOutputStream(fos);
870 oos.writeObject(publicKey);
871 } finally {
872 if (oos != null) {
873 oos.close();
874 } else if (fos != null) {
875 fos.close();
876 }
877 }
878 System.err.println();
879 System.err.println("Public Key successfully exported.");
880 }
881
882 /**
883 * Shows a previously exported public Key which is read from "pubKeyFile".
884 *
885 * @param out the PrintStream to which the public Key will be printed out.
886 * @throws Exception if key reading goes wrong.
887 */
888 private void showPub(PrintStream out) throws Exception {
889 if (pubKeyFile == null) {
890 throw new Exception("You have to specify a PublicKeyInputFile.");
891 }
892 header();
893
894 RSAPublicKey publicKey = readPublicKey();
895 System.err.println();
896
897 if (showKeyFormat.equals("dec")) {
898 out.print(toDecString(publicKey));
899 } else if (showKeyFormat.equals("hex")) {
900 out.print(toHexString(publicKey));
901 }
902 }
903
904
905 /**
906 * Reads a previously exported public Key from "pubKeyFile".
907 *
908 * @throws Exception if key reading goes wrong.
909 */
910 private RSAPublicKey readPublicKey() throws Exception {
911 if (pubKeyFile == null) {
912 throw new Exception("You have to specify a PublicKeyInputFile.");
913 }
914 System.err.println("RSA Public Key File: " + pubKeyFile);
915
916 RSAPublicKey publicKey = null;
917 InputStream fis = null;
918 ObjectInputStream ois = null;
919 try {
920 fis = new FileInputStream(pubKeyFile);
921 ois = new ObjectInputStream(fis);
922
923 publicKey = (RSAPublicKey) ois.readObject();
924 } finally {
925 if (ois != null) {
926 ois.close();
927 } else if (fis != null) {
928 fis.close();
929 }
930 }
931
932 System.err.print("RSA Key Length: ");
933 System.err.print(publicKey.getModulus().bitLength() + " bit");
934 System.err.println();
935
936 return publicKey;
937 }
938
939 /**
940 * Converts a RSAPublicKey in its decimal String representation.
941 *
942 * @param key that will be converted to a String.
943 * @return the converted key as String.
944 */
945 private String toDecString(RSAPublicKey key) {
946 BigInteger modulus = key.getModulus();
947 BigInteger publicExponent = key.getPublicExponent();
948
949 StringBuffer sb = new StringBuffer();
950 sb.append("Key length: ");
951 sb.append(key.getModulus().bitLength());
952 sb.append(lineSeparator);
953 sb.append(lineSeparator);
954
955 sb.append("Modulus: ");
956 sb.append(lineSeparator);
957 sb.append(toDec(modulus));
958 sb.append(lineSeparator);
959 sb.append(lineSeparator);
960
961 sb.append("Public Exponent: ");
962 sb.append(lineSeparator);
963 sb.append(toDec(publicExponent));
964 sb.append(lineSeparator);
965
966 return sb.toString();
967 }
968
969 /**
970 * Converts a RSAPublicKey in its hexadecimal String representation.
971 *
972 * @param key that will be converted to a String.
973 * @return the converted key as String.
974 */
975 private String toHexString(RSAPublicKey key) {
976 BigInteger modulus = key.getModulus();
977 BigInteger publicExponent = key.getPublicExponent();
978
979 StringBuffer sb = new StringBuffer();
980 sb.append("Key length: ");
981 sb.append(key.getModulus().bitLength());
982 sb.append(lineSeparator);
983 sb.append(lineSeparator);
984
985 sb.append("Modulus: ");
986 sb.append(lineSeparator);
987 sb.append(toHex(BigIntegerUtil.toUnsignedByteArray(modulus)));
988 sb.append(lineSeparator);
989 sb.append(lineSeparator);
990
991 sb.append("Public Exponent: ");
992 sb.append(lineSeparator);
993 sb.append(toHex(BigIntegerUtil.toUnsignedByteArray(publicExponent)));
994 sb.append(lineSeparator);
995
996 return sb.toString();
997 }
998
999 /**
1000 * Encrypts the "inFile" to the "outFile" with the "pubKeyFile".
1001 *
1002 * @throws Exception if something goes wrong.
1003 */
1004 private void encrypt() throws Exception {
1005 if (inFile == null) {
1006 throw new Exception("You have to specify a PlainTextInputFile.");
1007 }
1008 if (outFile == null) {
1009 throw new Exception("You have to specify a CipherTextOutputFile.");
1010 }
1011
1012 header();
1013 System.err.println("Plain Text File: " + inFile);
1014 System.err.println("Cipher Text File: " + outFile);
1015
1016 RSAPublicKey publicKey = readPublicKey();
1017
1018 KeyGenerator keyGen = KeyGenerator.getInstance(algorithm, "JHBCI");
1019 SecretKey desKey = keyGen.generateKey();
1020
1021 System.err.println("DES Key Wrapper File: " + outFile + ".des");
1022 System.err.print("DES Key Length: ");
1023 System.err.print(desKey.getEncoded().length * 7);
1024 System.err.println(" bit without parity");
1025 System.err.println();
1026
1027
1028 Cipher wrapper = Cipher.getInstance("RSA", "JHBCI");
1029 wrapper.init(Cipher.WRAP_MODE, publicKey);
1030 byte[] wrappedKey = wrapper.wrap(desKey);
1031
1032 OutputStream kfos = new FileOutputStream(outFile + ".des");
1033 ObjectOutputStream oos = new ObjectOutputStream(kfos);
1034 oos.writeObject(algorithm);
1035 oos.writeObject(wrappedKey);
1036 kfos.close();
1037
1038 Cipher encrypt = Cipher.getInstance(
1039 algorithm + "/CBC/ISO10126OctetPadding", "JHBCI");
1040
1041 byte[] rawIV = {
1042 (byte)0x01, (byte)0x23, (byte)0x45, (byte)0x67,
1043 (byte)0x89, (byte)0xab, (byte)0xcd, (byte)0xef
1044 };
1045
1046 DESOperationModeInitializationVectorSpec iv =
1047 new DESOperationModeInitializationVectorSpec(rawIV);
1048
1049 encrypt.init(Cipher.ENCRYPT_MODE, desKey, iv);
1050
1051
1052 InputStream fin = null;
1053 OutputStream fos = null;
1054 OutputStream cos = null;
1055 long before = System.currentTimeMillis();
1056 try {
1057 fin = new FileInputStream(inFile);
1058 fos = new FileOutputStream(outFile);
1059 cos = new CipherOutputStream(fos, encrypt);
1060 byte[] buffer = new byte[4096];
1061 loop:
1062 for(long read = 0, i = 0, j = 1024 * 100, k = 1; true;) {
1063 read = fin.read(buffer);
1064 if (read == -1) {
1065 if (k != 1) {
1066 System.err.print('.');
1067 for (int l = 0; l < (60 - k); l++) {
1068 System.err.print(' ');
1069 }
1070 }
1071 System.err.println("[" + i + "]");
1072 System.err.println();
1073 break loop;
1074 }
1075 cos.write(buffer, 0, (int) read);
1076 i += read;
1077 if (i > j) {
1078 if (k == 60) {
1079 System.err.println('.' + "[" + i + "]");
1080 k = 1;
1081 } else {
1082 System.err.print('.');
1083 k++;
1084 }
1085 j += 1024 * 100;
1086 }
1087 }
1088 } finally {
1089 if (fin != null) {
1090 try {
1091 fin.close();
1092 } finally {
1093 if (fos != null) {
1094 if (cos != null) {
1095 cos.close();
1096 } else {
1097 fos.close();
1098 }
1099 }
1100 }
1101 }
1102 }
1103 long after = System.currentTimeMillis();
1104 System.err.print("Time to encrypt the whole file: ");
1105 System.err.println((after - before) + "ms");
1106
1107 }
1108
1109 /**
1110 * Decrypts the "inFile" to the "outFile" with the "keyFile".
1111 *
1112 * @throws Exception if something goes wrong.
1113 */
1114 private void decrypt() throws Exception {
1115 if (inFile == null) {
1116 throw new Exception("You have to specify a PlainTextInputFile.");
1117 }
1118 if (outFile == null) {
1119 throw new Exception("You have to specify a CipherTextOutputFile.");
1120 }
1121
1122 header();
1123 System.err.println("Cipher Text File: " + inFile);
1124 System.err.println("Plain Text File: " + outFile);
1125 System.err.println();
1126
1127 InputStream kfis = new FileInputStream(inFile + ".des");
1128 ObjectInputStream ois = new ObjectInputStream(kfis);
1129
1130 algorithm = (String) ois.readObject();
1131 byte[] wrappedKey = (byte[]) ois.readObject();
1132 ois.close();
1133
1134 RSAPrivateCrtKey privateCrtKey =
1135 (RSAPrivateCrtKey) readKeyPair().getPrivate();
1136 Cipher unwrapper = Cipher.getInstance("RSA", "JHBCI");
1137 unwrapper.init(Cipher.UNWRAP_MODE, privateCrtKey);
1138 SecretKey desKey =
1139 (SecretKey) unwrapper.unwrap(wrappedKey, algorithm, Cipher.SECRET_KEY);
1140
1141 System.err.println("DES Key Wrapper File: " + inFile + ".des");
1142 System.err.print("DES Key Length: ");
1143 System.err.print(desKey.getEncoded().length * 7);
1144 System.err.println(" bit without parity");
1145 System.err.println();
1146
1147 Cipher decrypt = Cipher.getInstance(
1148 algorithm + "/CBC/ISO10126OctetPadding", "JHBCI");
1149
1150 byte[] rawIV = {
1151 (byte)0x01, (byte)0x23, (byte)0x45, (byte)0x67,
1152 (byte)0x89, (byte)0xab, (byte)0xcd, (byte)0xef
1153 };
1154
1155 DESOperationModeInitializationVectorSpec iv =
1156 new DESOperationModeInitializationVectorSpec(rawIV);
1157
1158 decrypt.init(Cipher.DECRYPT_MODE, desKey, iv);
1159
1160 InputStream fis = null;
1161 InputStream cis = null;
1162 OutputStream fos = null;
1163 long before = System.currentTimeMillis();
1164 try {
1165 fis = new FileInputStream(inFile);
1166 cis = new CipherInputStream(fis, decrypt);
1167 fos = new FileOutputStream(outFile);
1168 byte[] buffer = new byte[4096];
1169 loop:
1170 for(long read = 0, i = 0, j = 1024 * 100, k = 1; true;) {
1171 read = cis.read(buffer);
1172 if (read == -1) {
1173 if (k != 1) {
1174 System.err.print('.');
1175 for (int l = 0; l < (60 - k); l++) {
1176 System.err.print(' ');
1177 }
1178 }
1179 System.err.println("[" + i + "]");
1180 System.err.println();
1181 break loop;
1182 }
1183 fos.write(buffer, 0, (int) read);
1184 i += read;
1185 if (i > j) {
1186 if (k == 60) {
1187 System.err.println('.' + "[" + i + "]");
1188 k = 1;
1189 } else {
1190 System.err.print('.');
1191 k++;
1192 }
1193 j += 1024 * 100;
1194 }
1195 }
1196
1197 } finally {
1198 if (cis != null) {
1199 try {
1200 cis.close();
1201 } finally {
1202 if (fos != null) {
1203 fos.close();
1204 }
1205 }
1206 } else if (fis != null) {
1207 fis.close();
1208 }
1209 }
1210 long after = System.currentTimeMillis();
1211 System.err.print("Time to decrypt the whole file: ");
1212 System.err.println((after - before) + "ms");
1213 }
1214
1215 /**
1216 * Signs the "inFile" to the "sigFile" with the "keyFile".
1217 *
1218 * @throws Exception if something goes wrong.
1219 */
1220 private void sign() throws Exception {
1221 if (inFile == null) {
1222 throw new Exception("You have to specify a MessageInputFile.");
1223 }
1224 if (sigFile == null) {
1225 throw new Exception("You have to specify a SignatureOutputFile.");
1226 }
1227
1228 header();
1229 System.err.println("Message File: " + inFile);
1230 System.err.println("Signature File: " + sigFile);
1231 System.err.println();
1232
1233 RSAPrivateCrtKey privateCrtKey =
1234 (RSAPrivateCrtKey) readKeyPair().getPrivate();
1235 System.err.println();
1236 Signature signer =
1237 Signature.getInstance("RIPEMD160WithISO9796-1AndRSA", "JHBCI");
1238 signer.initSign(privateCrtKey);
1239
1240 InputStream fin = null;
1241 long before = System.currentTimeMillis();
1242 try {
1243 fin = new FileInputStream(inFile);
1244 byte[] buffer = new byte[4096];
1245 loop:
1246 for(long read = 0, i = 0, j = 1024 * 100, k = 1; true;) {
1247 read = fin.read(buffer);
1248 if (read == -1) {
1249 if (k != 1) {
1250 System.err.print('.');
1251 for (int l = 0; l < (60 - k); l++) {
1252 System.err.print(' ');
1253 }
1254 }
1255 System.err.println("[" + i + "]");
1256 System.err.println();
1257 break loop;
1258 }
1259 signer.update(buffer, 0, (int) read);
1260 i += read;
1261 if (i > j) {
1262 if (k == 60) {
1263 System.err.println('.' + "[" + i + "]");
1264 k = 1;
1265 } else {
1266 System.err.print('.');
1267 k++;
1268 }
1269 j += 1024 * 100;
1270 }
1271 }
1272 } finally {
1273 if (fin != null) {
1274 fin.close();
1275 }
1276 }
1277
1278 byte[] signature = null;
1279 OutputStream fos = null;
1280 try {
1281 fos = new FileOutputStream(sigFile);
1282 signature = signer.sign();
1283 fos.write(signature);
1284 } finally {
1285 if (fos != null) {
1286 fos.close();
1287 }
1288 }
1289
1290 System.err.println("Signature:");
1291 System.err.println("");
1292 System.err.println(toHex(signature));
1293 System.err.println();
1294
1295 System.err.println("Signature successfully created.");
1296 System.err.println("");
1297
1298 long after = System.currentTimeMillis();
1299 System.err.print("Time to sign the whole file: ");
1300 System.err.println((after - before) + "ms");
1301 }
1302
1303 /**
1304 * Verifies the "inFile" to with the "sigFile" and the "pubKeyFile".
1305 *
1306 * @throws Exception if something goes wrong.
1307 */
1308 private void verify() throws Exception {
1309 if (inFile == null) {
1310 throw new Exception("You have to specify a MessageInputFile.");
1311 }
1312 if (sigFile == null) {
1313 throw new Exception("You have to specify a SignatureInputFile.");
1314 }
1315
1316 header();
1317 System.err.println("Message File: " + inFile);
1318 System.err.println("Signature File: " + sigFile);
1319
1320 RSAPublicKey publicKey = readPublicKey();
1321 System.err.println();
1322 Signature verifier =
1323 Signature.getInstance("RIPEMD160WithISO9796-1AndRSA", "JHBCI");
1324 verifier.initVerify(publicKey);
1325
1326 InputStream fin = null;
1327 long before = System.currentTimeMillis();
1328 try {
1329 fin = new FileInputStream(inFile);
1330 byte[] buffer = new byte[4096];
1331 loop:
1332 for(long read = 0, i = 0, j = 1024 * 100, k = 1; true;) {
1333 read = fin.read(buffer);
1334 if (read == -1) {
1335 if (k != 1) {
1336 System.err.print('.');
1337 for (int l = 0; l < (60 - k); l++) {
1338 System.err.print(' ');
1339 }
1340 }
1341 System.err.println("[" + i + "]");
1342 System.err.println();
1343 break loop;
1344 }
1345 verifier.update(buffer, 0, (int) read);
1346 i += read;
1347 if (i > j) {
1348 if (k == 60) {
1349 System.err.println('.' + "[" + i + "]");
1350 k = 1;
1351 } else {
1352 System.err.print('.');
1353 k++;
1354 }
1355 j += 1024 * 100;
1356 }
1357 }
1358 } finally {
1359 if (fin != null) {
1360 fin.close();
1361 }
1362 }
1363
1364 InputStream sfin = null;
1365 try {
1366 sfin = new FileInputStream(sigFile);
1367 byte[] buffer = null;
1368 byte[] signature = null;
1369 byte[] temp = null;
1370 loop2:
1371 for(int read = 0; true;) {
1372 buffer = new byte[4096];
1373 read = sfin.read(buffer);
1374 if (read == -1) {
1375 break;
1376 }
1377 if (signature == null) {
1378 signature = new byte[read];
1379 System.arraycopy(buffer, 0, signature, 0, read);
1380 } else {
1381 temp = signature;
1382 signature = new byte[temp.length + read];
1383 System.arraycopy(temp, 0, signature, 0, temp.length);
1384 System.arraycopy(buffer, 0, signature, temp.length, read);
1385 temp = null;
1386 }
1387 }
1388
1389 System.err.println("Signature:");
1390 System.err.println("");
1391 System.err.println(toHex(signature));
1392 System.err.println();
1393
1394 boolean verified = verifier.verify(signature);
1395 if (verified) {
1396 System.err.println("Signature successfully verified.");
1397 } else {
1398 System.err.println("Signature rejected.");
1399 }
1400
1401 long after = System.currentTimeMillis();
1402 System.err.println();
1403 System.err.print("Time to verify the whole file: ");
1404 System.err.println((after - before) + "ms");
1405 } finally {
1406 if (sfin != null) {
1407 fin.close();
1408 }
1409 }
1410 }
1411
1412 /**
1413 * Digest the "inFile" to "digestFile".
1414 *
1415 * @throws Exception if something goes wrong.
1416 */
1417 private void digest() throws Exception {
1418 if (inFile == null) {
1419 throw new Exception("You have to specify a MessageInputFile.");
1420 }
1421 if (digestFile == null) {
1422 throw new Exception("You have to specify a DigestOutputFile.");
1423 }
1424
1425 header();
1426 System.err.println("Message File: " + inFile);
1427 System.err.println("Digest File: " + digestFile);
1428 System.err.println();
1429
1430 MessageDigest digest = MessageDigest.getInstance("RIPEMD160", "JHBCI");
1431 InputStream fin = null;
1432 try {
1433 fin = new FileInputStream(inFile);
1434 byte[] buffer = new byte[4096];
1435 loop:
1436 for(long read = 0, i = 0, j = 1024 * 100, k = 1; true;) {
1437 read = fin.read(buffer);
1438 if (read == -1) {
1439 if (k != 1) {
1440 System.err.print('.');
1441 for (int l = 0; l < (60 - k); l++) {
1442 System.err.print(' ');
1443 }
1444 }
1445 System.err.println("[" + i + "]");
1446 System.err.println();
1447 break loop;
1448 }
1449 digest.update(buffer, 0, (int) read);
1450 i += read;
1451 if (i > j) {
1452 if (k == 60) {
1453 System.err.println('.' + "[" + i + "]");
1454 k = 1;
1455 } else {
1456 System.err.print('.');
1457 k++;
1458 }
1459 j += 1024 * 100;
1460 }
1461 }
1462 } finally {
1463 if (fin != null) {
1464 fin.close();
1465 }
1466 }
1467
1468 byte[] messageDigest = digest.digest();
1469
1470 OutputStream fos = null;
1471 PrintWriter pw = null;
1472 try {
1473 fos = new FileOutputStream(digestFile);
1474 pw = new PrintWriter(fos);
1475 System.err.println("Signature RIPEMD160:");
1476 System.err.println();
1477 System.err.println(toHex(messageDigest));
1478 pw.println(toHex(messageDigest));
1479 } finally {
1480 if (pw != null) {
1481 pw.close();
1482 } else if( fos != null) {
1483 fos.close();
1484 }
1485 }
1486 }
1487
1488 /**
1489 * Prints the header info of this tool.
1490 */
1491 private void header() {
1492 if (headerPrinted) {
1493 return ;
1494 } else {
1495 headerPrinted = true;
1496 }
1497
1498 //Header
1499 System.err.println();
1500 System.err.print("CryptoTool v" + version + " Copyright (C) ");
1501 System.err.print("2001, 2002 ");
1502 System.err.print("Uwe Guenther <uwe@cscc.de> ");
1503 System.err.println();
1504 System.err.print("All Rights Reserved. ");
1505 System.err.print("(build 0.0.6-b72, 10/04/2003 09:23 PM)");
1506 System.err.println();
1507 System.err.println();
1508 }
1509
1510 /**
1511 * Prints the usage of this tool.
1512 */
1513 private void usage() {
1514 //header
1515 header();
1516 System.err.print("CryptoTool Usage:");
1517 System.err.println();
1518 System.err.println();
1519
1520 //help
1521 System.err.print("-help ");
1522 System.err.print("Print out this usage message. ");
1523 System.err.println();
1524 System.err.println();
1525
1526 //genkey
1527 System.err.print("-genkey ");
1528 System.err.print("[-keysize <KeySize>] ");
1529 System.err.print("[-keyfile <KeyOutputFile>] ");
1530 System.err.println();
1531 System.err.print(" ");
1532 System.err.print("[-keypass <password>] ");
1533 System.err.println();
1534 System.err.print(" ");
1535 System.err.print("[-logging <off|severe|warning|info|fine|finer|finest|all>] ");
1536 System.err.println();
1537 System.err.println();
1538
1539 //showkey
1540 System.err.print("-showkey ");
1541 System.err.print("[-hex | -dec] ");
1542 System.err.print("[-keyfile <KeyInputFile>] ");
1543 System.err.println();
1544 System.err.print(" ");
1545 System.err.print("[-keypass <password>] ");
1546 System.err.println();
1547 System.err.print(" ");
1548 System.err.print("[-logging <off|severe|warning|info|fine|finer|finest|all>] ");
1549 System.err.println();
1550 System.err.println();
1551
1552 //exportkey
1553 System.err.print("-export ");
1554 System.err.print("[-keyfile <KeyInputFile>] [-pubkey <PublicKeyOutputFile]");
1555 System.err.println();
1556 System.err.print(" ");
1557 System.err.print("[-keypass <password>] ");
1558 System.err.println();
1559 System.err.print(" ");
1560 System.err.print("[-logging <off|severe|warning|info|fine|finer|finest|all>] ");
1561 System.err.println();
1562 System.err.println();
1563
1564 //showpubkey
1565 System.err.print("-showpub ");
1566 System.err.print("[-hex | -dec] ");
1567 System.err.print("[-pubkey <PublicKeyInputFile>] ");
1568 System.err.println();
1569 System.err.print(" ");
1570 System.err.print("[-logging <off|severe|warning|info|fine|finer|finest|all>] ");
1571 System.err.println();
1572 System.err.println();
1573
1574 //encrypt
1575 System.err.print("-encrypt ");
1576 System.err.print("[-in <PlainTextInputFile>] ");
1577 System.err.print("[-out <CipherTextOutputFile>] ");
1578 System.err.println();
1579 System.err.print(" ");
1580 System.err.print("[-pubkey <PublicKeyInputFile>] ");
1581 System.err.println();
1582 System.err.print(" ");
1583 System.err.print("[-alg <DES1Key|DESede2Key|DESede3Key>] ");
1584 System.err.println();
1585 System.err.print(" ");
1586 System.err.print("[-logging <off|severe|warning|info|fine|finer|finest|all>] ");
1587 System.err.println();
1588 System.err.println();
1589
1590 //decrypt
1591 System.err.print("-decrypt ");
1592 System.err.print("[-in <CipherTextInputFile>] ");
1593 System.err.print("[-out <PlainTextOutputFile>] ");
1594 System.err.println();
1595 System.err.print(" ");
1596 System.err.print("[-keyfile <KeyInputFile>] ");
1597 System.err.print("[-keypass <password>] ");
1598 System.err.println();
1599 System.err.print(" ");
1600 System.err.print("[-logging <off|severe|warning|info|fine|finer|finest|all>] ");
1601 System.err.println();
1602 System.err.println();
1603
1604 //sign
1605 System.err.print("-sign ");
1606 System.err.print("[-in <MessageInputFile>] ");
1607 System.err.print("[-sigfile <SignatureOutputFile>] ");
1608 System.err.println();
1609 System.err.print(" ");
1610 System.err.print("[-keyfile <KeyInputFile>] ");
1611 System.err.print("[-keypass <password>] ");
1612 System.err.println();
1613 System.err.print(" ");
1614 System.err.print("[-logging <off|severe|warning|info|fine|finer|finest|all>] ");
1615 System.err.println();
1616 System.err.println();
1617
1618 //verify
1619 System.err.print("-verify ");
1620 System.err.print("[-in <MessageInputFile>] ");
1621 System.err.print("[-sigfile <SignatureInputFile>] ");
1622 System.err.println();
1623 System.err.print(" ");
1624 System.err.print("[-pubkey <PublicKeyInputFile>] ");
1625 System.err.println();
1626 System.err.print(" ");
1627 System.err.print("[-logging <off|severe|warning|info|fine|finer|finest|all>] ");
1628 System.err.println();
1629 System.err.println();
1630
1631 //disgest
1632 System.err.print("-digest ");
1633 System.err.print("[-in <MessageInputFile>] ");
1634 System.err.print("[-disgestfile <DigestOutputFile>] ");
1635 System.err.println();
1636 System.err.print(" ");
1637 System.err.print("[-logging <off|severe|warning|info|fine|finer|finest|all>] ");
1638 System.err.println();
1639 System.err.println();
1640
1641 //Finish, we lose ;-)
1642 System.exit(1);
1643 }
1644 }