Source Code Cross Referenced for md.java in  » Testing » Marathon » org » python » modules » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » Marathon » org.python.modules 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package org.python.modules;
002:
003:        /* Class for implementing md4 and md5 hash algorithms.
004:         * There are constructors for prepping the hash algorithm (doing the
005:         * padding, mainly) for a String or a byte[], and an mdcalc() method
006:         * for generating the hash. The results can be accessed as an int array
007:         * by getregs(), or as a String of hex digits with toString().
008:         *
009:         * Written for jotp, by Harry Mantakos harry@meretrix.com
010:         *
011:         * Feel free to do whatever you like with this code.
012:         * If you do modify or use this code in another application,
013:         * I'd be interested in hearing from you!
014:         */
015:
016:        class md4 extends md {
017:            md4(String s) {
018:                super (s);
019:            }
020:
021:            md4(byte in[]) {
022:                super (in);
023:            }
024:
025:            static int F(int x, int y, int z) {
026:                return ((x & y) | (~x & z));
027:            }
028:
029:            static int G(int x, int y, int z) {
030:                return ((x & y) | (x & z) | (y & z));
031:            }
032:
033:            static int H(int x, int y, int z) {
034:                return (x ^ y ^ z);
035:            }
036:
037:            void round1(int blk) {
038:                A = rotintlft((A + F(B, C, D) + d[0 + 16 * blk]), 3);
039:                D = rotintlft((D + F(A, B, C) + d[1 + 16 * blk]), 7);
040:                C = rotintlft((C + F(D, A, B) + d[2 + 16 * blk]), 11);
041:                B = rotintlft((B + F(C, D, A) + d[3 + 16 * blk]), 19);
042:
043:                A = rotintlft((A + F(B, C, D) + d[4 + 16 * blk]), 3);
044:                D = rotintlft((D + F(A, B, C) + d[5 + 16 * blk]), 7);
045:                C = rotintlft((C + F(D, A, B) + d[6 + 16 * blk]), 11);
046:                B = rotintlft((B + F(C, D, A) + d[7 + 16 * blk]), 19);
047:
048:                A = rotintlft((A + F(B, C, D) + d[8 + 16 * blk]), 3);
049:                D = rotintlft((D + F(A, B, C) + d[9 + 16 * blk]), 7);
050:                C = rotintlft((C + F(D, A, B) + d[10 + 16 * blk]), 11);
051:                B = rotintlft((B + F(C, D, A) + d[11 + 16 * blk]), 19);
052:
053:                A = rotintlft((A + F(B, C, D) + d[12 + 16 * blk]), 3);
054:                D = rotintlft((D + F(A, B, C) + d[13 + 16 * blk]), 7);
055:                C = rotintlft((C + F(D, A, B) + d[14 + 16 * blk]), 11);
056:                B = rotintlft((B + F(C, D, A) + d[15 + 16 * blk]), 19);
057:            }
058:
059:            void round2(int blk) {
060:                A = rotintlft((A + G(B, C, D) + d[0 + 16 * blk] + 0x5a827999),
061:                        3);
062:                D = rotintlft((D + G(A, B, C) + d[4 + 16 * blk] + 0x5a827999),
063:                        5);
064:                C = rotintlft((C + G(D, A, B) + d[8 + 16 * blk] + 0x5a827999),
065:                        9);
066:                B = rotintlft((B + G(C, D, A) + d[12 + 16 * blk] + 0x5a827999),
067:                        13);
068:
069:                A = rotintlft((A + G(B, C, D) + d[1 + 16 * blk] + 0x5a827999),
070:                        3);
071:                D = rotintlft((D + G(A, B, C) + d[5 + 16 * blk] + 0x5a827999),
072:                        5);
073:                C = rotintlft((C + G(D, A, B) + d[9 + 16 * blk] + 0x5a827999),
074:                        9);
075:                B = rotintlft((B + G(C, D, A) + d[13 + 16 * blk] + 0x5a827999),
076:                        13);
077:
078:                A = rotintlft((A + G(B, C, D) + d[2 + 16 * blk] + 0x5a827999),
079:                        3);
080:                D = rotintlft((D + G(A, B, C) + d[6 + 16 * blk] + 0x5a827999),
081:                        5);
082:                C = rotintlft((C + G(D, A, B) + d[10 + 16 * blk] + 0x5a827999),
083:                        9);
084:                B = rotintlft((B + G(C, D, A) + d[14 + 16 * blk] + 0x5a827999),
085:                        13);
086:
087:                A = rotintlft((A + G(B, C, D) + d[3 + 16 * blk] + 0x5a827999),
088:                        3);
089:                D = rotintlft((D + G(A, B, C) + d[7 + 16 * blk] + 0x5a827999),
090:                        5);
091:                C = rotintlft((C + G(D, A, B) + d[11 + 16 * blk] + 0x5a827999),
092:                        9);
093:                B = rotintlft((B + G(C, D, A) + d[15 + 16 * blk] + 0x5a827999),
094:                        13);
095:
096:            }
097:
098:            void round3(int blk) {
099:                A = rotintlft((A + H(B, C, D) + d[0 + 16 * blk] + 0x6ed9eba1),
100:                        3);
101:                D = rotintlft((D + H(A, B, C) + d[8 + 16 * blk] + 0x6ed9eba1),
102:                        9);
103:                C = rotintlft((C + H(D, A, B) + d[4 + 16 * blk] + 0x6ed9eba1),
104:                        11);
105:                B = rotintlft((B + H(C, D, A) + d[12 + 16 * blk] + 0x6ed9eba1),
106:                        15);
107:
108:                A = rotintlft((A + H(B, C, D) + d[2 + 16 * blk] + 0x6ed9eba1),
109:                        3);
110:                D = rotintlft((D + H(A, B, C) + d[10 + 16 * blk] + 0x6ed9eba1),
111:                        9);
112:                C = rotintlft((C + H(D, A, B) + d[6 + 16 * blk] + 0x6ed9eba1),
113:                        11);
114:                B = rotintlft((B + H(C, D, A) + d[14 + 16 * blk] + 0x6ed9eba1),
115:                        15);
116:
117:                A = rotintlft((A + H(B, C, D) + d[1 + 16 * blk] + 0x6ed9eba1),
118:                        3);
119:                D = rotintlft((D + H(A, B, C) + d[9 + 16 * blk] + 0x6ed9eba1),
120:                        9);
121:                C = rotintlft((C + H(D, A, B) + d[5 + 16 * blk] + 0x6ed9eba1),
122:                        11);
123:                B = rotintlft((B + H(C, D, A) + d[13 + 16 * blk] + 0x6ed9eba1),
124:                        15);
125:
126:                A = rotintlft((A + H(B, C, D) + d[3 + 16 * blk] + 0x6ed9eba1),
127:                        3);
128:                D = rotintlft((D + H(A, B, C) + d[11 + 16 * blk] + 0x6ed9eba1),
129:                        9);
130:                C = rotintlft((C + H(D, A, B) + d[7 + 16 * blk] + 0x6ed9eba1),
131:                        11);
132:                B = rotintlft((B + H(C, D, A) + d[15 + 16 * blk] + 0x6ed9eba1),
133:                        15);
134:
135:            }
136:
137:            void round4(int blk) {
138:                System.out.println(" must be md5, in round4!");
139:            }
140:        }
141:
142:        class md5 extends md {
143:            md5(String s) {
144:                super (s);
145:            }
146:
147:            md5(byte in[]) {
148:                super (in);
149:            }
150:
151:            static int F(int x, int y, int z) {
152:                return ((x & y) | (~x & z));
153:            }
154:
155:            static int G(int x, int y, int z) {
156:                return ((x & z) | (y & ~z));
157:            }
158:
159:            static int H(int x, int y, int z) {
160:                return (x ^ y ^ z);
161:            }
162:
163:            static int I(int x, int y, int z) {
164:                return (y ^ (x | ~z));
165:            }
166:
167:            void round1(int blk) {
168:                A = rotintlft(A + F(B, C, D) + d[0 + 16 * blk] + 0xd76aa478, 7)
169:                        + B;
170:                D = rotintlft(D + F(A, B, C) + d[1 + 16 * blk] + 0xe8c7b756, 12)
171:                        + A;
172:                C = rotintlft(C + F(D, A, B) + d[2 + 16 * blk] + 0x242070db, 17)
173:                        + D;
174:                B = rotintlft(B + F(C, D, A) + d[3 + 16 * blk] + 0xc1bdceee, 22)
175:                        + C;
176:
177:                A = rotintlft(A + F(B, C, D) + d[4 + 16 * blk] + 0xf57c0faf, 7)
178:                        + B;
179:                D = rotintlft(D + F(A, B, C) + d[5 + 16 * blk] + 0x4787c62a, 12)
180:                        + A;
181:                C = rotintlft(C + F(D, A, B) + d[6 + 16 * blk] + 0xa8304613, 17)
182:                        + D;
183:                B = rotintlft(B + F(C, D, A) + d[7 + 16 * blk] + 0xfd469501, 22)
184:                        + C;
185:                A = rotintlft(A + F(B, C, D) + d[8 + 16 * blk] + 0x698098d8, 7)
186:                        + B;
187:                D = rotintlft(D + F(A, B, C) + d[9 + 16 * blk] + 0x8b44f7af, 12)
188:                        + A;
189:                C = rotintlft(C + F(D, A, B) + d[10 + 16 * blk] + 0xffff5bb1,
190:                        17)
191:                        + D;
192:                B = rotintlft(B + F(C, D, A) + d[11 + 16 * blk] + 0x895cd7be,
193:                        22)
194:                        + C;
195:                A = rotintlft(A + F(B, C, D) + d[12 + 16 * blk] + 0x6b901122, 7)
196:                        + B;
197:                D = rotintlft(D + F(A, B, C) + d[13 + 16 * blk] + 0xfd987193,
198:                        12)
199:                        + A;
200:                C = rotintlft(C + F(D, A, B) + d[14 + 16 * blk] + 0xa679438e,
201:                        17)
202:                        + D;
203:                B = rotintlft(B + F(C, D, A) + d[15 + 16 * blk] + 0x49b40821,
204:                        22)
205:                        + C;
206:            }
207:
208:            void round2(int blk) {
209:                A = rotintlft(A + G(B, C, D) + d[1 + 16 * blk] + 0xf61e2562, 5)
210:                        + B;
211:                D = rotintlft(D + G(A, B, C) + d[6 + 16 * blk] + 0xc040b340, 9)
212:                        + A;
213:                C = rotintlft(C + G(D, A, B) + d[11 + 16 * blk] + 0x265e5a51,
214:                        14)
215:                        + D;
216:                B = rotintlft(B + G(C, D, A) + d[0 + 16 * blk] + 0xe9b6c7aa, 20)
217:                        + C;
218:                A = rotintlft(A + G(B, C, D) + d[5 + 16 * blk] + 0xd62f105d, 5)
219:                        + B;
220:                D = rotintlft(D + G(A, B, C) + d[10 + 16 * blk] + 0x02441453, 9)
221:                        + A;
222:                C = rotintlft(C + G(D, A, B) + d[15 + 16 * blk] + 0xd8a1e681,
223:                        14)
224:                        + D;
225:                B = rotintlft(B + G(C, D, A) + d[4 + 16 * blk] + 0xe7d3fbc8, 20)
226:                        + C;
227:                A = rotintlft(A + G(B, C, D) + d[9 + 16 * blk] + 0x21e1cde6, 5)
228:                        + B;
229:                D = rotintlft(D + G(A, B, C) + d[14 + 16 * blk] + 0xc33707d6, 9)
230:                        + A;
231:                C = rotintlft(C + G(D, A, B) + d[3 + 16 * blk] + 0xf4d50d87, 14)
232:                        + D;
233:                B = rotintlft(B + G(C, D, A) + d[8 + 16 * blk] + 0x455a14ed, 20)
234:                        + C;
235:                A = rotintlft(A + G(B, C, D) + d[13 + 16 * blk] + 0xa9e3e905, 5)
236:                        + B;
237:                D = rotintlft(D + G(A, B, C) + d[2 + 16 * blk] + 0xfcefa3f8, 9)
238:                        + A;
239:                C = rotintlft(C + G(D, A, B) + d[7 + 16 * blk] + 0x676f02d9, 14)
240:                        + D;
241:                B = rotintlft(B + G(C, D, A) + d[12 + 16 * blk] + 0x8d2a4c8a,
242:                        20)
243:                        + C;
244:            }
245:
246:            void round3(int blk) {
247:                A = rotintlft(A + H(B, C, D) + d[5 + 16 * blk] + 0xfffa3942, 4)
248:                        + B;
249:                D = rotintlft(D + H(A, B, C) + d[8 + 16 * blk] + 0x8771f681, 11)
250:                        + A;
251:                C = rotintlft(C + H(D, A, B) + d[11 + 16 * blk] + 0x6d9d6122,
252:                        16)
253:                        + D;
254:                B = rotintlft(B + H(C, D, A) + d[14 + 16 * blk] + 0xfde5380c,
255:                        23)
256:                        + C;
257:                A = rotintlft(A + H(B, C, D) + d[1 + 16 * blk] + 0xa4beea44, 4)
258:                        + B;
259:                D = rotintlft(D + H(A, B, C) + d[4 + 16 * blk] + 0x4bdecfa9, 11)
260:                        + A;
261:                C = rotintlft(C + H(D, A, B) + d[7 + 16 * blk] + 0xf6bb4b60, 16)
262:                        + D;
263:                B = rotintlft(B + H(C, D, A) + d[10 + 16 * blk] + 0xbebfbc70,
264:                        23)
265:                        + C;
266:                A = rotintlft(A + H(B, C, D) + d[13 + 16 * blk] + 0x289b7ec6, 4)
267:                        + B;
268:                D = rotintlft(D + H(A, B, C) + d[0 + 16 * blk] + 0xeaa127fa, 11)
269:                        + A;
270:                C = rotintlft(C + H(D, A, B) + d[3 + 16 * blk] + 0xd4ef3085, 16)
271:                        + D;
272:                B = rotintlft(B + H(C, D, A) + d[6 + 16 * blk] + 0x04881d05, 23)
273:                        + C;
274:                A = rotintlft(A + H(B, C, D) + d[9 + 16 * blk] + 0xd9d4d039, 4)
275:                        + B;
276:                D = rotintlft(D + H(A, B, C) + d[12 + 16 * blk] + 0xe6db99e5,
277:                        11)
278:                        + A;
279:                C = rotintlft(C + H(D, A, B) + d[15 + 16 * blk] + 0x1fa27cf8,
280:                        16)
281:                        + D;
282:                B = rotintlft(B + H(C, D, A) + d[2 + 16 * blk] + 0xc4ac5665, 23)
283:                        + C;
284:            }
285:
286:            void round4(int blk) {
287:                A = rotintlft(A + I(B, C, D) + d[0 + 16 * blk] + 0xf4292244, 6)
288:                        + B;
289:                D = rotintlft(D + I(A, B, C) + d[7 + 16 * blk] + 0x432aff97, 10)
290:                        + A;
291:                C = rotintlft(C + I(D, A, B) + d[14 + 16 * blk] + 0xab9423a7,
292:                        15)
293:                        + D;
294:                B = rotintlft(B + I(C, D, A) + d[5 + 16 * blk] + 0xfc93a039, 21)
295:                        + C;
296:                A = rotintlft(A + I(B, C, D) + d[12 + 16 * blk] + 0x655b59c3, 6)
297:                        + B;
298:                D = rotintlft(D + I(A, B, C) + d[3 + 16 * blk] + 0x8f0ccc92, 10)
299:                        + A;
300:                C = rotintlft(C + I(D, A, B) + d[10 + 16 * blk] + 0xffeff47d,
301:                        15)
302:                        + D;
303:                B = rotintlft(B + I(C, D, A) + d[1 + 16 * blk] + 0x85845dd1, 21)
304:                        + C;
305:                A = rotintlft(A + I(B, C, D) + d[8 + 16 * blk] + 0x6fa87e4f, 6)
306:                        + B;
307:                D = rotintlft(D + I(A, B, C) + d[15 + 16 * blk] + 0xfe2ce6e0,
308:                        10)
309:                        + A;
310:                C = rotintlft(C + I(D, A, B) + d[6 + 16 * blk] + 0xa3014314, 15)
311:                        + D;
312:                B = rotintlft(B + I(C, D, A) + d[13 + 16 * blk] + 0x4e0811a1,
313:                        21)
314:                        + C;
315:                A = rotintlft(A + I(B, C, D) + d[4 + 16 * blk] + 0xf7537e82, 6)
316:                        + B;
317:                D = rotintlft(D + I(A, B, C) + d[11 + 16 * blk] + 0xbd3af235,
318:                        10)
319:                        + A;
320:                C = rotintlft(C + I(D, A, B) + d[2 + 16 * blk] + 0x2ad7d2bb, 15)
321:                        + D;
322:                B = rotintlft(B + I(C, D, A) + d[9 + 16 * blk] + 0xeb86d391, 21)
323:                        + C;
324:            }
325:        }
326:
327:        class md {
328:            int A, B, C, D;
329:            int d[];
330:            int numwords;
331:
332:            /* For verification of a modicum of sanity, run a few
333:             * test strings through
334:             */
335:            public static void main(String argv[]) {
336:                boolean doinmd4;
337:                String mdtype;
338:                /* Test cases, mostly taken from rfc 1320 */
339:                String str[] = {
340:                        "",
341:                        "a",
342:                        "abc",
343:                        "message digest",
344:                        "abcdefghijklmnopqrstuvwxyz",
345:                        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
346:                        "12345678901234567890123456789012345678901234567890123456789012"
347:                                + "345678901234567890",
348:                        "01234567890123456789012345678901234567890123456789012345" };
349:
350:                if (argv.length == 0) {
351:                    mdtype = "md4";
352:                    doinmd4 = true;
353:                } else if (argv.length > 1) {
354:                    System.err.println("Usage: md [4|5|md4|md5]");
355:                    return;
356:                } else if ((argv[0].equals("4")) || (argv[0].equals("md4"))) {
357:                    mdtype = "md4";
358:                    doinmd4 = true;
359:                } else if ((argv[0].equals("5")) || (argv[0].equals("md5"))) {
360:                    mdtype = "md5";
361:                    doinmd4 = false;
362:                } else {
363:                    System.err.println("Usage: md [4|5|md4|md5]");
364:                    return;
365:                }
366:                for (int i = 0; i < str.length; i++) {
367:                    if (doinmd4) {
368:                        md4 mdc = new md4(str[i]);
369:                        mdc.calc();
370:                        System.out.println(mdtype + "(\"" + str[i] + "\") = "
371:                                + mdc);
372:                    } else {
373:                        md5 mdc = new md5(str[i]);
374:                        mdc.calc();
375:                        System.out.println(mdtype + "(\"" + str[i] + "\") = "
376:                                + mdc);
377:                    }
378:                }
379:            }
380:
381:            md(String s) {
382:                byte in[] = new byte[s.length()];
383:                int i;
384:
385:                for (i = 0; i < s.length(); i++) {
386:                    in[i] = (byte) (s.charAt(i) & 0xff);
387:                }
388:                mdinit(in);
389:            }
390:
391:            md(byte in[]) {
392:                mdinit(in);
393:            }
394:
395:            void mdinit(byte in[]) {
396:                int newlen, endblklen, pad, i;
397:                long datalenbits;
398:
399:                datalenbits = in.length * 8;
400:                endblklen = in.length % 64;
401:                if (endblklen < 56) {
402:                    pad = 64 - endblklen;
403:                } else {
404:                    pad = (64 - endblklen) + 64;
405:                }
406:                newlen = in.length + pad;
407:                byte b[] = new byte[newlen];
408:                for (i = 0; i < in.length; i++) {
409:                    b[i] = in[i];
410:                }
411:                b[in.length] = (byte) 0x80;
412:                for (i = b.length + 1; i < (newlen - 8); i++) {
413:                    b[i] = 0;
414:                }
415:                for (i = 0; i < 8; i++) {
416:                    b[newlen - 8 + i] = (byte) (datalenbits & 0xff);
417:                    datalenbits >>= 8;
418:                }
419:                /* init registers */
420:                A = 0x67452301;
421:                B = 0xefcdab89;
422:                C = 0x98badcfe;
423:                D = 0x10325476;
424:                this .numwords = newlen / 4;
425:                this .d = new int[this .numwords];
426:                for (i = 0; i < newlen; i += 4) {
427:                    this .d[i / 4] = (b[i] & 0xff) + ((b[i + 1] & 0xff) << 8)
428:                            + ((b[i + 2] & 0xff) << 16)
429:                            + ((b[i + 3] & 0xff) << 24);
430:                }
431:            }
432:
433:            public String toString() {
434:                String s;
435:
436:                return (tohex(A) + tohex(B) + tohex(C) + tohex(D));
437:            }
438:
439:            int[] getregs() {
440:                int regs[] = { this .A, this .B, this .C, this .D };
441:
442:                return regs;
443:            }
444:
445:            void calc() {
446:                int AA, BB, CC, DD, i;
447:
448:                for (i = 0; i < numwords / 16; i++) {
449:                    AA = A;
450:                    BB = B;
451:                    CC = C;
452:                    DD = D;
453:                    round1(i);
454:                    round2(i);
455:                    round3(i);
456:                    if (this  instanceof  md5) {
457:                        round4(i);
458:                    }
459:                    A += AA;
460:                    B += BB;
461:                    C += CC;
462:                    D += DD;
463:                }
464:            }
465:
466:            /* Dummy round*() methods. these are overriden in the md4 and md5
467:             * subclasses
468:             */
469:            void round1(int blk) {
470:                System.err
471:                        .println("Danger! Danger! Someone called md.round1()!");
472:            }
473:
474:            void round2(int blk) {
475:                System.err
476:                        .println("Danger! Danger! Someone called md.round2()!");
477:            }
478:
479:            void round3(int blk) {
480:                System.err
481:                        .println("Danger! Danger! Someone called md.round3()!");
482:            }
483:
484:            void round4(int blk) {
485:                System.err
486:                        .println("Danger! Danger! Someone called md.round4()!");
487:            }
488:
489:            static int rotintlft(int val, int numbits) {
490:                return ((val << numbits) | (val >>> (32 - numbits)));
491:            }
492:
493:            static String tohex(int i) {
494:                int b;
495:                String tmpstr;
496:
497:                tmpstr = "";
498:                for (b = 0; b < 4; b++) {
499:                    tmpstr += Integer.toString((i >> 4) & 0xf, 16)
500:                            + Integer.toString(i & 0xf, 16);
501:                    i >>= 8;
502:                }
503:                return tmpstr;
504:            }
505:
506:            static md new_md5(String data) {
507:                return new md5(data);
508:            }
509:
510:        }
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