-
Notifications
You must be signed in to change notification settings - Fork 2
/
sshblowf.c
666 lines (592 loc) · 24 KB
/
sshblowf.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
/*
* Blowfish implementation for PuTTY.
*
* Coded from scratch from the algorithm description.
*/
#include <assert.h>
#include <stdio.h>
#include "ssh.h"
#include "sshblowf.h"
struct BlowfishContext {
word32 S0[256], S1[256], S2[256], S3[256], P[18];
word32 iv0, iv1; /* for CBC mode */
};
/*
* The Blowfish init data: hex digits of the fractional part of pi.
* (ie pi as a hex fraction is 3.243F6A8885A308D3...)
*
* If you have Simon Tatham's 'spigot' exact real calculator
* available, or any other method of generating 8336 fractional hex
* digits of pi on standard output, you can regenerate these tables
* exactly as below using the following Perl script (adjusting the
* first line or two if your pi-generator is not spigot).
open my $spig, "spigot -n -B16 -d8336 pi |";
read $spig, $ignore, 2; # throw away the leading "3."
for my $name ("parray", "sbox0".."sbox3") {
print "static const word32 ${name}[] = {\n";
my $len = $name eq "parray" ? 18 : 256;
for my $i (1..$len) {
read $spig, $word, 8;
printf "%s0x%s,", ($i%6==1 ? " " : " "), uc $word;
print "\n" if ($i == $len || $i%6 == 0);
}
print "};\n\n";
}
close $spig;
*/
static const word32 parray[] = {
0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0,
0x082EFA98, 0xEC4E6C89, 0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C,
0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917, 0x9216D5D9, 0x8979FB1B,
};
static const word32 sbox0[] = {
0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7, 0xB8E1AFED, 0x6A267E96,
0xBA7C9045, 0xF12C7F99, 0x24A19947, 0xB3916CF7, 0x0801F2E2, 0x858EFC16,
0x636920D8, 0x71574E69, 0xA458FEA3, 0xF4933D7E, 0x0D95748F, 0x728EB658,
0x718BCD58, 0x82154AEE, 0x7B54A41D, 0xC25A59B5, 0x9C30D539, 0x2AF26013,
0xC5D1B023, 0x286085F0, 0xCA417918, 0xB8DB38EF, 0x8E79DCB0, 0x603A180E,
0x6C9E0E8B, 0xB01E8A3E, 0xD71577C1, 0xBD314B27, 0x78AF2FDA, 0x55605C60,
0xE65525F3, 0xAA55AB94, 0x57489862, 0x63E81440, 0x55CA396A, 0x2AAB10B6,
0xB4CC5C34, 0x1141E8CE, 0xA15486AF, 0x7C72E993, 0xB3EE1411, 0x636FBC2A,
0x2BA9C55D, 0x741831F6, 0xCE5C3E16, 0x9B87931E, 0xAFD6BA33, 0x6C24CF5C,
0x7A325381, 0x28958677, 0x3B8F4898, 0x6B4BB9AF, 0xC4BFE81B, 0x66282193,
0x61D809CC, 0xFB21A991, 0x487CAC60, 0x5DEC8032, 0xEF845D5D, 0xE98575B1,
0xDC262302, 0xEB651B88, 0x23893E81, 0xD396ACC5, 0x0F6D6FF3, 0x83F44239,
0x2E0B4482, 0xA4842004, 0x69C8F04A, 0x9E1F9B5E, 0x21C66842, 0xF6E96C9A,
0x670C9C61, 0xABD388F0, 0x6A51A0D2, 0xD8542F68, 0x960FA728, 0xAB5133A3,
0x6EEF0B6C, 0x137A3BE4, 0xBA3BF050, 0x7EFB2A98, 0xA1F1651D, 0x39AF0176,
0x66CA593E, 0x82430E88, 0x8CEE8619, 0x456F9FB4, 0x7D84A5C3, 0x3B8B5EBE,
0xE06F75D8, 0x85C12073, 0x401A449F, 0x56C16AA6, 0x4ED3AA62, 0x363F7706,
0x1BFEDF72, 0x429B023D, 0x37D0D724, 0xD00A1248, 0xDB0FEAD3, 0x49F1C09B,
0x075372C9, 0x80991B7B, 0x25D479D8, 0xF6E8DEF7, 0xE3FE501A, 0xB6794C3B,
0x976CE0BD, 0x04C006BA, 0xC1A94FB6, 0x409F60C4, 0x5E5C9EC2, 0x196A2463,
0x68FB6FAF, 0x3E6C53B5, 0x1339B2EB, 0x3B52EC6F, 0x6DFC511F, 0x9B30952C,
0xCC814544, 0xAF5EBD09, 0xBEE3D004, 0xDE334AFD, 0x660F2807, 0x192E4BB3,
0xC0CBA857, 0x45C8740F, 0xD20B5F39, 0xB9D3FBDB, 0x5579C0BD, 0x1A60320A,
0xD6A100C6, 0x402C7279, 0x679F25FE, 0xFB1FA3CC, 0x8EA5E9F8, 0xDB3222F8,
0x3C7516DF, 0xFD616B15, 0x2F501EC8, 0xAD0552AB, 0x323DB5FA, 0xFD238760,
0x53317B48, 0x3E00DF82, 0x9E5C57BB, 0xCA6F8CA0, 0x1A87562E, 0xDF1769DB,
0xD542A8F6, 0x287EFFC3, 0xAC6732C6, 0x8C4F5573, 0x695B27B0, 0xBBCA58C8,
0xE1FFA35D, 0xB8F011A0, 0x10FA3D98, 0xFD2183B8, 0x4AFCB56C, 0x2DD1D35B,
0x9A53E479, 0xB6F84565, 0xD28E49BC, 0x4BFB9790, 0xE1DDF2DA, 0xA4CB7E33,
0x62FB1341, 0xCEE4C6E8, 0xEF20CADA, 0x36774C01, 0xD07E9EFE, 0x2BF11FB4,
0x95DBDA4D, 0xAE909198, 0xEAAD8E71, 0x6B93D5A0, 0xD08ED1D0, 0xAFC725E0,
0x8E3C5B2F, 0x8E7594B7, 0x8FF6E2FB, 0xF2122B64, 0x8888B812, 0x900DF01C,
0x4FAD5EA0, 0x688FC31C, 0xD1CFF191, 0xB3A8C1AD, 0x2F2F2218, 0xBE0E1777,
0xEA752DFE, 0x8B021FA1, 0xE5A0CC0F, 0xB56F74E8, 0x18ACF3D6, 0xCE89E299,
0xB4A84FE0, 0xFD13E0B7, 0x7CC43B81, 0xD2ADA8D9, 0x165FA266, 0x80957705,
0x93CC7314, 0x211A1477, 0xE6AD2065, 0x77B5FA86, 0xC75442F5, 0xFB9D35CF,
0xEBCDAF0C, 0x7B3E89A0, 0xD6411BD3, 0xAE1E7E49, 0x00250E2D, 0x2071B35E,
0x226800BB, 0x57B8E0AF, 0x2464369B, 0xF009B91E, 0x5563911D, 0x59DFA6AA,
0x78C14389, 0xD95A537F, 0x207D5BA2, 0x02E5B9C5, 0x83260376, 0x6295CFA9,
0x11C81968, 0x4E734A41, 0xB3472DCA, 0x7B14A94A, 0x1B510052, 0x9A532915,
0xD60F573F, 0xBC9BC6E4, 0x2B60A476, 0x81E67400, 0x08BA6FB5, 0x571BE91F,
0xF296EC6B, 0x2A0DD915, 0xB6636521, 0xE7B9F9B6, 0xFF34052E, 0xC5855664,
0x53B02D5D, 0xA99F8FA1, 0x08BA4799, 0x6E85076A,
};
static const word32 sbox1[] = {
0x4B7A70E9, 0xB5B32944, 0xDB75092E, 0xC4192623, 0xAD6EA6B0, 0x49A7DF7D,
0x9CEE60B8, 0x8FEDB266, 0xECAA8C71, 0x699A17FF, 0x5664526C, 0xC2B19EE1,
0x193602A5, 0x75094C29, 0xA0591340, 0xE4183A3E, 0x3F54989A, 0x5B429D65,
0x6B8FE4D6, 0x99F73FD6, 0xA1D29C07, 0xEFE830F5, 0x4D2D38E6, 0xF0255DC1,
0x4CDD2086, 0x8470EB26, 0x6382E9C6, 0x021ECC5E, 0x09686B3F, 0x3EBAEFC9,
0x3C971814, 0x6B6A70A1, 0x687F3584, 0x52A0E286, 0xB79C5305, 0xAA500737,
0x3E07841C, 0x7FDEAE5C, 0x8E7D44EC, 0x5716F2B8, 0xB03ADA37, 0xF0500C0D,
0xF01C1F04, 0x0200B3FF, 0xAE0CF51A, 0x3CB574B2, 0x25837A58, 0xDC0921BD,
0xD19113F9, 0x7CA92FF6, 0x94324773, 0x22F54701, 0x3AE5E581, 0x37C2DADC,
0xC8B57634, 0x9AF3DDA7, 0xA9446146, 0x0FD0030E, 0xECC8C73E, 0xA4751E41,
0xE238CD99, 0x3BEA0E2F, 0x3280BBA1, 0x183EB331, 0x4E548B38, 0x4F6DB908,
0x6F420D03, 0xF60A04BF, 0x2CB81290, 0x24977C79, 0x5679B072, 0xBCAF89AF,
0xDE9A771F, 0xD9930810, 0xB38BAE12, 0xDCCF3F2E, 0x5512721F, 0x2E6B7124,
0x501ADDE6, 0x9F84CD87, 0x7A584718, 0x7408DA17, 0xBC9F9ABC, 0xE94B7D8C,
0xEC7AEC3A, 0xDB851DFA, 0x63094366, 0xC464C3D2, 0xEF1C1847, 0x3215D908,
0xDD433B37, 0x24C2BA16, 0x12A14D43, 0x2A65C451, 0x50940002, 0x133AE4DD,
0x71DFF89E, 0x10314E55, 0x81AC77D6, 0x5F11199B, 0x043556F1, 0xD7A3C76B,
0x3C11183B, 0x5924A509, 0xF28FE6ED, 0x97F1FBFA, 0x9EBABF2C, 0x1E153C6E,
0x86E34570, 0xEAE96FB1, 0x860E5E0A, 0x5A3E2AB3, 0x771FE71C, 0x4E3D06FA,
0x2965DCB9, 0x99E71D0F, 0x803E89D6, 0x5266C825, 0x2E4CC978, 0x9C10B36A,
0xC6150EBA, 0x94E2EA78, 0xA5FC3C53, 0x1E0A2DF4, 0xF2F74EA7, 0x361D2B3D,
0x1939260F, 0x19C27960, 0x5223A708, 0xF71312B6, 0xEBADFE6E, 0xEAC31F66,
0xE3BC4595, 0xA67BC883, 0xB17F37D1, 0x018CFF28, 0xC332DDEF, 0xBE6C5AA5,
0x65582185, 0x68AB9802, 0xEECEA50F, 0xDB2F953B, 0x2AEF7DAD, 0x5B6E2F84,
0x1521B628, 0x29076170, 0xECDD4775, 0x619F1510, 0x13CCA830, 0xEB61BD96,
0x0334FE1E, 0xAA0363CF, 0xB5735C90, 0x4C70A239, 0xD59E9E0B, 0xCBAADE14,
0xEECC86BC, 0x60622CA7, 0x9CAB5CAB, 0xB2F3846E, 0x648B1EAF, 0x19BDF0CA,
0xA02369B9, 0x655ABB50, 0x40685A32, 0x3C2AB4B3, 0x319EE9D5, 0xC021B8F7,
0x9B540B19, 0x875FA099, 0x95F7997E, 0x623D7DA8, 0xF837889A, 0x97E32D77,
0x11ED935F, 0x16681281, 0x0E358829, 0xC7E61FD6, 0x96DEDFA1, 0x7858BA99,
0x57F584A5, 0x1B227263, 0x9B83C3FF, 0x1AC24696, 0xCDB30AEB, 0x532E3054,
0x8FD948E4, 0x6DBC3128, 0x58EBF2EF, 0x34C6FFEA, 0xFE28ED61, 0xEE7C3C73,
0x5D4A14D9, 0xE864B7E3, 0x42105D14, 0x203E13E0, 0x45EEE2B6, 0xA3AAABEA,
0xDB6C4F15, 0xFACB4FD0, 0xC742F442, 0xEF6ABBB5, 0x654F3B1D, 0x41CD2105,
0xD81E799E, 0x86854DC7, 0xE44B476A, 0x3D816250, 0xCF62A1F2, 0x5B8D2646,
0xFC8883A0, 0xC1C7B6A3, 0x7F1524C3, 0x69CB7492, 0x47848A0B, 0x5692B285,
0x095BBF00, 0xAD19489D, 0x1462B174, 0x23820E00, 0x58428D2A, 0x0C55F5EA,
0x1DADF43E, 0x233F7061, 0x3372F092, 0x8D937E41, 0xD65FECF1, 0x6C223BDB,
0x7CDE3759, 0xCBEE7460, 0x4085F2A7, 0xCE77326E, 0xA6078084, 0x19F8509E,
0xE8EFD855, 0x61D99735, 0xA969A7AA, 0xC50C06C2, 0x5A04ABFC, 0x800BCADC,
0x9E447A2E, 0xC3453484, 0xFDD56705, 0x0E1E9EC9, 0xDB73DBD3, 0x105588CD,
0x675FDA79, 0xE3674340, 0xC5C43465, 0x713E38D8, 0x3D28F89E, 0xF16DFF20,
0x153E21E7, 0x8FB03D4A, 0xE6E39F2B, 0xDB83ADF7,
};
static const word32 sbox2[] = {
0xE93D5A68, 0x948140F7, 0xF64C261C, 0x94692934, 0x411520F7, 0x7602D4F7,
0xBCF46B2E, 0xD4A20068, 0xD4082471, 0x3320F46A, 0x43B7D4B7, 0x500061AF,
0x1E39F62E, 0x97244546, 0x14214F74, 0xBF8B8840, 0x4D95FC1D, 0x96B591AF,
0x70F4DDD3, 0x66A02F45, 0xBFBC09EC, 0x03BD9785, 0x7FAC6DD0, 0x31CB8504,
0x96EB27B3, 0x55FD3941, 0xDA2547E6, 0xABCA0A9A, 0x28507825, 0x530429F4,
0x0A2C86DA, 0xE9B66DFB, 0x68DC1462, 0xD7486900, 0x680EC0A4, 0x27A18DEE,
0x4F3FFEA2, 0xE887AD8C, 0xB58CE006, 0x7AF4D6B6, 0xAACE1E7C, 0xD3375FEC,
0xCE78A399, 0x406B2A42, 0x20FE9E35, 0xD9F385B9, 0xEE39D7AB, 0x3B124E8B,
0x1DC9FAF7, 0x4B6D1856, 0x26A36631, 0xEAE397B2, 0x3A6EFA74, 0xDD5B4332,
0x6841E7F7, 0xCA7820FB, 0xFB0AF54E, 0xD8FEB397, 0x454056AC, 0xBA489527,
0x55533A3A, 0x20838D87, 0xFE6BA9B7, 0xD096954B, 0x55A867BC, 0xA1159A58,
0xCCA92963, 0x99E1DB33, 0xA62A4A56, 0x3F3125F9, 0x5EF47E1C, 0x9029317C,
0xFDF8E802, 0x04272F70, 0x80BB155C, 0x05282CE3, 0x95C11548, 0xE4C66D22,
0x48C1133F, 0xC70F86DC, 0x07F9C9EE, 0x41041F0F, 0x404779A4, 0x5D886E17,
0x325F51EB, 0xD59BC0D1, 0xF2BCC18F, 0x41113564, 0x257B7834, 0x602A9C60,
0xDFF8E8A3, 0x1F636C1B, 0x0E12B4C2, 0x02E1329E, 0xAF664FD1, 0xCAD18115,
0x6B2395E0, 0x333E92E1, 0x3B240B62, 0xEEBEB922, 0x85B2A20E, 0xE6BA0D99,
0xDE720C8C, 0x2DA2F728, 0xD0127845, 0x95B794FD, 0x647D0862, 0xE7CCF5F0,
0x5449A36F, 0x877D48FA, 0xC39DFD27, 0xF33E8D1E, 0x0A476341, 0x992EFF74,
0x3A6F6EAB, 0xF4F8FD37, 0xA812DC60, 0xA1EBDDF8, 0x991BE14C, 0xDB6E6B0D,
0xC67B5510, 0x6D672C37, 0x2765D43B, 0xDCD0E804, 0xF1290DC7, 0xCC00FFA3,
0xB5390F92, 0x690FED0B, 0x667B9FFB, 0xCEDB7D9C, 0xA091CF0B, 0xD9155EA3,
0xBB132F88, 0x515BAD24, 0x7B9479BF, 0x763BD6EB, 0x37392EB3, 0xCC115979,
0x8026E297, 0xF42E312D, 0x6842ADA7, 0xC66A2B3B, 0x12754CCC, 0x782EF11C,
0x6A124237, 0xB79251E7, 0x06A1BBE6, 0x4BFB6350, 0x1A6B1018, 0x11CAEDFA,
0x3D25BDD8, 0xE2E1C3C9, 0x44421659, 0x0A121386, 0xD90CEC6E, 0xD5ABEA2A,
0x64AF674E, 0xDA86A85F, 0xBEBFE988, 0x64E4C3FE, 0x9DBC8057, 0xF0F7C086,
0x60787BF8, 0x6003604D, 0xD1FD8346, 0xF6381FB0, 0x7745AE04, 0xD736FCCC,
0x83426B33, 0xF01EAB71, 0xB0804187, 0x3C005E5F, 0x77A057BE, 0xBDE8AE24,
0x55464299, 0xBF582E61, 0x4E58F48F, 0xF2DDFDA2, 0xF474EF38, 0x8789BDC2,
0x5366F9C3, 0xC8B38E74, 0xB475F255, 0x46FCD9B9, 0x7AEB2661, 0x8B1DDF84,
0x846A0E79, 0x915F95E2, 0x466E598E, 0x20B45770, 0x8CD55591, 0xC902DE4C,
0xB90BACE1, 0xBB8205D0, 0x11A86248, 0x7574A99E, 0xB77F19B6, 0xE0A9DC09,
0x662D09A1, 0xC4324633, 0xE85A1F02, 0x09F0BE8C, 0x4A99A025, 0x1D6EFE10,
0x1AB93D1D, 0x0BA5A4DF, 0xA186F20F, 0x2868F169, 0xDCB7DA83, 0x573906FE,
0xA1E2CE9B, 0x4FCD7F52, 0x50115E01, 0xA70683FA, 0xA002B5C4, 0x0DE6D027,
0x9AF88C27, 0x773F8641, 0xC3604C06, 0x61A806B5, 0xF0177A28, 0xC0F586E0,
0x006058AA, 0x30DC7D62, 0x11E69ED7, 0x2338EA63, 0x53C2DD94, 0xC2C21634,
0xBBCBEE56, 0x90BCB6DE, 0xEBFC7DA1, 0xCE591D76, 0x6F05E409, 0x4B7C0188,
0x39720A3D, 0x7C927C24, 0x86E3725F, 0x724D9DB9, 0x1AC15BB4, 0xD39EB8FC,
0xED545578, 0x08FCA5B5, 0xD83D7CD3, 0x4DAD0FC4, 0x1E50EF5E, 0xB161E6F8,
0xA28514D9, 0x6C51133C, 0x6FD5C7E7, 0x56E14EC4, 0x362ABFCE, 0xDDC6C837,
0xD79A3234, 0x92638212, 0x670EFA8E, 0x406000E0,
};
static const word32 sbox3[] = {
0x3A39CE37, 0xD3FAF5CF, 0xABC27737, 0x5AC52D1B, 0x5CB0679E, 0x4FA33742,
0xD3822740, 0x99BC9BBE, 0xD5118E9D, 0xBF0F7315, 0xD62D1C7E, 0xC700C47B,
0xB78C1B6B, 0x21A19045, 0xB26EB1BE, 0x6A366EB4, 0x5748AB2F, 0xBC946E79,
0xC6A376D2, 0x6549C2C8, 0x530FF8EE, 0x468DDE7D, 0xD5730A1D, 0x4CD04DC6,
0x2939BBDB, 0xA9BA4650, 0xAC9526E8, 0xBE5EE304, 0xA1FAD5F0, 0x6A2D519A,
0x63EF8CE2, 0x9A86EE22, 0xC089C2B8, 0x43242EF6, 0xA51E03AA, 0x9CF2D0A4,
0x83C061BA, 0x9BE96A4D, 0x8FE51550, 0xBA645BD6, 0x2826A2F9, 0xA73A3AE1,
0x4BA99586, 0xEF5562E9, 0xC72FEFD3, 0xF752F7DA, 0x3F046F69, 0x77FA0A59,
0x80E4A915, 0x87B08601, 0x9B09E6AD, 0x3B3EE593, 0xE990FD5A, 0x9E34D797,
0x2CF0B7D9, 0x022B8B51, 0x96D5AC3A, 0x017DA67D, 0xD1CF3ED6, 0x7C7D2D28,
0x1F9F25CF, 0xADF2B89B, 0x5AD6B472, 0x5A88F54C, 0xE029AC71, 0xE019A5E6,
0x47B0ACFD, 0xED93FA9B, 0xE8D3C48D, 0x283B57CC, 0xF8D56629, 0x79132E28,
0x785F0191, 0xED756055, 0xF7960E44, 0xE3D35E8C, 0x15056DD4, 0x88F46DBA,
0x03A16125, 0x0564F0BD, 0xC3EB9E15, 0x3C9057A2, 0x97271AEC, 0xA93A072A,
0x1B3F6D9B, 0x1E6321F5, 0xF59C66FB, 0x26DCF319, 0x7533D928, 0xB155FDF5,
0x03563482, 0x8ABA3CBB, 0x28517711, 0xC20AD9F8, 0xABCC5167, 0xCCAD925F,
0x4DE81751, 0x3830DC8E, 0x379D5862, 0x9320F991, 0xEA7A90C2, 0xFB3E7BCE,
0x5121CE64, 0x774FBE32, 0xA8B6E37E, 0xC3293D46, 0x48DE5369, 0x6413E680,
0xA2AE0810, 0xDD6DB224, 0x69852DFD, 0x09072166, 0xB39A460A, 0x6445C0DD,
0x586CDECF, 0x1C20C8AE, 0x5BBEF7DD, 0x1B588D40, 0xCCD2017F, 0x6BB4E3BB,
0xDDA26A7E, 0x3A59FF45, 0x3E350A44, 0xBCB4CDD5, 0x72EACEA8, 0xFA6484BB,
0x8D6612AE, 0xBF3C6F47, 0xD29BE463, 0x542F5D9E, 0xAEC2771B, 0xF64E6370,
0x740E0D8D, 0xE75B1357, 0xF8721671, 0xAF537D5D, 0x4040CB08, 0x4EB4E2CC,
0x34D2466A, 0x0115AF84, 0xE1B00428, 0x95983A1D, 0x06B89FB4, 0xCE6EA048,
0x6F3F3B82, 0x3520AB82, 0x011A1D4B, 0x277227F8, 0x611560B1, 0xE7933FDC,
0xBB3A792B, 0x344525BD, 0xA08839E1, 0x51CE794B, 0x2F32C9B7, 0xA01FBAC9,
0xE01CC87E, 0xBCC7D1F6, 0xCF0111C3, 0xA1E8AAC7, 0x1A908749, 0xD44FBD9A,
0xD0DADECB, 0xD50ADA38, 0x0339C32A, 0xC6913667, 0x8DF9317C, 0xE0B12B4F,
0xF79E59B7, 0x43F5BB3A, 0xF2D519FF, 0x27D9459C, 0xBF97222C, 0x15E6FC2A,
0x0F91FC71, 0x9B941525, 0xFAE59361, 0xCEB69CEB, 0xC2A86459, 0x12BAA8D1,
0xB6C1075E, 0xE3056A0C, 0x10D25065, 0xCB03A442, 0xE0EC6E0E, 0x1698DB3B,
0x4C98A0BE, 0x3278E964, 0x9F1F9532, 0xE0D392DF, 0xD3A0342B, 0x8971F21E,
0x1B0A7441, 0x4BA3348C, 0xC5BE7120, 0xC37632D8, 0xDF359F8D, 0x9B992F2E,
0xE60B6F47, 0x0FE3F11D, 0xE54CDA54, 0x1EDAD891, 0xCE6279CF, 0xCD3E7E6F,
0x1618B166, 0xFD2C1D05, 0x848FD2C5, 0xF6FB2299, 0xF523F357, 0xA6327623,
0x93A83531, 0x56CCCD02, 0xACF08162, 0x5A75EBB5, 0x6E163697, 0x88D273CC,
0xDE966292, 0x81B949D0, 0x4C50901B, 0x71C65614, 0xE6C6C7BD, 0x327A140A,
0x45E1D006, 0xC3F27B9A, 0xC9AA53FD, 0x62A80F00, 0xBB25BFE2, 0x35BDD2F6,
0x71126905, 0xB2040222, 0xB6CBCF7C, 0xCD769C2B, 0x53113EC0, 0x1640E3D3,
0x38ABBD60, 0x2547ADF0, 0xBA38209C, 0xF746CE76, 0x77AFA1C5, 0x20756060,
0x85CBFE4E, 0x8AE88DD8, 0x7AAAF9B0, 0x4CF9AA7E, 0x1948C25C, 0x02FB8A8C,
0x01C36AE4, 0xD6EBE1F9, 0x90D4F869, 0xA65CDEA0, 0x3F09252D, 0xC208E69F,
0xB74E6132, 0xCE77E25B, 0x578FDFE3, 0x3AC372E6,
};
#define Fprime(a,b,c,d) ( ( (S0[a] + S1[b]) ^ S2[c] ) + S3[d] )
#define F(x) Fprime( ((x>>24)&0xFF), ((x>>16)&0xFF), ((x>>8)&0xFF), (x&0xFF) )
#define ROUND(n) ( xL ^= P[n], t = xL, xL = F(xL) ^ xR, xR = t )
static void blowfish_encrypt(word32 xL, word32 xR, word32 * output,
BlowfishContext * ctx)
{
word32 *S0 = ctx->S0;
word32 *S1 = ctx->S1;
word32 *S2 = ctx->S2;
word32 *S3 = ctx->S3;
word32 *P = ctx->P;
word32 t;
ROUND(0);
ROUND(1);
ROUND(2);
ROUND(3);
ROUND(4);
ROUND(5);
ROUND(6);
ROUND(7);
ROUND(8);
ROUND(9);
ROUND(10);
ROUND(11);
ROUND(12);
ROUND(13);
ROUND(14);
ROUND(15);
xL ^= P[16];
xR ^= P[17];
output[0] = xR;
output[1] = xL;
}
static void blowfish_decrypt(word32 xL, word32 xR, word32 * output,
BlowfishContext * ctx)
{
word32 *S0 = ctx->S0;
word32 *S1 = ctx->S1;
word32 *S2 = ctx->S2;
word32 *S3 = ctx->S3;
word32 *P = ctx->P;
word32 t;
ROUND(17);
ROUND(16);
ROUND(15);
ROUND(14);
ROUND(13);
ROUND(12);
ROUND(11);
ROUND(10);
ROUND(9);
ROUND(8);
ROUND(7);
ROUND(6);
ROUND(5);
ROUND(4);
ROUND(3);
ROUND(2);
xL ^= P[1];
xR ^= P[0];
output[0] = xR;
output[1] = xL;
}
static void blowfish_lsb_encrypt_cbc(unsigned char *blk, int len,
BlowfishContext * ctx)
{
word32 xL, xR, out[2], iv0, iv1;
assert((len & 7) == 0);
iv0 = ctx->iv0;
iv1 = ctx->iv1;
while (len > 0) {
xL = GET_32BIT_LSB_FIRST(blk);
xR = GET_32BIT_LSB_FIRST(blk + 4);
iv0 ^= xL;
iv1 ^= xR;
blowfish_encrypt(iv0, iv1, out, ctx);
iv0 = out[0];
iv1 = out[1];
PUT_32BIT_LSB_FIRST(blk, iv0);
PUT_32BIT_LSB_FIRST(blk + 4, iv1);
blk += 8;
len -= 8;
}
ctx->iv0 = iv0;
ctx->iv1 = iv1;
}
void blowfish_lsb_encrypt_ecb(unsigned char *blk, int len,
BlowfishContext * ctx)
{
word32 xL, xR, out[2];
assert((len & 7) == 0);
while (len > 0) {
xL = GET_32BIT_LSB_FIRST(blk);
xR = GET_32BIT_LSB_FIRST(blk + 4);
blowfish_encrypt(xL, xR, out, ctx);
PUT_32BIT_LSB_FIRST(blk, out[0]);
PUT_32BIT_LSB_FIRST(blk + 4, out[1]);
blk += 8;
len -= 8;
}
}
static void blowfish_lsb_decrypt_cbc(unsigned char *blk, int len,
BlowfishContext * ctx)
{
word32 xL, xR, out[2], iv0, iv1;
assert((len & 7) == 0);
iv0 = ctx->iv0;
iv1 = ctx->iv1;
while (len > 0) {
xL = GET_32BIT_LSB_FIRST(blk);
xR = GET_32BIT_LSB_FIRST(blk + 4);
blowfish_decrypt(xL, xR, out, ctx);
iv0 ^= out[0];
iv1 ^= out[1];
PUT_32BIT_LSB_FIRST(blk, iv0);
PUT_32BIT_LSB_FIRST(blk + 4, iv1);
iv0 = xL;
iv1 = xR;
blk += 8;
len -= 8;
}
ctx->iv0 = iv0;
ctx->iv1 = iv1;
}
static void blowfish_msb_encrypt_cbc(unsigned char *blk, int len,
BlowfishContext * ctx)
{
word32 xL, xR, out[2], iv0, iv1;
assert((len & 7) == 0);
iv0 = ctx->iv0;
iv1 = ctx->iv1;
while (len > 0) {
xL = GET_32BIT_MSB_FIRST(blk);
xR = GET_32BIT_MSB_FIRST(blk + 4);
iv0 ^= xL;
iv1 ^= xR;
blowfish_encrypt(iv0, iv1, out, ctx);
iv0 = out[0];
iv1 = out[1];
PUT_32BIT_MSB_FIRST(blk, iv0);
PUT_32BIT_MSB_FIRST(blk + 4, iv1);
blk += 8;
len -= 8;
}
ctx->iv0 = iv0;
ctx->iv1 = iv1;
}
static void blowfish_msb_decrypt_cbc(unsigned char *blk, int len,
BlowfishContext * ctx)
{
word32 xL, xR, out[2], iv0, iv1;
assert((len & 7) == 0);
iv0 = ctx->iv0;
iv1 = ctx->iv1;
while (len > 0) {
xL = GET_32BIT_MSB_FIRST(blk);
xR = GET_32BIT_MSB_FIRST(blk + 4);
blowfish_decrypt(xL, xR, out, ctx);
iv0 ^= out[0];
iv1 ^= out[1];
PUT_32BIT_MSB_FIRST(blk, iv0);
PUT_32BIT_MSB_FIRST(blk + 4, iv1);
iv0 = xL;
iv1 = xR;
blk += 8;
len -= 8;
}
ctx->iv0 = iv0;
ctx->iv1 = iv1;
}
static void blowfish_msb_sdctr(unsigned char *blk, int len,
BlowfishContext * ctx)
{
word32 b[2], iv0, iv1, tmp;
assert((len & 7) == 0);
iv0 = ctx->iv0;
iv1 = ctx->iv1;
while (len > 0) {
blowfish_encrypt(iv0, iv1, b, ctx);
tmp = GET_32BIT_MSB_FIRST(blk);
PUT_32BIT_MSB_FIRST(blk, tmp ^ b[0]);
tmp = GET_32BIT_MSB_FIRST(blk + 4);
PUT_32BIT_MSB_FIRST(blk + 4, tmp ^ b[1]);
if ((iv1 = (iv1 + 1) & 0xffffffff) == 0)
iv0 = (iv0 + 1) & 0xffffffff;
blk += 8;
len -= 8;
}
ctx->iv0 = iv0;
ctx->iv1 = iv1;
}
void blowfish_initkey(BlowfishContext *ctx)
{
int i;
for (i = 0; i < 18; i++) {
ctx->P[i] = parray[i];
}
for (i = 0; i < 256; i++) {
ctx->S0[i] = sbox0[i];
ctx->S1[i] = sbox1[i];
ctx->S2[i] = sbox2[i];
ctx->S3[i] = sbox3[i];
}
}
void blowfish_expandkey(BlowfishContext * ctx,
const unsigned char *key, short keybytes,
const unsigned char *salt, short saltbytes)
{
word32 *S0 = ctx->S0;
word32 *S1 = ctx->S1;
word32 *S2 = ctx->S2;
word32 *S3 = ctx->S3;
word32 *P = ctx->P;
word32 str[2];
int i, j;
int saltpos;
unsigned char dummysalt[1];
saltpos = 0;
if (!salt) {
saltbytes = 1;
salt = dummysalt;
dummysalt[0] = 0;
}
for (i = 0; i < 18; i++) {
P[i] ^=
((word32) (unsigned char) (key[(i * 4 + 0) % keybytes])) << 24;
P[i] ^=
((word32) (unsigned char) (key[(i * 4 + 1) % keybytes])) << 16;
P[i] ^=
((word32) (unsigned char) (key[(i * 4 + 2) % keybytes])) << 8;
P[i] ^= ((word32) (unsigned char) (key[(i * 4 + 3) % keybytes]));
}
str[0] = str[1] = 0;
for (i = 0; i < 18; i += 2) {
for (j = 0; j < 8; j++)
str[j/4] ^= ((word32)salt[saltpos++ % saltbytes]) << (24-8*(j%4));
blowfish_encrypt(str[0], str[1], str, ctx);
P[i] = str[0];
P[i + 1] = str[1];
}
for (i = 0; i < 256; i += 2) {
for (j = 0; j < 8; j++)
str[j/4] ^= ((word32)salt[saltpos++ % saltbytes]) << (24-8*(j%4));
blowfish_encrypt(str[0], str[1], str, ctx);
S0[i] = str[0];
S0[i + 1] = str[1];
}
for (i = 0; i < 256; i += 2) {
for (j = 0; j < 8; j++)
str[j/4] ^= ((word32)salt[saltpos++ % saltbytes]) << (24-8*(j%4));
blowfish_encrypt(str[0], str[1], str, ctx);
S1[i] = str[0];
S1[i + 1] = str[1];
}
for (i = 0; i < 256; i += 2) {
for (j = 0; j < 8; j++)
str[j/4] ^= ((word32)salt[saltpos++ % saltbytes]) << (24-8*(j%4));
blowfish_encrypt(str[0], str[1], str, ctx);
S2[i] = str[0];
S2[i + 1] = str[1];
}
for (i = 0; i < 256; i += 2) {
for (j = 0; j < 8; j++)
str[j/4] ^= ((word32)salt[saltpos++ % saltbytes]) << (24-8*(j%4));
blowfish_encrypt(str[0], str[1], str, ctx);
S3[i] = str[0];
S3[i + 1] = str[1];
}
}
static void blowfish_setkey(BlowfishContext *ctx,
const unsigned char *key, short keybytes)
{
blowfish_initkey(ctx);
blowfish_expandkey(ctx, key, keybytes, NULL, 0);
}
/* -- Interface with PuTTY -- */
#define SSH_SESSION_KEY_LENGTH 32
void *blowfish_make_context(void)
{
return snew(BlowfishContext);
}
static void *blowfish_ssh1_make_context(void)
{
/* In SSH-1, need one key for each direction */
return snewn(2, BlowfishContext);
}
void blowfish_free_context(void *handle)
{
sfree(handle);
}
static void blowfish_key(void *handle, unsigned char *key)
{
BlowfishContext *ctx = (BlowfishContext *)handle;
blowfish_setkey(ctx, key, 16);
}
static void blowfish256_key(void *handle, unsigned char *key)
{
BlowfishContext *ctx = (BlowfishContext *)handle;
blowfish_setkey(ctx, key, 32);
}
static void blowfish_iv(void *handle, unsigned char *key)
{
BlowfishContext *ctx = (BlowfishContext *)handle;
ctx->iv0 = GET_32BIT_MSB_FIRST(key);
ctx->iv1 = GET_32BIT_MSB_FIRST(key + 4);
}
static void blowfish_sesskey(void *handle, unsigned char *key)
{
BlowfishContext *ctx = (BlowfishContext *)handle;
blowfish_setkey(ctx, key, SSH_SESSION_KEY_LENGTH);
ctx->iv0 = 0;
ctx->iv1 = 0;
ctx[1] = ctx[0]; /* structure copy */
}
static void blowfish_ssh1_encrypt_blk(void *handle, unsigned char *blk,
int len)
{
BlowfishContext *ctx = (BlowfishContext *)handle;
blowfish_lsb_encrypt_cbc(blk, len, ctx);
}
static void blowfish_ssh1_decrypt_blk(void *handle, unsigned char *blk,
int len)
{
BlowfishContext *ctx = (BlowfishContext *)handle;
blowfish_lsb_decrypt_cbc(blk, len, ctx+1);
}
static void blowfish_ssh2_encrypt_blk(void *handle, unsigned char *blk,
int len)
{
BlowfishContext *ctx = (BlowfishContext *)handle;
blowfish_msb_encrypt_cbc(blk, len, ctx);
}
static void blowfish_ssh2_decrypt_blk(void *handle, unsigned char *blk,
int len)
{
BlowfishContext *ctx = (BlowfishContext *)handle;
blowfish_msb_decrypt_cbc(blk, len, ctx);
}
static void blowfish_ssh2_sdctr(void *handle, unsigned char *blk,
int len)
{
BlowfishContext *ctx = (BlowfishContext *)handle;
blowfish_msb_sdctr(blk, len, ctx);
}
const struct ssh_cipher ssh_blowfish_ssh1 = {
blowfish_ssh1_make_context, blowfish_free_context, blowfish_sesskey,
blowfish_ssh1_encrypt_blk, blowfish_ssh1_decrypt_blk,
8, "Blowfish-128 CBC"
};
static const struct ssh2_cipher ssh_blowfish_ssh2 = {
blowfish_make_context, blowfish_free_context, blowfish_iv, blowfish_key,
blowfish_ssh2_encrypt_blk, blowfish_ssh2_decrypt_blk, NULL, NULL,
"blowfish-cbc",
8, 128, 16, SSH_CIPHER_IS_CBC, "Blowfish-128 CBC",
NULL
};
static const struct ssh2_cipher ssh_blowfish_ssh2_ctr = {
blowfish_make_context, blowfish_free_context, blowfish_iv, blowfish256_key,
blowfish_ssh2_sdctr, blowfish_ssh2_sdctr, NULL, NULL,
"blowfish-ctr",
8, 256, 32, 0, "Blowfish-256 SDCTR",
NULL
};
static const struct ssh2_cipher *const blowfish_list[] = {
&ssh_blowfish_ssh2_ctr,
&ssh_blowfish_ssh2
};
const struct ssh2_ciphers ssh2_blowfish = {
sizeof(blowfish_list) / sizeof(*blowfish_list),
blowfish_list
};