File: md5.wat

package info (click to toggle)
js-of-ocaml 6.2.0-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 37,932 kB
  • sloc: ml: 135,957; javascript: 58,364; ansic: 437; makefile: 422; sh: 12; perl: 4
file content (551 lines) | stat: -rw-r--r-- 27,791 bytes parent folder | download
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
;; Wasm_of_ocaml runtime support
;; http://www.ocsigen.org/js_of_ocaml/
;;
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU Lesser General Public License as published by
;; the Free Software Foundation, with linking exception;
;; either version 2.1 of the License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU Lesser General Public License for more details.
;;
;; You should have received a copy of the GNU Lesser General Public License
;; along with this program; if not, write to the Free Software
;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

(module
   (import "io" "caml_getblock"
      (func $caml_getblock
         (param (ref eq)) (param (ref $bytes)) (param i32) (param i32)
         (result i32)))
   (import "fail" "caml_raise_end_of_file" (func $caml_raise_end_of_file))

   (type $bytes (array (mut i8)))
   (type $int_array (array (mut i32)))

   (type $context
      (struct
         (field (ref $int_array)) ;; w
         (field (mut i64))        ;; len
         (field (ref $int_array)) ;; buffer
         (field (ref $bytes))))  ;; intermediate buffer

   (func (export "caml_md5_string") (export "caml_md5_bytes")
      (param (ref eq)) (param (ref eq)) (param (ref eq)) (result (ref eq))
      (local $ctx (ref $context))
      (local.set $ctx (call $MD5Init))
      (call $MD5Update (local.get $ctx) (ref.cast (ref $bytes) (local.get 0))
         (i31.get_u (ref.cast (ref i31) (local.get 1)))
         (i31.get_u (ref.cast (ref i31) (local.get 2))))
      (return_call $MD5Final (local.get $ctx)))

   (func (export "caml_md5_chan")
      (param $ch (ref eq)) (param $vlen (ref eq)) (result (ref eq))
      (local $len i32) (local $read i32)
      (local $buf (ref $bytes))
      (local $ctx (ref $context))
      (local.set $len (i31.get_s (ref.cast (ref i31) (local.get $vlen))))
      (local.set $buf (array.new $bytes (i32.const 0) (i32.const 4096)))
      (local.set $ctx (call $MD5Init))
      (if (i32.lt_s (local.get $len) (i32.const 0))
         (then
            (loop $loop
               (local.set $read
                  (call $caml_getblock (local.get $ch) (local.get $buf)
                     (i32.const 0) (i32.const 4096)))
               (if (local.get $read)
                  (then
                     (call $MD5Update (local.get $ctx) (local.get $buf)
                        (i32.const 0) (local.get $read))
                     (br $loop)))))
         (else
            (loop $loop
               (if (local.get $len)
                  (then
                     (local.set $read
                        (call $caml_getblock (local.get $ch) (local.get $buf)
                           (i32.const 0)
                           (select (local.get $len) (i32.const 4096)
                              (i32.le_u (local.get $len) (i32.const 4096)))))
                     (if (i32.eqz (local.get $read))
                        (then (call $caml_raise_end_of_file)))
                     (call $MD5Update (local.get $ctx) (local.get $buf)
                        (i32.const 0) (local.get $read))
                     (local.set $len
                        (i32.sub (local.get $len) (local.get $read)))
                     (br $loop))))))
      (return_call $MD5Final (local.get $ctx)))

   (func $xx
      (param $q i32) (param $a i32) (param $b i32) (param $x i32) (param $s i32)
      (param $t i32) (result i32)
      (i32.add
         (i32.rotl
            (i32.add
               (i32.add (local.get $a) (local.get $q))
               (i32.add (local.get $x) (local.get $t)))
            (local.get $s))
         (local.get $b)))

   (func $ff
      (param $a i32) (param $b i32) (param $c i32) (param $d i32) (param $x i32)
      (param $s i32) (param $t i32) (result i32)
      (call $xx
         (i32.xor (local.get $d)
            (i32.and (local.get $b) (i32.xor (local.get $c) (local.get $d))))
         (local.get $a) (local.get $b)
         (local.get $x) (local.get $s) (local.get $t)))

   (func $gg
      (param $a i32) (param $b i32) (param $c i32) (param $d i32) (param $x i32)
      (param $s i32) (param $t i32) (result i32)
      (call $xx
         (i32.xor (local.get $c)
            (i32.and (local.get $d) (i32.xor (local.get $b) (local.get $c))))
         (local.get $a) (local.get $b)
         (local.get $x) (local.get $s) (local.get $t)))

   (func $hh
      (param $a i32) (param $b i32) (param $c i32) (param $d i32) (param $x i32)
      (param $s i32) (param $t i32) (result i32)
      (call $xx
         (i32.xor (local.get $b) (i32.xor (local.get $c) (local.get $d)))
         (local.get $a) (local.get $b)
         (local.get $x) (local.get $s) (local.get $t)))

   (func $ii
      (param $a i32) (param $b i32) (param $c i32) (param $d i32) (param $x i32)
      (param $s i32) (param $t i32) (result i32)
      (call $xx
         (i32.xor (local.get $c)
            (i32.or (local.get $b) (i32.xor (local.get $d) (i32.const -1))))
         (local.get $a) (local.get $b)
         (local.get $x) (local.get $s) (local.get $t)))

   (func $get_32 (param $s (ref $bytes)) (param $p i32) (result i32)
       (i32.or
          (i32.or
             (array.get_u $bytes (local.get $s) (local.get $p))
             (i32.shl (array.get_u $bytes (local.get $s)
                         (i32.add (local.get $p) (i32.const 1)))
                      (i32.const 8)))
          (i32.or
             (i32.shl (array.get_u $bytes (local.get $s)
                         (i32.add (local.get $p) (i32.const 2)))
                      (i32.const 16))
             (i32.shl (array.get_u $bytes (local.get $s)
                         (i32.add (local.get $p) (i32.const 3)))
                        (i32.const 24)))))

   (func $MD5Transform
      (param $w (ref $int_array)) (param $buffer (ref $int_array))
      (param $buffer' (ref $bytes)) (param $p i32)
      (local $i i32)
      (local $a i32) (local $b i32) (local $c i32) (local $d i32)
      (loop $loop
         (array.set $int_array (local.get $buffer) (local.get $i)
            (call $get_32 (local.get $buffer') (local.get $p)))
         (local.set $i (i32.add (local.get $i) (i32.const 1)))
         (local.set $p (i32.add (local.get $p) (i32.const 4)))
         (br_if $loop (i32.lt_u (local.get $i) (i32.const 16))))
      (local.set $a (array.get $int_array (local.get $w) (i32.const 0)))
      (local.set $b (array.get $int_array (local.get $w) (i32.const 1)))
      (local.set $c (array.get $int_array (local.get $w) (i32.const 2)))
      (local.set $d (array.get $int_array (local.get $w) (i32.const 3)))
      (local.set $a
         (call $ff (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  0))
            (i32.const 7) (i32.const 0xD76AA478)))
      (local.set $d
         (call $ff (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const  1))
            (i32.const 12) (i32.const 0xE8C7B756)))
      (local.set $c
         (call $ff (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const  2))
            (i32.const 17) (i32.const 0x242070DB)))
      (local.set $b
         (call $ff (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const  3))
            (i32.const 22) (i32.const 0xC1BDCEEE)))
      (local.set $a
         (call $ff (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  4))
            (i32.const 7) (i32.const 0xF57C0FAF)))
      (local.set $d
         (call $ff (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const  5))
            (i32.const 12) (i32.const 0x4787C62A)))
      (local.set $c
         (call $ff (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const  6))
            (i32.const 17) (i32.const 0xA8304613)))
      (local.set $b
         (call $ff (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const  7))
            (i32.const 22) (i32.const 0xFD469501)))
      (local.set $a
         (call $ff (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  8))
            (i32.const 7) (i32.const 0x698098D8)))
      (local.set $d
         (call $ff (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const  9))
            (i32.const 12) (i32.const 0x8B44F7AF)))
      (local.set $c
         (call $ff (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const 10))
            (i32.const 17) (i32.const 0xFFFF5BB1)))
      (local.set $b
         (call $ff (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const 11))
            (i32.const 22) (i32.const 0x895CD7BE)))
      (local.set $a
         (call $ff (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const 12))
            (i32.const 7) (i32.const 0x6B901122)))
      (local.set $d
         (call $ff (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const 13))
            (i32.const 12) (i32.const 0xFD987193)))
      (local.set $c
         (call $ff (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const 14))
            (i32.const 17) (i32.const 0xA679438E)))
      (local.set $b
         (call $ff (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const 15))
            (i32.const 22) (i32.const 0x49B40821)))
      (local.set $a
         (call $gg (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  1))
            (i32.const 5) (i32.const 0xF61E2562)))
      (local.set $d
         (call $gg (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const  6))
            (i32.const 9) (i32.const 0xC040B340)))
      (local.set $c
         (call $gg (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const 11))
            (i32.const 14) (i32.const 0x265E5A51)))
      (local.set $b
         (call $gg (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const  0))
            (i32.const 20) (i32.const 0xE9B6C7AA)))
      (local.set $a
         (call $gg (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  5))
            (i32.const 5) (i32.const 0xD62F105D)))
      (local.set $d
         (call $gg (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const 10))
            (i32.const 9) (i32.const 0x02441453)))
      (local.set $c
         (call $gg (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const 15))
            (i32.const 14) (i32.const 0xD8A1E681)))
      (local.set $b
         (call $gg (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const  4))
            (i32.const 20) (i32.const 0xE7D3FBC8)))
      (local.set $a
         (call $gg (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  9))
            (i32.const 5) (i32.const 0x21E1CDE6)))
      (local.set $d
         (call $gg (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const 14))
            (i32.const 9) (i32.const 0xC33707D6)))
      (local.set $c
         (call $gg (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const  3))
            (i32.const 14) (i32.const 0xF4D50D87)))
      (local.set $b
         (call $gg (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const  8))
            (i32.const 20) (i32.const 0x455A14ED)))
      (local.set $a
         (call $gg (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const 13))
            (i32.const 5) (i32.const 0xA9E3E905)))
      (local.set $d
         (call $gg (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const  2))
            (i32.const 9) (i32.const 0xFCEFA3F8)))
      (local.set $c
         (call $gg (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const  7))
            (i32.const 14) (i32.const 0x676F02D9)))
      (local.set $b
         (call $gg (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const 12))
            (i32.const 20) (i32.const 0x8D2A4C8A)))
      (local.set $a
         (call $hh (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  5))
            (i32.const 4) (i32.const 0xFFFA3942)))
      (local.set $d
         (call $hh (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const  8))
            (i32.const 11) (i32.const 0x8771F681)))
      (local.set $c
         (call $hh (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const 11))
            (i32.const 16) (i32.const 0x6D9D6122)))
      (local.set $b
         (call $hh (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const 14))
            (i32.const 23) (i32.const 0xFDE5380C)))
      (local.set $a
         (call $hh (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  1))
            (i32.const 4) (i32.const 0xA4BEEA44)))
      (local.set $d
         (call $hh (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const  4))
            (i32.const 11) (i32.const 0x4BDECFA9)))
      (local.set $c
         (call $hh (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const  7))
            (i32.const 16) (i32.const 0xF6BB4B60)))
      (local.set $b
         (call $hh (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const 10))
            (i32.const 23) (i32.const 0xBEBFBC70)))
      (local.set $a
         (call $hh (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const 13))
            (i32.const 4) (i32.const 0x289B7EC6)))
      (local.set $d
         (call $hh (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const  0))
            (i32.const 11) (i32.const 0xEAA127FA)))
      (local.set $c
         (call $hh (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const  3))
            (i32.const 16) (i32.const 0xD4EF3085)))
      (local.set $b
         (call $hh (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const  6))
            (i32.const 23) (i32.const 0x04881D05)))
      (local.set $a
         (call $hh (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  9))
            (i32.const 4) (i32.const 0xD9D4D039)))
      (local.set $d
         (call $hh (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const 12))
            (i32.const 11) (i32.const 0xE6DB99E5)))
      (local.set $c
         (call $hh (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const 15))
            (i32.const 16) (i32.const 0x1FA27CF8)))
      (local.set $b
         (call $hh (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const  2))
            (i32.const 23) (i32.const 0xC4AC5665)))
      (local.set $a
         (call $ii (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  0))
            (i32.const 6) (i32.const 0xF4292244)))
      (local.set $d
         (call $ii (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const  7))
            (i32.const 10) (i32.const 0x432AFF97)))
      (local.set $c
         (call $ii (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const 14))
            (i32.const 15) (i32.const 0xAB9423A7)))
      (local.set $b
         (call $ii (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const  5))
            (i32.const 21) (i32.const 0xFC93A039)))
      (local.set $a
         (call $ii (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const 12))
            (i32.const 6) (i32.const 0x655B59C3)))
      (local.set $d
         (call $ii (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const  3))
            (i32.const 10) (i32.const 0x8F0CCC92)))
      (local.set $c
         (call $ii (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const 10))
            (i32.const 15) (i32.const 0xFFEFF47D)))
      (local.set $b
         (call $ii (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const  1))
            (i32.const 21) (i32.const 0x85845DD1)))
      (local.set $a
         (call $ii (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  8))
            (i32.const 6) (i32.const 0x6FA87E4F)))
      (local.set $d
         (call $ii (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const 15))
            (i32.const 10) (i32.const 0xFE2CE6E0)))
      (local.set $c
         (call $ii (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const  6))
            (i32.const 15) (i32.const 0xA3014314)))
      (local.set $b
         (call $ii (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const 13))
            (i32.const 21) (i32.const 0x4E0811A1)))
      (local.set $a
         (call $ii (local.get $a) (local.get $b) (local.get $c) (local.get $d)
            (array.get $int_array (local.get $buffer) (i32.const  4))
            (i32.const 6) (i32.const 0xF7537E82)))
      (local.set $d
         (call $ii (local.get $d) (local.get $a) (local.get $b) (local.get $c)
            (array.get $int_array (local.get $buffer) (i32.const 11))
            (i32.const 10) (i32.const 0xBD3AF235)))
      (local.set $c
         (call $ii (local.get $c) (local.get $d) (local.get $a) (local.get $b)
            (array.get $int_array (local.get $buffer) (i32.const  2))
            (i32.const 15) (i32.const 0x2AD7D2BB)))
      (local.set $b
         (call $ii (local.get $b) (local.get $c) (local.get $d) (local.get $a)
            (array.get $int_array (local.get $buffer) (i32.const  9))
            (i32.const 21) (i32.const 0xEB86D391)))
      (array.set $int_array (local.get $w) (i32.const 0)
         (i32.add (array.get $int_array (local.get $w) (i32.const 0))
                  (local.get $a)))
      (array.set $int_array (local.get $w) (i32.const 1)
         (i32.add (array.get $int_array (local.get $w) (i32.const 1))
                  (local.get $b)))
      (array.set $int_array (local.get $w) (i32.const 2)
         (i32.add (array.get $int_array (local.get $w) (i32.const 2))
                  (local.get $c)))
      (array.set $int_array (local.get $w) (i32.const 3)
         (i32.add (array.get $int_array (local.get $w) (i32.const 3))
                  (local.get $d))))

   (func $MD5Init (result (ref $context))
       (struct.new $context
          (array.new_fixed $int_array 4
             (i32.const 0x67452301) (i32.const 0xEFCDAB89)
             (i32.const 0x98BADCFE) (i32.const 0x10325476))
          (i64.const 0)
          (array.new $int_array (i32.const 0) (i32.const 16))
          (array.new $bytes (i32.const 0) (i32.const 64))))

   (func $MD5Update
      (param $ctx (ref $context)) (param $input (ref $bytes))
      (param $input_pos i32) (param $input_len i32)
      (local $in_buf i32) (local $len i64)
      (local $missing i32)
      (local.set $len (struct.get $context 1 (local.get $ctx)))
      (local.set $in_buf
         (i32.and (i32.wrap_i64 (local.get $len)) (i32.const 0x3f)))
      (struct.set $context 1 (local.get $ctx)
         (i64.add (local.get $len) (i64.extend_i32_u (local.get $input_len))))
      (if (local.get $in_buf)
         (then
            (local.set $missing (i32.sub (i32.const 64) (local.get $in_buf)))
            (if (i32.lt_u (local.get $input_len) (local.get $missing))
               (then
                  (array.copy $bytes $bytes
                     (struct.get $context 3 (local.get $ctx))
                     (local.get $missing)
                     (local.get $input) (local.get $input_pos)
                     (local.get $input_len))
                  (return)))
            (array.copy $bytes $bytes
               (struct.get $context 3 (local.get $ctx))
               (local.get $missing)
               (local.get $input) (local.get $input_pos) (local.get $missing))
            (call $MD5Transform (struct.get $context 0 (local.get $ctx))
               (struct.get $context 2 (local.get $ctx))
               (struct.get $context 3 (local.get $ctx))
               (i32.const 0))
            (local.set $input_pos
               (i32.add (local.get $input_pos) (local.get $missing)))
            (local.set $input_len
               (i32.sub (local.get $input_len) (local.get $missing)))))
      (loop $loop
         (if (i32.ge_u (local.get $input_len) (i32.const 64))
            (then
               (call $MD5Transform (struct.get $context 0 (local.get $ctx))
                  (struct.get $context 2 (local.get $ctx))
                  (local.get $input)
                  (local.get $input_pos))
                (local.set $input_pos
                   (i32.add (local.get $input_pos) (i32.const 64)))
                (local.set $input_len
                   (i32.sub (local.get $input_len) (i32.const 64)))
                (br $loop))))
      (if (local.get $input_len)
         (then
            (array.copy $bytes $bytes
               (struct.get $context 3 (local.get $ctx)) (i32.const 0)
               (local.get $input) (local.get $input_pos)
               (local.get $input_len)))))

   (func $MD5Final (param $ctx (ref $context)) (result (ref $bytes))
      (local $in_buf i32) (local $i i32) (local $len i64)
      (local $w (ref $int_array))
      (local $buffer (ref $bytes)) (local $res (ref $bytes))
      (local.set $len (struct.get $context 1 (local.get $ctx)))
      (local.set $in_buf
         (i32.and (i32.wrap_i64 (local.get $len)) (i32.const 0x3f)))
      (local.set $buffer (struct.get $context 3 (local.get $ctx)))
      (array.set $bytes (local.get $buffer) (local.get $in_buf)
         (i32.const 0x80))
      (local.set $in_buf (i32.add (local.get $in_buf) (i32.const 1)))
      (if (i32.gt_u (local.get $in_buf) (i32.const 56))
         (then
            (local.set $i (local.get $in_buf))
            (loop $loop
               (if (i32.lt_u (local.get $i) (i32.const 64))
                  (then
                     (array.set $bytes
                        (local.get $buffer) (local.get $i) (i32.const 0))
                     (local.set $i (i32.add (local.get $i) (i32.const 1)))
                     (br $loop))))
            (call $MD5Transform (struct.get $context 0 (local.get $ctx))
               (struct.get $context 2 (local.get $ctx))
               (local.get $buffer)
               (i32.const 0))
            (local.set $in_buf (i32.const 0))))
      (local.set $i (local.get $in_buf))
      (loop $loop
         (array.set $bytes (local.get $buffer) (local.get $i) (i32.const 0))
         (local.set $i (i32.add (local.get $i) (i32.const 1)))
         (br_if $loop (i32.lt_u (local.get $i) (i32.const 56))))
      (local.set $len (i64.shl (local.get $len) (i64.const 3)))
      (array.set $bytes (local.get $buffer) (i32.const 56)
         (i32.wrap_i64 (local.get $len)))
      (array.set $bytes (local.get $buffer) (i32.const 57)
         (i32.wrap_i64 (i64.shr_u (local.get $len) (i64.const 8))))
      (array.set $bytes (local.get $buffer) (i32.const 58)
         (i32.wrap_i64 (i64.shr_u (local.get $len) (i64.const 16))))
      (array.set $bytes (local.get $buffer) (i32.const 59)
         (i32.wrap_i64 (i64.shr_u (local.get $len) (i64.const 24))))
      (array.set $bytes (local.get $buffer) (i32.const 60)
         (i32.wrap_i64 (i64.shr_u (local.get $len) (i64.const 32))))
      (array.set $bytes (local.get $buffer) (i32.const 61)
         (i32.wrap_i64 (i64.shr_u (local.get $len) (i64.const 40))))
      (array.set $bytes (local.get $buffer) (i32.const 62)
         (i32.wrap_i64 (i64.shr_u (local.get $len) (i64.const 48))))
      (array.set $bytes (local.get $buffer) (i32.const 63)
         (i32.wrap_i64 (i64.shr_u (local.get $len) (i64.const 56))))
      (call $MD5Transform (struct.get $context 0 (local.get $ctx))
         (struct.get $context 2 (local.get $ctx))
         (local.get $buffer)
         (i32.const 0))
      (local.set $res (array.new $bytes (i32.const 0) (i32.const 16)))
      (local.set $i (i32.const 0))
      (local.set $w (struct.get $context 0 (local.get $ctx)))
      (loop $loop
         (array.set $bytes (local.get $res) (local.get $i)
            (i32.shr_u
               (array.get $int_array (local.get $w)
                  (i32.shr_u (local.get $i) (i32.const 2)))
               (i32.shl (local.get $i) (i32.const 3))))
         (local.set $i (i32.add (local.get $i) (i32.const 1)))
         (br_if $loop (i32.lt_u (local.get $i) (i32.const 16))))
      (local.get $res))
)