-
Notifications
You must be signed in to change notification settings - Fork 2
/
index.js
812 lines (746 loc) · 25 KB
/
index.js
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
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
;(function (root) {
/*----------------------------AMD----------------------------------------------*/
// Detect free variables `exports`.
var freeExports = typeof exports == 'object' && exports;
// Detect free variable `module`.
var freeModule = typeof module == 'object' && module &&
module.exports == freeExports && module;
// Detect free variable `global`, from Node.js or Browserified code, and use
// it as `root`.
var freeGlobal = typeof global == 'object' && global;
if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
root = freeGlobal;
}
/*-----------------------------Whirlpool---------------------------------------------*/
/**
* Base hasher class
* @interface
*/
class Hasher {
/**
* @param {Object} options
* @constructor
*/
constructor(options) {
/**
* Size of unit in bytes (4 = 32 bits)
* @type {number}
*/
this.unitSize = 4;
/**
* Bytes order in unit
* 0 - normal
* 1 - reverse
* @type {number}
*/
this.unitOrder = 0;
/**
* Size of block in units
* @type {number}
*/
this.blockSize = 16;
/**
* Size of block in bytes
* @type {number}
*/
this.blockSizeInBytes = this.blockSize * this.unitSize;
/**
* All algorithm variables that changed during process
* @protected
* @type {Object}
* @property {string} state.message - Unprocessed Message
* @property {number} state.length - Length of message
*/
this.state = {};
this.state.message = '';
this.state.length = 0;
/**
* Options from initialization
* @protected
* @type {Object}
*/
this.options = options || {};
}
/**
* Reset hasher to initial state
*/
reset() {
this.state = {};
this.constructor(this.options);
}
/**
* Return current state
*
* @returns {Object}
*/
getState() {
return JSON.parse(JSON.stringify(this.state));
}
/**
* Set current state
*
* @param {Object} state
*/
setState(state) {
this.state = state;
}
/**
* Update message from binary string
*
* @param {string} message
*/
update(message) {
this.state.message += message;
this.state.length += message.length;
this.process();
}
/**
* Process ready blocks
*
* @protected
*/
process() {
}
/**
* Finalize hash and return result
*
* @returns {string}
*/
finalize() {
return '';
}
/**
* Get hash from state
*
* @protected
* @param {number} [size=this.state.hash.length] - Limit hash size (in chunks)
* @returns {string}
*/
getStateHash(size) {
return '';
}
/**
* Add PKCS7 padding to message
*
* @protected
* @param {number} length
*/
addPaddingPKCS7(length) {
this.state.message += new Array(length + 1).join(String.fromCharCode(length));
}
/**
* Add ISO7816 padding to message
*
* @protected
* @param {number} length
*/
addPaddingISO7816(length) {
this.state.message += "\x80" + new Array(length).join("\x00");
}
/**
* Add zero padding to message
*
* @protected
* @param {number} length
*/
addPaddingZero(length) {
this.state.message += new Array(length + 1).join("\x00");
}
}
/**
* Hasher for 32 bit big endian blocks
* @interface
*/
class Hasher32be extends Hasher {
/**
* @param {Object} [options]
*/
constructor(options) {
super(options);
/**
* Reverse order of bytes
* @type {number}
*/
this.unitOrder = 1;
/**
* Current block (only for speed optimization)
* @private
* @type {number[]}
*/
this.blockUnits = [];
}
/**
* Process ready blocks
*
* @protected
*/
process() {
while (this.state.message.length >= this.blockSizeInBytes) {
this.blockUnits = [];
for (let b = 0; b < this.blockSizeInBytes; b += 4) {
this.blockUnits.push(this.state.message.charCodeAt(b) << 24 | this.state.message.charCodeAt(b + 1) << 16 |
this.state.message.charCodeAt(b + 2) << 8 | this.state.message.charCodeAt(b + 3));
}
this.state.message = this.state.message.substr(this.blockSizeInBytes);
this.processBlock(this.blockUnits);
}
}
/**
* Process ready blocks
*
* @protected
* @param {number[]} M
*/
processBlock(M) {
}
/**
* Get hash from state
*
* @protected
* @param {number} [size=this.state.hash.length] - Limit hash size (in chunks)
* @returns {string}
*/
getStateHash(size) {
size = size || this.state.hash.length;
let hash = '';
for (let i = 0; i < size; i++) {
hash += String.fromCharCode(this.state.hash[i] >> 24 & 0xff) +
String.fromCharCode(this.state.hash[i] >> 16 & 0xff) +
String.fromCharCode(this.state.hash[i] >> 8 & 0xff) +
String.fromCharCode(this.state.hash[i] & 0xff);
}
return hash;
}
/**
* Add to message cumulative size of message in bits
*
* @protected
*/
addLengthBits() {
// @todo fix length to 64 bit
this.state.message += "\x00\x00\x00\x00";
let lengthBits = this.state.length << 3;
for (let i = 3; i >= 0; i--) {
this.state.message += String.fromCharCode(lengthBits >> (i << 3));
}
}
}
/**
* Rotate x to n bits left
*
* @param {number} x
* @param {number} n
* @returns {number}
*/
function rotateLeft(x, n) {
return ((x << n) | (x >>> (32 - n))) | 0;
}
/**
* Rotate x to n bits right
* @param {number} x
* @param {number} n
* @returns {number}
*/
function rotateRight(x, n) {
return ((x >>> n) | (x << (32 - n))) | 0;
}
/**
* Rotate 64bit to n bits right and return hi
*
* @param {number} hi
* @param {number} lo
* @param {number} n
* @returns {number}
*/
function rotateRight64hi(hi, lo, n) {
if (n === 32) {
return lo;
}
if (n > 32) {
return rotateRight64hi(lo, hi, n - 32);
}
return ((hi >>> n) | (lo << (32 - n))) & (0xFFFFFFFF);
}
/**
* Rotate 64bit to n bits right and return lo
*
* @param {number} hi
* @param {number} lo
* @param {number} n
* @returns {number}
*/
function rotateRight64lo(hi, lo, n) {
if (n === 32) {
return hi;
}
if (n > 32) {
return rotateRight64lo(lo, hi, n - 32);
}
return ((lo >>> n) | (hi << (32 - n))) & (0xFFFFFFFF);
}
//Whirlpool
/** @type {number[]} */
const SBOX = new Array(256);
/** @type {number[]} */
const SBOX0 = [
0x68, 0xd0, 0xeb, 0x2b, 0x48, 0x9d, 0x6a, 0xe4, 0xe3, 0xa3, 0x56, 0x81,
0x7d, 0xf1, 0x85, 0x9e, 0x2c, 0x8e, 0x78, 0xca, 0x17, 0xa9, 0x61, 0xd5,
0x5d, 0x0b, 0x8c, 0x3c, 0x77, 0x51, 0x22, 0x42, 0x3f, 0x54, 0x41, 0x80,
0xcc, 0x86, 0xb3, 0x18, 0x2e, 0x57, 0x06, 0x62, 0xf4, 0x36, 0xd1, 0x6b,
0x1b, 0x65, 0x75, 0x10, 0xda, 0x49, 0x26, 0xf9, 0xcb, 0x66, 0xe7, 0xba,
0xae, 0x50, 0x52, 0xab, 0x05, 0xf0, 0x0d, 0x73, 0x3b, 0x04, 0x20, 0xfe,
0xdd, 0xf5, 0xb4, 0x5f, 0x0a, 0xb5, 0xc0, 0xa0, 0x71, 0xa5, 0x2d, 0x60,
0x72, 0x93, 0x39, 0x08, 0x83, 0x21, 0x5c, 0x87, 0xb1, 0xe0, 0x00, 0xc3,
0x12, 0x91, 0x8a, 0x02, 0x1c, 0xe6, 0x45, 0xc2, 0xc4, 0xfd, 0xbf, 0x44,
0xa1, 0x4c, 0x33, 0xc5, 0x84, 0x23, 0x7c, 0xb0, 0x25, 0x15, 0x35, 0x69,
0xff, 0x94, 0x4d, 0x70, 0xa2, 0xaf, 0xcd, 0xd6, 0x6c, 0xb7, 0xf8, 0x09,
0xf3, 0x67, 0xa4, 0xea, 0xec, 0xb6, 0xd4, 0xd2, 0x14, 0x1e, 0xe1, 0x24,
0x38, 0xc6, 0xdb, 0x4b, 0x7a, 0x3a, 0xde, 0x5e, 0xdf, 0x95, 0xfc, 0xaa,
0xd7, 0xce, 0x07, 0x0f, 0x3d, 0x58, 0x9a, 0x98, 0x9c, 0xf2, 0xa7, 0x11,
0x7e, 0x8b, 0x43, 0x03, 0xe2, 0xdc, 0xe5, 0xb2, 0x4e, 0xc7, 0x6d, 0xe9,
0x27, 0x40, 0xd8, 0x37, 0x92, 0x8f, 0x01, 0x1d, 0x53, 0x3e, 0x59, 0xc1,
0x4f, 0x32, 0x16, 0xfa, 0x74, 0xfb, 0x63, 0x9f, 0x34, 0x1a, 0x2a, 0x5a,
0x8d, 0xc9, 0xcf, 0xf6, 0x90, 0x28, 0x88, 0x9b, 0x31, 0x0e, 0xbd, 0x4a,
0xe8, 0x96, 0xa6, 0x0c, 0xc8, 0x79, 0xbc, 0xbe, 0xef, 0x6e, 0x46, 0x97,
0x5b, 0xed, 0x19, 0xd9, 0xac, 0x99, 0xa8, 0x29, 0x64, 0x1f, 0xad, 0x55,
0x13, 0xbb, 0xf7, 0x6f, 0xb9, 0x47, 0x2f, 0xee, 0xb8, 0x7b, 0x89, 0x30,
0xd3, 0x7f, 0x76, 0x82
];
/** @type {number[]} */
const eBOX = [
0x1, 0xb, 0x9, 0xc, 0xd, 0x6, 0xf, 0x3,
0xe, 0x8, 0x7, 0x4, 0xa, 0x2, 0x5, 0x0
];
/** @type {number[]} */
const rBOX = [
0x7, 0xc, 0xb, 0xd, 0xe, 0x4, 0x9, 0xf,
0x6, 0x3, 0x8, 0xa, 0x2, 0x5, 0x1, 0x0
];
/** @type {number[]} */
const iBOX = new Array(16);
/** @type {number[]} */
const theta = [1, 1, 4, 1, 8, 5, 2, 9];
/** @type {number[]} */
const theta0 = [1, 1, 3, 1, 5, 8, 9, 5];
/** @type {Array[]} */
let C = new Array(512);
/** @type {number[]} */
let RC = new Array(22);
/** @type {Array[]} */
let C0 = new Array(512);
/** @type {number[]} */
let RC0 = new Array(22);
/** @type {Array[]} */
let CT = new Array(512);
/** @type {number[]} */
let RCT = new Array(22);
/**
* Calculates SBOX from eBOX & rBOX
*
* @private
* @returns {void}
*/
function calculateSBOX() {
for (let i = 0; i < 16; i++) {
iBOX[eBOX[i]] = i | 0;
}
for (let i = 0; i < 256; i++) {
let left = eBOX[i >> 4];
let right = iBOX[i & 0xf];
let temp = rBOX[left ^ right];
SBOX[i] = (eBOX[left ^ temp] << 4) | iBOX[right ^ temp];
}
}
/**
* Calculates C* & RC* transform tables
*
* @private
* @param {number[]} SBOX
* @param {number[]} theta
* @returns {[Array[], number[]]}
*/
function calculateRC(SBOX, theta) {
/** @type {Array[]} */
const C = new Array(512);
/** @type {number[]} */
const RC = new Array(22);
for (let t = 0; t < 8; t++) {
C[t] = [];
}
for (let i = 0; i < 256; i++) {
let V = new Array(10);
V[1] = SBOX[i];
V[2] = V[1] << 1;
if (V[2] >= 0x100) {
V[2] ^= 0x11d;
}
V[3] = V[2] ^ V[1];
V[4] = V[2] << 1;
if (V[4] >= 0x100) {
V[4] ^= 0x11d;
}
V[5] = V[4] ^ V[1];
V[8] = V[4] << 1;
if (V[8] >= 0x100) {
V[8] ^= 0x11d;
}
V[9] = V[8] ^ V[1];
// build the circulant table C[0][x] = S[x].[1, 1, 4, 1, 8, 5, 2, 9] | S[x].[1, 1, 3, 1, 5, 8, 9, 5]
C[0][i * 2] = (V[theta[0]] << 24) | (V[theta[1]] << 16) | (V[theta[2]] << 8) | V[theta[3]];
C[0][i * 2 + 1] = (V[theta[4]] << 24) | (V[theta[5]] << 16) | (V[theta[6]] << 8) | V[theta[7]];
// build the remaining circulant tables C[t][x] = C[0][x] rotr t
for (let t = 1; t < 8; t++) {
C[t][i * 2] = rotateRight64lo(C[0][i * 2 + 1], C[0][i * 2], t << 3);
C[t][i * 2 + 1] = rotateRight64hi(C[0][i * 2 + 1], C[0][i * 2], t << 3);
}
}
// build the round constants
RC[0] = 0;
RC[1] = 0;
for (let i = 1; i <= 10; i++) {
RC[i * 2] = (C[0][16 * i - 16] & 0xff000000) ^
(C[1][16 * i - 14] & 0x00ff0000) ^
(C[2][16 * i - 12] & 0x0000ff00) ^
(C[3][16 * i - 10] & 0x000000ff);
RC[i * 2 + 1] = (C[4][16 * i - 7] & 0xff000000) ^
(C[5][16 * i - 5] & 0x00ff0000) ^
(C[6][16 * i - 3] & 0x0000ff00) ^
(C[7][16 * i - 1] & 0x000000ff);
}
return [C, RC];
}
// Build transform tables
(function () {
calculateSBOX();
// whirlpool-0
let x = calculateRC(SBOX0, theta0);
C0 = x[0];
RC0 = x[1];
// whirlpool-t
x = calculateRC(SBOX, theta0);
CT = x[0];
RCT = x[1];
// whirlpool
x = calculateRC(SBOX, theta);
C = x[0];
RC = x[1];
})();
/**
* Calculates [WHIRLPOOL (WHIRLPOOL-0, WHIRLPOOL-T)](http://www.larc.usp.br/~pbarreto/WhirlpoolPage.html) hash
*/
class Whirlpool extends Hasher32be {
/**
* @param {Object} [options]
* @param {number} [options.rounds=10] - Number of rounds (Can be from 1 to 10)
* @param {string} [options.type] - Algorithm type
*
* | Hash type | Type |
* |-------------|-----------|
* | whirlpool-0 | '0' |
* | whirlpool-t | 't' |
* | whirlpool | undefined |
*/
constructor(options) {
super(options);
this.options.type = this.options.type || '';
this.options.rounds = this.options.rounds || 10;
this.state.hash = new Array(16);
for (let i = 0; i < 16; i++) {
this.state.hash[i] = 0;
}
switch (this.options.type) {
case '0':
case 0:
/**
* @type {{number[]}[]}
* @ignore
* */
this.C = C0;
/**
* @type {number[]}
* @ignore
* */
this.RC = RC0;
break;
case 't':
this.C = CT;
this.RC = RCT;
break;
default:
this.C = C;
this.RC = RC;
}
}
/**
* Process ready blocks
*
* @protected
* @ignore
* @param {number[]} block - Block
*/
processBlock(block) {
// compute and apply K^0 to the cipher state
let K = new Array(16);
let state = [];
for (let i = 0; i < 16; i++) {
state[i] = block[i] ^ (K[i] = this.state.hash[i]) | 0;
}
// iterate over all rounds
let L = [];
for (let r = 1; r <= this.options.rounds; r++) {
// compute K^r from K^{r-1}
for (let i = 0; i < 8; i++) {
L[i * 2] = 0;
L[i * 2 + 1] = 0;
for (let t = 0, s = 56, j = 0; t < 8; t++, s -= 8, j = s < 32 ? 1 : 0) {
L[i * 2] ^= this.C[t][((K[((i - t) & 7) * 2 + j] >>> (s % 32)) & 0xff) * 2];
L[i * 2 + 1] ^= this.C[t][((K[((i - t) & 7) * 2 + j] >>> (s % 32)) & 0xff) * 2 + 1];
}
}
for (let i = 0; i < 16; i++) {
K[i] = L[i];
}
K[0] ^= this.RC[r * 2];
K[1] ^= this.RC[r * 2 + 1];
// apply the r-th round transformation
for (let i = 0; i < 8; i++) {
L[i * 2] = K[i * 2];
L[i * 2 + 1] = K[i * 2 + 1];
for (let t = 0, s = 56, j = 0; t < 8; t++, s -= 8, j = s < 32 ? 1 : 0) {
L[i * 2] ^= this.C[t][((state[((i - t) & 7) * 2 + j] >>> (s % 32)) & 0xff) * 2];
L[i * 2 + 1] ^= this.C[t][((state[((i - t) & 7) * 2 + j] >>> (s % 32)) & 0xff) * 2 + 1];
}
}
for (let i = 0; i < 16; i++) {
state[i] = L[i];
}
}
// apply the Miyaguchi-Preneel compression function
for (let i = 0; i < 16; i++) {
this.state.hash[i] ^= state[i] ^ block[i];
}
}
/**
* Finalize hash and return result
*
* @returns {string}
*/
finalize() {
this.addPaddingISO7816(
this.state.message.length < 32 ?
(56 - this.state.message.length) | 0 :
(120 - this.state.message.length) | 0);
this.addLengthBits();
this.process();
return this.getStateHash();
}
/**
* Return hash result
* @param {string} message
* @returns {string}
*/
getHash(message) {
this.update(message);
return this.finalize();
}
}
/*---------------------------------fromUtf-----------------------------------------*/
/**
* Convert UTF8/UTF16 string to binary input for hasher
*
* @param {string} message
* @returns {string}
*/
function fromUtf(message) {
let raw = '';
for (let i = 0, msgLen = message.length; i < msgLen; i++) {
let charCode = message.charCodeAt(i);
if (charCode < 0x80) {
raw += String.fromCharCode(charCode);
}
else if (charCode < 0x800) {
raw += String.fromCharCode(0xc0 | (charCode >> 6));
raw += String.fromCharCode(0x80 | (charCode & 0x3f));
}
else if (charCode < 0xd800 || charCode >= 0xe000) {
raw += String.fromCharCode(0xe0 | (charCode >> 12));
raw += String.fromCharCode(0x80 | ((charCode >> 6) & 0x3f));
raw += String.fromCharCode(0x80 | (charCode & 0x3f));
}
// surrogate pair
else {
i++;
// UTF-16 encodes 0x10000-0x10FFFF by
// subtracting 0x10000 and splitting the
// 20 bits of 0x0-0xFFFFF into two halves
charCode = 0x10000 + (((charCode & 0x3ff) << 10)
| (message.charCodeAt(i) & 0x3ff));
raw += String.fromCharCode(0xf0 | (charCode >> 18));
raw += String.fromCharCode(0x80 | ((charCode >> 12) & 0x3f));
raw += String.fromCharCode(0x80 | ((charCode >> 6) & 0x3f));
raw += String.fromCharCode(0x80 | (charCode & 0x3f));
}
}
return raw;
}
/*----------------------------------toHex----------------------------------------*/
/**
* Convert binary result of hash to hex
*
* @param {string} raw
* @returns {string}
*/
function toHex(raw) {
let str = '';
for (let i = 0, l = raw.length; i < l; i++) {
str += (raw.charCodeAt(i) < 16 ? '0' : '') + raw.charCodeAt(i).toString(16);
}
return str;
}
/*--------------------------------BASE64------------------------------------------*/
var InvalidCharacterError = function (message) {
this.message = message;
};
InvalidCharacterError.prototype = new Error;
InvalidCharacterError.prototype.name = 'InvalidCharacterError';
var error = function (message) {
// Note: the error messages used throughout this file match those used by
// the native `atob`/`btoa` implementation in Chromium.
throw new InvalidCharacterError(message);
};
var TABLE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
var REGEX_SPACE_CHARACTERS = /[\t\n\f\r ]/g;
var decode = function (input) {
input = String(input)
.replace(REGEX_SPACE_CHARACTERS, '');
var length = input.length;
if (length % 4 == 0) {
input = input.replace(/==?$/, '');
length = input.length;
}
if (
length % 4 == 1 ||
// http://whatwg.org/C#alphanumeric-ascii-characters
/[^+a-zA-Z0-9/]/.test(input)
) {
error(
'Invalid character: the string to be decoded is not correctly encoded.'
);
}
var bitCounter = 0;
var bitStorage;
var buffer;
var output = '';
var position = -1;
while (++position < length) {
buffer = TABLE.indexOf(input.charAt(position));
bitStorage = bitCounter % 4 ? bitStorage * 64 + buffer : buffer;
// Unless this is the first of a group of 4 characters…
if (bitCounter++ % 4) {
// …convert the first 8 bits to a single ASCII character.
output += String.fromCharCode(
0xFF & bitStorage >> (-2 * bitCounter & 6)
);
}
}
return output;
};
var encode = function (input) {
input = String(input);
if (/[^\0-\xFF]/.test(input)) {
// Note: no need to special-case astral symbols here, as surrogates are
// matched, and the input is supposed to only contain ASCII anyway.
error(
'The string to be encoded contains characters outside of the ' +
'Latin1 range.'
);
}
var padding = input.length % 3;
var output = '';
var position = -1;
var a;
var b;
var c;
var d;
var buffer;
// Make sure any padding is handled outside of the loop.
var length = input.length - padding;
while (++position < length) {
// Read three bytes, i.e. 24 bits.
a = input.charCodeAt(position) << 16;
b = input.charCodeAt(++position) << 8;
c = input.charCodeAt(++position);
buffer = a + b + c;
// Turn the 24 bits into four chunks of 6 bits each, and append the
// matching character for each of them to the output.
output += (
TABLE.charAt(buffer >> 18 & 0x3F) +
TABLE.charAt(buffer >> 12 & 0x3F) +
TABLE.charAt(buffer >> 6 & 0x3F) +
TABLE.charAt(buffer & 0x3F)
);
}
if (padding == 2) {
a = input.charCodeAt(position) << 8;
b = input.charCodeAt(++position);
buffer = a + b;
output += (
TABLE.charAt(buffer >> 10) +
TABLE.charAt((buffer >> 4) & 0x3F) +
TABLE.charAt((buffer << 2) & 0x3F) +
'='
);
} else if (padding == 1) {
buffer = input.charCodeAt(position);
output += (
TABLE.charAt(buffer >> 2) +
TABLE.charAt((buffer << 4) & 0x3F) +
'=='
);
}
return output;
};
/**
* Convert binary result of hash to Base64
*
* @param {string} input
* @returns {string}
*/
function toBase64(input) {
return encode(input);
}
/**
* Convert Base64 result of hash to binary
*
* @param {string} input
* @returns {string}
*/
function fromBase64(input) {
return decode(input)
}
/*-----------------------------RESULT--------------------------------------------*/
const result = {
Whirlpool,
encoders: {
toHex, fromBase64, toBase64, fromUtf
}
};
/*------------------------------AMD Module--------------------------------------------*/
// Some AMD build optimizers, like r.js, check for specific condition patterns
// like the following:
if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
define(function () {
return result
});
} else if (freeExports && !freeExports.nodeType) {
if (freeModule) { // in Node.js or RingoJS v0.8.0+
freeModule.exports = result
} else { // in Narwhal or RingoJS v0.7.0-
for (var key in result) {
result.hasOwnProperty(key) && (freeExports[key] = result[key]);
}
}
} else { // in Rhino or a web browser
root.whirlpool = result
}
}(this));