0) {
188 | if(p < this.DB && (d = this[i]>>p) > 0) { m = true; r = int2char(d); }
189 | while(i >= 0) {
190 | if(p < k) {
191 | d = (this[i]&((1<>(p+=this.DB-k);
193 | }
194 | else {
195 | d = (this[i]>>(p-=k))&km;
196 | if(p <= 0) { p += this.DB; --i; }
197 | }
198 | if(d > 0) m = true;
199 | if(m) r += int2char(d);
200 | }
201 | }
202 | return m?r:"0";
203 | }
204 |
205 | // (public) -this
206 | function bnNegate() { var r = nbi(); BigInteger.ZERO.subTo(this,r); return r; }
207 |
208 | // (public) |this|
209 | function bnAbs() { return (this.s<0)?this.negate():this; }
210 |
211 | // (public) return + if this > a, - if this < a, 0 if equal
212 | function bnCompareTo(a) {
213 | var r = this.s-a.s;
214 | if(r != 0) return r;
215 | var i = this.t;
216 | r = i-a.t;
217 | if(r != 0) return (this.s<0)?-r:r;
218 | while(--i >= 0) if((r=this[i]-a[i]) != 0) return r;
219 | return 0;
220 | }
221 |
222 | // returns bit length of the integer x
223 | function nbits(x) {
224 | var r = 1, t;
225 | if((t=x>>>16) != 0) { x = t; r += 16; }
226 | if((t=x>>8) != 0) { x = t; r += 8; }
227 | if((t=x>>4) != 0) { x = t; r += 4; }
228 | if((t=x>>2) != 0) { x = t; r += 2; }
229 | if((t=x>>1) != 0) { x = t; r += 1; }
230 | return r;
231 | }
232 |
233 | // (public) return the number of bits in "this"
234 | function bnBitLength() {
235 | if(this.t <= 0) return 0;
236 | return this.DB*(this.t-1)+nbits(this[this.t-1]^(this.s&this.DM));
237 | }
238 |
239 | // (protected) r = this << n*DB
240 | function bnpDLShiftTo(n,r) {
241 | var i;
242 | for(i = this.t-1; i >= 0; --i) r[i+n] = this[i];
243 | for(i = n-1; i >= 0; --i) r[i] = 0;
244 | r.t = this.t+n;
245 | r.s = this.s;
246 | }
247 |
248 | // (protected) r = this >> n*DB
249 | function bnpDRShiftTo(n,r) {
250 | for(var i = n; i < this.t; ++i) r[i-n] = this[i];
251 | r.t = Math.max(this.t-n,0);
252 | r.s = this.s;
253 | }
254 |
255 | // (protected) r = this << n
256 | function bnpLShiftTo(n,r) {
257 | var bs = n%this.DB;
258 | var cbs = this.DB-bs;
259 | var bm = (1<= 0; --i) {
262 | r[i+ds+1] = (this[i]>>cbs)|c;
263 | c = (this[i]&bm)<= 0; --i) r[i] = 0;
266 | r[ds] = c;
267 | r.t = this.t+ds+1;
268 | r.s = this.s;
269 | r.clamp();
270 | }
271 |
272 | // (protected) r = this >> n
273 | function bnpRShiftTo(n,r) {
274 | r.s = this.s;
275 | var ds = Math.floor(n/this.DB);
276 | if(ds >= this.t) { r.t = 0; return; }
277 | var bs = n%this.DB;
278 | var cbs = this.DB-bs;
279 | var bm = (1<>bs;
281 | for(var i = ds+1; i < this.t; ++i) {
282 | r[i-ds-1] |= (this[i]&bm)<>bs;
284 | }
285 | if(bs > 0) r[this.t-ds-1] |= (this.s&bm)<>= this.DB;
297 | }
298 | if(a.t < this.t) {
299 | c -= a.s;
300 | while(i < this.t) {
301 | c += this[i];
302 | r[i++] = c&this.DM;
303 | c >>= this.DB;
304 | }
305 | c += this.s;
306 | }
307 | else {
308 | c += this.s;
309 | while(i < a.t) {
310 | c -= a[i];
311 | r[i++] = c&this.DM;
312 | c >>= this.DB;
313 | }
314 | c -= a.s;
315 | }
316 | r.s = (c<0)?-1:0;
317 | if(c < -1) r[i++] = this.DV+c;
318 | else if(c > 0) r[i++] = c;
319 | r.t = i;
320 | r.clamp();
321 | }
322 |
323 | // (protected) r = this * a, r != this,a (HAC 14.12)
324 | // "this" should be the larger one if appropriate.
325 | function bnpMultiplyTo(a,r) {
326 | var x = this.abs(), y = a.abs();
327 | var i = x.t;
328 | r.t = i+y.t;
329 | while(--i >= 0) r[i] = 0;
330 | for(i = 0; i < y.t; ++i) r[i+x.t] = x.am(0,y[i],r,i,0,x.t);
331 | r.s = 0;
332 | r.clamp();
333 | if(this.s != a.s) BigInteger.ZERO.subTo(r,r);
334 | }
335 |
336 | // (protected) r = this^2, r != this (HAC 14.16)
337 | function bnpSquareTo(r) {
338 | var x = this.abs();
339 | var i = r.t = 2*x.t;
340 | while(--i >= 0) r[i] = 0;
341 | for(i = 0; i < x.t-1; ++i) {
342 | var c = x.am(i,x[i],r,2*i,0,1);
343 | if((r[i+x.t]+=x.am(i+1,2*x[i],r,2*i+1,c,x.t-i-1)) >= x.DV) {
344 | r[i+x.t] -= x.DV;
345 | r[i+x.t+1] = 1;
346 | }
347 | }
348 | if(r.t > 0) r[r.t-1] += x.am(i,x[i],r,2*i,0,1);
349 | r.s = 0;
350 | r.clamp();
351 | }
352 |
353 | // (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
354 | // r != q, this != m. q or r may be null.
355 | function bnpDivRemTo(m,q,r) {
356 | var pm = m.abs();
357 | if(pm.t <= 0) return;
358 | var pt = this.abs();
359 | if(pt.t < pm.t) {
360 | if(q != null) q.fromInt(0);
361 | if(r != null) this.copyTo(r);
362 | return;
363 | }
364 | if(r == null) r = nbi();
365 | var y = nbi(), ts = this.s, ms = m.s;
366 | var nsh = this.DB-nbits(pm[pm.t-1]); // normalize modulus
367 | if(nsh > 0) { pm.lShiftTo(nsh,y); pt.lShiftTo(nsh,r); }
368 | else { pm.copyTo(y); pt.copyTo(r); }
369 | var ys = y.t;
370 | var y0 = y[ys-1];
371 | if(y0 == 0) return;
372 | var yt = y0*(1<1)?y[ys-2]>>this.F2:0);
373 | var d1 = this.FV/yt, d2 = (1<= 0) {
377 | r[r.t++] = 1;
378 | r.subTo(t,r);
379 | }
380 | BigInteger.ONE.dlShiftTo(ys,t);
381 | t.subTo(y,y); // "negative" y so we can replace sub with am later
382 | while(y.t < ys) y[y.t++] = 0;
383 | while(--j >= 0) {
384 | // Estimate quotient digit
385 | var qd = (r[--i]==y0)?this.DM:Math.floor(r[i]*d1+(r[i-1]+e)*d2);
386 | if((r[i]+=y.am(0,qd,r,j,0,ys)) < qd) { // Try it out
387 | y.dlShiftTo(j,t);
388 | r.subTo(t,r);
389 | while(r[i] < --qd) r.subTo(t,r);
390 | }
391 | }
392 | if(q != null) {
393 | r.drShiftTo(ys,q);
394 | if(ts != ms) BigInteger.ZERO.subTo(q,q);
395 | }
396 | r.t = ys;
397 | r.clamp();
398 | if(nsh > 0) r.rShiftTo(nsh,r); // Denormalize remainder
399 | if(ts < 0) BigInteger.ZERO.subTo(r,r);
400 | }
401 |
402 | // (public) this mod a
403 | function bnMod(a) {
404 | var r = nbi();
405 | this.abs().divRemTo(a,null,r);
406 | if(this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r,r);
407 | return r;
408 | }
409 |
410 | // Modular reduction using "classic" algorithm
411 | function Classic(m) { this.m = m; }
412 | function cConvert(x) {
413 | if(x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m);
414 | else return x;
415 | }
416 | function cRevert(x) { return x; }
417 | function cReduce(x) { x.divRemTo(this.m,null,x); }
418 | function cMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
419 | function cSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
420 |
421 | Classic.prototype.convert = cConvert;
422 | Classic.prototype.revert = cRevert;
423 | Classic.prototype.reduce = cReduce;
424 | Classic.prototype.mulTo = cMulTo;
425 | Classic.prototype.sqrTo = cSqrTo;
426 |
427 | // (protected) return "-1/this % 2^DB"; useful for Mont. reduction
428 | // justification:
429 | // xy == 1 (mod m)
430 | // xy = 1+km
431 | // xy(2-xy) = (1+km)(1-km)
432 | // x[y(2-xy)] = 1-k^2m^2
433 | // x[y(2-xy)] == 1 (mod m^2)
434 | // if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
435 | // should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
436 | // JS multiply "overflows" differently from C/C++, so care is needed here.
437 | function bnpInvDigit() {
438 | if(this.t < 1) return 0;
439 | var x = this[0];
440 | if((x&1) == 0) return 0;
441 | var y = x&3; // y == 1/x mod 2^2
442 | y = (y*(2-(x&0xf)*y))&0xf; // y == 1/x mod 2^4
443 | y = (y*(2-(x&0xff)*y))&0xff; // y == 1/x mod 2^8
444 | y = (y*(2-(((x&0xffff)*y)&0xffff)))&0xffff; // y == 1/x mod 2^16
445 | // last step - calculate inverse mod DV directly;
446 | // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
447 | y = (y*(2-x*y%this.DV))%this.DV; // y == 1/x mod 2^dbits
448 | // we really want the negative inverse, and -DV < y < DV
449 | return (y>0)?this.DV-y:-y;
450 | }
451 |
452 | // Montgomery reduction
453 | function Montgomery(m) {
454 | this.m = m;
455 | this.mp = m.invDigit();
456 | this.mpl = this.mp&0x7fff;
457 | this.mph = this.mp>>15;
458 | this.um = (1<<(m.DB-15))-1;
459 | this.mt2 = 2*m.t;
460 | }
461 |
462 | // xR mod m
463 | function montConvert(x) {
464 | var r = nbi();
465 | x.abs().dlShiftTo(this.m.t,r);
466 | r.divRemTo(this.m,null,r);
467 | if(x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r,r);
468 | return r;
469 | }
470 |
471 | // x/R mod m
472 | function montRevert(x) {
473 | var r = nbi();
474 | x.copyTo(r);
475 | this.reduce(r);
476 | return r;
477 | }
478 |
479 | // x = x/R mod m (HAC 14.32)
480 | function montReduce(x) {
481 | while(x.t <= this.mt2) // pad x so am has enough room later
482 | x[x.t++] = 0;
483 | for(var i = 0; i < this.m.t; ++i) {
484 | // faster way of calculating u0 = x[i]*mp mod DV
485 | var j = x[i]&0x7fff;
486 | var u0 = (j*this.mpl+(((j*this.mph+(x[i]>>15)*this.mpl)&this.um)<<15))&x.DM;
487 | // use am to combine the multiply-shift-add into one call
488 | j = i+this.m.t;
489 | x[j] += this.m.am(0,u0,x,i,0,this.m.t);
490 | // propagate carry
491 | while(x[j] >= x.DV) { x[j] -= x.DV; x[++j]++; }
492 | }
493 | x.clamp();
494 | x.drShiftTo(this.m.t,x);
495 | if(x.compareTo(this.m) >= 0) x.subTo(this.m,x);
496 | }
497 |
498 | // r = "x^2/R mod m"; x != r
499 | function montSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
500 |
501 | // r = "xy/R mod m"; x,y != r
502 | function montMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
503 |
504 | Montgomery.prototype.convert = montConvert;
505 | Montgomery.prototype.revert = montRevert;
506 | Montgomery.prototype.reduce = montReduce;
507 | Montgomery.prototype.mulTo = montMulTo;
508 | Montgomery.prototype.sqrTo = montSqrTo;
509 |
510 | // (protected) true iff this is even
511 | function bnpIsEven() { return ((this.t>0)?(this[0]&1):this.s) == 0; }
512 |
513 | // (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
514 | function bnpExp(e,z) {
515 | if(e > 0xffffffff || e < 1) return BigInteger.ONE;
516 | var r = nbi(), r2 = nbi(), g = z.convert(this), i = nbits(e)-1;
517 | g.copyTo(r);
518 | while(--i >= 0) {
519 | z.sqrTo(r,r2);
520 | if((e&(1< 0) z.mulTo(r2,g,r);
521 | else { var t = r; r = r2; r2 = t; }
522 | }
523 | return z.revert(r);
524 | }
525 |
526 | // (public) this^e % m, 0 <= e < 2^32
527 | function bnModPowInt(e,m) {
528 | var z;
529 | if(e < 256 || m.isEven()) z = new Classic(m); else z = new Montgomery(m);
530 | return this.exp(e,z);
531 | }
532 |
533 | // protected
534 | BigInteger.prototype.copyTo = bnpCopyTo;
535 | BigInteger.prototype.fromInt = bnpFromInt;
536 | BigInteger.prototype.fromString = bnpFromString;
537 | BigInteger.prototype.clamp = bnpClamp;
538 | BigInteger.prototype.dlShiftTo = bnpDLShiftTo;
539 | BigInteger.prototype.drShiftTo = bnpDRShiftTo;
540 | BigInteger.prototype.lShiftTo = bnpLShiftTo;
541 | BigInteger.prototype.rShiftTo = bnpRShiftTo;
542 | BigInteger.prototype.subTo = bnpSubTo;
543 | BigInteger.prototype.multiplyTo = bnpMultiplyTo;
544 | BigInteger.prototype.squareTo = bnpSquareTo;
545 | BigInteger.prototype.divRemTo = bnpDivRemTo;
546 | BigInteger.prototype.invDigit = bnpInvDigit;
547 | BigInteger.prototype.isEven = bnpIsEven;
548 | BigInteger.prototype.exp = bnpExp;
549 |
550 | // public
551 | BigInteger.prototype.toString = bnToString;
552 | BigInteger.prototype.negate = bnNegate;
553 | BigInteger.prototype.abs = bnAbs;
554 | BigInteger.prototype.compareTo = bnCompareTo;
555 | BigInteger.prototype.bitLength = bnBitLength;
556 | BigInteger.prototype.mod = bnMod;
557 | BigInteger.prototype.modPowInt = bnModPowInt;
558 |
559 | // "constants"
560 | BigInteger.ZERO = nbv(0);
561 | BigInteger.ONE = nbv(1);
562 | // Copyright (c) 2005-2009 Tom Wu
563 | // All Rights Reserved.
564 | // See "LICENSE" for details.
565 |
566 | // Extended JavaScript BN functions, required for RSA private ops.
567 |
568 | // Version 1.1: new BigInteger("0", 10) returns "proper" zero
569 | // Version 1.2: square() API, isProbablePrime fix
570 |
571 | // (public)
572 | function bnClone() { var r = nbi(); this.copyTo(r); return r; }
573 |
574 | // (public) return value as integer
575 | function bnIntValue() {
576 | if(this.s < 0) {
577 | if(this.t == 1) return this[0]-this.DV;
578 | else if(this.t == 0) return -1;
579 | }
580 | else if(this.t == 1) return this[0];
581 | else if(this.t == 0) return 0;
582 | // assumes 16 < DB < 32
583 | return ((this[1]&((1<<(32-this.DB))-1))<>24; }
588 |
589 | // (public) return value as short (assumes DB>=16)
590 | function bnShortValue() { return (this.t==0)?this.s:(this[0]<<16)>>16; }
591 |
592 | // (protected) return x s.t. r^x < DV
593 | function bnpChunkSize(r) { return Math.floor(Math.LN2*this.DB/Math.log(r)); }
594 |
595 | // (public) 0 if this == 0, 1 if this > 0
596 | function bnSigNum() {
597 | if(this.s < 0) return -1;
598 | else if(this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0;
599 | else return 1;
600 | }
601 |
602 | // (protected) convert to radix string
603 | function bnpToRadix(b) {
604 | if(b == null) b = 10;
605 | if(this.signum() == 0 || b < 2 || b > 36) return "0";
606 | var cs = this.chunkSize(b);
607 | var a = Math.pow(b,cs);
608 | var d = nbv(a), y = nbi(), z = nbi(), r = "";
609 | this.divRemTo(d,y,z);
610 | while(y.signum() > 0) {
611 | r = (a+z.intValue()).toString(b).substr(1) + r;
612 | y.divRemTo(d,y,z);
613 | }
614 | return z.intValue().toString(b) + r;
615 | }
616 |
617 | // (protected) convert from radix string
618 | function bnpFromRadix(s,b) {
619 | this.fromInt(0);
620 | if(b == null) b = 10;
621 | var cs = this.chunkSize(b);
622 | var d = Math.pow(b,cs), mi = false, j = 0, w = 0;
623 | for(var i = 0; i < s.length; ++i) {
624 | var x = intAt(s,i);
625 | if(x < 0) {
626 | if(s.charAt(i) == "-" && this.signum() == 0) mi = true;
627 | continue;
628 | }
629 | w = b*w+x;
630 | if(++j >= cs) {
631 | this.dMultiply(d);
632 | this.dAddOffset(w,0);
633 | j = 0;
634 | w = 0;
635 | }
636 | }
637 | if(j > 0) {
638 | this.dMultiply(Math.pow(b,j));
639 | this.dAddOffset(w,0);
640 | }
641 | if(mi) BigInteger.ZERO.subTo(this,this);
642 | }
643 |
644 | // (protected) alternate constructor
645 | function bnpFromNumber(a,b,c) {
646 | if("number" == typeof b) {
647 | // new BigInteger(int,int,RNG)
648 | if(a < 2) this.fromInt(1);
649 | else {
650 | this.fromNumber(a,c);
651 | if(!this.testBit(a-1)) // force MSB set
652 | this.bitwiseTo(BigInteger.ONE.shiftLeft(a-1),op_or,this);
653 | if(this.isEven()) this.dAddOffset(1,0); // force odd
654 | while(!this.isProbablePrime(b)) {
655 | this.dAddOffset(2,0);
656 | if(this.bitLength() > a) this.subTo(BigInteger.ONE.shiftLeft(a-1),this);
657 | }
658 | }
659 | }
660 | else {
661 | // new BigInteger(int,RNG)
662 | var x = new Array(), t = a&7;
663 | x.length = (a>>3)+1;
664 | b.nextBytes(x);
665 | if(t > 0) x[0] &= ((1< 0) {
676 | if(p < this.DB && (d = this[i]>>p) != (this.s&this.DM)>>p)
677 | r[k++] = d|(this.s<<(this.DB-p));
678 | while(i >= 0) {
679 | if(p < 8) {
680 | d = (this[i]&((1<>(p+=this.DB-8);
682 | }
683 | else {
684 | d = (this[i]>>(p-=8))&0xff;
685 | if(p <= 0) { p += this.DB; --i; }
686 | }
687 | if((d&0x80) != 0) d |= -256;
688 | if(k == 0 && (this.s&0x80) != (d&0x80)) ++k;
689 | if(k > 0 || d != this.s) r[k++] = d;
690 | }
691 | }
692 | return r;
693 | }
694 |
695 | function bnEquals(a) { return(this.compareTo(a)==0); }
696 | function bnMin(a) { return(this.compareTo(a)<0)?this:a; }
697 | function bnMax(a) { return(this.compareTo(a)>0)?this:a; }
698 |
699 | // (protected) r = this op a (bitwise)
700 | function bnpBitwiseTo(a,op,r) {
701 | var i, f, m = Math.min(a.t,this.t);
702 | for(i = 0; i < m; ++i) r[i] = op(this[i],a[i]);
703 | if(a.t < this.t) {
704 | f = a.s&this.DM;
705 | for(i = m; i < this.t; ++i) r[i] = op(this[i],f);
706 | r.t = this.t;
707 | }
708 | else {
709 | f = this.s&this.DM;
710 | for(i = m; i < a.t; ++i) r[i] = op(f,a[i]);
711 | r.t = a.t;
712 | }
713 | r.s = op(this.s,a.s);
714 | r.clamp();
715 | }
716 |
717 | // (public) this & a
718 | function op_and(x,y) { return x&y; }
719 | function bnAnd(a) { var r = nbi(); this.bitwiseTo(a,op_and,r); return r; }
720 |
721 | // (public) this | a
722 | function op_or(x,y) { return x|y; }
723 | function bnOr(a) { var r = nbi(); this.bitwiseTo(a,op_or,r); return r; }
724 |
725 | // (public) this ^ a
726 | function op_xor(x,y) { return x^y; }
727 | function bnXor(a) { var r = nbi(); this.bitwiseTo(a,op_xor,r); return r; }
728 |
729 | // (public) this & ~a
730 | function op_andnot(x,y) { return x&~y; }
731 | function bnAndNot(a) { var r = nbi(); this.bitwiseTo(a,op_andnot,r); return r; }
732 |
733 | // (public) ~this
734 | function bnNot() {
735 | var r = nbi();
736 | for(var i = 0; i < this.t; ++i) r[i] = this.DM&~this[i];
737 | r.t = this.t;
738 | r.s = ~this.s;
739 | return r;
740 | }
741 |
742 | // (public) this << n
743 | function bnShiftLeft(n) {
744 | var r = nbi();
745 | if(n < 0) this.rShiftTo(-n,r); else this.lShiftTo(n,r);
746 | return r;
747 | }
748 |
749 | // (public) this >> n
750 | function bnShiftRight(n) {
751 | var r = nbi();
752 | if(n < 0) this.lShiftTo(-n,r); else this.rShiftTo(n,r);
753 | return r;
754 | }
755 |
756 | // return index of lowest 1-bit in x, x < 2^31
757 | function lbit(x) {
758 | if(x == 0) return -1;
759 | var r = 0;
760 | if((x&0xffff) == 0) { x >>= 16; r += 16; }
761 | if((x&0xff) == 0) { x >>= 8; r += 8; }
762 | if((x&0xf) == 0) { x >>= 4; r += 4; }
763 | if((x&3) == 0) { x >>= 2; r += 2; }
764 | if((x&1) == 0) ++r;
765 | return r;
766 | }
767 |
768 | // (public) returns index of lowest 1-bit (or -1 if none)
769 | function bnGetLowestSetBit() {
770 | for(var i = 0; i < this.t; ++i)
771 | if(this[i] != 0) return i*this.DB+lbit(this[i]);
772 | if(this.s < 0) return this.t*this.DB;
773 | return -1;
774 | }
775 |
776 | // return number of 1 bits in x
777 | function cbit(x) {
778 | var r = 0;
779 | while(x != 0) { x &= x-1; ++r; }
780 | return r;
781 | }
782 |
783 | // (public) return number of set bits
784 | function bnBitCount() {
785 | var r = 0, x = this.s&this.DM;
786 | for(var i = 0; i < this.t; ++i) r += cbit(this[i]^x);
787 | return r;
788 | }
789 |
790 | // (public) true iff nth bit is set
791 | function bnTestBit(n) {
792 | var j = Math.floor(n/this.DB);
793 | if(j >= this.t) return(this.s!=0);
794 | return((this[j]&(1<<(n%this.DB)))!=0);
795 | }
796 |
797 | // (protected) this op (1<>= this.DB;
820 | }
821 | if(a.t < this.t) {
822 | c += a.s;
823 | while(i < this.t) {
824 | c += this[i];
825 | r[i++] = c&this.DM;
826 | c >>= this.DB;
827 | }
828 | c += this.s;
829 | }
830 | else {
831 | c += this.s;
832 | while(i < a.t) {
833 | c += a[i];
834 | r[i++] = c&this.DM;
835 | c >>= this.DB;
836 | }
837 | c += a.s;
838 | }
839 | r.s = (c<0)?-1:0;
840 | if(c > 0) r[i++] = c;
841 | else if(c < -1) r[i++] = this.DV+c;
842 | r.t = i;
843 | r.clamp();
844 | }
845 |
846 | // (public) this + a
847 | function bnAdd(a) { var r = nbi(); this.addTo(a,r); return r; }
848 |
849 | // (public) this - a
850 | function bnSubtract(a) { var r = nbi(); this.subTo(a,r); return r; }
851 |
852 | // (public) this * a
853 | function bnMultiply(a) { var r = nbi(); this.multiplyTo(a,r); return r; }
854 |
855 | // (public) this^2
856 | function bnSquare() { var r = nbi(); this.squareTo(r); return r; }
857 |
858 | // (public) this / a
859 | function bnDivide(a) { var r = nbi(); this.divRemTo(a,r,null); return r; }
860 |
861 | // (public) this % a
862 | function bnRemainder(a) { var r = nbi(); this.divRemTo(a,null,r); return r; }
863 |
864 | // (public) [this/a,this%a]
865 | function bnDivideAndRemainder(a) {
866 | var q = nbi(), r = nbi();
867 | this.divRemTo(a,q,r);
868 | return new Array(q,r);
869 | }
870 |
871 | // (protected) this *= n, this >= 0, 1 < n < DV
872 | function bnpDMultiply(n) {
873 | this[this.t] = this.am(0,n-1,this,0,0,this.t);
874 | ++this.t;
875 | this.clamp();
876 | }
877 |
878 | // (protected) this += n << w words, this >= 0
879 | function bnpDAddOffset(n,w) {
880 | if(n == 0) return;
881 | while(this.t <= w) this[this.t++] = 0;
882 | this[w] += n;
883 | while(this[w] >= this.DV) {
884 | this[w] -= this.DV;
885 | if(++w >= this.t) this[this.t++] = 0;
886 | ++this[w];
887 | }
888 | }
889 |
890 | // A "null" reducer
891 | function NullExp() {}
892 | function nNop(x) { return x; }
893 | function nMulTo(x,y,r) { x.multiplyTo(y,r); }
894 | function nSqrTo(x,r) { x.squareTo(r); }
895 |
896 | NullExp.prototype.convert = nNop;
897 | NullExp.prototype.revert = nNop;
898 | NullExp.prototype.mulTo = nMulTo;
899 | NullExp.prototype.sqrTo = nSqrTo;
900 |
901 | // (public) this^e
902 | function bnPow(e) { return this.exp(e,new NullExp()); }
903 |
904 | // (protected) r = lower n words of "this * a", a.t <= n
905 | // "this" should be the larger one if appropriate.
906 | function bnpMultiplyLowerTo(a,n,r) {
907 | var i = Math.min(this.t+a.t,n);
908 | r.s = 0; // assumes a,this >= 0
909 | r.t = i;
910 | while(i > 0) r[--i] = 0;
911 | var j;
912 | for(j = r.t-this.t; i < j; ++i) r[i+this.t] = this.am(0,a[i],r,i,0,this.t);
913 | for(j = Math.min(a.t,n); i < j; ++i) this.am(0,a[i],r,i,0,n-i);
914 | r.clamp();
915 | }
916 |
917 | // (protected) r = "this * a" without lower n words, n > 0
918 | // "this" should be the larger one if appropriate.
919 | function bnpMultiplyUpperTo(a,n,r) {
920 | --n;
921 | var i = r.t = this.t+a.t-n;
922 | r.s = 0; // assumes a,this >= 0
923 | while(--i >= 0) r[i] = 0;
924 | for(i = Math.max(n-this.t,0); i < a.t; ++i)
925 | r[this.t+i-n] = this.am(n-i,a[i],r,0,0,this.t+i-n);
926 | r.clamp();
927 | r.drShiftTo(1,r);
928 | }
929 |
930 | // Barrett modular reduction
931 | function Barrett(m) {
932 | // setup Barrett
933 | this.r2 = nbi();
934 | this.q3 = nbi();
935 | BigInteger.ONE.dlShiftTo(2*m.t,this.r2);
936 | this.mu = this.r2.divide(m);
937 | this.m = m;
938 | }
939 |
940 | function barrettConvert(x) {
941 | if(x.s < 0 || x.t > 2*this.m.t) return x.mod(this.m);
942 | else if(x.compareTo(this.m) < 0) return x;
943 | else { var r = nbi(); x.copyTo(r); this.reduce(r); return r; }
944 | }
945 |
946 | function barrettRevert(x) { return x; }
947 |
948 | // x = x mod m (HAC 14.42)
949 | function barrettReduce(x) {
950 | x.drShiftTo(this.m.t-1,this.r2);
951 | if(x.t > this.m.t+1) { x.t = this.m.t+1; x.clamp(); }
952 | this.mu.multiplyUpperTo(this.r2,this.m.t+1,this.q3);
953 | this.m.multiplyLowerTo(this.q3,this.m.t+1,this.r2);
954 | while(x.compareTo(this.r2) < 0) x.dAddOffset(1,this.m.t+1);
955 | x.subTo(this.r2,x);
956 | while(x.compareTo(this.m) >= 0) x.subTo(this.m,x);
957 | }
958 |
959 | // r = x^2 mod m; x != r
960 | function barrettSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
961 |
962 | // r = x*y mod m; x,y != r
963 | function barrettMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
964 |
965 | Barrett.prototype.convert = barrettConvert;
966 | Barrett.prototype.revert = barrettRevert;
967 | Barrett.prototype.reduce = barrettReduce;
968 | Barrett.prototype.mulTo = barrettMulTo;
969 | Barrett.prototype.sqrTo = barrettSqrTo;
970 |
971 | // (public) this^e % m (HAC 14.85)
972 | function bnModPow(e,m) {
973 | var i = e.bitLength(), k, r = nbv(1), z;
974 | if(i <= 0) return r;
975 | else if(i < 18) k = 1;
976 | else if(i < 48) k = 3;
977 | else if(i < 144) k = 4;
978 | else if(i < 768) k = 5;
979 | else k = 6;
980 | if(i < 8)
981 | z = new Classic(m);
982 | else if(m.isEven())
983 | z = new Barrett(m);
984 | else
985 | z = new Montgomery(m);
986 |
987 | // precomputation
988 | var g = new Array(), n = 3, k1 = k-1, km = (1< 1) {
991 | var g2 = nbi();
992 | z.sqrTo(g[1],g2);
993 | while(n <= km) {
994 | g[n] = nbi();
995 | z.mulTo(g2,g[n-2],g[n]);
996 | n += 2;
997 | }
998 | }
999 |
1000 | var j = e.t-1, w, is1 = true, r2 = nbi(), t;
1001 | i = nbits(e[j])-1;
1002 | while(j >= 0) {
1003 | if(i >= k1) w = (e[j]>>(i-k1))&km;
1004 | else {
1005 | w = (e[j]&((1<<(i+1))-1))<<(k1-i);
1006 | if(j > 0) w |= e[j-1]>>(this.DB+i-k1);
1007 | }
1008 |
1009 | n = k;
1010 | while((w&1) == 0) { w >>= 1; --n; }
1011 | if((i -= n) < 0) { i += this.DB; --j; }
1012 | if(is1) { // ret == 1, don't bother squaring or multiplying it
1013 | g[w].copyTo(r);
1014 | is1 = false;
1015 | }
1016 | else {
1017 | while(n > 1) { z.sqrTo(r,r2); z.sqrTo(r2,r); n -= 2; }
1018 | if(n > 0) z.sqrTo(r,r2); else { t = r; r = r2; r2 = t; }
1019 | z.mulTo(r2,g[w],r);
1020 | }
1021 |
1022 | while(j >= 0 && (e[j]&(1< 0) {
1039 | x.rShiftTo(g,x);
1040 | y.rShiftTo(g,y);
1041 | }
1042 | while(x.signum() > 0) {
1043 | if((i = x.getLowestSetBit()) > 0) x.rShiftTo(i,x);
1044 | if((i = y.getLowestSetBit()) > 0) y.rShiftTo(i,y);
1045 | if(x.compareTo(y) >= 0) {
1046 | x.subTo(y,x);
1047 | x.rShiftTo(1,x);
1048 | }
1049 | else {
1050 | y.subTo(x,y);
1051 | y.rShiftTo(1,y);
1052 | }
1053 | }
1054 | if(g > 0) y.lShiftTo(g,y);
1055 | return y;
1056 | }
1057 |
1058 | // (protected) this % n, n < 2^26
1059 | function bnpModInt(n) {
1060 | if(n <= 0) return 0;
1061 | var d = this.DV%n, r = (this.s<0)?n-1:0;
1062 | if(this.t > 0)
1063 | if(d == 0) r = this[0]%n;
1064 | else for(var i = this.t-1; i >= 0; --i) r = (d*r+this[i])%n;
1065 | return r;
1066 | }
1067 |
1068 | // (public) 1/this % m (HAC 14.61)
1069 | function bnModInverse(m) {
1070 | var ac = m.isEven();
1071 | if((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO;
1072 | var u = m.clone(), v = this.clone();
1073 | var a = nbv(1), b = nbv(0), c = nbv(0), d = nbv(1);
1074 | while(u.signum() != 0) {
1075 | while(u.isEven()) {
1076 | u.rShiftTo(1,u);
1077 | if(ac) {
1078 | if(!a.isEven() || !b.isEven()) { a.addTo(this,a); b.subTo(m,b); }
1079 | a.rShiftTo(1,a);
1080 | }
1081 | else if(!b.isEven()) b.subTo(m,b);
1082 | b.rShiftTo(1,b);
1083 | }
1084 | while(v.isEven()) {
1085 | v.rShiftTo(1,v);
1086 | if(ac) {
1087 | if(!c.isEven() || !d.isEven()) { c.addTo(this,c); d.subTo(m,d); }
1088 | c.rShiftTo(1,c);
1089 | }
1090 | else if(!d.isEven()) d.subTo(m,d);
1091 | d.rShiftTo(1,d);
1092 | }
1093 | if(u.compareTo(v) >= 0) {
1094 | u.subTo(v,u);
1095 | if(ac) a.subTo(c,a);
1096 | b.subTo(d,b);
1097 | }
1098 | else {
1099 | v.subTo(u,v);
1100 | if(ac) c.subTo(a,c);
1101 | d.subTo(b,d);
1102 | }
1103 | }
1104 | if(v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO;
1105 | if(d.compareTo(m) >= 0) return d.subtract(m);
1106 | if(d.signum() < 0) d.addTo(m,d); else return d;
1107 | if(d.signum() < 0) return d.add(m); else return d;
1108 | }
1109 |
1110 | var lowprimes = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499,503,509,521,523,541,547,557,563,569,571,577,587,593,599,601,607,613,617,619,631,641,643,647,653,659,661,673,677,683,691,701,709,719,727,733,739,743,751,757,761,769,773,787,797,809,811,821,823,827,829,839,853,857,859,863,877,881,883,887,907,911,919,929,937,941,947,953,967,971,977,983,991,997];
1111 | var lplim = (1<<26)/lowprimes[lowprimes.length-1];
1112 |
1113 | // (public) test primality with certainty >= 1-.5^t
1114 | function bnIsProbablePrime(t) {
1115 | var i, x = this.abs();
1116 | if(x.t == 1 && x[0] <= lowprimes[lowprimes.length-1]) {
1117 | for(i = 0; i < lowprimes.length; ++i)
1118 | if(x[0] == lowprimes[i]) return true;
1119 | return false;
1120 | }
1121 | if(x.isEven()) return false;
1122 | i = 1;
1123 | while(i < lowprimes.length) {
1124 | var m = lowprimes[i], j = i+1;
1125 | while(j < lowprimes.length && m < lplim) m *= lowprimes[j++];
1126 | m = x.modInt(m);
1127 | while(i < j) if(m%lowprimes[i++] == 0) return false;
1128 | }
1129 | return x.millerRabin(t);
1130 | }
1131 |
1132 | // (protected) true if probably prime (HAC 4.24, Miller-Rabin)
1133 | function bnpMillerRabin(t) {
1134 | var n1 = this.subtract(BigInteger.ONE);
1135 | var k = n1.getLowestSetBit();
1136 | if(k <= 0) return false;
1137 | var r = n1.shiftRight(k);
1138 | t = (t+1)>>1;
1139 | if(t > lowprimes.length) t = lowprimes.length;
1140 | var a = nbi();
1141 | for(var i = 0; i < t; ++i) {
1142 | //Pick bases at random, instead of starting at 2
1143 | a.fromInt(lowprimes[Math.floor(Math.random()*lowprimes.length)]);
1144 | var y = a.modPow(r,this);
1145 | if(y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
1146 | var j = 1;
1147 | while(j++ < k && y.compareTo(n1) != 0) {
1148 | y = y.modPowInt(2,this);
1149 | if(y.compareTo(BigInteger.ONE) == 0) return false;
1150 | }
1151 | if(y.compareTo(n1) != 0) return false;
1152 | }
1153 | }
1154 | return true;
1155 | }
1156 |
1157 | // protected
1158 | BigInteger.prototype.chunkSize = bnpChunkSize;
1159 | BigInteger.prototype.toRadix = bnpToRadix;
1160 | BigInteger.prototype.fromRadix = bnpFromRadix;
1161 | BigInteger.prototype.fromNumber = bnpFromNumber;
1162 | BigInteger.prototype.bitwiseTo = bnpBitwiseTo;
1163 | BigInteger.prototype.changeBit = bnpChangeBit;
1164 | BigInteger.prototype.addTo = bnpAddTo;
1165 | BigInteger.prototype.dMultiply = bnpDMultiply;
1166 | BigInteger.prototype.dAddOffset = bnpDAddOffset;
1167 | BigInteger.prototype.multiplyLowerTo = bnpMultiplyLowerTo;
1168 | BigInteger.prototype.multiplyUpperTo = bnpMultiplyUpperTo;
1169 | BigInteger.prototype.modInt = bnpModInt;
1170 | BigInteger.prototype.millerRabin = bnpMillerRabin;
1171 |
1172 | // public
1173 | BigInteger.prototype.clone = bnClone;
1174 | BigInteger.prototype.intValue = bnIntValue;
1175 | BigInteger.prototype.byteValue = bnByteValue;
1176 | BigInteger.prototype.shortValue = bnShortValue;
1177 | BigInteger.prototype.signum = bnSigNum;
1178 | BigInteger.prototype.toByteArray = bnToByteArray;
1179 | BigInteger.prototype.equals = bnEquals;
1180 | BigInteger.prototype.min = bnMin;
1181 | BigInteger.prototype.max = bnMax;
1182 | BigInteger.prototype.and = bnAnd;
1183 | BigInteger.prototype.or = bnOr;
1184 | BigInteger.prototype.xor = bnXor;
1185 | BigInteger.prototype.andNot = bnAndNot;
1186 | BigInteger.prototype.not = bnNot;
1187 | BigInteger.prototype.shiftLeft = bnShiftLeft;
1188 | BigInteger.prototype.shiftRight = bnShiftRight;
1189 | BigInteger.prototype.getLowestSetBit = bnGetLowestSetBit;
1190 | BigInteger.prototype.bitCount = bnBitCount;
1191 | BigInteger.prototype.testBit = bnTestBit;
1192 | BigInteger.prototype.setBit = bnSetBit;
1193 | BigInteger.prototype.clearBit = bnClearBit;
1194 | BigInteger.prototype.flipBit = bnFlipBit;
1195 | BigInteger.prototype.add = bnAdd;
1196 | BigInteger.prototype.subtract = bnSubtract;
1197 | BigInteger.prototype.multiply = bnMultiply;
1198 | BigInteger.prototype.divide = bnDivide;
1199 | BigInteger.prototype.remainder = bnRemainder;
1200 | BigInteger.prototype.divideAndRemainder = bnDivideAndRemainder;
1201 | BigInteger.prototype.modPow = bnModPow;
1202 | BigInteger.prototype.modInverse = bnModInverse;
1203 | BigInteger.prototype.pow = bnPow;
1204 | BigInteger.prototype.gcd = bnGCD;
1205 | BigInteger.prototype.isProbablePrime = bnIsProbablePrime;
1206 |
1207 | // JSBN-specific extension
1208 | BigInteger.prototype.square = bnSquare;
1209 |
1210 | // BigInteger interfaces not implemented in jsbn:
1211 |
1212 | // BigInteger(int signum, byte[] magnitude)
1213 | // double doubleValue()
1214 | // float floatValue()
1215 | // int hashCode()
1216 | // long longValue()
1217 | // static BigInteger valueOf(long val)
1218 | // prng4.js - uses Arcfour as a PRNG
1219 |
1220 | function Arcfour() {
1221 | this.i = 0;
1222 | this.j = 0;
1223 | this.S = new Array();
1224 | }
1225 |
1226 | // Initialize arcfour context from key, an array of ints, each from [0..255]
1227 | function ARC4init(key) {
1228 | var i, j, t;
1229 | for(i = 0; i < 256; ++i)
1230 | this.S[i] = i;
1231 | j = 0;
1232 | for(i = 0; i < 256; ++i) {
1233 | j = (j + this.S[i] + key[i % key.length]) & 255;
1234 | t = this.S[i];
1235 | this.S[i] = this.S[j];
1236 | this.S[j] = t;
1237 | }
1238 | this.i = 0;
1239 | this.j = 0;
1240 | }
1241 |
1242 | function ARC4next() {
1243 | var t;
1244 | this.i = (this.i + 1) & 255;
1245 | this.j = (this.j + this.S[this.i]) & 255;
1246 | t = this.S[this.i];
1247 | this.S[this.i] = this.S[this.j];
1248 | this.S[this.j] = t;
1249 | return this.S[(t + this.S[this.i]) & 255];
1250 | }
1251 |
1252 | Arcfour.prototype.init = ARC4init;
1253 | Arcfour.prototype.next = ARC4next;
1254 |
1255 | // Plug in your RNG constructor here
1256 | function prng_newstate() {
1257 | return new Arcfour();
1258 | }
1259 |
1260 | // Pool size must be a multiple of 4 and greater than 32.
1261 | // An array of bytes the size of the pool will be passed to init()
1262 | var rng_psize = 256;
1263 | // Random number generator - requires a PRNG backend, e.g. prng4.js
1264 | var rng_state;
1265 | var rng_pool;
1266 | var rng_pptr;
1267 |
1268 | // Initialize the pool with junk if needed.
1269 | if(rng_pool == null) {
1270 | rng_pool = new Array();
1271 | rng_pptr = 0;
1272 | var t;
1273 | if(window.crypto && window.crypto.getRandomValues) {
1274 | // Extract entropy (2048 bits) from RNG if available
1275 | var z = new Uint32Array(256);
1276 | window.crypto.getRandomValues(z);
1277 | for (t = 0; t < z.length; ++t)
1278 | rng_pool[rng_pptr++] = z[t] & 255;
1279 | }
1280 |
1281 | // Use mouse events for entropy, if we do not have enough entropy by the time
1282 | // we need it, entropy will be generated by Math.random.
1283 | var onMouseMoveListener = function(ev) {
1284 | this.count = this.count || 0;
1285 | if (this.count >= 256 || rng_pptr >= rng_psize) {
1286 | if (window.removeEventListener)
1287 | window.removeEventListener("mousemove", onMouseMoveListener);
1288 | else if (window.detachEvent)
1289 | window.detachEvent("onmousemove", onMouseMoveListener);
1290 | return;
1291 | }
1292 | this.count += 1;
1293 | var mouseCoordinates = ev.x + ev.y;
1294 | rng_pool[rng_pptr++] = mouseCoordinates & 255;
1295 | };
1296 | if (window.addEventListener)
1297 | window.addEventListener("mousemove", onMouseMoveListener);
1298 | else if (window.attachEvent)
1299 | window.attachEvent("onmousemove", onMouseMoveListener);
1300 |
1301 | }
1302 |
1303 | function rng_get_byte() {
1304 | if(rng_state == null) {
1305 | rng_state = prng_newstate();
1306 | // At this point, we may not have collected enough entropy. If not, fall back to Math.random
1307 | while (rng_pptr < rng_psize) {
1308 | var random = Math.floor(65536 * Math.random());
1309 | rng_pool[rng_pptr++] = random & 255;
1310 | }
1311 | rng_state.init(rng_pool);
1312 | for(rng_pptr = 0; rng_pptr < rng_pool.length; ++rng_pptr)
1313 | rng_pool[rng_pptr] = 0;
1314 | rng_pptr = 0;
1315 | }
1316 | // TODO: allow reseeding after first request
1317 | return rng_state.next();
1318 | }
1319 |
1320 | function rng_get_bytes(ba) {
1321 | var i;
1322 | for(i = 0; i < ba.length; ++i) ba[i] = rng_get_byte();
1323 | }
1324 |
1325 | function SecureRandom() {}
1326 |
1327 | SecureRandom.prototype.nextBytes = rng_get_bytes;
1328 | // Depends on jsbn.js and rng.js
1329 |
1330 | // Version 1.1: support utf-8 encoding in pkcs1pad2
1331 |
1332 | // convert a (hex) string to a bignum object
1333 | function parseBigInt(str,r) {
1334 | return new BigInteger(str,r);
1335 | }
1336 |
1337 | function linebrk(s,n) {
1338 | var ret = "";
1339 | var i = 0;
1340 | while(i + n < s.length) {
1341 | ret += s.substring(i,i+n) + "\n";
1342 | i += n;
1343 | }
1344 | return ret + s.substring(i,s.length);
1345 | }
1346 |
1347 | function byte2Hex(b) {
1348 | if(b < 0x10)
1349 | return "0" + b.toString(16);
1350 | else
1351 | return b.toString(16);
1352 | }
1353 |
1354 | // PKCS#1 (type 2, random) pad input string s to n bytes, and return a bigint
1355 | function pkcs1pad2(s,n) {
1356 | if(n < s.length + 11) { // TODO: fix for utf-8
1357 | console.error("Message too long for RSA");
1358 | return null;
1359 | }
1360 | var ba = new Array();
1361 | var i = s.length - 1;
1362 | while(i >= 0 && n > 0) {
1363 | var c = s.charCodeAt(i--);
1364 | if(c < 128) { // encode using utf-8
1365 | ba[--n] = c;
1366 | }
1367 | else if((c > 127) && (c < 2048)) {
1368 | ba[--n] = (c & 63) | 128;
1369 | ba[--n] = (c >> 6) | 192;
1370 | }
1371 | else {
1372 | ba[--n] = (c & 63) | 128;
1373 | ba[--n] = ((c >> 6) & 63) | 128;
1374 | ba[--n] = (c >> 12) | 224;
1375 | }
1376 | }
1377 | ba[--n] = 0;
1378 | var rng = new SecureRandom();
1379 | var x = new Array();
1380 | while(n > 2) { // random non-zero pad
1381 | x[0] = 0;
1382 | while(x[0] == 0) rng.nextBytes(x);
1383 | ba[--n] = x[0];
1384 | }
1385 | ba[--n] = 2;
1386 | ba[--n] = 0;
1387 | return new BigInteger(ba);
1388 | }
1389 |
1390 | // "empty" RSA key constructor
1391 | function RSAKey() {
1392 | this.n = null;
1393 | this.e = 0;
1394 | this.d = null;
1395 | this.p = null;
1396 | this.q = null;
1397 | this.dmp1 = null;
1398 | this.dmq1 = null;
1399 | this.coeff = null;
1400 | }
1401 |
1402 | // Set the public key fields N and e from hex strings
1403 | function RSASetPublic(N,E) {
1404 | if(N != null && E != null && N.length > 0 && E.length > 0) {
1405 | this.n = parseBigInt(N,16);
1406 | this.e = parseInt(E,16);
1407 | }
1408 | else
1409 | console.error("Invalid RSA public key");
1410 | }
1411 |
1412 | // Perform raw public operation on "x": return x^e (mod n)
1413 | function RSADoPublic(x) {
1414 | return x.modPowInt(this.e, this.n);
1415 | }
1416 |
1417 | // Return the PKCS#1 RSA encryption of "text" as an even-length hex string
1418 | function RSAEncrypt(text) {
1419 | var m = pkcs1pad2(text,(this.n.bitLength()+7)>>3);
1420 | if(m == null) return null;
1421 | var c = this.doPublic(m);
1422 | if(c == null) return null;
1423 | var h = c.toString(16);
1424 | if((h.length & 1) == 0) return h; else return "0" + h;
1425 | }
1426 |
1427 | // Return the PKCS#1 RSA encryption of "text" as a Base64-encoded string
1428 | //function RSAEncryptB64(text) {
1429 | // var h = this.encrypt(text);
1430 | // if(h) return hex2b64(h); else return null;
1431 | //}
1432 |
1433 | // protected
1434 | RSAKey.prototype.doPublic = RSADoPublic;
1435 |
1436 | // public
1437 | RSAKey.prototype.setPublic = RSASetPublic;
1438 | RSAKey.prototype.encrypt = RSAEncrypt;
1439 | //RSAKey.prototype.encrypt_b64 = RSAEncryptB64;
1440 | // Depends on rsa.js and jsbn2.js
1441 |
1442 | // Version 1.1: support utf-8 decoding in pkcs1unpad2
1443 |
1444 | // Undo PKCS#1 (type 2, random) padding and, if valid, return the plaintext
1445 | function pkcs1unpad2(d,n) {
1446 | var b = d.toByteArray();
1447 | var i = 0;
1448 | while(i < b.length && b[i] == 0) ++i;
1449 | if(b.length-i != n-1 || b[i] != 2)
1450 | return null;
1451 | ++i;
1452 | while(b[i] != 0)
1453 | if(++i >= b.length) return null;
1454 | var ret = "";
1455 | while(++i < b.length) {
1456 | var c = b[i] & 255;
1457 | if(c < 128) { // utf-8 decode
1458 | ret += String.fromCharCode(c);
1459 | }
1460 | else if((c > 191) && (c < 224)) {
1461 | ret += String.fromCharCode(((c & 31) << 6) | (b[i+1] & 63));
1462 | ++i;
1463 | }
1464 | else {
1465 | ret += String.fromCharCode(((c & 15) << 12) | ((b[i+1] & 63) << 6) | (b[i+2] & 63));
1466 | i += 2;
1467 | }
1468 | }
1469 | return ret;
1470 | }
1471 |
1472 | // Set the private key fields N, e, and d from hex strings
1473 | function RSASetPrivate(N,E,D) {
1474 | if(N != null && E != null && N.length > 0 && E.length > 0) {
1475 | this.n = parseBigInt(N,16);
1476 | this.e = parseInt(E,16);
1477 | this.d = parseBigInt(D,16);
1478 | }
1479 | else
1480 | console.error("Invalid RSA private key");
1481 | }
1482 |
1483 | // Set the private key fields N, e, d and CRT params from hex strings
1484 | function RSASetPrivateEx(N,E,D,P,Q,DP,DQ,C) {
1485 | if(N != null && E != null && N.length > 0 && E.length > 0) {
1486 | this.n = parseBigInt(N,16);
1487 | this.e = parseInt(E,16);
1488 | this.d = parseBigInt(D,16);
1489 | this.p = parseBigInt(P,16);
1490 | this.q = parseBigInt(Q,16);
1491 | this.dmp1 = parseBigInt(DP,16);
1492 | this.dmq1 = parseBigInt(DQ,16);
1493 | this.coeff = parseBigInt(C,16);
1494 | }
1495 | else
1496 | console.error("Invalid RSA private key");
1497 | }
1498 |
1499 | // Generate a new random private key B bits long, using public expt E
1500 | function RSAGenerate(B,E) {
1501 | var rng = new SecureRandom();
1502 | var qs = B>>1;
1503 | this.e = parseInt(E,16);
1504 | var ee = new BigInteger(E,16);
1505 | for(;;) {
1506 | for(;;) {
1507 | this.p = new BigInteger(B-qs,1,rng);
1508 | if(this.p.subtract(BigInteger.ONE).gcd(ee).compareTo(BigInteger.ONE) == 0 && this.p.isProbablePrime(10)) break;
1509 | }
1510 | for(;;) {
1511 | this.q = new BigInteger(qs,1,rng);
1512 | if(this.q.subtract(BigInteger.ONE).gcd(ee).compareTo(BigInteger.ONE) == 0 && this.q.isProbablePrime(10)) break;
1513 | }
1514 | if(this.p.compareTo(this.q) <= 0) {
1515 | var t = this.p;
1516 | this.p = this.q;
1517 | this.q = t;
1518 | }
1519 | var p1 = this.p.subtract(BigInteger.ONE);
1520 | var q1 = this.q.subtract(BigInteger.ONE);
1521 | var phi = p1.multiply(q1);
1522 | if(phi.gcd(ee).compareTo(BigInteger.ONE) == 0) {
1523 | this.n = this.p.multiply(this.q);
1524 | this.d = ee.modInverse(phi);
1525 | this.dmp1 = this.d.mod(p1);
1526 | this.dmq1 = this.d.mod(q1);
1527 | this.coeff = this.q.modInverse(this.p);
1528 | break;
1529 | }
1530 | }
1531 | }
1532 |
1533 | // Perform raw private operation on "x": return x^d (mod n)
1534 | function RSADoPrivate(x) {
1535 | if(this.p == null || this.q == null)
1536 | return x.modPow(this.d, this.n);
1537 |
1538 | // TODO: re-calculate any missing CRT params
1539 | var xp = x.mod(this.p).modPow(this.dmp1, this.p);
1540 | var xq = x.mod(this.q).modPow(this.dmq1, this.q);
1541 |
1542 | while(xp.compareTo(xq) < 0)
1543 | xp = xp.add(this.p);
1544 | return xp.subtract(xq).multiply(this.coeff).mod(this.p).multiply(this.q).add(xq);
1545 | }
1546 |
1547 | // Return the PKCS#1 RSA decryption of "ctext".
1548 | // "ctext" is an even-length hex string and the output is a plain string.
1549 | function RSADecrypt(ctext) {
1550 | var c = parseBigInt(ctext, 16);
1551 | var m = this.doPrivate(c);
1552 | if(m == null) return null;
1553 | return pkcs1unpad2(m, (this.n.bitLength()+7)>>3);
1554 | }
1555 |
1556 | // Return the PKCS#1 RSA decryption of "ctext".
1557 | // "ctext" is a Base64-encoded string and the output is a plain string.
1558 | //function RSAB64Decrypt(ctext) {
1559 | // var h = b64tohex(ctext);
1560 | // if(h) return this.decrypt(h); else return null;
1561 | //}
1562 |
1563 | // protected
1564 | RSAKey.prototype.doPrivate = RSADoPrivate;
1565 |
1566 | // public
1567 | RSAKey.prototype.setPrivate = RSASetPrivate;
1568 | RSAKey.prototype.setPrivateEx = RSASetPrivateEx;
1569 | RSAKey.prototype.generate = RSAGenerate;
1570 | RSAKey.prototype.decrypt = RSADecrypt;
1571 | //RSAKey.prototype.b64_decrypt = RSAB64Decrypt;
1572 | // Copyright (c) 2011 Kevin M Burns Jr.
1573 | // All Rights Reserved.
1574 | // See "LICENSE" for details.
1575 | //
1576 | // Extension to jsbn which adds facilities for asynchronous RSA key generation
1577 | // Primarily created to avoid execution timeout on mobile devices
1578 | //
1579 | // http://www-cs-students.stanford.edu/~tjw/jsbn/
1580 | //
1581 | // ---
1582 |
1583 | (function(){
1584 |
1585 | // Generate a new random private key B bits long, using public expt E
1586 | var RSAGenerateAsync = function (B, E, callback) {
1587 | //var rng = new SeededRandom();
1588 | var rng = new SecureRandom();
1589 | var qs = B >> 1;
1590 | this.e = parseInt(E, 16);
1591 | var ee = new BigInteger(E, 16);
1592 | var rsa = this;
1593 | // These functions have non-descript names because they were originally for(;;) loops.
1594 | // I don't know about cryptography to give them better names than loop1-4.
1595 | var loop1 = function() {
1596 | var loop4 = function() {
1597 | if (rsa.p.compareTo(rsa.q) <= 0) {
1598 | var t = rsa.p;
1599 | rsa.p = rsa.q;
1600 | rsa.q = t;
1601 | }
1602 | var p1 = rsa.p.subtract(BigInteger.ONE);
1603 | var q1 = rsa.q.subtract(BigInteger.ONE);
1604 | var phi = p1.multiply(q1);
1605 | if (phi.gcd(ee).compareTo(BigInteger.ONE) == 0) {
1606 | rsa.n = rsa.p.multiply(rsa.q);
1607 | rsa.d = ee.modInverse(phi);
1608 | rsa.dmp1 = rsa.d.mod(p1);
1609 | rsa.dmq1 = rsa.d.mod(q1);
1610 | rsa.coeff = rsa.q.modInverse(rsa.p);
1611 | setTimeout(function(){callback()},0); // escape
1612 | } else {
1613 | setTimeout(loop1,0);
1614 | }
1615 | };
1616 | var loop3 = function() {
1617 | rsa.q = nbi();
1618 | rsa.q.fromNumberAsync(qs, 1, rng, function(){
1619 | rsa.q.subtract(BigInteger.ONE).gcda(ee, function(r){
1620 | if (r.compareTo(BigInteger.ONE) == 0 && rsa.q.isProbablePrime(10)) {
1621 | setTimeout(loop4,0);
1622 | } else {
1623 | setTimeout(loop3,0);
1624 | }
1625 | });
1626 | });
1627 | };
1628 | var loop2 = function() {
1629 | rsa.p = nbi();
1630 | rsa.p.fromNumberAsync(B - qs, 1, rng, function(){
1631 | rsa.p.subtract(BigInteger.ONE).gcda(ee, function(r){
1632 | if (r.compareTo(BigInteger.ONE) == 0 && rsa.p.isProbablePrime(10)) {
1633 | setTimeout(loop3,0);
1634 | } else {
1635 | setTimeout(loop2,0);
1636 | }
1637 | });
1638 | });
1639 | };
1640 | setTimeout(loop2,0);
1641 | };
1642 | setTimeout(loop1,0);
1643 | };
1644 | RSAKey.prototype.generateAsync = RSAGenerateAsync;
1645 |
1646 | // Public API method
1647 | var bnGCDAsync = function (a, callback) {
1648 | var x = (this.s < 0) ? this.negate() : this.clone();
1649 | var y = (a.s < 0) ? a.negate() : a.clone();
1650 | if (x.compareTo(y) < 0) {
1651 | var t = x;
1652 | x = y;
1653 | y = t;
1654 | }
1655 | var i = x.getLowestSetBit(),
1656 | g = y.getLowestSetBit();
1657 | if (g < 0) {
1658 | callback(x);
1659 | return;
1660 | }
1661 | if (i < g) g = i;
1662 | if (g > 0) {
1663 | x.rShiftTo(g, x);
1664 | y.rShiftTo(g, y);
1665 | }
1666 | // Workhorse of the algorithm, gets called 200 - 800 times per 512 bit keygen.
1667 | var gcda1 = function() {
1668 | if ((i = x.getLowestSetBit()) > 0){ x.rShiftTo(i, x); }
1669 | if ((i = y.getLowestSetBit()) > 0){ y.rShiftTo(i, y); }
1670 | if (x.compareTo(y) >= 0) {
1671 | x.subTo(y, x);
1672 | x.rShiftTo(1, x);
1673 | } else {
1674 | y.subTo(x, y);
1675 | y.rShiftTo(1, y);
1676 | }
1677 | if(!(x.signum() > 0)) {
1678 | if (g > 0) y.lShiftTo(g, y);
1679 | setTimeout(function(){callback(y)},0); // escape
1680 | } else {
1681 | setTimeout(gcda1,0);
1682 | }
1683 | };
1684 | setTimeout(gcda1,10);
1685 | };
1686 | BigInteger.prototype.gcda = bnGCDAsync;
1687 |
1688 | // (protected) alternate constructor
1689 | var bnpFromNumberAsync = function (a,b,c,callback) {
1690 | if("number" == typeof b) {
1691 | if(a < 2) {
1692 | this.fromInt(1);
1693 | } else {
1694 | this.fromNumber(a,c);
1695 | if(!this.testBit(a-1)){
1696 | this.bitwiseTo(BigInteger.ONE.shiftLeft(a-1),op_or,this);
1697 | }
1698 | if(this.isEven()) {
1699 | this.dAddOffset(1,0);
1700 | }
1701 | var bnp = this;
1702 | var bnpfn1 = function(){
1703 | bnp.dAddOffset(2,0);
1704 | if(bnp.bitLength() > a) bnp.subTo(BigInteger.ONE.shiftLeft(a-1),bnp);
1705 | if(bnp.isProbablePrime(b)) {
1706 | setTimeout(function(){callback()},0); // escape
1707 | } else {
1708 | setTimeout(bnpfn1,0);
1709 | }
1710 | };
1711 | setTimeout(bnpfn1,0);
1712 | }
1713 | } else {
1714 | var x = new Array(), t = a&7;
1715 | x.length = (a>>3)+1;
1716 | b.nextBytes(x);
1717 | if(t > 0) x[0] &= ((1<> 6) + b64map.charAt(c & 63);
1733 | }
1734 | if(i+1 == h.length) {
1735 | c = parseInt(h.substring(i,i+1),16);
1736 | ret += b64map.charAt(c << 2);
1737 | }
1738 | else if(i+2 == h.length) {
1739 | c = parseInt(h.substring(i,i+2),16);
1740 | ret += b64map.charAt(c >> 2) + b64map.charAt((c & 3) << 4);
1741 | }
1742 | while((ret.length & 3) > 0) ret += b64pad;
1743 | return ret;
1744 | }
1745 |
1746 | // convert a base64 string to hex
1747 | function b64tohex(s) {
1748 | var ret = ""
1749 | var i;
1750 | var k = 0; // b64 state, 0-3
1751 | var slop;
1752 | for(i = 0; i < s.length; ++i) {
1753 | if(s.charAt(i) == b64pad) break;
1754 | v = b64map.indexOf(s.charAt(i));
1755 | if(v < 0) continue;
1756 | if(k == 0) {
1757 | ret += int2char(v >> 2);
1758 | slop = v & 3;
1759 | k = 1;
1760 | }
1761 | else if(k == 1) {
1762 | ret += int2char((slop << 2) | (v >> 4));
1763 | slop = v & 0xf;
1764 | k = 2;
1765 | }
1766 | else if(k == 2) {
1767 | ret += int2char(slop);
1768 | ret += int2char(v >> 2);
1769 | slop = v & 3;
1770 | k = 3;
1771 | }
1772 | else {
1773 | ret += int2char((slop << 2) | (v >> 4));
1774 | ret += int2char(v & 0xf);
1775 | k = 0;
1776 | }
1777 | }
1778 | if(k == 1)
1779 | ret += int2char(slop << 2);
1780 | return ret;
1781 | }
1782 |
1783 | // convert a base64 string to a byte/number array
1784 | function b64toBA(s) {
1785 | //piggyback on b64tohex for now, optimize later
1786 | var h = b64tohex(s);
1787 | var i;
1788 | var a = new Array();
1789 | for(i = 0; 2*i < h.length; ++i) {
1790 | a[i] = parseInt(h.substring(2*i,2*i+2),16);
1791 | }
1792 | return a;
1793 | }
1794 | /*! asn1-1.0.2.js (c) 2013 Kenji Urushima | kjur.github.com/jsrsasign/license
1795 | */
1796 |
1797 | var JSX = JSX || {};
1798 | JSX.env = JSX.env || {};
1799 |
1800 | var L = JSX, OP = Object.prototype, FUNCTION_TOSTRING = '[object Function]',ADD = ["toString", "valueOf"];
1801 |
1802 | JSX.env.parseUA = function(agent) {
1803 |
1804 | var numberify = function(s) {
1805 | var c = 0;
1806 | return parseFloat(s.replace(/\./g, function() {
1807 | return (c++ == 1) ? '' : '.';
1808 | }));
1809 | },
1810 |
1811 | nav = navigator,
1812 | o = {
1813 | ie: 0,
1814 | opera: 0,
1815 | gecko: 0,
1816 | webkit: 0,
1817 | chrome: 0,
1818 | mobile: null,
1819 | air: 0,
1820 | ipad: 0,
1821 | iphone: 0,
1822 | ipod: 0,
1823 | ios: null,
1824 | android: 0,
1825 | webos: 0,
1826 | caja: nav && nav.cajaVersion,
1827 | secure: false,
1828 | os: null
1829 |
1830 | },
1831 |
1832 | ua = agent || (navigator && navigator.userAgent),
1833 | loc = window && window.location,
1834 | href = loc && loc.href,
1835 | m;
1836 |
1837 | o.secure = href && (href.toLowerCase().indexOf("https") === 0);
1838 |
1839 | if (ua) {
1840 |
1841 | if ((/windows|win32/i).test(ua)) {
1842 | o.os = 'windows';
1843 | } else if ((/macintosh/i).test(ua)) {
1844 | o.os = 'macintosh';
1845 | } else if ((/rhino/i).test(ua)) {
1846 | o.os = 'rhino';
1847 | }
1848 | if ((/KHTML/).test(ua)) {
1849 | o.webkit = 1;
1850 | }
1851 | m = ua.match(/AppleWebKit\/([^\s]*)/);
1852 | if (m && m[1]) {
1853 | o.webkit = numberify(m[1]);
1854 | if (/ Mobile\//.test(ua)) {
1855 | o.mobile = 'Apple'; // iPhone or iPod Touch
1856 | m = ua.match(/OS ([^\s]*)/);
1857 | if (m && m[1]) {
1858 | m = numberify(m[1].replace('_', '.'));
1859 | }
1860 | o.ios = m;
1861 | o.ipad = o.ipod = o.iphone = 0;
1862 | m = ua.match(/iPad|iPod|iPhone/);
1863 | if (m && m[0]) {
1864 | o[m[0].toLowerCase()] = o.ios;
1865 | }
1866 | } else {
1867 | m = ua.match(/NokiaN[^\/]*|Android \d\.\d|webOS\/\d\.\d/);
1868 | if (m) {
1869 | o.mobile = m[0];
1870 | }
1871 | if (/webOS/.test(ua)) {
1872 | o.mobile = 'WebOS';
1873 | m = ua.match(/webOS\/([^\s]*);/);
1874 | if (m && m[1]) {
1875 | o.webos = numberify(m[1]);
1876 | }
1877 | }
1878 | if (/ Android/.test(ua)) {
1879 | o.mobile = 'Android';
1880 | m = ua.match(/Android ([^\s]*);/);
1881 | if (m && m[1]) {
1882 | o.android = numberify(m[1]);
1883 | }
1884 | }
1885 | }
1886 | m = ua.match(/Chrome\/([^\s]*)/);
1887 | if (m && m[1]) {
1888 | o.chrome = numberify(m[1]); // Chrome
1889 | } else {
1890 | m = ua.match(/AdobeAIR\/([^\s]*)/);
1891 | if (m) {
1892 | o.air = m[0]; // Adobe AIR 1.0 or better
1893 | }
1894 | }
1895 | }
1896 | if (!o.webkit) {
1897 | m = ua.match(/Opera[\s\/]([^\s]*)/);
1898 | if (m && m[1]) {
1899 | o.opera = numberify(m[1]);
1900 | m = ua.match(/Version\/([^\s]*)/);
1901 | if (m && m[1]) {
1902 | o.opera = numberify(m[1]); // opera 10+
1903 | }
1904 | m = ua.match(/Opera Mini[^;]*/);
1905 | if (m) {
1906 | o.mobile = m[0]; // ex: Opera Mini/2.0.4509/1316
1907 | }
1908 | } else { // not opera or webkit
1909 | m = ua.match(/MSIE\s([^;]*)/);
1910 | if (m && m[1]) {
1911 | o.ie = numberify(m[1]);
1912 | } else { // not opera, webkit, or ie
1913 | m = ua.match(/Gecko\/([^\s]*)/);
1914 | if (m) {
1915 | o.gecko = 1; // Gecko detected, look for revision
1916 | m = ua.match(/rv:([^\s\)]*)/);
1917 | if (m && m[1]) {
1918 | o.gecko = numberify(m[1]);
1919 | }
1920 | }
1921 | }
1922 | }
1923 | }
1924 | }
1925 | return o;
1926 | };
1927 |
1928 | JSX.env.ua = JSX.env.parseUA();
1929 |
1930 | JSX.isFunction = function(o) {
1931 | return (typeof o === 'function') || OP.toString.apply(o) === FUNCTION_TOSTRING;
1932 | };
1933 |
1934 | JSX._IEEnumFix = (JSX.env.ua.ie) ? function(r, s) {
1935 | var i, fname, f;
1936 | for (i=0;iMIT License
1991 | */
1992 |
1993 | /**
1994 | * kjur's class library name space
1995 | *
1996 | * This name space provides following name spaces:
1997 | *
1998 | * - {@link KJUR.asn1} - ASN.1 primitive hexadecimal encoder
1999 | * - {@link KJUR.asn1.x509} - ASN.1 structure for X.509 certificate and CRL
2000 | * - {@link KJUR.crypto} - Java Cryptographic Extension(JCE) style MessageDigest/Signature
2001 | * class and utilities
2002 | *
2003 | *
2004 | * NOTE: Please ignore method summary and document of this namespace. This caused by a bug of jsdoc2.
2005 | * @name KJUR
2006 | * @namespace kjur's class library name space
2007 | */
2008 | if (typeof KJUR == "undefined" || !KJUR) KJUR = {};
2009 |
2010 | /**
2011 | * kjur's ASN.1 class library name space
2012 | *
2013 | * This is ITU-T X.690 ASN.1 DER encoder class library and
2014 | * class structure and methods is very similar to
2015 | * org.bouncycastle.asn1 package of
2016 | * well known BouncyCaslte Cryptography Library.
2017 | *
2018 | *
PROVIDING ASN.1 PRIMITIVES
2019 | * Here are ASN.1 DER primitive classes.
2020 | *
2021 | * - {@link KJUR.asn1.DERBoolean}
2022 | * - {@link KJUR.asn1.DERInteger}
2023 | * - {@link KJUR.asn1.DERBitString}
2024 | * - {@link KJUR.asn1.DEROctetString}
2025 | * - {@link KJUR.asn1.DERNull}
2026 | * - {@link KJUR.asn1.DERObjectIdentifier}
2027 | * - {@link KJUR.asn1.DERUTF8String}
2028 | * - {@link KJUR.asn1.DERNumericString}
2029 | * - {@link KJUR.asn1.DERPrintableString}
2030 | * - {@link KJUR.asn1.DERTeletexString}
2031 | * - {@link KJUR.asn1.DERIA5String}
2032 | * - {@link KJUR.asn1.DERUTCTime}
2033 | * - {@link KJUR.asn1.DERGeneralizedTime}
2034 | * - {@link KJUR.asn1.DERSequence}
2035 | * - {@link KJUR.asn1.DERSet}
2036 | *
2037 | *
2038 | * OTHER ASN.1 CLASSES
2039 | *
2040 | * - {@link KJUR.asn1.ASN1Object}
2041 | * - {@link KJUR.asn1.DERAbstractString}
2042 | * - {@link KJUR.asn1.DERAbstractTime}
2043 | * - {@link KJUR.asn1.DERAbstractStructured}
2044 | * - {@link KJUR.asn1.DERTaggedObject}
2045 | *
2046 | *
2047 | * NOTE: Please ignore method summary and document of this namespace. This caused by a bug of jsdoc2.
2048 | * @name KJUR.asn1
2049 | * @namespace
2050 | */
2051 | if (typeof KJUR.asn1 == "undefined" || !KJUR.asn1) KJUR.asn1 = {};
2052 |
2053 | /**
2054 | * ASN1 utilities class
2055 | * @name KJUR.asn1.ASN1Util
2056 | * @classs ASN1 utilities class
2057 | * @since asn1 1.0.2
2058 | */
2059 | KJUR.asn1.ASN1Util = new function() {
2060 | this.integerToByteHex = function(i) {
2061 | var h = i.toString(16);
2062 | if ((h.length % 2) == 1) h = '0' + h;
2063 | return h;
2064 | };
2065 | this.bigIntToMinTwosComplementsHex = function(bigIntegerValue) {
2066 | var h = bigIntegerValue.toString(16);
2067 | if (h.substr(0, 1) != '-') {
2068 | if (h.length % 2 == 1) {
2069 | h = '0' + h;
2070 | } else {
2071 | if (! h.match(/^[0-7]/)) {
2072 | h = '00' + h;
2073 | }
2074 | }
2075 | } else {
2076 | var hPos = h.substr(1);
2077 | var xorLen = hPos.length;
2078 | if (xorLen % 2 == 1) {
2079 | xorLen += 1;
2080 | } else {
2081 | if (! h.match(/^[0-7]/)) {
2082 | xorLen += 2;
2083 | }
2084 | }
2085 | var hMask = '';
2086 | for (var i = 0; i < xorLen; i++) {
2087 | hMask += 'f';
2088 | }
2089 | var biMask = new BigInteger(hMask, 16);
2090 | var biNeg = biMask.xor(bigIntegerValue).add(BigInteger.ONE);
2091 | h = biNeg.toString(16).replace(/^-/, '');
2092 | }
2093 | return h;
2094 | };
2095 | /**
2096 | * get PEM string from hexadecimal data and header string
2097 | * @name getPEMStringFromHex
2098 | * @memberOf KJUR.asn1.ASN1Util
2099 | * @function
2100 | * @param {String} dataHex hexadecimal string of PEM body
2101 | * @param {String} pemHeader PEM header string (ex. 'RSA PRIVATE KEY')
2102 | * @return {String} PEM formatted string of input data
2103 | * @description
2104 | * @example
2105 | * var pem = KJUR.asn1.ASN1Util.getPEMStringFromHex('616161', 'RSA PRIVATE KEY');
2106 | * // value of pem will be:
2107 | * -----BEGIN PRIVATE KEY-----
2108 | * YWFh
2109 | * -----END PRIVATE KEY-----
2110 | */
2111 | this.getPEMStringFromHex = function(dataHex, pemHeader) {
2112 | var dataWA = CryptoJS.enc.Hex.parse(dataHex);
2113 | var dataB64 = CryptoJS.enc.Base64.stringify(dataWA);
2114 | var pemBody = dataB64.replace(/(.{64})/g, "$1\r\n");
2115 | pemBody = pemBody.replace(/\r\n$/, '');
2116 | return "-----BEGIN " + pemHeader + "-----\r\n" +
2117 | pemBody +
2118 | "\r\n-----END " + pemHeader + "-----\r\n";
2119 | };
2120 | };
2121 |
2122 | // ********************************************************************
2123 | // Abstract ASN.1 Classes
2124 | // ********************************************************************
2125 |
2126 | // ********************************************************************
2127 |
2128 | /**
2129 | * base class for ASN.1 DER encoder object
2130 | * @name KJUR.asn1.ASN1Object
2131 | * @class base class for ASN.1 DER encoder object
2132 | * @property {Boolean} isModified flag whether internal data was changed
2133 | * @property {String} hTLV hexadecimal string of ASN.1 TLV
2134 | * @property {String} hT hexadecimal string of ASN.1 TLV tag(T)
2135 | * @property {String} hL hexadecimal string of ASN.1 TLV length(L)
2136 | * @property {String} hV hexadecimal string of ASN.1 TLV value(V)
2137 | * @description
2138 | */
2139 | KJUR.asn1.ASN1Object = function() {
2140 | var isModified = true;
2141 | var hTLV = null;
2142 | var hT = '00'
2143 | var hL = '00';
2144 | var hV = '';
2145 |
2146 | /**
2147 | * get hexadecimal ASN.1 TLV length(L) bytes from TLV value(V)
2148 | * @name getLengthHexFromValue
2149 | * @memberOf KJUR.asn1.ASN1Object
2150 | * @function
2151 | * @return {String} hexadecimal string of ASN.1 TLV length(L)
2152 | */
2153 | this.getLengthHexFromValue = function() {
2154 | if (typeof this.hV == "undefined" || this.hV == null) {
2155 | throw "this.hV is null or undefined.";
2156 | }
2157 | if (this.hV.length % 2 == 1) {
2158 | throw "value hex must be even length: n=" + hV.length + ",v=" + this.hV;
2159 | }
2160 | var n = this.hV.length / 2;
2161 | var hN = n.toString(16);
2162 | if (hN.length % 2 == 1) {
2163 | hN = "0" + hN;
2164 | }
2165 | if (n < 128) {
2166 | return hN;
2167 | } else {
2168 | var hNlen = hN.length / 2;
2169 | if (hNlen > 15) {
2170 | throw "ASN.1 length too long to represent by 8x: n = " + n.toString(16);
2171 | }
2172 | var head = 128 + hNlen;
2173 | return head.toString(16) + hN;
2174 | }
2175 | };
2176 |
2177 | /**
2178 | * get hexadecimal string of ASN.1 TLV bytes
2179 | * @name getEncodedHex
2180 | * @memberOf KJUR.asn1.ASN1Object
2181 | * @function
2182 | * @return {String} hexadecimal string of ASN.1 TLV
2183 | */
2184 | this.getEncodedHex = function() {
2185 | if (this.hTLV == null || this.isModified) {
2186 | this.hV = this.getFreshValueHex();
2187 | this.hL = this.getLengthHexFromValue();
2188 | this.hTLV = this.hT + this.hL + this.hV;
2189 | this.isModified = false;
2190 | //console.error("first time: " + this.hTLV);
2191 | }
2192 | return this.hTLV;
2193 | };
2194 |
2195 | /**
2196 | * get hexadecimal string of ASN.1 TLV value(V) bytes
2197 | * @name getValueHex
2198 | * @memberOf KJUR.asn1.ASN1Object
2199 | * @function
2200 | * @return {String} hexadecimal string of ASN.1 TLV value(V) bytes
2201 | */
2202 | this.getValueHex = function() {
2203 | this.getEncodedHex();
2204 | return this.hV;
2205 | }
2206 |
2207 | this.getFreshValueHex = function() {
2208 | return '';
2209 | };
2210 | };
2211 |
2212 | // == BEGIN DERAbstractString ================================================
2213 | /**
2214 | * base class for ASN.1 DER string classes
2215 | * @name KJUR.asn1.DERAbstractString
2216 | * @class base class for ASN.1 DER string classes
2217 | * @param {Array} params associative array of parameters (ex. {'str': 'aaa'})
2218 | * @property {String} s internal string of value
2219 | * @extends KJUR.asn1.ASN1Object
2220 | * @description
2221 | *
2222 | * As for argument 'params' for constructor, you can specify one of
2223 | * following properties:
2224 | *
2225 | * - str - specify initial ASN.1 value(V) by a string
2226 | * - hex - specify initial ASN.1 value(V) by a hexadecimal string
2227 | *
2228 | * NOTE: 'params' can be omitted.
2229 | */
2230 | KJUR.asn1.DERAbstractString = function(params) {
2231 | KJUR.asn1.DERAbstractString.superclass.constructor.call(this);
2232 | var s = null;
2233 | var hV = null;
2234 |
2235 | /**
2236 | * get string value of this string object
2237 | * @name getString
2238 | * @memberOf KJUR.asn1.DERAbstractString
2239 | * @function
2240 | * @return {String} string value of this string object
2241 | */
2242 | this.getString = function() {
2243 | return this.s;
2244 | };
2245 |
2246 | /**
2247 | * set value by a string
2248 | * @name setString
2249 | * @memberOf KJUR.asn1.DERAbstractString
2250 | * @function
2251 | * @param {String} newS value by a string to set
2252 | */
2253 | this.setString = function(newS) {
2254 | this.hTLV = null;
2255 | this.isModified = true;
2256 | this.s = newS;
2257 | this.hV = stohex(this.s);
2258 | };
2259 |
2260 | /**
2261 | * set value by a hexadecimal string
2262 | * @name setStringHex
2263 | * @memberOf KJUR.asn1.DERAbstractString
2264 | * @function
2265 | * @param {String} newHexString value by a hexadecimal string to set
2266 | */
2267 | this.setStringHex = function(newHexString) {
2268 | this.hTLV = null;
2269 | this.isModified = true;
2270 | this.s = null;
2271 | this.hV = newHexString;
2272 | };
2273 |
2274 | this.getFreshValueHex = function() {
2275 | return this.hV;
2276 | };
2277 |
2278 | if (typeof params != "undefined") {
2279 | if (typeof params['str'] != "undefined") {
2280 | this.setString(params['str']);
2281 | } else if (typeof params['hex'] != "undefined") {
2282 | this.setStringHex(params['hex']);
2283 | }
2284 | }
2285 | };
2286 | JSX.extend(KJUR.asn1.DERAbstractString, KJUR.asn1.ASN1Object);
2287 | // == END DERAbstractString ================================================
2288 |
2289 | // == BEGIN DERAbstractTime ==================================================
2290 | /**
2291 | * base class for ASN.1 DER Generalized/UTCTime class
2292 | * @name KJUR.asn1.DERAbstractTime
2293 | * @class base class for ASN.1 DER Generalized/UTCTime class
2294 | * @param {Array} params associative array of parameters (ex. {'str': '130430235959Z'})
2295 | * @extends KJUR.asn1.ASN1Object
2296 | * @description
2297 | * @see KJUR.asn1.ASN1Object - superclass
2298 | */
2299 | KJUR.asn1.DERAbstractTime = function(params) {
2300 | KJUR.asn1.DERAbstractTime.superclass.constructor.call(this);
2301 | var s = null;
2302 | var date = null;
2303 |
2304 | // --- PRIVATE METHODS --------------------
2305 | this.localDateToUTC = function(d) {
2306 | utc = d.getTime() + (d.getTimezoneOffset() * 60000);
2307 | var utcDate = new Date(utc);
2308 | return utcDate;
2309 | };
2310 |
2311 | this.formatDate = function(dateObject, type) {
2312 | var pad = this.zeroPadding;
2313 | var d = this.localDateToUTC(dateObject);
2314 | var year = String(d.getFullYear());
2315 | if (type == 'utc') year = year.substr(2, 2);
2316 | var month = pad(String(d.getMonth() + 1), 2);
2317 | var day = pad(String(d.getDate()), 2);
2318 | var hour = pad(String(d.getHours()), 2);
2319 | var min = pad(String(d.getMinutes()), 2);
2320 | var sec = pad(String(d.getSeconds()), 2);
2321 | return year + month + day + hour + min + sec + 'Z';
2322 | };
2323 |
2324 | this.zeroPadding = function(s, len) {
2325 | if (s.length >= len) return s;
2326 | return new Array(len - s.length + 1).join('0') + s;
2327 | };
2328 |
2329 | // --- PUBLIC METHODS --------------------
2330 | /**
2331 | * get string value of this string object
2332 | * @name getString
2333 | * @memberOf KJUR.asn1.DERAbstractTime
2334 | * @function
2335 | * @return {String} string value of this time object
2336 | */
2337 | this.getString = function() {
2338 | return this.s;
2339 | };
2340 |
2341 | /**
2342 | * set value by a string
2343 | * @name setString
2344 | * @memberOf KJUR.asn1.DERAbstractTime
2345 | * @function
2346 | * @param {String} newS value by a string to set such like "130430235959Z"
2347 | */
2348 | this.setString = function(newS) {
2349 | this.hTLV = null;
2350 | this.isModified = true;
2351 | this.s = newS;
2352 | this.hV = stohex(this.s);
2353 | };
2354 |
2355 | /**
2356 | * set value by a Date object
2357 | * @name setByDateValue
2358 | * @memberOf KJUR.asn1.DERAbstractTime
2359 | * @function
2360 | * @param {Integer} year year of date (ex. 2013)
2361 | * @param {Integer} month month of date between 1 and 12 (ex. 12)
2362 | * @param {Integer} day day of month
2363 | * @param {Integer} hour hours of date
2364 | * @param {Integer} min minutes of date
2365 | * @param {Integer} sec seconds of date
2366 | */
2367 | this.setByDateValue = function(year, month, day, hour, min, sec) {
2368 | var dateObject = new Date(Date.UTC(year, month - 1, day, hour, min, sec, 0));
2369 | this.setByDate(dateObject);
2370 | };
2371 |
2372 | this.getFreshValueHex = function() {
2373 | return this.hV;
2374 | };
2375 | };
2376 | JSX.extend(KJUR.asn1.DERAbstractTime, KJUR.asn1.ASN1Object);
2377 | // == END DERAbstractTime ==================================================
2378 |
2379 | // == BEGIN DERAbstractStructured ============================================
2380 | /**
2381 | * base class for ASN.1 DER structured class
2382 | * @name KJUR.asn1.DERAbstractStructured
2383 | * @class base class for ASN.1 DER structured class
2384 | * @property {Array} asn1Array internal array of ASN1Object
2385 | * @extends KJUR.asn1.ASN1Object
2386 | * @description
2387 | * @see KJUR.asn1.ASN1Object - superclass
2388 | */
2389 | KJUR.asn1.DERAbstractStructured = function(params) {
2390 | KJUR.asn1.DERAbstractString.superclass.constructor.call(this);
2391 | var asn1Array = null;
2392 |
2393 | /**
2394 | * set value by array of ASN1Object
2395 | * @name setByASN1ObjectArray
2396 | * @memberOf KJUR.asn1.DERAbstractStructured
2397 | * @function
2398 | * @param {array} asn1ObjectArray array of ASN1Object to set
2399 | */
2400 | this.setByASN1ObjectArray = function(asn1ObjectArray) {
2401 | this.hTLV = null;
2402 | this.isModified = true;
2403 | this.asn1Array = asn1ObjectArray;
2404 | };
2405 |
2406 | /**
2407 | * append an ASN1Object to internal array
2408 | * @name appendASN1Object
2409 | * @memberOf KJUR.asn1.DERAbstractStructured
2410 | * @function
2411 | * @param {ASN1Object} asn1Object to add
2412 | */
2413 | this.appendASN1Object = function(asn1Object) {
2414 | this.hTLV = null;
2415 | this.isModified = true;
2416 | this.asn1Array.push(asn1Object);
2417 | };
2418 |
2419 | this.asn1Array = new Array();
2420 | if (typeof params != "undefined") {
2421 | if (typeof params['array'] != "undefined") {
2422 | this.asn1Array = params['array'];
2423 | }
2424 | }
2425 | };
2426 | JSX.extend(KJUR.asn1.DERAbstractStructured, KJUR.asn1.ASN1Object);
2427 |
2428 |
2429 | // ********************************************************************
2430 | // ASN.1 Object Classes
2431 | // ********************************************************************
2432 |
2433 | // ********************************************************************
2434 | /**
2435 | * class for ASN.1 DER Boolean
2436 | * @name KJUR.asn1.DERBoolean
2437 | * @class class for ASN.1 DER Boolean
2438 | * @extends KJUR.asn1.ASN1Object
2439 | * @description
2440 | * @see KJUR.asn1.ASN1Object - superclass
2441 | */
2442 | KJUR.asn1.DERBoolean = function() {
2443 | KJUR.asn1.DERBoolean.superclass.constructor.call(this);
2444 | this.hT = "01";
2445 | this.hTLV = "0101ff";
2446 | };
2447 | JSX.extend(KJUR.asn1.DERBoolean, KJUR.asn1.ASN1Object);
2448 |
2449 | // ********************************************************************
2450 | /**
2451 | * class for ASN.1 DER Integer
2452 | * @name KJUR.asn1.DERInteger
2453 | * @class class for ASN.1 DER Integer
2454 | * @extends KJUR.asn1.ASN1Object
2455 | * @description
2456 | *
2457 | * As for argument 'params' for constructor, you can specify one of
2458 | * following properties:
2459 | *
2460 | * - int - specify initial ASN.1 value(V) by integer value
2461 | * - bigint - specify initial ASN.1 value(V) by BigInteger object
2462 | * - hex - specify initial ASN.1 value(V) by a hexadecimal string
2463 | *
2464 | * NOTE: 'params' can be omitted.
2465 | */
2466 | KJUR.asn1.DERInteger = function(params) {
2467 | KJUR.asn1.DERInteger.superclass.constructor.call(this);
2468 | this.hT = "02";
2469 |
2470 | /**
2471 | * set value by Tom Wu's BigInteger object
2472 | * @name setByBigInteger
2473 | * @memberOf KJUR.asn1.DERInteger
2474 | * @function
2475 | * @param {BigInteger} bigIntegerValue to set
2476 | */
2477 | this.setByBigInteger = function(bigIntegerValue) {
2478 | this.hTLV = null;
2479 | this.isModified = true;
2480 | this.hV = KJUR.asn1.ASN1Util.bigIntToMinTwosComplementsHex(bigIntegerValue);
2481 | };
2482 |
2483 | /**
2484 | * set value by integer value
2485 | * @name setByInteger
2486 | * @memberOf KJUR.asn1.DERInteger
2487 | * @function
2488 | * @param {Integer} integer value to set
2489 | */
2490 | this.setByInteger = function(intValue) {
2491 | var bi = new BigInteger(String(intValue), 10);
2492 | this.setByBigInteger(bi);
2493 | };
2494 |
2495 | /**
2496 | * set value by integer value
2497 | * @name setValueHex
2498 | * @memberOf KJUR.asn1.DERInteger
2499 | * @function
2500 | * @param {String} hexadecimal string of integer value
2501 | * @description
2502 | *
2503 | * NOTE: Value shall be represented by minimum octet length of
2504 | * two's complement representation.
2505 | */
2506 | this.setValueHex = function(newHexString) {
2507 | this.hV = newHexString;
2508 | };
2509 |
2510 | this.getFreshValueHex = function() {
2511 | return this.hV;
2512 | };
2513 |
2514 | if (typeof params != "undefined") {
2515 | if (typeof params['bigint'] != "undefined") {
2516 | this.setByBigInteger(params['bigint']);
2517 | } else if (typeof params['int'] != "undefined") {
2518 | this.setByInteger(params['int']);
2519 | } else if (typeof params['hex'] != "undefined") {
2520 | this.setValueHex(params['hex']);
2521 | }
2522 | }
2523 | };
2524 | JSX.extend(KJUR.asn1.DERInteger, KJUR.asn1.ASN1Object);
2525 |
2526 | // ********************************************************************
2527 | /**
2528 | * class for ASN.1 DER encoded BitString primitive
2529 | * @name KJUR.asn1.DERBitString
2530 | * @class class for ASN.1 DER encoded BitString primitive
2531 | * @extends KJUR.asn1.ASN1Object
2532 | * @description
2533 | *
2534 | * As for argument 'params' for constructor, you can specify one of
2535 | * following properties:
2536 | *
2537 | * - bin - specify binary string (ex. '10111')
2538 | * - array - specify array of boolean (ex. [true,false,true,true])
2539 | * - hex - specify hexadecimal string of ASN.1 value(V) including unused bits
2540 | *
2541 | * NOTE: 'params' can be omitted.
2542 | */
2543 | KJUR.asn1.DERBitString = function(params) {
2544 | KJUR.asn1.DERBitString.superclass.constructor.call(this);
2545 | this.hT = "03";
2546 |
2547 | /**
2548 | * set ASN.1 value(V) by a hexadecimal string including unused bits
2549 | * @name setHexValueIncludingUnusedBits
2550 | * @memberOf KJUR.asn1.DERBitString
2551 | * @function
2552 | * @param {String} newHexStringIncludingUnusedBits
2553 | */
2554 | this.setHexValueIncludingUnusedBits = function(newHexStringIncludingUnusedBits) {
2555 | this.hTLV = null;
2556 | this.isModified = true;
2557 | this.hV = newHexStringIncludingUnusedBits;
2558 | };
2559 |
2560 | /**
2561 | * set ASN.1 value(V) by unused bit and hexadecimal string of value
2562 | * @name setUnusedBitsAndHexValue
2563 | * @memberOf KJUR.asn1.DERBitString
2564 | * @function
2565 | * @param {Integer} unusedBits
2566 | * @param {String} hValue
2567 | */
2568 | this.setUnusedBitsAndHexValue = function(unusedBits, hValue) {
2569 | if (unusedBits < 0 || 7 < unusedBits) {
2570 | throw "unused bits shall be from 0 to 7: u = " + unusedBits;
2571 | }
2572 | var hUnusedBits = "0" + unusedBits;
2573 | this.hTLV = null;
2574 | this.isModified = true;
2575 | this.hV = hUnusedBits + hValue;
2576 | };
2577 |
2578 | /**
2579 | * set ASN.1 DER BitString by binary string
2580 | * @name setByBinaryString
2581 | * @memberOf KJUR.asn1.DERBitString
2582 | * @function
2583 | * @param {String} binaryString binary value string (i.e. '10111')
2584 | * @description
2585 | * Its unused bits will be calculated automatically by length of
2586 | * 'binaryValue'.
2587 | * NOTE: Trailing zeros '0' will be ignored.
2588 | */
2589 | this.setByBinaryString = function(binaryString) {
2590 | binaryString = binaryString.replace(/0+$/, '');
2591 | var unusedBits = 8 - binaryString.length % 8;
2592 | if (unusedBits == 8) unusedBits = 0;
2593 | for (var i = 0; i <= unusedBits; i++) {
2594 | binaryString += '0';
2595 | }
2596 | var h = '';
2597 | for (var i = 0; i < binaryString.length - 1; i += 8) {
2598 | var b = binaryString.substr(i, 8);
2599 | var x = parseInt(b, 2).toString(16);
2600 | if (x.length == 1) x = '0' + x;
2601 | h += x;
2602 | }
2603 | this.hTLV = null;
2604 | this.isModified = true;
2605 | this.hV = '0' + unusedBits + h;
2606 | };
2607 |
2608 | /**
2609 | * set ASN.1 TLV value(V) by an array of boolean
2610 | * @name setByBooleanArray
2611 | * @memberOf KJUR.asn1.DERBitString
2612 | * @function
2613 | * @param {array} booleanArray array of boolean (ex. [true, false, true])
2614 | * @description
2615 | * NOTE: Trailing falses will be ignored.
2616 | */
2617 | this.setByBooleanArray = function(booleanArray) {
2618 | var s = '';
2619 | for (var i = 0; i < booleanArray.length; i++) {
2620 | if (booleanArray[i] == true) {
2621 | s += '1';
2622 | } else {
2623 | s += '0';
2624 | }
2625 | }
2626 | this.setByBinaryString(s);
2627 | };
2628 |
2629 | /**
2630 | * generate an array of false with specified length
2631 | * @name newFalseArray
2632 | * @memberOf KJUR.asn1.DERBitString
2633 | * @function
2634 | * @param {Integer} nLength length of array to generate
2635 | * @return {array} array of boolean faluse
2636 | * @description
2637 | * This static method may be useful to initialize boolean array.
2638 | */
2639 | this.newFalseArray = function(nLength) {
2640 | var a = new Array(nLength);
2641 | for (var i = 0; i < nLength; i++) {
2642 | a[i] = false;
2643 | }
2644 | return a;
2645 | };
2646 |
2647 | this.getFreshValueHex = function() {
2648 | return this.hV;
2649 | };
2650 |
2651 | if (typeof params != "undefined") {
2652 | if (typeof params['hex'] != "undefined") {
2653 | this.setHexValueIncludingUnusedBits(params['hex']);
2654 | } else if (typeof params['bin'] != "undefined") {
2655 | this.setByBinaryString(params['bin']);
2656 | } else if (typeof params['array'] != "undefined") {
2657 | this.setByBooleanArray(params['array']);
2658 | }
2659 | }
2660 | };
2661 | JSX.extend(KJUR.asn1.DERBitString, KJUR.asn1.ASN1Object);
2662 |
2663 | // ********************************************************************
2664 | /**
2665 | * class for ASN.1 DER OctetString
2666 | * @name KJUR.asn1.DEROctetString
2667 | * @class class for ASN.1 DER OctetString
2668 | * @param {Array} params associative array of parameters (ex. {'str': 'aaa'})
2669 | * @extends KJUR.asn1.DERAbstractString
2670 | * @description
2671 | * @see KJUR.asn1.DERAbstractString - superclass
2672 | */
2673 | KJUR.asn1.DEROctetString = function(params) {
2674 | KJUR.asn1.DEROctetString.superclass.constructor.call(this, params);
2675 | this.hT = "04";
2676 | };
2677 | JSX.extend(KJUR.asn1.DEROctetString, KJUR.asn1.DERAbstractString);
2678 |
2679 | // ********************************************************************
2680 | /**
2681 | * class for ASN.1 DER Null
2682 | * @name KJUR.asn1.DERNull
2683 | * @class class for ASN.1 DER Null
2684 | * @extends KJUR.asn1.ASN1Object
2685 | * @description
2686 | * @see KJUR.asn1.ASN1Object - superclass
2687 | */
2688 | KJUR.asn1.DERNull = function() {
2689 | KJUR.asn1.DERNull.superclass.constructor.call(this);
2690 | this.hT = "05";
2691 | this.hTLV = "0500";
2692 | };
2693 | JSX.extend(KJUR.asn1.DERNull, KJUR.asn1.ASN1Object);
2694 |
2695 | // ********************************************************************
2696 | /**
2697 | * class for ASN.1 DER ObjectIdentifier
2698 | * @name KJUR.asn1.DERObjectIdentifier
2699 | * @class class for ASN.1 DER ObjectIdentifier
2700 | * @param {Array} params associative array of parameters (ex. {'oid': '2.5.4.5'})
2701 | * @extends KJUR.asn1.ASN1Object
2702 | * @description
2703 | *
2704 | * As for argument 'params' for constructor, you can specify one of
2705 | * following properties:
2706 | *
2707 | * - oid - specify initial ASN.1 value(V) by a oid string (ex. 2.5.4.13)
2708 | * - hex - specify initial ASN.1 value(V) by a hexadecimal string
2709 | *
2710 | * NOTE: 'params' can be omitted.
2711 | */
2712 | KJUR.asn1.DERObjectIdentifier = function(params) {
2713 | var itox = function(i) {
2714 | var h = i.toString(16);
2715 | if (h.length == 1) h = '0' + h;
2716 | return h;
2717 | };
2718 | var roidtox = function(roid) {
2719 | var h = '';
2720 | var bi = new BigInteger(roid, 10);
2721 | var b = bi.toString(2);
2722 | var padLen = 7 - b.length % 7;
2723 | if (padLen == 7) padLen = 0;
2724 | var bPad = '';
2725 | for (var i = 0; i < padLen; i++) bPad += '0';
2726 | b = bPad + b;
2727 | for (var i = 0; i < b.length - 1; i += 7) {
2728 | var b8 = b.substr(i, 7);
2729 | if (i != b.length - 7) b8 = '1' + b8;
2730 | h += itox(parseInt(b8, 2));
2731 | }
2732 | return h;
2733 | }
2734 |
2735 | KJUR.asn1.DERObjectIdentifier.superclass.constructor.call(this);
2736 | this.hT = "06";
2737 |
2738 | /**
2739 | * set value by a hexadecimal string
2740 | * @name setValueHex
2741 | * @memberOf KJUR.asn1.DERObjectIdentifier
2742 | * @function
2743 | * @param {String} newHexString hexadecimal value of OID bytes
2744 | */
2745 | this.setValueHex = function(newHexString) {
2746 | this.hTLV = null;
2747 | this.isModified = true;
2748 | this.s = null;
2749 | this.hV = newHexString;
2750 | };
2751 |
2752 | /**
2753 | * set value by a OID string
2754 | * @name setValueOidString
2755 | * @memberOf KJUR.asn1.DERObjectIdentifier
2756 | * @function
2757 | * @param {String} oidString OID string (ex. 2.5.4.13)
2758 | */
2759 | this.setValueOidString = function(oidString) {
2760 | if (! oidString.match(/^[0-9.]+$/)) {
2761 | throw "malformed oid string: " + oidString;
2762 | }
2763 | var h = '';
2764 | var a = oidString.split('.');
2765 | var i0 = parseInt(a[0]) * 40 + parseInt(a[1]);
2766 | h += itox(i0);
2767 | a.splice(0, 2);
2768 | for (var i = 0; i < a.length; i++) {
2769 | h += roidtox(a[i]);
2770 | }
2771 | this.hTLV = null;
2772 | this.isModified = true;
2773 | this.s = null;
2774 | this.hV = h;
2775 | };
2776 |
2777 | /**
2778 | * set value by a OID name
2779 | * @name setValueName
2780 | * @memberOf KJUR.asn1.DERObjectIdentifier
2781 | * @function
2782 | * @param {String} oidName OID name (ex. 'serverAuth')
2783 | * @since 1.0.1
2784 | * @description
2785 | * OID name shall be defined in 'KJUR.asn1.x509.OID.name2oidList'.
2786 | * Otherwise raise error.
2787 | */
2788 | this.setValueName = function(oidName) {
2789 | if (typeof KJUR.asn1.x509.OID.name2oidList[oidName] != "undefined") {
2790 | var oid = KJUR.asn1.x509.OID.name2oidList[oidName];
2791 | this.setValueOidString(oid);
2792 | } else {
2793 | throw "DERObjectIdentifier oidName undefined: " + oidName;
2794 | }
2795 | };
2796 |
2797 | this.getFreshValueHex = function() {
2798 | return this.hV;
2799 | };
2800 |
2801 | if (typeof params != "undefined") {
2802 | if (typeof params['oid'] != "undefined") {
2803 | this.setValueOidString(params['oid']);
2804 | } else if (typeof params['hex'] != "undefined") {
2805 | this.setValueHex(params['hex']);
2806 | } else if (typeof params['name'] != "undefined") {
2807 | this.setValueName(params['name']);
2808 | }
2809 | }
2810 | };
2811 | JSX.extend(KJUR.asn1.DERObjectIdentifier, KJUR.asn1.ASN1Object);
2812 |
2813 | // ********************************************************************
2814 | /**
2815 | * class for ASN.1 DER UTF8String
2816 | * @name KJUR.asn1.DERUTF8String
2817 | * @class class for ASN.1 DER UTF8String
2818 | * @param {Array} params associative array of parameters (ex. {'str': 'aaa'})
2819 | * @extends KJUR.asn1.DERAbstractString
2820 | * @description
2821 | * @see KJUR.asn1.DERAbstractString - superclass
2822 | */
2823 | KJUR.asn1.DERUTF8String = function(params) {
2824 | KJUR.asn1.DERUTF8String.superclass.constructor.call(this, params);
2825 | this.hT = "0c";
2826 | };
2827 | JSX.extend(KJUR.asn1.DERUTF8String, KJUR.asn1.DERAbstractString);
2828 |
2829 | // ********************************************************************
2830 | /**
2831 | * class for ASN.1 DER NumericString
2832 | * @name KJUR.asn1.DERNumericString
2833 | * @class class for ASN.1 DER NumericString
2834 | * @param {Array} params associative array of parameters (ex. {'str': 'aaa'})
2835 | * @extends KJUR.asn1.DERAbstractString
2836 | * @description
2837 | * @see KJUR.asn1.DERAbstractString - superclass
2838 | */
2839 | KJUR.asn1.DERNumericString = function(params) {
2840 | KJUR.asn1.DERNumericString.superclass.constructor.call(this, params);
2841 | this.hT = "12";
2842 | };
2843 | JSX.extend(KJUR.asn1.DERNumericString, KJUR.asn1.DERAbstractString);
2844 |
2845 | // ********************************************************************
2846 | /**
2847 | * class for ASN.1 DER PrintableString
2848 | * @name KJUR.asn1.DERPrintableString
2849 | * @class class for ASN.1 DER PrintableString
2850 | * @param {Array} params associative array of parameters (ex. {'str': 'aaa'})
2851 | * @extends KJUR.asn1.DERAbstractString
2852 | * @description
2853 | * @see KJUR.asn1.DERAbstractString - superclass
2854 | */
2855 | KJUR.asn1.DERPrintableString = function(params) {
2856 | KJUR.asn1.DERPrintableString.superclass.constructor.call(this, params);
2857 | this.hT = "13";
2858 | };
2859 | JSX.extend(KJUR.asn1.DERPrintableString, KJUR.asn1.DERAbstractString);
2860 |
2861 | // ********************************************************************
2862 | /**
2863 | * class for ASN.1 DER TeletexString
2864 | * @name KJUR.asn1.DERTeletexString
2865 | * @class class for ASN.1 DER TeletexString
2866 | * @param {Array} params associative array of parameters (ex. {'str': 'aaa'})
2867 | * @extends KJUR.asn1.DERAbstractString
2868 | * @description
2869 | * @see KJUR.asn1.DERAbstractString - superclass
2870 | */
2871 | KJUR.asn1.DERTeletexString = function(params) {
2872 | KJUR.asn1.DERTeletexString.superclass.constructor.call(this, params);
2873 | this.hT = "14";
2874 | };
2875 | JSX.extend(KJUR.asn1.DERTeletexString, KJUR.asn1.DERAbstractString);
2876 |
2877 | // ********************************************************************
2878 | /**
2879 | * class for ASN.1 DER IA5String
2880 | * @name KJUR.asn1.DERIA5String
2881 | * @class class for ASN.1 DER IA5String
2882 | * @param {Array} params associative array of parameters (ex. {'str': 'aaa'})
2883 | * @extends KJUR.asn1.DERAbstractString
2884 | * @description
2885 | * @see KJUR.asn1.DERAbstractString - superclass
2886 | */
2887 | KJUR.asn1.DERIA5String = function(params) {
2888 | KJUR.asn1.DERIA5String.superclass.constructor.call(this, params);
2889 | this.hT = "16";
2890 | };
2891 | JSX.extend(KJUR.asn1.DERIA5String, KJUR.asn1.DERAbstractString);
2892 |
2893 | // ********************************************************************
2894 | /**
2895 | * class for ASN.1 DER UTCTime
2896 | * @name KJUR.asn1.DERUTCTime
2897 | * @class class for ASN.1 DER UTCTime
2898 | * @param {Array} params associative array of parameters (ex. {'str': '130430235959Z'})
2899 | * @extends KJUR.asn1.DERAbstractTime
2900 | * @description
2901 | *
2902 | * As for argument 'params' for constructor, you can specify one of
2903 | * following properties:
2904 | *
2905 | * - str - specify initial ASN.1 value(V) by a string (ex.'130430235959Z')
2906 | * - hex - specify initial ASN.1 value(V) by a hexadecimal string
2907 | * - date - specify Date object.
2908 | *
2909 | * NOTE: 'params' can be omitted.
2910 | * EXAMPLES
2911 | * @example
2912 | * var d1 = new KJUR.asn1.DERUTCTime();
2913 | * d1.setString('130430125959Z');
2914 | *
2915 | * var d2 = new KJUR.asn1.DERUTCTime({'str': '130430125959Z'});
2916 | *
2917 | * var d3 = new KJUR.asn1.DERUTCTime({'date': new Date(Date.UTC(2015, 0, 31, 0, 0, 0, 0))});
2918 | */
2919 | KJUR.asn1.DERUTCTime = function(params) {
2920 | KJUR.asn1.DERUTCTime.superclass.constructor.call(this, params);
2921 | this.hT = "17";
2922 |
2923 | /**
2924 | * set value by a Date object
2925 | * @name setByDate
2926 | * @memberOf KJUR.asn1.DERUTCTime
2927 | * @function
2928 | * @param {Date} dateObject Date object to set ASN.1 value(V)
2929 | */
2930 | this.setByDate = function(dateObject) {
2931 | this.hTLV = null;
2932 | this.isModified = true;
2933 | this.date = dateObject;
2934 | this.s = this.formatDate(this.date, 'utc');
2935 | this.hV = stohex(this.s);
2936 | };
2937 |
2938 | if (typeof params != "undefined") {
2939 | if (typeof params['str'] != "undefined") {
2940 | this.setString(params['str']);
2941 | } else if (typeof params['hex'] != "undefined") {
2942 | this.setStringHex(params['hex']);
2943 | } else if (typeof params['date'] != "undefined") {
2944 | this.setByDate(params['date']);
2945 | }
2946 | }
2947 | };
2948 | JSX.extend(KJUR.asn1.DERUTCTime, KJUR.asn1.DERAbstractTime);
2949 |
2950 | // ********************************************************************
2951 | /**
2952 | * class for ASN.1 DER GeneralizedTime
2953 | * @name KJUR.asn1.DERGeneralizedTime
2954 | * @class class for ASN.1 DER GeneralizedTime
2955 | * @param {Array} params associative array of parameters (ex. {'str': '20130430235959Z'})
2956 | * @extends KJUR.asn1.DERAbstractTime
2957 | * @description
2958 | *
2959 | * As for argument 'params' for constructor, you can specify one of
2960 | * following properties:
2961 | *
2962 | * - str - specify initial ASN.1 value(V) by a string (ex.'20130430235959Z')
2963 | * - hex - specify initial ASN.1 value(V) by a hexadecimal string
2964 | * - date - specify Date object.
2965 | *
2966 | * NOTE: 'params' can be omitted.
2967 | */
2968 | KJUR.asn1.DERGeneralizedTime = function(params) {
2969 | KJUR.asn1.DERGeneralizedTime.superclass.constructor.call(this, params);
2970 | this.hT = "18";
2971 |
2972 | /**
2973 | * set value by a Date object
2974 | * @name setByDate
2975 | * @memberOf KJUR.asn1.DERGeneralizedTime
2976 | * @function
2977 | * @param {Date} dateObject Date object to set ASN.1 value(V)
2978 | * @example
2979 | * When you specify UTC time, use 'Date.UTC' method like this:
2980 | * var o = new DERUTCTime();
2981 | * var date = new Date(Date.UTC(2015, 0, 31, 23, 59, 59, 0)); #2015JAN31 23:59:59
2982 | * o.setByDate(date);
2983 | */
2984 | this.setByDate = function(dateObject) {
2985 | this.hTLV = null;
2986 | this.isModified = true;
2987 | this.date = dateObject;
2988 | this.s = this.formatDate(this.date, 'gen');
2989 | this.hV = stohex(this.s);
2990 | };
2991 |
2992 | if (typeof params != "undefined") {
2993 | if (typeof params['str'] != "undefined") {
2994 | this.setString(params['str']);
2995 | } else if (typeof params['hex'] != "undefined") {
2996 | this.setStringHex(params['hex']);
2997 | } else if (typeof params['date'] != "undefined") {
2998 | this.setByDate(params['date']);
2999 | }
3000 | }
3001 | };
3002 | JSX.extend(KJUR.asn1.DERGeneralizedTime, KJUR.asn1.DERAbstractTime);
3003 |
3004 | // ********************************************************************
3005 | /**
3006 | * class for ASN.1 DER Sequence
3007 | * @name KJUR.asn1.DERSequence
3008 | * @class class for ASN.1 DER Sequence
3009 | * @extends KJUR.asn1.DERAbstractStructured
3010 | * @description
3011 | *
3012 | * As for argument 'params' for constructor, you can specify one of
3013 | * following properties:
3014 | *
3015 | * - array - specify array of ASN1Object to set elements of content
3016 | *
3017 | * NOTE: 'params' can be omitted.
3018 | */
3019 | KJUR.asn1.DERSequence = function(params) {
3020 | KJUR.asn1.DERSequence.superclass.constructor.call(this, params);
3021 | this.hT = "30";
3022 | this.getFreshValueHex = function() {
3023 | var h = '';
3024 | for (var i = 0; i < this.asn1Array.length; i++) {
3025 | var asn1Obj = this.asn1Array[i];
3026 | h += asn1Obj.getEncodedHex();
3027 | }
3028 | this.hV = h;
3029 | return this.hV;
3030 | };
3031 | };
3032 | JSX.extend(KJUR.asn1.DERSequence, KJUR.asn1.DERAbstractStructured);
3033 |
3034 | // ********************************************************************
3035 | /**
3036 | * class for ASN.1 DER Set
3037 | * @name KJUR.asn1.DERSet
3038 | * @class class for ASN.1 DER Set
3039 | * @extends KJUR.asn1.DERAbstractStructured
3040 | * @description
3041 | *
3042 | * As for argument 'params' for constructor, you can specify one of
3043 | * following properties:
3044 | *
3045 | * - array - specify array of ASN1Object to set elements of content
3046 | *
3047 | * NOTE: 'params' can be omitted.
3048 | */
3049 | KJUR.asn1.DERSet = function(params) {
3050 | KJUR.asn1.DERSet.superclass.constructor.call(this, params);
3051 | this.hT = "31";
3052 | this.getFreshValueHex = function() {
3053 | var a = new Array();
3054 | for (var i = 0; i < this.asn1Array.length; i++) {
3055 | var asn1Obj = this.asn1Array[i];
3056 | a.push(asn1Obj.getEncodedHex());
3057 | }
3058 | a.sort();
3059 | this.hV = a.join('');
3060 | return this.hV;
3061 | };
3062 | };
3063 | JSX.extend(KJUR.asn1.DERSet, KJUR.asn1.DERAbstractStructured);
3064 |
3065 | // ********************************************************************
3066 | /**
3067 | * class for ASN.1 DER TaggedObject
3068 | * @name KJUR.asn1.DERTaggedObject
3069 | * @class class for ASN.1 DER TaggedObject
3070 | * @extends KJUR.asn1.ASN1Object
3071 | * @description
3072 | *
3073 | * Parameter 'tagNoNex' is ASN.1 tag(T) value for this object.
3074 | * For example, if you find '[1]' tag in a ASN.1 dump,
3075 | * 'tagNoHex' will be 'a1'.
3076 | *
3077 | * As for optional argument 'params' for constructor, you can specify *ANY* of
3078 | * following properties:
3079 | *
3080 | * - explicit - specify true if this is explicit tag otherwise false
3081 | * (default is 'true').
3082 | * - tag - specify tag (default is 'a0' which means [0])
3083 | * - obj - specify ASN1Object which is tagged
3084 | *
3085 | * @example
3086 | * d1 = new KJUR.asn1.DERUTF8String({'str':'a'});
3087 | * d2 = new KJUR.asn1.DERTaggedObject({'obj': d1});
3088 | * hex = d2.getEncodedHex();
3089 | */
3090 | KJUR.asn1.DERTaggedObject = function(params) {
3091 | KJUR.asn1.DERTaggedObject.superclass.constructor.call(this);
3092 | this.hT = "a0";
3093 | this.hV = '';
3094 | this.isExplicit = true;
3095 | this.asn1Object = null;
3096 |
3097 | /**
3098 | * set value by an ASN1Object
3099 | * @name setString
3100 | * @memberOf KJUR.asn1.DERTaggedObject
3101 | * @function
3102 | * @param {Boolean} isExplicitFlag flag for explicit/implicit tag
3103 | * @param {Integer} tagNoHex hexadecimal string of ASN.1 tag
3104 | * @param {ASN1Object} asn1Object ASN.1 to encapsulate
3105 | */
3106 | this.setASN1Object = function(isExplicitFlag, tagNoHex, asn1Object) {
3107 | this.hT = tagNoHex;
3108 | this.isExplicit = isExplicitFlag;
3109 | this.asn1Object = asn1Object;
3110 | if (this.isExplicit) {
3111 | this.hV = this.asn1Object.getEncodedHex();
3112 | this.hTLV = null;
3113 | this.isModified = true;
3114 | } else {
3115 | this.hV = null;
3116 | this.hTLV = asn1Object.getEncodedHex();
3117 | this.hTLV = this.hTLV.replace(/^../, tagNoHex);
3118 | this.isModified = false;
3119 | }
3120 | };
3121 |
3122 | this.getFreshValueHex = function() {
3123 | return this.hV;
3124 | };
3125 |
3126 | if (typeof params != "undefined") {
3127 | if (typeof params['tag'] != "undefined") {
3128 | this.hT = params['tag'];
3129 | }
3130 | if (typeof params['explicit'] != "undefined") {
3131 | this.isExplicit = params['explicit'];
3132 | }
3133 | if (typeof params['obj'] != "undefined") {
3134 | this.asn1Object = params['obj'];
3135 | this.setASN1Object(this.isExplicit, this.hT, this.asn1Object);
3136 | }
3137 | }
3138 | };
3139 | JSX.extend(KJUR.asn1.DERTaggedObject, KJUR.asn1.ASN1Object);// Hex JavaScript decoder
3140 | // Copyright (c) 2008-2013 Lapo Luchini
3141 |
3142 | // Permission to use, copy, modify, and/or distribute this software for any
3143 | // purpose with or without fee is hereby granted, provided that the above
3144 | // copyright notice and this permission notice appear in all copies.
3145 | //
3146 | // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
3147 | // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
3148 | // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
3149 | // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
3150 | // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
3151 | // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
3152 | // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
3153 |
3154 | /*jshint browser: true, strict: true, immed: true, latedef: true, undef: true, regexdash: false */
3155 | (function (undefined) {
3156 | "use strict";
3157 |
3158 | var Hex = {},
3159 | decoder;
3160 |
3161 | Hex.decode = function(a) {
3162 | var i;
3163 | if (decoder === undefined) {
3164 | var hex = "0123456789ABCDEF",
3165 | ignore = " \f\n\r\t\u00A0\u2028\u2029";
3166 | decoder = [];
3167 | for (i = 0; i < 16; ++i)
3168 | decoder[hex.charAt(i)] = i;
3169 | hex = hex.toLowerCase();
3170 | for (i = 10; i < 16; ++i)
3171 | decoder[hex.charAt(i)] = i;
3172 | for (i = 0; i < ignore.length; ++i)
3173 | decoder[ignore.charAt(i)] = -1;
3174 | }
3175 | var out = [],
3176 | bits = 0,
3177 | char_count = 0;
3178 | for (i = 0; i < a.length; ++i) {
3179 | var c = a.charAt(i);
3180 | if (c == '=')
3181 | break;
3182 | c = decoder[c];
3183 | if (c == -1)
3184 | continue;
3185 | if (c === undefined)
3186 | throw 'Illegal character at offset ' + i;
3187 | bits |= c;
3188 | if (++char_count >= 2) {
3189 | out[out.length] = bits;
3190 | bits = 0;
3191 | char_count = 0;
3192 | } else {
3193 | bits <<= 4;
3194 | }
3195 | }
3196 | if (char_count)
3197 | throw "Hex encoding incomplete: 4 bits missing";
3198 | return out;
3199 | };
3200 |
3201 | // export globals
3202 | window.Hex = Hex;
3203 | })();// Base64 JavaScript decoder
3204 | // Copyright (c) 2008-2013 Lapo Luchini
3205 |
3206 | // Permission to use, copy, modify, and/or distribute this software for any
3207 | // purpose with or without fee is hereby granted, provided that the above
3208 | // copyright notice and this permission notice appear in all copies.
3209 | //
3210 | // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
3211 | // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
3212 | // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
3213 | // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
3214 | // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
3215 | // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
3216 | // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
3217 |
3218 | /*jshint browser: true, strict: true, immed: true, latedef: true, undef: true, regexdash: false */
3219 | (function (undefined) {
3220 | "use strict";
3221 |
3222 | var Base64 = {},
3223 | decoder;
3224 |
3225 | Base64.decode = function (a) {
3226 | var i;
3227 | if (decoder === undefined) {
3228 | var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",
3229 | ignore = "= \f\n\r\t\u00A0\u2028\u2029";
3230 | decoder = [];
3231 | for (i = 0; i < 64; ++i)
3232 | decoder[b64.charAt(i)] = i;
3233 | for (i = 0; i < ignore.length; ++i)
3234 | decoder[ignore.charAt(i)] = -1;
3235 | }
3236 | var out = [];
3237 | var bits = 0, char_count = 0;
3238 | for (i = 0; i < a.length; ++i) {
3239 | var c = a.charAt(i);
3240 | if (c == '=')
3241 | break;
3242 | c = decoder[c];
3243 | if (c == -1)
3244 | continue;
3245 | if (c === undefined)
3246 | throw 'Illegal character at offset ' + i;
3247 | bits |= c;
3248 | if (++char_count >= 4) {
3249 | out[out.length] = (bits >> 16);
3250 | out[out.length] = (bits >> 8) & 0xFF;
3251 | out[out.length] = bits & 0xFF;
3252 | bits = 0;
3253 | char_count = 0;
3254 | } else {
3255 | bits <<= 6;
3256 | }
3257 | }
3258 | switch (char_count) {
3259 | case 1:
3260 | throw "Base64 encoding incomplete: at least 2 bits missing";
3261 | case 2:
3262 | out[out.length] = (bits >> 10);
3263 | break;
3264 | case 3:
3265 | out[out.length] = (bits >> 16);
3266 | out[out.length] = (bits >> 8) & 0xFF;
3267 | break;
3268 | }
3269 | return out;
3270 | };
3271 |
3272 | Base64.re = /-----BEGIN [^-]+-----([A-Za-z0-9+\/=\s]+)-----END [^-]+-----|begin-base64[^\n]+\n([A-Za-z0-9+\/=\s]+)====/;
3273 | Base64.unarmor = function (a) {
3274 | var m = Base64.re.exec(a);
3275 | if (m) {
3276 | if (m[1])
3277 | a = m[1];
3278 | else if (m[2])
3279 | a = m[2];
3280 | else
3281 | throw "RegExp out of sync";
3282 | }
3283 | return Base64.decode(a);
3284 | };
3285 |
3286 | // export globals
3287 | window.Base64 = Base64;
3288 | })();// ASN.1 JavaScript decoder
3289 | // Copyright (c) 2008-2013 Lapo Luchini
3290 |
3291 | // Permission to use, copy, modify, and/or distribute this software for any
3292 | // purpose with or without fee is hereby granted, provided that the above
3293 | // copyright notice and this permission notice appear in all copies.
3294 | //
3295 | // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
3296 | // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
3297 | // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
3298 | // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
3299 | // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
3300 | // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
3301 | // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
3302 |
3303 | /*jshint browser: true, strict: true, immed: true, latedef: true, undef: true, regexdash: false */
3304 | /*global oids */
3305 | (function (undefined) {
3306 | "use strict";
3307 |
3308 | var hardLimit = 100,
3309 | ellipsis = "\u2026",
3310 | DOM = {
3311 | tag: function (tagName, className) {
3312 | var t = document.createElement(tagName);
3313 | t.className = className;
3314 | return t;
3315 | },
3316 | text: function (str) {
3317 | return document.createTextNode(str);
3318 | }
3319 | };
3320 |
3321 | function Stream(enc, pos) {
3322 | if (enc instanceof Stream) {
3323 | this.enc = enc.enc;
3324 | this.pos = enc.pos;
3325 | } else {
3326 | this.enc = enc;
3327 | this.pos = pos;
3328 | }
3329 | }
3330 | Stream.prototype.get = function (pos) {
3331 | if (pos === undefined)
3332 | pos = this.pos++;
3333 | if (pos >= this.enc.length)
3334 | throw 'Requesting byte offset ' + pos + ' on a stream of length ' + this.enc.length;
3335 | return this.enc[pos];
3336 | };
3337 | Stream.prototype.hexDigits = "0123456789ABCDEF";
3338 | Stream.prototype.hexByte = function (b) {
3339 | return this.hexDigits.charAt((b >> 4) & 0xF) + this.hexDigits.charAt(b & 0xF);
3340 | };
3341 | Stream.prototype.hexDump = function (start, end, raw) {
3342 | var s = "";
3343 | for (var i = start; i < end; ++i) {
3344 | s += this.hexByte(this.get(i));
3345 | if (raw !== true)
3346 | switch (i & 0xF) {
3347 | case 0x7: s += " "; break;
3348 | case 0xF: s += "\n"; break;
3349 | default: s += " ";
3350 | }
3351 | }
3352 | return s;
3353 | };
3354 | Stream.prototype.parseStringISO = function (start, end) {
3355 | var s = "";
3356 | for (var i = start; i < end; ++i)
3357 | s += String.fromCharCode(this.get(i));
3358 | return s;
3359 | };
3360 | Stream.prototype.parseStringUTF = function (start, end) {
3361 | var s = "";
3362 | for (var i = start; i < end; ) {
3363 | var c = this.get(i++);
3364 | if (c < 128)
3365 | s += String.fromCharCode(c);
3366 | else if ((c > 191) && (c < 224))
3367 | s += String.fromCharCode(((c & 0x1F) << 6) | (this.get(i++) & 0x3F));
3368 | else
3369 | s += String.fromCharCode(((c & 0x0F) << 12) | ((this.get(i++) & 0x3F) << 6) | (this.get(i++) & 0x3F));
3370 | }
3371 | return s;
3372 | };
3373 | Stream.prototype.parseStringBMP = function (start, end) {
3374 | var str = ""
3375 | for (var i = start; i < end; i += 2) {
3376 | var high_byte = this.get(i);
3377 | var low_byte = this.get(i + 1);
3378 | str += String.fromCharCode( (high_byte << 8) + low_byte );
3379 | }
3380 |
3381 | return str;
3382 | };
3383 | Stream.prototype.reTime = /^((?:1[89]|2\d)?\d\d)(0[1-9]|1[0-2])(0[1-9]|[12]\d|3[01])([01]\d|2[0-3])(?:([0-5]\d)(?:([0-5]\d)(?:[.,](\d{1,3}))?)?)?(Z|[-+](?:[0]\d|1[0-2])([0-5]\d)?)?$/;
3384 | Stream.prototype.parseTime = function (start, end) {
3385 | var s = this.parseStringISO(start, end),
3386 | m = this.reTime.exec(s);
3387 | if (!m)
3388 | return "Unrecognized time: " + s;
3389 | s = m[1] + "-" + m[2] + "-" + m[3] + " " + m[4];
3390 | if (m[5]) {
3391 | s += ":" + m[5];
3392 | if (m[6]) {
3393 | s += ":" + m[6];
3394 | if (m[7])
3395 | s += "." + m[7];
3396 | }
3397 | }
3398 | if (m[8]) {
3399 | s += " UTC";
3400 | if (m[8] != 'Z') {
3401 | s += m[8];
3402 | if (m[9])
3403 | s += ":" + m[9];
3404 | }
3405 | }
3406 | return s;
3407 | };
3408 | Stream.prototype.parseInteger = function (start, end) {
3409 | //TODO support negative numbers
3410 | var len = end - start;
3411 | if (len > 4) {
3412 | len <<= 3;
3413 | var s = this.get(start);
3414 | if (s === 0)
3415 | len -= 8;
3416 | else
3417 | while (s < 128) {
3418 | s <<= 1;
3419 | --len;
3420 | }
3421 | return "(" + len + " bit)";
3422 | }
3423 | var n = 0;
3424 | for (var i = start; i < end; ++i)
3425 | n = (n << 8) | this.get(i);
3426 | return n;
3427 | };
3428 | Stream.prototype.parseBitString = function (start, end) {
3429 | var unusedBit = this.get(start),
3430 | lenBit = ((end - start - 1) << 3) - unusedBit,
3431 | s = "(" + lenBit + " bit)";
3432 | if (lenBit <= 20) {
3433 | var skip = unusedBit;
3434 | s += " ";
3435 | for (var i = end - 1; i > start; --i) {
3436 | var b = this.get(i);
3437 | for (var j = skip; j < 8; ++j)
3438 | s += (b >> j) & 1 ? "1" : "0";
3439 | skip = 0;
3440 | }
3441 | }
3442 | return s;
3443 | };
3444 | Stream.prototype.parseOctetString = function (start, end) {
3445 | var len = end - start,
3446 | s = "(" + len + " byte) ";
3447 | if (len > hardLimit)
3448 | end = start + hardLimit;
3449 | for (var i = start; i < end; ++i)
3450 | s += this.hexByte(this.get(i)); //TODO: also try Latin1?
3451 | if (len > hardLimit)
3452 | s += ellipsis;
3453 | return s;
3454 | };
3455 | Stream.prototype.parseOID = function (start, end) {
3456 | var s = '',
3457 | n = 0,
3458 | bits = 0;
3459 | for (var i = start; i < end; ++i) {
3460 | var v = this.get(i);
3461 | n = (n << 7) | (v & 0x7F);
3462 | bits += 7;
3463 | if (!(v & 0x80)) { // finished
3464 | if (s === '') {
3465 | var m = n < 80 ? n < 40 ? 0 : 1 : 2;
3466 | s = m + "." + (n - m * 40);
3467 | } else
3468 | s += "." + ((bits >= 31) ? "bigint" : n);
3469 | n = bits = 0;
3470 | }
3471 | }
3472 | return s;
3473 | };
3474 |
3475 | function ASN1(stream, header, length, tag, sub) {
3476 | this.stream = stream;
3477 | this.header = header;
3478 | this.length = length;
3479 | this.tag = tag;
3480 | this.sub = sub;
3481 | }
3482 | ASN1.prototype.typeName = function () {
3483 | if (this.tag === undefined)
3484 | return "unknown";
3485 | var tagClass = this.tag >> 6,
3486 | tagConstructed = (this.tag >> 5) & 1,
3487 | tagNumber = this.tag & 0x1F;
3488 | switch (tagClass) {
3489 | case 0: // universal
3490 | switch (tagNumber) {
3491 | case 0x00: return "EOC";
3492 | case 0x01: return "BOOLEAN";
3493 | case 0x02: return "INTEGER";
3494 | case 0x03: return "BIT_STRING";
3495 | case 0x04: return "OCTET_STRING";
3496 | case 0x05: return "NULL";
3497 | case 0x06: return "OBJECT_IDENTIFIER";
3498 | case 0x07: return "ObjectDescriptor";
3499 | case 0x08: return "EXTERNAL";
3500 | case 0x09: return "REAL";
3501 | case 0x0A: return "ENUMERATED";
3502 | case 0x0B: return "EMBEDDED_PDV";
3503 | case 0x0C: return "UTF8String";
3504 | case 0x10: return "SEQUENCE";
3505 | case 0x11: return "SET";
3506 | case 0x12: return "NumericString";
3507 | case 0x13: return "PrintableString"; // ASCII subset
3508 | case 0x14: return "TeletexString"; // aka T61String
3509 | case 0x15: return "VideotexString";
3510 | case 0x16: return "IA5String"; // ASCII
3511 | case 0x17: return "UTCTime";
3512 | case 0x18: return "GeneralizedTime";
3513 | case 0x19: return "GraphicString";
3514 | case 0x1A: return "VisibleString"; // ASCII subset
3515 | case 0x1B: return "GeneralString";
3516 | case 0x1C: return "UniversalString";
3517 | case 0x1E: return "BMPString";
3518 | default: return "Universal_" + tagNumber.toString(16);
3519 | }
3520 | case 1: return "Application_" + tagNumber.toString(16);
3521 | case 2: return "[" + tagNumber + "]"; // Context
3522 | case 3: return "Private_" + tagNumber.toString(16);
3523 | }
3524 | };
3525 | ASN1.prototype.reSeemsASCII = /^[ -~]+$/;
3526 | ASN1.prototype.content = function () {
3527 | if (this.tag === undefined)
3528 | return null;
3529 | var tagClass = this.tag >> 6,
3530 | tagNumber = this.tag & 0x1F,
3531 | content = this.posContent(),
3532 | len = Math.abs(this.length);
3533 | if (tagClass !== 0) { // universal
3534 | if (this.sub !== null)
3535 | return "(" + this.sub.length + " elem)";
3536 | //TODO: TRY TO PARSE ASCII STRING
3537 | var s = this.stream.parseStringISO(content, content + Math.min(len, hardLimit));
3538 | if (this.reSeemsASCII.test(s))
3539 | return s.substring(0, 2 * hardLimit) + ((s.length > 2 * hardLimit) ? ellipsis : "");
3540 | else
3541 | return this.stream.parseOctetString(content, content + len);
3542 | }
3543 | switch (tagNumber) {
3544 | case 0x01: // BOOLEAN
3545 | return (this.stream.get(content) === 0) ? "false" : "true";
3546 | case 0x02: // INTEGER
3547 | return this.stream.parseInteger(content, content + len);
3548 | case 0x03: // BIT_STRING
3549 | return this.sub ? "(" + this.sub.length + " elem)" :
3550 | this.stream.parseBitString(content, content + len);
3551 | case 0x04: // OCTET_STRING
3552 | return this.sub ? "(" + this.sub.length + " elem)" :
3553 | this.stream.parseOctetString(content, content + len);
3554 | //case 0x05: // NULL
3555 | case 0x06: // OBJECT_IDENTIFIER
3556 | return this.stream.parseOID(content, content + len);
3557 | //case 0x07: // ObjectDescriptor
3558 | //case 0x08: // EXTERNAL
3559 | //case 0x09: // REAL
3560 | //case 0x0A: // ENUMERATED
3561 | //case 0x0B: // EMBEDDED_PDV
3562 | case 0x10: // SEQUENCE
3563 | case 0x11: // SET
3564 | return "(" + this.sub.length + " elem)";
3565 | case 0x0C: // UTF8String
3566 | return this.stream.parseStringUTF(content, content + len);
3567 | case 0x12: // NumericString
3568 | case 0x13: // PrintableString
3569 | case 0x14: // TeletexString
3570 | case 0x15: // VideotexString
3571 | case 0x16: // IA5String
3572 | //case 0x19: // GraphicString
3573 | case 0x1A: // VisibleString
3574 | //case 0x1B: // GeneralString
3575 | //case 0x1C: // UniversalString
3576 | return this.stream.parseStringISO(content, content + len);
3577 | case 0x1E: // BMPString
3578 | return this.stream.parseStringBMP(content, content + len);
3579 | case 0x17: // UTCTime
3580 | case 0x18: // GeneralizedTime
3581 | return this.stream.parseTime(content, content + len);
3582 | }
3583 | return null;
3584 | };
3585 | ASN1.prototype.toString = function () {
3586 | return this.typeName() + "@" + this.stream.pos + "[header:" + this.header + ",length:" + this.length + ",sub:" + ((this.sub === null) ? 'null' : this.sub.length) + "]";
3587 | };
3588 | ASN1.prototype.print = function (indent) {
3589 | if (indent === undefined) indent = '';
3590 | document.writeln(indent + this);
3591 | if (this.sub !== null) {
3592 | indent += ' ';
3593 | for (var i = 0, max = this.sub.length; i < max; ++i)
3594 | this.sub[i].print(indent);
3595 | }
3596 | };
3597 | ASN1.prototype.toPrettyString = function (indent) {
3598 | if (indent === undefined) indent = '';
3599 | var s = indent + this.typeName() + " @" + this.stream.pos;
3600 | if (this.length >= 0)
3601 | s += "+";
3602 | s += this.length;
3603 | if (this.tag & 0x20)
3604 | s += " (constructed)";
3605 | else if (((this.tag == 0x03) || (this.tag == 0x04)) && (this.sub !== null))
3606 | s += " (encapsulates)";
3607 | s += "\n";
3608 | if (this.sub !== null) {
3609 | indent += ' ';
3610 | for (var i = 0, max = this.sub.length; i < max; ++i)
3611 | s += this.sub[i].toPrettyString(indent);
3612 | }
3613 | return s;
3614 | };
3615 | ASN1.prototype.toDOM = function () {
3616 | var node = DOM.tag("div", "node");
3617 | node.asn1 = this;
3618 | var head = DOM.tag("div", "head");
3619 | var s = this.typeName().replace(/_/g, " ");
3620 | head.innerHTML = s;
3621 | var content = this.content();
3622 | if (content !== null) {
3623 | content = String(content).replace(/";
3633 | s += "Length: " + this.header + "+";
3634 | if (this.length >= 0)
3635 | s += this.length;
3636 | else
3637 | s += (-this.length) + " (undefined)";
3638 | if (this.tag & 0x20)
3639 | s += "
(constructed)";
3640 | else if (((this.tag == 0x03) || (this.tag == 0x04)) && (this.sub !== null))
3641 | s += "
(encapsulates)";
3642 | //TODO if (this.tag == 0x03) s += "Unused bits: "
3643 | if (content !== null) {
3644 | s += "
Value:
" + content + "";
3645 | if ((typeof oids === 'object') && (this.tag == 0x06)) {
3646 | var oid = oids[content];
3647 | if (oid) {
3648 | if (oid.d) s += "
" + oid.d;
3649 | if (oid.c) s += "
" + oid.c;
3650 | if (oid.w) s += "
(warning!)";
3651 | }
3652 | }
3653 | }
3654 | value.innerHTML = s;
3655 | node.appendChild(value);
3656 | var sub = DOM.tag("div", "sub");
3657 | if (this.sub !== null) {
3658 | for (var i = 0, max = this.sub.length; i < max; ++i)
3659 | sub.appendChild(this.sub[i].toDOM());
3660 | }
3661 | node.appendChild(sub);
3662 | head.onclick = function () {
3663 | node.className = (node.className == "node collapsed") ? "node" : "node collapsed";
3664 | };
3665 | return node;
3666 | };
3667 | ASN1.prototype.posStart = function () {
3668 | return this.stream.pos;
3669 | };
3670 | ASN1.prototype.posContent = function () {
3671 | return this.stream.pos + this.header;
3672 | };
3673 | ASN1.prototype.posEnd = function () {
3674 | return this.stream.pos + this.header + Math.abs(this.length);
3675 | };
3676 | ASN1.prototype.fakeHover = function (current) {
3677 | this.node.className += " hover";
3678 | if (current)
3679 | this.head.className += " hover";
3680 | };
3681 | ASN1.prototype.fakeOut = function (current) {
3682 | var re = / ?hover/;
3683 | this.node.className = this.node.className.replace(re, "");
3684 | if (current)
3685 | this.head.className = this.head.className.replace(re, "");
3686 | };
3687 | ASN1.prototype.toHexDOM_sub = function (node, className, stream, start, end) {
3688 | if (start >= end)
3689 | return;
3690 | var sub = DOM.tag("span", className);
3691 | sub.appendChild(DOM.text(
3692 | stream.hexDump(start, end)));
3693 | node.appendChild(sub);
3694 | };
3695 | ASN1.prototype.toHexDOM = function (root) {
3696 | var node = DOM.tag("span", "hex");
3697 | if (root === undefined) root = node;
3698 | this.head.hexNode = node;
3699 | this.head.onmouseover = function () { this.hexNode.className = "hexCurrent"; };
3700 | this.head.onmouseout = function () { this.hexNode.className = "hex"; };
3701 | node.asn1 = this;
3702 | node.onmouseover = function () {
3703 | var current = !root.selected;
3704 | if (current) {
3705 | root.selected = this.asn1;
3706 | this.className = "hexCurrent";
3707 | }
3708 | this.asn1.fakeHover(current);
3709 | };
3710 | node.onmouseout = function () {
3711 | var current = (root.selected == this.asn1);
3712 | this.asn1.fakeOut(current);
3713 | if (current) {
3714 | root.selected = null;
3715 | this.className = "hex";
3716 | }
3717 | };
3718 | this.toHexDOM_sub(node, "tag", this.stream, this.posStart(), this.posStart() + 1);
3719 | this.toHexDOM_sub(node, (this.length >= 0) ? "dlen" : "ulen", this.stream, this.posStart() + 1, this.posContent());
3720 | if (this.sub === null)
3721 | node.appendChild(DOM.text(
3722 | this.stream.hexDump(this.posContent(), this.posEnd())));
3723 | else if (this.sub.length > 0) {
3724 | var first = this.sub[0];
3725 | var last = this.sub[this.sub.length - 1];
3726 | this.toHexDOM_sub(node, "intro", this.stream, this.posContent(), first.posStart());
3727 | for (var i = 0, max = this.sub.length; i < max; ++i)
3728 | node.appendChild(this.sub[i].toHexDOM(root));
3729 | this.toHexDOM_sub(node, "outro", this.stream, last.posEnd(), this.posEnd());
3730 | }
3731 | return node;
3732 | };
3733 | ASN1.prototype.toHexString = function (root) {
3734 | return this.stream.hexDump(this.posStart(), this.posEnd(), true);
3735 | };
3736 | ASN1.decodeLength = function (stream) {
3737 | var buf = stream.get(),
3738 | len = buf & 0x7F;
3739 | if (len == buf)
3740 | return len;
3741 | if (len > 3)
3742 | throw "Length over 24 bits not supported at position " + (stream.pos - 1);
3743 | if (len === 0)
3744 | return -1; // undefined
3745 | buf = 0;
3746 | for (var i = 0; i < len; ++i)
3747 | buf = (buf << 8) | stream.get();
3748 | return buf;
3749 | };
3750 | ASN1.hasContent = function (tag, len, stream) {
3751 | if (tag & 0x20) // constructed
3752 | return true;
3753 | if ((tag < 0x03) || (tag > 0x04))
3754 | return false;
3755 | var p = new Stream(stream);
3756 | if (tag == 0x03) p.get(); // BitString unused bits, must be in [0, 7]
3757 | var subTag = p.get();
3758 | if ((subTag >> 6) & 0x01) // not (universal or context)
3759 | return false;
3760 | try {
3761 | var subLength = ASN1.decodeLength(p);
3762 | return ((p.pos - stream.pos) + subLength == len);
3763 | } catch (exception) {
3764 | return false;
3765 | }
3766 | };
3767 | ASN1.decode = function (stream) {
3768 | if (!(stream instanceof Stream))
3769 | stream = new Stream(stream, 0);
3770 | var streamStart = new Stream(stream),
3771 | tag = stream.get(),
3772 | len = ASN1.decodeLength(stream),
3773 | header = stream.pos - streamStart.pos,
3774 | sub = null;
3775 | if (ASN1.hasContent(tag, len, stream)) {
3776 | // it has content, so we decode it
3777 | var start = stream.pos;
3778 | if (tag == 0x03) stream.get(); // skip BitString unused bits, must be in [0, 7]
3779 | sub = [];
3780 | if (len >= 0) {
3781 | // definite length
3782 | var end = start + len;
3783 | while (stream.pos < end)
3784 | sub[sub.length] = ASN1.decode(stream);
3785 | if (stream.pos != end)
3786 | throw "Content size is not correct for container starting at offset " + start;
3787 | } else {
3788 | // undefined length
3789 | try {
3790 | for (;;) {
3791 | var s = ASN1.decode(stream);
3792 | if (s.tag === 0)
3793 | break;
3794 | sub[sub.length] = s;
3795 | }
3796 | len = start - stream.pos;
3797 | } catch (e) {
3798 | throw "Exception while decoding undefined length content: " + e;
3799 | }
3800 | }
3801 | } else
3802 | stream.pos += len; // skip content
3803 | return new ASN1(streamStart, header, len, tag, sub);
3804 | };
3805 | ASN1.test = function () {
3806 | var test = [
3807 | { value: [0x27], expected: 0x27 },
3808 | { value: [0x81, 0xC9], expected: 0xC9 },
3809 | { value: [0x83, 0xFE, 0xDC, 0xBA], expected: 0xFEDCBA }
3810 | ];
3811 | for (var i = 0, max = test.length; i < max; ++i) {
3812 | var pos = 0,
3813 | stream = new Stream(test[i].value, 0),
3814 | res = ASN1.decodeLength(stream);
3815 | if (res != test[i].expected)
3816 | document.write("In test[" + i + "] expected " + test[i].expected + " got " + res + "\n");
3817 | }
3818 | };
3819 |
3820 | // export globals
3821 | window.ASN1 = ASN1;
3822 | })();/**
3823 | * Retrieve the hexadecimal value (as a string) of the current ASN.1 element
3824 | * @returns {string}
3825 | * @public
3826 | */
3827 | ASN1.prototype.getHexStringValue = function () {
3828 | var hexString = this.toHexString();
3829 | var offset = this.header * 2;
3830 | var length = this.length * 2;
3831 | return hexString.substr(offset, length);
3832 | };
3833 |
3834 | /**
3835 | * Method to parse a pem encoded string containing both a public or private key.
3836 | * The method will translate the pem encoded string in a der encoded string and
3837 | * will parse private key and public key parameters. This method accepts public key
3838 | * in the rsaencryption pkcs #1 format (oid: 1.2.840.113549.1.1.1).
3839 | *
3840 | * @todo Check how many rsa formats use the same format of pkcs #1.
3841 | *
3842 | * The format is defined as:
3843 | * PublicKeyInfo ::= SEQUENCE {
3844 | * algorithm AlgorithmIdentifier,
3845 | * PublicKey BIT STRING
3846 | * }
3847 | * Where AlgorithmIdentifier is:
3848 | * AlgorithmIdentifier ::= SEQUENCE {
3849 | * algorithm OBJECT IDENTIFIER, the OID of the enc algorithm
3850 | * parameters ANY DEFINED BY algorithm OPTIONAL (NULL for PKCS #1)
3851 | * }
3852 | * and PublicKey is a SEQUENCE encapsulated in a BIT STRING
3853 | * RSAPublicKey ::= SEQUENCE {
3854 | * modulus INTEGER, -- n
3855 | * publicExponent INTEGER -- e
3856 | * }
3857 | * it's possible to examine the structure of the keys obtained from openssl using
3858 | * an asn.1 dumper as the one used here to parse the components: http://lapo.it/asn1js/
3859 | * @argument {string} pem the pem encoded string, can include the BEGIN/END header/footer
3860 | * @private
3861 | */
3862 | RSAKey.prototype.parseKey = function (pem) {
3863 | try {
3864 | var modulus = 0;
3865 | var public_exponent = 0;
3866 | var reHex = /^\s*(?:[0-9A-Fa-f][0-9A-Fa-f]\s*)+$/;
3867 | var der = reHex.test(pem) ? Hex.decode(pem) : Base64.unarmor(pem);
3868 | var asn1 = ASN1.decode(der);
3869 |
3870 | //Fixes a bug with OpenSSL 1.0+ private keys
3871 | if(asn1.sub.length === 3){
3872 | asn1 = asn1.sub[2].sub[0];
3873 | }
3874 | if (asn1.sub.length === 9) {
3875 |
3876 | // Parse the private key.
3877 | modulus = asn1.sub[1].getHexStringValue(); //bigint
3878 | this.n = parseBigInt(modulus, 16);
3879 |
3880 | public_exponent = asn1.sub[2].getHexStringValue(); //int
3881 | this.e = parseInt(public_exponent, 16);
3882 |
3883 | var private_exponent = asn1.sub[3].getHexStringValue(); //bigint
3884 | this.d = parseBigInt(private_exponent, 16);
3885 |
3886 | var prime1 = asn1.sub[4].getHexStringValue(); //bigint
3887 | this.p = parseBigInt(prime1, 16);
3888 |
3889 | var prime2 = asn1.sub[5].getHexStringValue(); //bigint
3890 | this.q = parseBigInt(prime2, 16);
3891 |
3892 | var exponent1 = asn1.sub[6].getHexStringValue(); //bigint
3893 | this.dmp1 = parseBigInt(exponent1, 16);
3894 |
3895 | var exponent2 = asn1.sub[7].getHexStringValue(); //bigint
3896 | this.dmq1 = parseBigInt(exponent2, 16);
3897 |
3898 | var coefficient = asn1.sub[8].getHexStringValue(); //bigint
3899 | this.coeff = parseBigInt(coefficient, 16);
3900 |
3901 | }
3902 | else if (asn1.sub.length === 2) {
3903 |
3904 | // Parse the public key.
3905 | var bit_string = asn1.sub[1];
3906 | var sequence = bit_string.sub[0];
3907 |
3908 | modulus = sequence.sub[0].getHexStringValue();
3909 | this.n = parseBigInt(modulus, 16);
3910 | public_exponent = sequence.sub[1].getHexStringValue();
3911 | this.e = parseInt(public_exponent, 16);
3912 |
3913 | }
3914 | else {
3915 | return false;
3916 | }
3917 | return true;
3918 | }
3919 | catch (ex) {
3920 | return false;
3921 | }
3922 | };
3923 |
3924 | /**
3925 | * Translate rsa parameters in a hex encoded string representing the rsa key.
3926 | *
3927 | * The translation follow the ASN.1 notation :
3928 | * RSAPrivateKey ::= SEQUENCE {
3929 | * version Version,
3930 | * modulus INTEGER, -- n
3931 | * publicExponent INTEGER, -- e
3932 | * privateExponent INTEGER, -- d
3933 | * prime1 INTEGER, -- p
3934 | * prime2 INTEGER, -- q
3935 | * exponent1 INTEGER, -- d mod (p1)
3936 | * exponent2 INTEGER, -- d mod (q-1)
3937 | * coefficient INTEGER, -- (inverse of q) mod p
3938 | * }
3939 | * @returns {string} DER Encoded String representing the rsa private key
3940 | * @private
3941 | */
3942 | RSAKey.prototype.getPrivateBaseKey = function () {
3943 | var options = {
3944 | 'array': [
3945 | new KJUR.asn1.DERInteger({'int': 0}),
3946 | new KJUR.asn1.DERInteger({'bigint': this.n}),
3947 | new KJUR.asn1.DERInteger({'int': this.e}),
3948 | new KJUR.asn1.DERInteger({'bigint': this.d}),
3949 | new KJUR.asn1.DERInteger({'bigint': this.p}),
3950 | new KJUR.asn1.DERInteger({'bigint': this.q}),
3951 | new KJUR.asn1.DERInteger({'bigint': this.dmp1}),
3952 | new KJUR.asn1.DERInteger({'bigint': this.dmq1}),
3953 | new KJUR.asn1.DERInteger({'bigint': this.coeff})
3954 | ]
3955 | };
3956 | var seq = new KJUR.asn1.DERSequence(options);
3957 | return seq.getEncodedHex();
3958 | };
3959 |
3960 | /**
3961 | * base64 (pem) encoded version of the DER encoded representation
3962 | * @returns {string} pem encoded representation without header and footer
3963 | * @public
3964 | */
3965 | RSAKey.prototype.getPrivateBaseKeyB64 = function () {
3966 | return hex2b64(this.getPrivateBaseKey());
3967 | };
3968 |
3969 | /**
3970 | * Translate rsa parameters in a hex encoded string representing the rsa public key.
3971 | * The representation follow the ASN.1 notation :
3972 | * PublicKeyInfo ::= SEQUENCE {
3973 | * algorithm AlgorithmIdentifier,
3974 | * PublicKey BIT STRING
3975 | * }
3976 | * Where AlgorithmIdentifier is:
3977 | * AlgorithmIdentifier ::= SEQUENCE {
3978 | * algorithm OBJECT IDENTIFIER, the OID of the enc algorithm
3979 | * parameters ANY DEFINED BY algorithm OPTIONAL (NULL for PKCS #1)
3980 | * }
3981 | * and PublicKey is a SEQUENCE encapsulated in a BIT STRING
3982 | * RSAPublicKey ::= SEQUENCE {
3983 | * modulus INTEGER, -- n
3984 | * publicExponent INTEGER -- e
3985 | * }
3986 | * @returns {string} DER Encoded String representing the rsa public key
3987 | * @private
3988 | */
3989 | RSAKey.prototype.getPublicBaseKey = function () {
3990 | var options = {
3991 | 'array': [
3992 | new KJUR.asn1.DERObjectIdentifier({'oid': '1.2.840.113549.1.1.1'}), //RSA Encryption pkcs #1 oid
3993 | new KJUR.asn1.DERNull()
3994 | ]
3995 | };
3996 | var first_sequence = new KJUR.asn1.DERSequence(options);
3997 |
3998 | options = {
3999 | 'array': [
4000 | new KJUR.asn1.DERInteger({'bigint': this.n}),
4001 | new KJUR.asn1.DERInteger({'int': this.e})
4002 | ]
4003 | };
4004 | var second_sequence = new KJUR.asn1.DERSequence(options);
4005 |
4006 | options = {
4007 | 'hex': '00' + second_sequence.getEncodedHex()
4008 | };
4009 | var bit_string = new KJUR.asn1.DERBitString(options);
4010 |
4011 | options = {
4012 | 'array': [
4013 | first_sequence,
4014 | bit_string
4015 | ]
4016 | };
4017 | var seq = new KJUR.asn1.DERSequence(options);
4018 | return seq.getEncodedHex();
4019 | };
4020 |
4021 | /**
4022 | * base64 (pem) encoded version of the DER encoded representation
4023 | * @returns {string} pem encoded representation without header and footer
4024 | * @public
4025 | */
4026 | RSAKey.prototype.getPublicBaseKeyB64 = function () {
4027 | return hex2b64(this.getPublicBaseKey());
4028 | };
4029 |
4030 | /**
4031 | * wrap the string in block of width chars. The default value for rsa keys is 64
4032 | * characters.
4033 | * @param {string} str the pem encoded string without header and footer
4034 | * @param {Number} [width=64] - the length the string has to be wrapped at
4035 | * @returns {string}
4036 | * @private
4037 | */
4038 | RSAKey.prototype.wordwrap = function (str, width) {
4039 | width = width || 64;
4040 | if (!str) {
4041 | return str;
4042 | }
4043 | var regex = '(.{1,' + width + '})( +|$\n?)|(.{1,' + width + '})';
4044 | return str.match(RegExp(regex, 'g')).join('\n');
4045 | };
4046 |
4047 | /**
4048 | * Retrieve the pem encoded private key
4049 | * @returns {string} the pem encoded private key with header/footer
4050 | * @public
4051 | */
4052 | RSAKey.prototype.getPrivateKey = function () {
4053 | var key = "-----BEGIN RSA PRIVATE KEY-----\n";
4054 | key += this.wordwrap(this.getPrivateBaseKeyB64()) + "\n";
4055 | key += "-----END RSA PRIVATE KEY-----";
4056 | return key;
4057 | };
4058 |
4059 | /**
4060 | * Retrieve the pem encoded public key
4061 | * @returns {string} the pem encoded public key with header/footer
4062 | * @public
4063 | */
4064 | RSAKey.prototype.getPublicKey = function () {
4065 | var key = "-----BEGIN PUBLIC KEY-----\n";
4066 | key += this.wordwrap(this.getPublicBaseKeyB64()) + "\n";
4067 | key += "-----END PUBLIC KEY-----";
4068 | return key;
4069 | };
4070 |
4071 | /**
4072 | * Check if the object contains the necessary parameters to populate the rsa modulus
4073 | * and public exponent parameters.
4074 | * @param {Object} [obj={}] - An object that may contain the two public key
4075 | * parameters
4076 | * @returns {boolean} true if the object contains both the modulus and the public exponent
4077 | * properties (n and e)
4078 | * @todo check for types of n and e. N should be a parseable bigInt object, E should
4079 | * be a parseable integer number
4080 | * @private
4081 | */
4082 | RSAKey.prototype.hasPublicKeyProperty = function (obj) {
4083 | obj = obj || {};
4084 | return (
4085 | obj.hasOwnProperty('n') &&
4086 | obj.hasOwnProperty('e')
4087 | );
4088 | };
4089 |
4090 | /**
4091 | * Check if the object contains ALL the parameters of an RSA key.
4092 | * @param {Object} [obj={}] - An object that may contain nine rsa key
4093 | * parameters
4094 | * @returns {boolean} true if the object contains all the parameters needed
4095 | * @todo check for types of the parameters all the parameters but the public exponent
4096 | * should be parseable bigint objects, the public exponent should be a parseable integer number
4097 | * @private
4098 | */
4099 | RSAKey.prototype.hasPrivateKeyProperty = function (obj) {
4100 | obj = obj || {};
4101 | return (
4102 | obj.hasOwnProperty('n') &&
4103 | obj.hasOwnProperty('e') &&
4104 | obj.hasOwnProperty('d') &&
4105 | obj.hasOwnProperty('p') &&
4106 | obj.hasOwnProperty('q') &&
4107 | obj.hasOwnProperty('dmp1') &&
4108 | obj.hasOwnProperty('dmq1') &&
4109 | obj.hasOwnProperty('coeff')
4110 | );
4111 | };
4112 |
4113 | /**
4114 | * Parse the properties of obj in the current rsa object. Obj should AT LEAST
4115 | * include the modulus and public exponent (n, e) parameters.
4116 | * @param {Object} obj - the object containing rsa parameters
4117 | * @private
4118 | */
4119 | RSAKey.prototype.parsePropertiesFrom = function (obj) {
4120 | this.n = obj.n;
4121 | this.e = obj.e;
4122 |
4123 | if (obj.hasOwnProperty('d')) {
4124 | this.d = obj.d;
4125 | this.p = obj.p;
4126 | this.q = obj.q;
4127 | this.dmp1 = obj.dmp1;
4128 | this.dmq1 = obj.dmq1;
4129 | this.coeff = obj.coeff;
4130 | }
4131 | };
4132 |
4133 | /**
4134 | * Create a new JSEncryptRSAKey that extends Tom Wu's RSA key object.
4135 | * This object is just a decorator for parsing the key parameter
4136 | * @param {string|Object} key - The key in string format, or an object containing
4137 | * the parameters needed to build a RSAKey object.
4138 | * @constructor
4139 | */
4140 | var JSEncryptRSAKey = function (key) {
4141 | // Call the super constructor.
4142 | RSAKey.call(this);
4143 | // If a key key was provided.
4144 | if (key) {
4145 | // If this is a string...
4146 | if (typeof key === 'string') {
4147 | this.parseKey(key);
4148 | }
4149 | else if (
4150 | this.hasPrivateKeyProperty(key) ||
4151 | this.hasPublicKeyProperty(key)
4152 | ) {
4153 | // Set the values for the key.
4154 | this.parsePropertiesFrom(key);
4155 | }
4156 | }
4157 | };
4158 |
4159 | // Derive from RSAKey.
4160 | JSEncryptRSAKey.prototype = new RSAKey();
4161 |
4162 | // Reset the contructor.
4163 | JSEncryptRSAKey.prototype.constructor = JSEncryptRSAKey;
4164 |
4165 |
4166 | /**
4167 | *
4168 | * @param {Object} [options = {}] - An object to customize JSEncrypt behaviour
4169 | * possible parameters are:
4170 | * - default_key_size {number} default: 1024 the key size in bit
4171 | * - default_public_exponent {string} default: '010001' the hexadecimal representation of the public exponent
4172 | * - log {boolean} default: false whether log warn/error or not
4173 | * @constructor
4174 | */
4175 | var JSEncrypt = function (options) {
4176 | options = options || {};
4177 | this.default_key_size = parseInt(options.default_key_size) || 1024;
4178 | this.default_public_exponent = options.default_public_exponent || '010001'; //65537 default openssl public exponent for rsa key type
4179 | this.log = options.log || false;
4180 | // The private and public key.
4181 | this.key = null;
4182 | };
4183 |
4184 | /**
4185 | * Method to set the rsa key parameter (one method is enough to set both the public
4186 | * and the private key, since the private key contains the public key paramenters)
4187 | * Log a warning if logs are enabled
4188 | * @param {Object|string} key the pem encoded string or an object (with or without header/footer)
4189 | * @public
4190 | */
4191 | JSEncrypt.prototype.setKey = function (key) {
4192 | if (this.log && this.key) {
4193 | console.warn('A key was already set, overriding existing.');
4194 | }
4195 | this.key = new JSEncryptRSAKey(key);
4196 | };
4197 |
4198 | /**
4199 | * Proxy method for setKey, for api compatibility
4200 | * @see setKey
4201 | * @public
4202 | */
4203 | JSEncrypt.prototype.setPrivateKey = function (privkey) {
4204 | // Create the key.
4205 | this.setKey(privkey);
4206 | };
4207 |
4208 | /**
4209 | * Proxy method for setKey, for api compatibility
4210 | * @see setKey
4211 | * @public
4212 | */
4213 | JSEncrypt.prototype.setPublicKey = function (pubkey) {
4214 | // Sets the public key.
4215 | this.setKey(pubkey);
4216 | };
4217 |
4218 | /**
4219 | * Proxy method for RSAKey object's decrypt, decrypt the string using the private
4220 | * components of the rsa key object. Note that if the object was not set will be created
4221 | * on the fly (by the getKey method) using the parameters passed in the JSEncrypt constructor
4222 | * @param {string} string base64 encoded crypted string to decrypt
4223 | * @return {string} the decrypted string
4224 | * @public
4225 | */
4226 | JSEncrypt.prototype.decrypt = function (string) {
4227 | // Return the decrypted string.
4228 | try {
4229 | return this.getKey().decrypt(b64tohex(string));
4230 | }
4231 | catch (ex) {
4232 | return false;
4233 | }
4234 | };
4235 |
4236 | /**
4237 | * Proxy method for RSAKey object's encrypt, encrypt the string using the public
4238 | * components of the rsa key object. Note that if the object was not set will be created
4239 | * on the fly (by the getKey method) using the parameters passed in the JSEncrypt constructor
4240 | * @param {string} string the string to encrypt
4241 | * @return {string} the encrypted string encoded in base64
4242 | * @public
4243 | */
4244 | JSEncrypt.prototype.encrypt = function (string) {
4245 | // Return the encrypted string.
4246 | try {
4247 | return hex2b64(this.getKey().encrypt(string));
4248 | }
4249 | catch (ex) {
4250 | return false;
4251 | }
4252 | };
4253 |
4254 | /**
4255 | * Getter for the current JSEncryptRSAKey object. If it doesn't exists a new object
4256 | * will be created and returned
4257 | * @param {callback} [cb] the callback to be called if we want the key to be generated
4258 | * in an async fashion
4259 | * @returns {JSEncryptRSAKey} the JSEncryptRSAKey object
4260 | * @public
4261 | */
4262 | JSEncrypt.prototype.getKey = function (cb) {
4263 | // Only create new if it does not exist.
4264 | if (!this.key) {
4265 | // Get a new private key.
4266 | this.key = new JSEncryptRSAKey();
4267 | if (cb && {}.toString.call(cb) === '[object Function]') {
4268 | this.key.generateAsync(this.default_key_size, this.default_public_exponent, cb);
4269 | return;
4270 | }
4271 | // Generate the key.
4272 | this.key.generate(this.default_key_size, this.default_public_exponent);
4273 | }
4274 | return this.key;
4275 | };
4276 |
4277 | /**
4278 | * Returns the pem encoded representation of the private key
4279 | * If the key doesn't exists a new key will be created
4280 | * @returns {string} pem encoded representation of the private key WITH header and footer
4281 | * @public
4282 | */
4283 | JSEncrypt.prototype.getPrivateKey = function () {
4284 | // Return the private representation of this key.
4285 | return this.getKey().getPrivateKey();
4286 | };
4287 |
4288 | /**
4289 | * Returns the pem encoded representation of the private key
4290 | * If the key doesn't exists a new key will be created
4291 | * @returns {string} pem encoded representation of the private key WITHOUT header and footer
4292 | * @public
4293 | */
4294 | JSEncrypt.prototype.getPrivateKeyB64 = function () {
4295 | // Return the private representation of this key.
4296 | return this.getKey().getPrivateBaseKeyB64();
4297 | };
4298 |
4299 |
4300 | /**
4301 | * Returns the pem encoded representation of the public key
4302 | * If the key doesn't exists a new key will be created
4303 | * @returns {string} pem encoded representation of the public key WITH header and footer
4304 | * @public
4305 | */
4306 | JSEncrypt.prototype.getPublicKey = function () {
4307 | // Return the private representation of this key.
4308 | return this.getKey().getPublicKey();
4309 | };
4310 |
4311 | /**
4312 | * Returns the pem encoded representation of the public key
4313 | * If the key doesn't exists a new key will be created
4314 | * @returns {string} pem encoded representation of the public key WITHOUT header and footer
4315 | * @public
4316 | */
4317 | JSEncrypt.prototype.getPublicKeyB64 = function () {
4318 | // Return the private representation of this key.
4319 | return this.getKey().getPublicBaseKeyB64();
4320 | };
4321 |
4322 | exports.JSEncrypt = JSEncrypt;
4323 | })(JSEncryptExports);
4324 | var JSEncrypt = JSEncryptExports.JSEncrypt;
4325 |
--------------------------------------------------------------------------------