@linlabs/encryptlong
Version:
基于jsencrypt扩展的可支持长文本加解密的库
1,549 lines (1,536 loc) • 183 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.JSEncrypt = {})));
}(this, (function (exports) { 'use strict';
var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz";
function int2char(n) {
return BI_RM.charAt(n);
}
//#region BIT_OPERATIONS
// (public) this & a
function op_and(x, y) {
return x & y;
}
// (public) this | a
function op_or(x, y) {
return x | y;
}
// (public) this ^ a
function op_xor(x, y) {
return x ^ y;
}
// (public) this & ~a
function op_andnot(x, y) {
return x & ~y;
}
// return index of lowest 1-bit in x, x < 2^31
function lbit(x) {
if (x == 0) {
return -1;
}
var r = 0;
if ((x & 0xffff) == 0) {
x >>= 16;
r += 16;
}
if ((x & 0xff) == 0) {
x >>= 8;
r += 8;
}
if ((x & 0xf) == 0) {
x >>= 4;
r += 4;
}
if ((x & 3) == 0) {
x >>= 2;
r += 2;
}
if ((x & 1) == 0) {
++r;
}
return r;
}
// return number of 1 bits in x
function cbit(x) {
var r = 0;
while (x != 0) {
x &= x - 1;
++r;
}
return r;
}
//#endregion BIT_OPERATIONS
// const b64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var b64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
var b64pad = "=";
function hex2b64(h) {
var i;
var c;
var ret = "";
for (i = 0; i + 3 <= h.length; i += 3) {
c = parseInt(h.substring(i, i + 3), 16);
ret += b64map.charAt(c >> 6) + b64map.charAt(c & 63);
}
if (i + 1 == h.length) {
c = parseInt(h.substring(i, i + 1), 16);
ret += b64map.charAt(c << 2);
}
else if (i + 2 == h.length) {
c = parseInt(h.substring(i, i + 2), 16);
ret += b64map.charAt(c >> 2) + b64map.charAt((c & 3) << 4);
}
while ((ret.length & 3) > 0) {
ret += b64pad;
}
return ret;
}
// convert a base64 string to hex
function b64tohex(s) {
var ret = "";
var i;
var k = 0; // b64 state, 0-3
var slop = 0;
for (i = 0; i < s.length; ++i) {
if (s.charAt(i) == b64pad) {
break;
}
var v = b64map.indexOf(s.charAt(i));
if (v < 0) {
continue;
}
if (k == 0) {
ret += int2char(v >> 2);
slop = v & 3;
k = 1;
}
else if (k == 1) {
ret += int2char((slop << 2) | (v >> 4));
slop = v & 0xf;
k = 2;
}
else if (k == 2) {
ret += int2char(slop);
ret += int2char(v >> 2);
slop = v & 3;
k = 3;
}
else {
ret += int2char((slop << 2) | (v >> 4));
ret += int2char(v & 0xf);
k = 0;
}
}
if (k == 1) {
ret += int2char(slop << 2);
}
return ret;
}
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise */
var extendStatics = function(d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
function __extends(d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}
// Hex JavaScript decoder
// Copyright (c) 2008-2013 Lapo Luchini <lapo@lapo.it>
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
/*jshint browser: true, strict: true, immed: true, latedef: true, undef: true, regexdash: false */
var decoder;
var Hex = {
decode: function (a) {
var i;
if (decoder === undefined) {
var hex = "0123456789ABCDEF";
var ignore = " \f\n\r\t\u00A0\u2028\u2029";
decoder = {};
for (i = 0; i < 16; ++i) {
decoder[hex.charAt(i)] = i;
}
hex = hex.toLowerCase();
for (i = 10; i < 16; ++i) {
decoder[hex.charAt(i)] = i;
}
for (i = 0; i < ignore.length; ++i) {
decoder[ignore.charAt(i)] = -1;
}
}
var out = [];
var bits = 0;
var char_count = 0;
for (i = 0; i < a.length; ++i) {
var c = a.charAt(i);
if (c == "=") {
break;
}
c = decoder[c];
if (c == -1) {
continue;
}
if (c === undefined) {
throw new Error("Illegal character at offset " + i);
}
bits |= c;
if (++char_count >= 2) {
out[out.length] = bits;
bits = 0;
char_count = 0;
}
else {
bits <<= 4;
}
}
if (char_count) {
throw new Error("Hex encoding incomplete: 4 bits missing");
}
return out;
}
};
// Base64 JavaScript decoder
// Copyright (c) 2008-2013 Lapo Luchini <lapo@lapo.it>
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
/*jshint browser: true, strict: true, immed: true, latedef: true, undef: true, regexdash: false */
var decoder$1;
var Base64 = {
decode: function (a) {
var i;
if (decoder$1 === undefined) {
var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var ignore = "= \f\n\r\t\u00A0\u2028\u2029";
decoder$1 = Object.create(null);
for (i = 0; i < 64; ++i) {
decoder$1[b64.charAt(i)] = i;
}
for (i = 0; i < ignore.length; ++i) {
decoder$1[ignore.charAt(i)] = -1;
}
}
var out = [];
var bits = 0;
var char_count = 0;
for (i = 0; i < a.length; ++i) {
var c = a.charAt(i);
if (c == "=") {
break;
}
c = decoder$1[c];
if (c == -1) {
continue;
}
if (c === undefined) {
throw new Error("Illegal character at offset " + i);
}
bits |= c;
if (++char_count >= 4) {
out[out.length] = (bits >> 16);
out[out.length] = (bits >> 8) & 0xFF;
out[out.length] = bits & 0xFF;
bits = 0;
char_count = 0;
}
else {
bits <<= 6;
}
}
switch (char_count) {
case 1:
throw new Error("Base64 encoding incomplete: at least 2 bits missing");
case 2:
out[out.length] = (bits >> 10);
break;
case 3:
out[out.length] = (bits >> 16);
out[out.length] = (bits >> 8) & 0xFF;
break;
}
return out;
},
re: /-----BEGIN [^-]+-----([A-Za-z0-9+\/=\s]+)-----END [^-]+-----|begin-base64[^\n]+\n([A-Za-z0-9+\/=\s]+)====/,
unarmor: function (a) {
var m = Base64.re.exec(a);
if (m) {
if (m[1]) {
a = m[1];
}
else if (m[2]) {
a = m[2];
}
else {
throw new Error("RegExp out of sync");
}
}
return Base64.decode(a);
}
};
// Big integer base-10 printing library
// Copyright (c) 2014 Lapo Luchini <lapo@lapo.it>
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
/*jshint browser: true, strict: true, immed: true, latedef: true, undef: true, regexdash: false */
var max = 10000000000000; // biggest integer that can still fit 2^53 when multiplied by 256
var Int10 = /** @class */ (function () {
function Int10(value) {
this.buf = [+value || 0];
}
Int10.prototype.mulAdd = function (m, c) {
// assert(m <= 256)
var b = this.buf;
var l = b.length;
var i;
var t;
for (i = 0; i < l; ++i) {
t = b[i] * m + c;
if (t < max) {
c = 0;
}
else {
c = 0 | (t / max);
t -= c * max;
}
b[i] = t;
}
if (c > 0) {
b[i] = c;
}
};
Int10.prototype.sub = function (c) {
// assert(m <= 256)
var b = this.buf;
var l = b.length;
var i;
var t;
for (i = 0; i < l; ++i) {
t = b[i] - c;
if (t < 0) {
t += max;
c = 1;
}
else {
c = 0;
}
b[i] = t;
}
while (b[b.length - 1] === 0) {
b.pop();
}
};
Int10.prototype.toString = function (base) {
if ((base || 10) != 10) {
throw new Error("only base 10 is supported");
}
var b = this.buf;
var s = b[b.length - 1].toString();
for (var i = b.length - 2; i >= 0; --i) {
s += (max + b[i]).toString().substring(1);
}
return s;
};
Int10.prototype.valueOf = function () {
var b = this.buf;
var v = 0;
for (var i = b.length - 1; i >= 0; --i) {
v = v * max + b[i];
}
return v;
};
Int10.prototype.simplify = function () {
var b = this.buf;
return (b.length == 1) ? b[0] : this;
};
return Int10;
}());
// ASN.1 JavaScript decoder
var ellipsis = "\u2026";
var reTimeS = /^(\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)?)?$/;
var reTimeL = /^(\d\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)?)?$/;
function stringCut(str, len) {
if (str.length > len) {
str = str.substring(0, len) + ellipsis;
}
return str;
}
var Stream = /** @class */ (function () {
function Stream(enc, pos) {
this.hexDigits = "0123456789ABCDEF";
if (enc instanceof Stream) {
this.enc = enc.enc;
this.pos = enc.pos;
}
else {
// enc should be an array or a binary string
this.enc = enc;
this.pos = pos;
}
}
Stream.prototype.get = function (pos) {
if (pos === undefined) {
pos = this.pos++;
}
if (pos >= this.enc.length) {
throw new Error("Requesting byte offset " + pos + " on a stream of length " + this.enc.length);
}
return ("string" === typeof this.enc) ? this.enc.charCodeAt(pos) : this.enc[pos];
};
Stream.prototype.hexByte = function (b) {
return this.hexDigits.charAt((b >> 4) & 0xF) + this.hexDigits.charAt(b & 0xF);
};
Stream.prototype.hexDump = function (start, end, raw) {
var s = "";
for (var i = start; i < end; ++i) {
s += this.hexByte(this.get(i));
if (raw !== true) {
switch (i & 0xF) {
case 0x7:
s += " ";
break;
case 0xF:
s += "\n";
break;
default:
s += " ";
}
}
}
return s;
};
Stream.prototype.isASCII = function (start, end) {
for (var i = start; i < end; ++i) {
var c = this.get(i);
if (c < 32 || c > 176) {
return false;
}
}
return true;
};
Stream.prototype.parseStringISO = function (start, end) {
var s = "";
for (var i = start; i < end; ++i) {
s += String.fromCharCode(this.get(i));
}
return s;
};
Stream.prototype.parseStringUTF = function (start, end) {
var s = "";
for (var i = start; i < end;) {
var c = this.get(i++);
if (c < 128) {
s += String.fromCharCode(c);
}
else if ((c > 191) && (c < 224)) {
s += String.fromCharCode(((c & 0x1F) << 6) | (this.get(i++) & 0x3F));
}
else {
s += String.fromCharCode(((c & 0x0F) << 12) | ((this.get(i++) & 0x3F) << 6) | (this.get(i++) & 0x3F));
}
}
return s;
};
Stream.prototype.parseStringBMP = function (start, end) {
var str = "";
var hi;
var lo;
for (var i = start; i < end;) {
hi = this.get(i++);
lo = this.get(i++);
str += String.fromCharCode((hi << 8) | lo);
}
return str;
};
Stream.prototype.parseTime = function (start, end, shortYear) {
var s = this.parseStringISO(start, end);
var m = (shortYear ? reTimeS : reTimeL).exec(s);
if (!m) {
return "Unrecognized time: " + s;
}
if (shortYear) {
// to avoid querying the timer, use the fixed range [1970, 2069]
// it will conform with ITU X.400 [-10, +40] sliding window until 2030
m[1] = +m[1];
m[1] += (+m[1] < 70) ? 2000 : 1900;
}
s = m[1] + "-" + m[2] + "-" + m[3] + " " + m[4];
if (m[5]) {
s += ":" + m[5];
if (m[6]) {
s += ":" + m[6];
if (m[7]) {
s += "." + m[7];
}
}
}
if (m[8]) {
s += " UTC";
if (m[8] != "Z") {
s += m[8];
if (m[9]) {
s += ":" + m[9];
}
}
}
return s;
};
Stream.prototype.parseInteger = function (start, end) {
var v = this.get(start);
var neg = (v > 127);
var pad = neg ? 255 : 0;
var len;
var s = "";
// skip unuseful bits (not allowed in DER)
while (v == pad && ++start < end) {
v = this.get(start);
}
len = end - start;
if (len === 0) {
return neg ? -1 : 0;
}
// show bit length of huge integers
if (len > 4) {
s = v;
len <<= 3;
while (((+s ^ pad) & 0x80) == 0) {
s = +s << 1;
--len;
}
s = "(" + len + " bit)\n";
}
// decode the integer
if (neg) {
v = v - 256;
}
var n = new Int10(v);
for (var i = start + 1; i < end; ++i) {
n.mulAdd(256, this.get(i));
}
return s + n.toString();
};
Stream.prototype.parseBitString = function (start, end, maxLength) {
var unusedBit = this.get(start);
var lenBit = ((end - start - 1) << 3) - unusedBit;
var intro = "(" + lenBit + " bit)\n";
var s = "";
for (var i = start + 1; i < end; ++i) {
var b = this.get(i);
var skip = (i == end - 1) ? unusedBit : 0;
for (var j = 7; j >= skip; --j) {
s += (b >> j) & 1 ? "1" : "0";
}
if (s.length > maxLength) {
return intro + stringCut(s, maxLength);
}
}
return intro + s;
};
Stream.prototype.parseOctetString = function (start, end, maxLength) {
if (this.isASCII(start, end)) {
return stringCut(this.parseStringISO(start, end), maxLength);
}
var len = end - start;
var s = "(" + len + " byte)\n";
maxLength /= 2; // we work in bytes
if (len > maxLength) {
end = start + maxLength;
}
for (var i = start; i < end; ++i) {
s += this.hexByte(this.get(i));
}
if (len > maxLength) {
s += ellipsis;
}
return s;
};
Stream.prototype.parseOID = function (start, end, maxLength) {
var s = "";
var n = new Int10();
var bits = 0;
for (var i = start; i < end; ++i) {
var v = this.get(i);
n.mulAdd(128, v & 0x7F);
bits += 7;
if (!(v & 0x80)) { // finished
if (s === "") {
n = n.simplify();
if (n instanceof Int10) {
n.sub(80);
s = "2." + n.toString();
}
else {
var m = n < 80 ? n < 40 ? 0 : 1 : 2;
s = m + "." + (n - m * 40);
}
}
else {
s += "." + n.toString();
}
if (s.length > maxLength) {
return stringCut(s, maxLength);
}
n = new Int10();
bits = 0;
}
}
if (bits > 0) {
s += ".incomplete";
}
return s;
};
return Stream;
}());
var ASN1 = /** @class */ (function () {
function ASN1(stream, header, length, tag, sub) {
if (!(tag instanceof ASN1Tag)) {
throw new Error("Invalid tag value.");
}
this.stream = stream;
this.header = header;
this.length = length;
this.tag = tag;
this.sub = sub;
}
ASN1.prototype.typeName = function () {
switch (this.tag.tagClass) {
case 0: // universal
switch (this.tag.tagNumber) {
case 0x00:
return "EOC";
case 0x01:
return "BOOLEAN";
case 0x02:
return "INTEGER";
case 0x03:
return "BIT_STRING";
case 0x04:
return "OCTET_STRING";
case 0x05:
return "NULL";
case 0x06:
return "OBJECT_IDENTIFIER";
case 0x07:
return "ObjectDescriptor";
case 0x08:
return "EXTERNAL";
case 0x09:
return "REAL";
case 0x0A:
return "ENUMERATED";
case 0x0B:
return "EMBEDDED_PDV";
case 0x0C:
return "UTF8String";
case 0x10:
return "SEQUENCE";
case 0x11:
return "SET";
case 0x12:
return "NumericString";
case 0x13:
return "PrintableString"; // ASCII subset
case 0x14:
return "TeletexString"; // aka T61String
case 0x15:
return "VideotexString";
case 0x16:
return "IA5String"; // ASCII
case 0x17:
return "UTCTime";
case 0x18:
return "GeneralizedTime";
case 0x19:
return "GraphicString";
case 0x1A:
return "VisibleString"; // ASCII subset
case 0x1B:
return "GeneralString";
case 0x1C:
return "UniversalString";
case 0x1E:
return "BMPString";
}
return "Universal_" + this.tag.tagNumber.toString();
case 1:
return "Application_" + this.tag.tagNumber.toString();
case 2:
return "[" + this.tag.tagNumber.toString() + "]"; // Context
case 3:
return "Private_" + this.tag.tagNumber.toString();
}
};
ASN1.prototype.content = function (maxLength) {
if (this.tag === undefined) {
return null;
}
if (maxLength === undefined) {
maxLength = Infinity;
}
var content = this.posContent();
var len = Math.abs(this.length);
if (!this.tag.isUniversal()) {
if (this.sub !== null) {
return "(" + this.sub.length + " elem)";
}
return this.stream.parseOctetString(content, content + len, maxLength);
}
switch (this.tag.tagNumber) {
case 0x01: // BOOLEAN
return (this.stream.get(content) === 0) ? "false" : "true";
case 0x02: // INTEGER
return this.stream.parseInteger(content, content + len);
case 0x03: // BIT_STRING
return this.sub ? "(" + this.sub.length + " elem)" :
this.stream.parseBitString(content, content + len, maxLength);
case 0x04: // OCTET_STRING
return this.sub ? "(" + this.sub.length + " elem)" :
this.stream.parseOctetString(content, content + len, maxLength);
// case 0x05: // NULL
case 0x06: // OBJECT_IDENTIFIER
return this.stream.parseOID(content, content + len, maxLength);
// case 0x07: // ObjectDescriptor
// case 0x08: // EXTERNAL
// case 0x09: // REAL
// case 0x0A: // ENUMERATED
// case 0x0B: // EMBEDDED_PDV
case 0x10: // SEQUENCE
case 0x11: // SET
if (this.sub !== null) {
return "(" + this.sub.length + " elem)";
}
else {
return "(no elem)";
}
case 0x0C: // UTF8String
return stringCut(this.stream.parseStringUTF(content, content + len), maxLength);
case 0x12: // NumericString
case 0x13: // PrintableString
case 0x14: // TeletexString
case 0x15: // VideotexString
case 0x16: // IA5String
// case 0x19: // GraphicString
case 0x1A: // VisibleString
// case 0x1B: // GeneralString
// case 0x1C: // UniversalString
return stringCut(this.stream.parseStringISO(content, content + len), maxLength);
case 0x1E: // BMPString
return stringCut(this.stream.parseStringBMP(content, content + len), maxLength);
case 0x17: // UTCTime
case 0x18: // GeneralizedTime
return this.stream.parseTime(content, content + len, (this.tag.tagNumber == 0x17));
}
return null;
};
ASN1.prototype.toString = function () {
return this.typeName() + "@" + this.stream.pos + "[header:" + this.header + ",length:" + this.length + ",sub:" + ((this.sub === null) ? "null" : this.sub.length) + "]";
};
ASN1.prototype.toPrettyString = function (indent) {
if (indent === undefined) {
indent = "";
}
var s = indent + this.typeName() + " @" + this.stream.pos;
if (this.length >= 0) {
s += "+";
}
s += this.length;
if (this.tag.tagConstructed) {
s += " (constructed)";
}
else if ((this.tag.isUniversal() && ((this.tag.tagNumber == 0x03) || (this.tag.tagNumber == 0x04))) && (this.sub !== null)) {
s += " (encapsulates)";
}
s += "\n";
if (this.sub !== null) {
indent += " ";
for (var i = 0, max = this.sub.length; i < max; ++i) {
s += this.sub[i].toPrettyString(indent);
}
}
return s;
};
ASN1.prototype.posStart = function () {
return this.stream.pos;
};
ASN1.prototype.posContent = function () {
return this.stream.pos + this.header;
};
ASN1.prototype.posEnd = function () {
return this.stream.pos + this.header + Math.abs(this.length);
};
ASN1.prototype.toHexString = function () {
return this.stream.hexDump(this.posStart(), this.posEnd(), true);
};
ASN1.decodeLength = function (stream) {
var buf = stream.get();
var len = buf & 0x7F;
if (len == buf) {
return len;
}
// no reason to use Int10, as it would be a huge buffer anyways
if (len > 6) {
throw new Error("Length over 48 bits not supported at position " + (stream.pos - 1));
}
if (len === 0) {
return null;
} // undefined
buf = 0;
for (var i = 0; i < len; ++i) {
buf = (buf * 256) + stream.get();
}
return buf;
};
/**
* Retrieve the hexadecimal value (as a string) of the current ASN.1 element
* @returns {string}
* @public
*/
ASN1.prototype.getHexStringValue = function () {
var hexString = this.toHexString();
var offset = this.header * 2;
var length = this.length * 2;
return hexString.substr(offset, length);
};
ASN1.decode = function (str) {
var stream;
if (!(str instanceof Stream)) {
stream = new Stream(str, 0);
}
else {
stream = str;
}
var streamStart = new Stream(stream);
var tag = new ASN1Tag(stream);
var len = ASN1.decodeLength(stream);
var start = stream.pos;
var header = start - streamStart.pos;
var sub = null;
var getSub = function () {
var ret = [];
if (len !== null) {
// definite length
var end = start + len;
while (stream.pos < end) {
ret[ret.length] = ASN1.decode(stream);
}
if (stream.pos != end) {
throw new Error("Content size is not correct for container starting at offset " + start);
}
}
else {
// undefined length
try {
for (;;) {
var s = ASN1.decode(stream);
if (s.tag.isEOC()) {
break;
}
ret[ret.length] = s;
}
len = start - stream.pos; // undefined lengths are represented as negative values
}
catch (e) {
throw new Error("Exception while decoding undefined length content: " + e);
}
}
return ret;
};
if (tag.tagConstructed) {
// must have valid content
sub = getSub();
}
else if (tag.isUniversal() && ((tag.tagNumber == 0x03) || (tag.tagNumber == 0x04))) {
// sometimes BitString and OctetString are used to encapsulate ASN.1
try {
if (tag.tagNumber == 0x03) {
if (stream.get() != 0) {
throw new Error("BIT STRINGs with unused bits cannot encapsulate.");
}
}
sub = getSub();
for (var i = 0; i < sub.length; ++i) {
if (sub[i].tag.isEOC()) {
throw new Error("EOC is not supposed to be actual content.");
}
}
}
catch (e) {
// but silently ignore when they don't
sub = null;
}
}
if (sub === null) {
if (len === null) {
throw new Error("We can't skip over an invalid tag with undefined length at offset " + start);
}
stream.pos = start + Math.abs(len);
}
return new ASN1(streamStart, header, len, tag, sub);
};
return ASN1;
}());
var ASN1Tag = /** @class */ (function () {
function ASN1Tag(stream) {
var buf = stream.get();
this.tagClass = buf >> 6;
this.tagConstructed = ((buf & 0x20) !== 0);
this.tagNumber = buf & 0x1F;
if (this.tagNumber == 0x1F) { // long tag
var n = new Int10();
do {
buf = stream.get();
n.mulAdd(128, buf & 0x7F);
} while (buf & 0x80);
this.tagNumber = n.simplify();
}
}
ASN1Tag.prototype.isUniversal = function () {
return this.tagClass === 0x00;
};
ASN1Tag.prototype.isEOC = function () {
return this.tagClass === 0x00 && this.tagNumber === 0x00;
};
return ASN1Tag;
}());
// Copyright (c) 2005 Tom Wu
// Bits per digit
var dbits;
// JavaScript engine analysis
var canary = 0xdeadbeefcafe;
var j_lm = ((canary & 0xffffff) == 0xefcafe);
//#region
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];
var lplim = (1 << 26) / lowprimes[lowprimes.length - 1];
//#endregion
// (public) Constructor
var BigInteger = /** @class */ (function () {
function BigInteger(a, b, c) {
if (a != null) {
if ("number" == typeof a) {
this.fromNumber(a, b, c);
}
else if (b == null && "string" != typeof a) {
this.fromString(a, 256);
}
else {
this.fromString(a, b);
}
}
}
//#region PUBLIC
// BigInteger.prototype.toString = bnToString;
// (public) return string representation in given radix
BigInteger.prototype.toString = function (b) {
if (this.s < 0) {
return "-" + this.negate().toString(b);
}
var k;
if (b == 16) {
k = 4;
}
else if (b == 8) {
k = 3;
}
else if (b == 2) {
k = 1;
}
else if (b == 32) {
k = 5;
}
else if (b == 4) {
k = 2;
}
else {
return this.toRadix(b);
}
var km = (1 << k) - 1;
var d;
var m = false;
var r = "";
var i = this.t;
var p = this.DB - (i * this.DB) % k;
if (i-- > 0) {
if (p < this.DB && (d = this[i] >> p) > 0) {
m = true;
r = int2char(d);
}
while (i >= 0) {
if (p < k) {
d = (this[i] & ((1 << p) - 1)) << (k - p);
d |= this[--i] >> (p += this.DB - k);
}
else {
d = (this[i] >> (p -= k)) & km;
if (p <= 0) {
p += this.DB;
--i;
}
}
if (d > 0) {
m = true;
}
if (m) {
r += int2char(d);
}
}
}
return m ? r : "0";
};
// BigInteger.prototype.negate = bnNegate;
// (public) -this
BigInteger.prototype.negate = function () {
var r = nbi();
BigInteger.ZERO.subTo(this, r);
return r;
};
// BigInteger.prototype.abs = bnAbs;
// (public) |this|
BigInteger.prototype.abs = function () {
return (this.s < 0) ? this.negate() : this;
};
// BigInteger.prototype.compareTo = bnCompareTo;
// (public) return + if this > a, - if this < a, 0 if equal
BigInteger.prototype.compareTo = function (a) {
var r = this.s - a.s;
if (r != 0) {
return r;
}
var i = this.t;
r = i - a.t;
if (r != 0) {
return (this.s < 0) ? -r : r;
}
while (--i >= 0) {
if ((r = this[i] - a[i]) != 0) {
return r;
}
}
return 0;
};
// BigInteger.prototype.bitLength = bnBitLength;
// (public) return the number of bits in "this"
BigInteger.prototype.bitLength = function () {
if (this.t <= 0) {
return 0;
}
return this.DB * (this.t - 1) + nbits(this[this.t - 1] ^ (this.s & this.DM));
};
// BigInteger.prototype.mod = bnMod;
// (public) this mod a
BigInteger.prototype.mod = function (a) {
var r = nbi();
this.abs().divRemTo(a, null, r);
if (this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) {
a.subTo(r, r);
}
return r;
};
// BigInteger.prototype.modPowInt = bnModPowInt;
// (public) this^e % m, 0 <= e < 2^32
BigInteger.prototype.modPowInt = function (e, m) {
var z;
if (e < 256 || m.isEven()) {
z = new Classic(m);
}
else {
z = new Montgomery(m);
}
return this.exp(e, z);
};
// BigInteger.prototype.clone = bnClone;
// (public)
BigInteger.prototype.clone = function () {
var r = nbi();
this.copyTo(r);
return r;
};
// BigInteger.prototype.intValue = bnIntValue;
// (public) return value as integer
BigInteger.prototype.intValue = function () {
if (this.s < 0) {
if (this.t == 1) {
return this[0] - this.DV;
}
else if (this.t == 0) {
return -1;
}
}
else if (this.t == 1) {
return this[0];
}
else if (this.t == 0) {
return 0;
}
// assumes 16 < DB < 32
return ((this[1] & ((1 << (32 - this.DB)) - 1)) << this.DB) | this[0];
};
// BigInteger.prototype.byteValue = bnByteValue;
// (public) return value as byte
BigInteger.prototype.byteValue = function () {
return (this.t == 0) ? this.s : (this[0] << 24) >> 24;
};
// BigInteger.prototype.shortValue = bnShortValue;
// (public) return value as short (assumes DB>=16)
BigInteger.prototype.shortValue = function () {
return (this.t == 0) ? this.s : (this[0] << 16) >> 16;
};
// BigInteger.prototype.signum = bnSigNum;
// (public) 0 if this == 0, 1 if this > 0
BigInteger.prototype.signum = function () {
if (this.s < 0) {
return -1;
}
else if (this.t <= 0 || (this.t == 1 && this[0] <= 0)) {
return 0;
}
else {
return 1;
}
};
// BigInteger.prototype.toByteArray = bnToByteArray;
// (public) convert to bigendian byte array
BigInteger.prototype.toByteArray = function () {
var i = this.t;
var r = [];
r[0] = this.s;
var p = this.DB - (i * this.DB) % 8;
var d;
var k = 0;
if (i-- > 0) {
if (p < this.DB && (d = this[i] >> p) != (this.s & this.DM) >> p) {
r[k++] = d | (this.s << (this.DB - p));
}
while (i >= 0) {
if (p < 8) {
d = (this[i] & ((1 << p) - 1)) << (8 - p);
d |= this[--i] >> (p += this.DB - 8);
}
else {
d = (this[i] >> (p -= 8)) & 0xff;
if (p <= 0) {
p += this.DB;
--i;
}
}
if ((d & 0x80) != 0) {
d |= -256;
}
if (k == 0 && (this.s & 0x80) != (d & 0x80)) {
++k;
}
if (k > 0 || d != this.s) {
r[k++] = d;
}
}
}
return r;
};
// BigInteger.prototype.equals = bnEquals;
BigInteger.prototype.equals = function (a) {
return (this.compareTo(a) == 0);
};
// BigInteger.prototype.min = bnMin;
BigInteger.prototype.min = function (a) {
return (this.compareTo(a) < 0) ? this : a;
};
// BigInteger.prototype.max = bnMax;
BigInteger.prototype.max = function (a) {
return (this.compareTo(a) > 0) ? this : a;
};
// BigInteger.prototype.and = bnAnd;
BigInteger.prototype.and = function (a) {
var r = nbi();
this.bitwiseTo(a, op_and, r);
return r;
};
// BigInteger.prototype.or = bnOr;
BigInteger.prototype.or = function (a) {
var r = nbi();
this.bitwiseTo(a, op_or, r);
return r;
};
// BigInteger.prototype.xor = bnXor;
BigInteger.prototype.xor = function (a) {
var r = nbi();
this.bitwiseTo(a, op_xor, r);
return r;
};
// BigInteger.prototype.andNot = bnAndNot;
BigInteger.prototype.andNot = function (a) {
var r = nbi();
this.bitwiseTo(a, op_andnot, r);
return r;
};
// BigInteger.prototype.not = bnNot;
// (public) ~this
BigInteger.prototype.not = function () {
var r = nbi();
for (var i = 0; i < this.t; ++i) {
r[i] = this.DM & ~this[i];
}
r.t = this.t;
r.s = ~this.s;
return r;
};
// BigInteger.prototype.shiftLeft = bnShiftLeft;
// (public) this << n
BigInteger.prototype.shiftLeft = function (n) {
var r = nbi();
if (n < 0) {
this.rShiftTo(-n, r);
}
else {
this.lShiftTo(n, r);
}
return r;
};
// BigInteger.prototype.shiftRight = bnShiftRight;
// (public) this >> n
BigInteger.prototype.shiftRight = function (n) {
var r = nbi();
if (n < 0) {
this.lShiftTo(-n, r);
}
else {
this.rShiftTo(n, r);
}
return r;
};
// BigInteger.prototype.getLowestSetBit = bnGetLowestSetBit;
// (public) returns index of lowest 1-bit (or -1 if none)
BigInteger.prototype.getLowestSetBit = function () {
for (var i = 0; i < this.t; ++i) {
if (this[i] != 0) {
return i * this.DB + lbit(this[i]);
}
}
if (this.s < 0) {
return this.t * this.DB;
}
return -1;
};
// BigInteger.prototype.bitCount = bnBitCount;
// (public) return number of set bits
BigInteger.prototype.bitCount = function () {
var r = 0;
var x = this.s & this.DM;
for (var i = 0; i < this.t; ++i) {
r += cbit(this[i] ^ x);
}
return r;
};
// BigInteger.prototype.testBit = bnTestBit;
// (public) true iff nth bit is set
BigInteger.prototype.testBit = function (n) {
var j = Math.floor(n / this.DB);
if (j >= this.t) {
return (this.s != 0);
}
return ((this[j] & (1 << (n % this.DB))) != 0);
};
// BigInteger.prototype.setBit = bnSetBit;
// (public) this | (1<<n)
BigInteger.prototype.setBit = function (n) {
return this.changeBit(n, op_or);
};
// BigInteger.prototype.clearBit = bnClearBit;
// (public) this & ~(1<<n)
BigInteger.prototype.clearBit = function (n) {
return this.changeBit(n, op_andnot);
};
// BigInteger.prototype.flipBit = bnFlipBit;
// (public) this ^ (1<<n)
BigInteger.prototype.flipBit = function (n) {
return this.changeBit(n, op_xor);
};
// BigInteger.prototype.add = bnAdd;
// (public) this + a
BigInteger.prototype.add = function (a) {
var r = nbi();
this.addTo(a, r);
return r;
};
// BigInteger.prototype.subtract = bnSubtract;
// (public) this - a
BigInteger.prototype.subtract = function (a) {
var r = nbi();
this.subTo(a, r);
return r;
};
// BigInteger.prototype.multiply = bnMultiply;
// (public) this * a
BigInteger.prototype.multiply = function (a) {
var r = nbi();
this.multiplyTo(a, r);
return r;
};
// BigInteger.prototype.divide = bnDivide;
// (public) this / a
BigInteger.prototype.divide = function (a) {
var r = nbi();
this.divRemTo(a, r, null);
return r;
};
// BigInteger.prototype.remainder = bnRemainder;
// (public) this % a
BigInteger.prototype.remainder = function (a) {
var r = nbi();
this.divRemTo(a, null, r);
return r;
};
// BigInteger.prototype.divideAndRemainder = bnDivideAndRemainder;
// (public) [this/a,this%a]
BigInteger.prototype.divideAndRemainder = function (a) {
var q = nbi();
var r = nbi();
this.divRemTo(a, q, r);
return [q, r];
};
// BigInteger.prototype.modPow = bnModPow;
// (public) this^e % m (HAC 14.85)
BigInteger.prototype.modPow = function (e, m) {
var i = e.bitLength();
var k;
var r = nbv(1);
var z;
if (i <= 0) {
return r;
}
else if (i < 18) {
k = 1;
}
else if (i < 48) {
k = 3;
}
else if (i < 144) {
k = 4;
}
else if (i < 768) {
k = 5;
}
else {
k = 6;
}
if (i < 8) {
z = new Classic(m);
}
else if (m.isEven()) {
z = new Barrett(m);
}
else {
z = new Montgomery(m);
}
// precomputation
var g = [];
var n = 3;
var k1 = k - 1;
var km = (1 << k) - 1;
g[1] = z.convert(this);
if (k > 1) {
var g2 = nbi();
z.sqrTo(g[1], g2);
while (n <= km) {
g[n] = nbi();
z.mulTo(g2, g[n - 2], g[n]);
n += 2;
}
}
var j = e.t - 1;
var w;
var is1 = true;
var r2 = nbi();
var t;
i = nbits(e[j]) - 1;
while (j >= 0) {
if (i >= k1) {
w = (e[j] >> (i - k1)) & km;
}
else {
w = (e[j] & ((1 << (i + 1)) - 1)) << (k1 - i);
if (j > 0) {
w |= e[j - 1] >> (this.DB + i - k1);
}
}
n = k;
while ((w & 1) == 0) {
w >>= 1;
--n;
}
if ((i -= n) < 0) {
i += this.DB;
--j;
}
if (is1) { // ret == 1, don't bother squaring or multiplying it
g[w].copyTo(r);
is1 = false;
}
else {
while (n > 1) {
z.sqrTo(r, r2);
z.sqrTo(r2, r);
n -= 2;
}
if (n > 0) {
z.sqrTo(r, r2);
}
else {
t = r;
r = r2;
r2 = t;
}
z.mulTo(r2, g[w], r);
}
while (j >= 0 && (e[j] & (1 << i)) == 0) {
z.sqrTo(r, r2);
t = r;
r = r2;
r2 = t;
if (--i < 0) {
i = this.DB - 1;
--j;
}
}
}
return z.revert(r);
};
// BigInteger.prototype.modInverse = bnModInverse;
// (public) 1/this % m (HAC 14.61)
BigInteger.prototype.modInverse = function (m) {
var ac = m.isEven();
if ((this.isEven() && ac) || m.signum() == 0) {
return BigInteger.ZERO;
}
var u = m.clone();
var v = this.clone();
var a = nbv(1);
var b = nbv(0);
var c = nbv(0);
var d = nbv(1);
while (u.signum() != 0) {
while (u.isEven()) {
u.rShiftTo(1, u);
if (ac) {
if (!a.isEven() || !b.isEven()) {
a.addTo(this, a);
b.subTo(m, b);
}
a.rShiftTo(1, a);
}
else if (!b.isEven()) {
b.subTo(m, b);
}
b.rShiftTo(1, b);
}
while (v.isEven()) {
v.rShiftTo(1, v);
if (ac) {
if (!c.isEven() || !d.isEven()) {
c.addTo(this, c);
d.subTo(m, d);
}
c.rShiftTo(1, c);
}
else if (!d.isEven()) {
d.subTo(m, d);
}
d.rShiftTo(1, d);
}
if (u.compareTo(v) >= 0) {
u.subTo(v, u);
if (ac) {
a.subTo(c, a);
}
b.subTo(d, b);
}
else {
v.subTo(u, v);
if (ac) {
c.subTo(a, c);
}
d.subTo(b, d);
}
}
if (v.compareTo(BigInteger.ONE) != 0) {
return BigInteger.ZERO;
}
if (d.compareTo(m) >= 0) {
return d.subtract(m);
}
if (d.signum() < 0) {
d.addTo(m, d);
}
else {
return d;
}
if (d.signum() < 0) {
return d.add(m);
}
else {
return d;
}
};
// BigInteger.prototype.pow = bnPow;
// (public) this^e
BigInteger.prototype.pow = function (e) {
return this.exp(e, new NullExp());
};
// BigInteger.prototype.gcd = bnGCD;
// (public) gcd(this,a) (HAC 14.54)
BigInteger.prototype.gcd = function (a) {
var x = (this.s < 0) ? this.negate() : this.clone();
var y = (a.s < 0) ? a.negate() : a.clone();
if (x.compareTo(y) < 0) {
var t = x;
x = y;
y = t;
}
var i = x.getLowestSetBit();
var g = y.getLowestSetBit();
if (g < 0) {
return x;
}
if (i < g) {
g = i;
}
if (g > 0) {