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JavaScript generic ASN.1 parser (mirror)
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253#!/usr/bin/env node/*jshint node: true, strict: true, globalstrict: true, indent: 4, immed: true, undef: true, unused: true */'use strict';
var Hex = require('./hex.js'), ASN1 = require('./asn1.js'), tests;
tests = [ // http://luca.ntop.org/Teaching/Appunti/asn1.html // actually reports the string as "011011100101110111" ['03 04 06 6e 5d c0', '(18 bit)\n111011101001110110', 'DER encoding'], ['03 04 06 6e 5d e0', '(18 bit)\n111011101001110110', 'padded with "100000"'], ['03 81 04 06 6e 5d c0', '(18 bit)\n111011101001110110', 'long form of length octets'], ['23 09 03 03 00 6e 5d 03 02 06 c0', '(18 bit)\n111011101001110110', 'constructed encoding: "0110111001011101" + "11"'], // http://msdn.microsoft.com/en-us/library/windows/desktop/aa379076(v=vs.85).aspx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elem)', 'PKCS#10 request'], // Int10 ['060C69C7C79AB78084C289F9870D', '2.25.84478768945400492475277', 'Big OID arc'], ['02102FA176B36EE9F049F444B40099661945', '(126 bit)\n63312083136615639753586560173617846597', 'Big integer (126 bit)'], ['028181008953097086EE6147C5F4D5FFAF1B498A3D11EC5518E964DC52126B2614F743883F64CA51377ABB530DFD20464A48BD67CD27E7B29AEC685C5D10825E605C056E4AB8EEA460FA27E55AA62C498B02D7247A249838A12ECDF37C6011CF4F0EDEA9CEE687C1CB4A51C6AE62B2EFDB000723A01C99D6C23F834880BA8B42D5414E6F', '(1024 bit)\n96432446964907009840023644401994013457468837455140331578268642517697945390319089463541388080569398374873228752921897678940332050406994011437231634303608704223145390228074087922901239478374991949372306413157758278029522534299413919735715864599284769202556071242381348472464716517735026291259010477833523908207', 'Big integer (1024 bit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bit)\n635048724432704421127930570668665246853305382538324205739741643121831497295424070220821366244137115920753022123888627038218427491681054376713237422498116573180444839575827154645186734602336866679804832661256616738257119870932328599495025506292424741581222812593482590762754785441060866630543522468678295806775919446210955958208696766307578451905771148370694894591388931494246786732600822191966681852303750991082312180670980233382216493445574638820565887523903118457551295241540793541306271618874366356869335229283992012581380459991160410157116077111142487644315609688092841697874946124416376553323373756926990721842430477982958383467149331238064901788481621489266725616974850293388387825359434286033332681714766010619113405542747712973535303497912234899589502990216128180823653963322406352206636893824027962569732222882297210841939793442415179615290739900774082858983244011679281115202763730964934473392333219986431517733237277686866318351054204026883453068392486990840498271719737813876367239342153571643327128417739316281558041652406500713712661305061745568036561978158652008943224271511931676512028205883718704503533046383542018858616087454820845906934069146870330990447993387221061968484774662499598623702280426558025111180066917', 'Big integer (4096 bit)'], ['0202007F', '127', 'Padded 127'], ['0202FF7F', '-129', 'Negative 129'], ['0202FC18', '-1000', 'Negative 1000 (2)'], ['0204FFFFFC18', '-1000', 'Negative 1000 (4)'], ['0208FFFFFFFFFFFFFC18', '-1000', 'Negative 1000 (8)'], ['0210FFFFFFFFFFFFFFFFFFFFFFFFFFFFFC18', '-1000', 'Negative 1000 (16)'], ['0203800001', '-8388607', 'Negative 8388607'],];
tests.forEach(function (t) { var input = t[0], expected = t[1], comment = t[2], result = null; try { result = ASN1.decode(Hex.decode(input)).content(); //TODO: check structure, not only first level content } catch (e) { result = 'Exception:\n' + e; } if (result == expected) console.log('\x1B[1m\x1B[32mOK \x1B[39m\x1B[22m ' + comment); else console.log('\x1B[1m\x1B[31mERR\x1B[39m\x1B[22m ' + comment + '\n' + result);});