| // Named EC curves |
| |
| // Requires ec.js, jsbn.js, and jsbn2.js |
| var BigInteger = require('jsbn').BigInteger |
| var ECCurveFp = require('./ec.js').ECCurveFp |
| |
| |
| // ---------------- |
| // X9ECParameters |
| |
| // constructor |
| function X9ECParameters(curve,g,n,h) { |
| this.curve = curve; |
| this.g = g; |
| this.n = n; |
| this.h = h; |
| } |
| |
| function x9getCurve() { |
| return this.curve; |
| } |
| |
| function x9getG() { |
| return this.g; |
| } |
| |
| function x9getN() { |
| return this.n; |
| } |
| |
| function x9getH() { |
| return this.h; |
| } |
| |
| X9ECParameters.prototype.getCurve = x9getCurve; |
| X9ECParameters.prototype.getG = x9getG; |
| X9ECParameters.prototype.getN = x9getN; |
| X9ECParameters.prototype.getH = x9getH; |
| |
| // ---------------- |
| // SECNamedCurves |
| |
| function fromHex(s) { return new BigInteger(s, 16); } |
| |
| function secp128r1() { |
| // p = 2^128 - 2^97 - 1 |
| var p = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF"); |
| var a = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFC"); |
| var b = fromHex("E87579C11079F43DD824993C2CEE5ED3"); |
| //byte[] S = Hex.decode("000E0D4D696E6768756151750CC03A4473D03679"); |
| var n = fromHex("FFFFFFFE0000000075A30D1B9038A115"); |
| var h = BigInteger.ONE; |
| var curve = new ECCurveFp(p, a, b); |
| var G = curve.decodePointHex("04" |
| + "161FF7528B899B2D0C28607CA52C5B86" |
| + "CF5AC8395BAFEB13C02DA292DDED7A83"); |
| return new X9ECParameters(curve, G, n, h); |
| } |
| |
| function secp160k1() { |
| // p = 2^160 - 2^32 - 2^14 - 2^12 - 2^9 - 2^8 - 2^7 - 2^3 - 2^2 - 1 |
| var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73"); |
| var a = BigInteger.ZERO; |
| var b = fromHex("7"); |
| //byte[] S = null; |
| var n = fromHex("0100000000000000000001B8FA16DFAB9ACA16B6B3"); |
| var h = BigInteger.ONE; |
| var curve = new ECCurveFp(p, a, b); |
| var G = curve.decodePointHex("04" |
| + "3B4C382CE37AA192A4019E763036F4F5DD4D7EBB" |
| + "938CF935318FDCED6BC28286531733C3F03C4FEE"); |
| return new X9ECParameters(curve, G, n, h); |
| } |
| |
| function secp160r1() { |
| // p = 2^160 - 2^31 - 1 |
| var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF"); |
| var a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC"); |
| var b = fromHex("1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45"); |
| //byte[] S = Hex.decode("1053CDE42C14D696E67687561517533BF3F83345"); |
| var n = fromHex("0100000000000000000001F4C8F927AED3CA752257"); |
| var h = BigInteger.ONE; |
| var curve = new ECCurveFp(p, a, b); |
| var G = curve.decodePointHex("04" |
| + "4A96B5688EF573284664698968C38BB913CBFC82" |
| + "23A628553168947D59DCC912042351377AC5FB32"); |
| return new X9ECParameters(curve, G, n, h); |
| } |
| |
| function secp192k1() { |
| // p = 2^192 - 2^32 - 2^12 - 2^8 - 2^7 - 2^6 - 2^3 - 1 |
| var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37"); |
| var a = BigInteger.ZERO; |
| var b = fromHex("3"); |
| //byte[] S = null; |
| var n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D"); |
| var h = BigInteger.ONE; |
| var curve = new ECCurveFp(p, a, b); |
| var G = curve.decodePointHex("04" |
| + "DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D" |
| + "9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D"); |
| return new X9ECParameters(curve, G, n, h); |
| } |
| |
| function secp192r1() { |
| // p = 2^192 - 2^64 - 1 |
| var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"); |
| var a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC"); |
| var b = fromHex("64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1"); |
| //byte[] S = Hex.decode("3045AE6FC8422F64ED579528D38120EAE12196D5"); |
| var n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"); |
| var h = BigInteger.ONE; |
| var curve = new ECCurveFp(p, a, b); |
| var G = curve.decodePointHex("04" |
| + "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012" |
| + "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811"); |
| return new X9ECParameters(curve, G, n, h); |
| } |
| |
| function secp224r1() { |
| // p = 2^224 - 2^96 + 1 |
| var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001"); |
| var a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"); |
| var b = fromHex("B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"); |
| //byte[] S = Hex.decode("BD71344799D5C7FCDC45B59FA3B9AB8F6A948BC5"); |
| var n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"); |
| var h = BigInteger.ONE; |
| var curve = new ECCurveFp(p, a, b); |
| var G = curve.decodePointHex("04" |
| + "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21" |
| + "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34"); |
| return new X9ECParameters(curve, G, n, h); |
| } |
| |
| function secp256r1() { |
| // p = 2^224 (2^32 - 1) + 2^192 + 2^96 - 1 |
| var p = fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"); |
| var a = fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC"); |
| var b = fromHex("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B"); |
| //byte[] S = Hex.decode("C49D360886E704936A6678E1139D26B7819F7E90"); |
| var n = fromHex("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551"); |
| var h = BigInteger.ONE; |
| var curve = new ECCurveFp(p, a, b); |
| var G = curve.decodePointHex("04" |
| + "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296" |
| + "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5"); |
| return new X9ECParameters(curve, G, n, h); |
| } |
| |
| // TODO: make this into a proper hashtable |
| function getSECCurveByName(name) { |
| if(name == "secp128r1") return secp128r1(); |
| if(name == "secp160k1") return secp160k1(); |
| if(name == "secp160r1") return secp160r1(); |
| if(name == "secp192k1") return secp192k1(); |
| if(name == "secp192r1") return secp192r1(); |
| if(name == "secp224r1") return secp224r1(); |
| if(name == "secp256r1") return secp256r1(); |
| return null; |
| } |
| |
| module.exports = { |
| "secp128r1":secp128r1, |
| "secp160k1":secp160k1, |
| "secp160r1":secp160r1, |
| "secp192k1":secp192k1, |
| "secp192r1":secp192r1, |
| "secp224r1":secp224r1, |
| "secp256r1":secp256r1 |
| } |