diff --git a/src/jsbn/ec.js b/src/jsbn/ec.js index a7642e8..9dd1856 100644 --- a/src/jsbn/ec.js +++ b/src/jsbn/ec.js @@ -283,38 +283,12 @@ function curveFpFromBigInteger(x) { return new ECFieldElementFp(this.q, x); } -// for now, work with hex strings because they're easier in JS -function curveFpDecodePointHex(s) { - switch(parseInt(s.substr(0,2), 16)) { // first byte - case 0: - return this.infinity; - case 2: - case 3: - // point compression not supported yet - return null; - case 4: - case 6: - case 7: - var len = (s.length - 2) / 2; - var xHex = s.substr(2, len); - var yHex = s.substr(len+2, len); - - return new ECPointFp(this, - this.fromBigInteger(new BigInteger(xHex, 16)), - this.fromBigInteger(new BigInteger(yHex, 16))); - - default: // unsupported - return null; - } -} - ECCurveFp.prototype.getQ = curveFpGetQ; ECCurveFp.prototype.getA = curveFpGetA; ECCurveFp.prototype.getB = curveFpGetB; ECCurveFp.prototype.equals = curveFpEquals; ECCurveFp.prototype.getInfinity = curveFpGetInfinity; ECCurveFp.prototype.fromBigInteger = curveFpFromBigInteger; -ECCurveFp.prototype.decodePointHex = curveFpDecodePointHex; // prepends 0 if bytes < len // cuts off start if bytes > len diff --git a/src/jsbn/sec.js b/src/jsbn/sec.js index 5a95700..3dee7e2 100644 --- a/src/jsbn/sec.js +++ b/src/jsbn/sec.js @@ -1,9 +1,8 @@ // Named EC curves -// Requires ec.js, jsbn.js, and jsbn2.js - -var ECCurveFp = require('./ec'); -var BigInteger = require('./jsbn'); +var ECCurveFp = require('./ec') +var ECPointFp = require('./ec').ECPointFp +var BigInteger = require('./jsbn') // ---------------- // X9ECParameters @@ -47,13 +46,17 @@ function secp128r1() { var p = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF"); var a = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFC"); var b = fromHex("E87579C11079F43DD824993C2CEE5ED3"); - //byte[] S = Hex.decode("000E0D4D696E6768756151750CC03A4473D03679"); + //byte[] S = fromHex("000E0D4D696E6768756151750CC03A4473D03679"); var n = fromHex("FFFFFFFE0000000075A30D1B9038A115"); var h = BigInteger.ONE; var curve = new ECCurveFp(p, a, b); - var G = curve.decodePointHex("04" - + "161FF7528B899B2D0C28607CA52C5B86" - + "CF5AC8395BAFEB13C02DA292DDED7A83"); + + var x = fromHex("161FF7528B899B2D0C28607CA52C5B86") + var y = fromHex("CF5AC8395BAFEB13C02DA292DDED7A83") + var G = new ECPointFp(curve, + curve.fromBigInteger(x), + curve.fromBigInteger(y)) + return new X9ECParameters(curve, G, n, h); } @@ -66,9 +69,13 @@ function secp160k1() { var n = fromHex("0100000000000000000001B8FA16DFAB9ACA16B6B3"); var h = BigInteger.ONE; var curve = new ECCurveFp(p, a, b); - var G = curve.decodePointHex("04" - + "3B4C382CE37AA192A4019E763036F4F5DD4D7EBB" - + "938CF935318FDCED6BC28286531733C3F03C4FEE"); + + var x = fromHex("3B4C382CE37AA192A4019E763036F4F5DD4D7EBB") + var y = fromHex("938CF935318FDCED6BC28286531733C3F03C4FEE") + var G = new ECPointFp(curve, + curve.fromBigInteger(x), + curve.fromBigInteger(y)) + return new X9ECParameters(curve, G, n, h); } @@ -77,13 +84,17 @@ function secp160r1() { var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF"); var a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC"); var b = fromHex("1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45"); - //byte[] S = Hex.decode("1053CDE42C14D696E67687561517533BF3F83345"); + //byte[] S = fromHex("1053CDE42C14D696E67687561517533BF3F83345"); var n = fromHex("0100000000000000000001F4C8F927AED3CA752257"); var h = BigInteger.ONE; var curve = new ECCurveFp(p, a, b); - var G = curve.decodePointHex("04" - + "4A96B5688EF573284664698968C38BB913CBFC82" - + "23A628553168947D59DCC912042351377AC5FB32"); + + var x = fromHex("4A96B5688EF573284664698968C38BB913CBFC82") + var y = fromHex("23A628553168947D59DCC912042351377AC5FB32") + var G = new ECPointFp(curve, + curve.fromBigInteger(x), + curve.fromBigInteger(y)) + return new X9ECParameters(curve, G, n, h); } @@ -96,9 +107,13 @@ function secp192k1() { var n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D"); var h = BigInteger.ONE; var curve = new ECCurveFp(p, a, b); - var G = curve.decodePointHex("04" - + "DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D" - + "9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D"); + + var x = fromHex("DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D") + var y = fromHex("9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D") + var G = new ECPointFp(curve, + curve.fromBigInteger(x), + curve.fromBigInteger(y)) + return new X9ECParameters(curve, G, n, h); } @@ -107,13 +122,17 @@ function secp192r1() { var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"); var a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC"); var b = fromHex("64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1"); - //byte[] S = Hex.decode("3045AE6FC8422F64ED579528D38120EAE12196D5"); + //byte[] S = fromHex("3045AE6FC8422F64ED579528D38120EAE12196D5"); var n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"); var h = BigInteger.ONE; var curve = new ECCurveFp(p, a, b); - var G = curve.decodePointHex("04" - + "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012" - + "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811"); + + var x = fromHex("188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012") + var y = fromHex("07192B95FFC8DA78631011ED6B24CDD573F977A11E794811") + var G = new ECPointFp(curve, + curve.fromBigInteger(x), + curve.fromBigInteger(y)) + return new X9ECParameters(curve, G, n, h); } @@ -122,13 +141,17 @@ function secp224r1() { var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001"); var a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"); var b = fromHex("B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"); - //byte[] S = Hex.decode("BD71344799D5C7FCDC45B59FA3B9AB8F6A948BC5"); + //byte[] S = fromHex("BD71344799D5C7FCDC45B59FA3B9AB8F6A948BC5"); var n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"); var h = BigInteger.ONE; var curve = new ECCurveFp(p, a, b); - var G = curve.decodePointHex("04" - + "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21" - + "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34"); + + var x = fromHex("B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21") + var y = fromHex("BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34") + var G = new ECPointFp(curve, + curve.fromBigInteger(x), + curve.fromBigInteger(y)) + return new X9ECParameters(curve, G, n, h); } @@ -141,9 +164,13 @@ function secp256k1() { var n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141"); var h = BigInteger.ONE; var curve = new ECCurveFp(p, a, b); - var G = curve.decodePointHex("04" - + "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798" - + "483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8"); + + var x = fromHex("79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798") + var y = fromHex("483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8") + var G = new ECPointFp(curve, + curve.fromBigInteger(x), + curve.fromBigInteger(y)) + return new X9ECParameters(curve, G, n, h); } @@ -152,13 +179,17 @@ function secp256r1() { var p = fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"); var a = fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC"); var b = fromHex("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B"); - //byte[] S = Hex.decode("C49D360886E704936A6678E1139D26B7819F7E90"); + //byte[] S = fromHex("C49D360886E704936A6678E1139D26B7819F7E90"); var n = fromHex("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551"); var h = BigInteger.ONE; var curve = new ECCurveFp(p, a, b); - var G = curve.decodePointHex("04" - + "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296" - + "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5"); + + var x = fromHex("6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296") + var y = fromHex("4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5") + var G = new ECPointFp(curve, + curve.fromBigInteger(x), + curve.fromBigInteger(y)) + return new X9ECParameters(curve, G, n, h); }