/*! ecparam-1.0.0.js (c) 2013 Kenji Urushima | kjur.github.com/jsrsasign/license
*/
/*
* ecparam.js - Elliptic Curve Cryptography Curve Parameter Definition class
*
* Copyright (c) 2013 Kenji Urushima (kenji.urushima@gmail.com)
*
* This software is licensed under the terms of the MIT License.
* http://kjur.github.com/jsrsasign/license
*
* The above copyright and license notice shall be
* included in all copies or substantial portions of the Software.
*/
/**
* @fileOverview
* @name ecparam-1.1.js
* @author Kenji Urushima kenji.urushima@gmail.com
* @version 1.0.0 (2013-Jul-17)
* @since jsrsasign 4.0
* @license MIT License
*/
if (typeof KJUR == "undefined" || !KJUR) KJUR = {};
if (typeof KJUR.crypto == "undefined" || !KJUR.crypto) KJUR.crypto = {};
/**
* static object for elliptic curve names and parameters
* @name KJUR.crypto.ECParameterDB
* @class static object for elliptic curve names and parameters
* @description
* This class provides parameters for named elliptic curves.
* Currently it supoprts following curve names and aliases however
* the name marked (*) are available for {@link KJUR.crypto.ECDSA} and
* {@link KJUR.crypto.Signature} classes.
*
* - secp128r1
* - secp160r1
* - secp160k1
* - secp192r1
* - secp192k1
* - secp224r1
* - secp256r1, NIST P-256, P-256, prime256v1 (*)
* - secp256k1 (*)
* - secp384r1, NIST P-384, P-384 (*)
* - secp521r1, NIST P-521, P-521
*
* You can register new curves by using 'register' method.
*/
KJUR.crypto.ECParameterDB = new function() {
var db = {};
var aliasDB = {};
function hex2bi(hex) {
return new BigInteger(hex, 16);
}
/**
* get curve inforamtion associative array for curve name or alias
* @name getByName
* @memberOf KJUR.crypto.ECParameterDB
* @function
* @param {String} nameOrAlias curve name or alias name
* @return {Array} associative array of curve parameters
* @example
* var param = KJUR.crypto.ECParameterDB.getByName('prime256v1');
* var keylen = param['keylen'];
* var n = param['n'];
*/
this.getByName = function(nameOrAlias) {
var name = nameOrAlias;
if (typeof aliasDB[name] != "undefined") {
name = aliasDB[nameOrAlias];
}
if (typeof db[name] != "undefined") {
return db[name];
}
throw "unregistered EC curve name: " + name;
};
/**
* register new curve
* @name regist
* @memberOf KJUR.crypto.ECParameterDB
* @function
* @param {String} name name of curve
* @param {Integer} keylen key length
* @param {String} pHex hexadecimal value of p
* @param {String} aHex hexadecimal value of a
* @param {String} bHex hexadecimal value of b
* @param {String} nHex hexadecimal value of n
* @param {String} hHex hexadecimal value of h
* @param {String} gxHex hexadecimal value of Gx
* @param {String} gyHex hexadecimal value of Gy
* @param {Array} aliasList array of string for curve names aliases
* @param {String} oid Object Identifier for the curve
* @param {String} info information string for the curve
*/
this.regist = function(name, keylen, pHex, aHex, bHex, nHex, hHex, gxHex, gyHex, aliasList, oid, info) {
db[name] = {};
var p = hex2bi(pHex);
var a = hex2bi(aHex);
var b = hex2bi(bHex);
var n = hex2bi(nHex);
var h = hex2bi(hHex);
var curve = new ECCurveFp(p, a, b);
var G = curve.decodePointHex("04" + gxHex + gyHex);
db[name]['name'] = name;
db[name]['keylen'] = keylen;
db[name]['curve'] = curve;
db[name]['G'] = G;
db[name]['n'] = n;
db[name]['h'] = h;
db[name]['oid'] = oid;
db[name]['info'] = info;
for (var i = 0; i < aliasList.length; i++) {
aliasDB[aliasList[i]] = name;
}
};
};
KJUR.crypto.ECParameterDB.regist(
"secp128r1", // name / p = 2^128 - 2^97 - 1
128,
"FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF", // p
"FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFC", // a
"E87579C11079F43DD824993C2CEE5ED3", // b
"FFFFFFFE0000000075A30D1B9038A115", // n
"1", // h
"161FF7528B899B2D0C28607CA52C5B86", // gx
"CF5AC8395BAFEB13C02DA292DDED7A83", // gy
[], // alias
"", // oid (underconstruction)
"secp128r1 : SECG curve over a 128 bit prime field"); // info
KJUR.crypto.ECParameterDB.regist(
"secp160k1", // name / p = 2^160 - 2^32 - 2^14 - 2^12 - 2^9 - 2^8 - 2^7 - 2^3 - 2^2 - 1
160,
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73", // p
"0", // a
"7", // b
"0100000000000000000001B8FA16DFAB9ACA16B6B3", // n
"1", // h
"3B4C382CE37AA192A4019E763036F4F5DD4D7EBB", // gx
"938CF935318FDCED6BC28286531733C3F03C4FEE", // gy
[], // alias
"", // oid
"secp160k1 : SECG curve over a 160 bit prime field"); // info
KJUR.crypto.ECParameterDB.regist(
"secp160r1", // name / p = 2^160 - 2^31 - 1
160,
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF", // p
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC", // a
"1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45", // b
"0100000000000000000001F4C8F927AED3CA752257", // n
"1", // h
"4A96B5688EF573284664698968C38BB913CBFC82", // gx
"23A628553168947D59DCC912042351377AC5FB32", // gy
[], // alias
"", // oid
"secp160r1 : SECG curve over a 160 bit prime field"); // info
KJUR.crypto.ECParameterDB.regist(
"secp192k1", // name / p = 2^192 - 2^32 - 2^12 - 2^8 - 2^7 - 2^6 - 2^3 - 1
192,
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37", // p
"0", // a
"3", // b
"FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D", // n
"1", // h
"DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D", // gx
"9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D", // gy
[]); // alias
KJUR.crypto.ECParameterDB.regist(
"secp192r1", // name / p = 2^192 - 2^64 - 1
192,
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF", // p
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC", // a
"64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1", // b
"FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831", // n
"1", // h
"188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012", // gx
"07192B95FFC8DA78631011ED6B24CDD573F977A11E794811", // gy
[]); // alias
KJUR.crypto.ECParameterDB.regist(
"secp224r1", // name / p = 2^224 - 2^96 + 1
224,
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001", // p
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE", // a
"B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4", // b
"FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D", // n
"1", // h
"B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21", // gx
"BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34", // gy
[]); // alias
KJUR.crypto.ECParameterDB.regist(
"secp256k1", // name / p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1
256,
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", // p
"0", // a
"7", // b
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141", // n
"1", // h
"79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798", // gx
"483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8", // gy
[]); // alias
KJUR.crypto.ECParameterDB.regist(
"secp256r1", // name / p = 2^224 (2^32 - 1) + 2^192 + 2^96 - 1
256,
"FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF", // p
"FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC", // a
"5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B", // b
"FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551", // n
"1", // h
"6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296", // gx
"4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5", // gy
["NIST P-256", "P-256", "prime256v1"]); // alias
KJUR.crypto.ECParameterDB.regist(
"secp384r1", // name
384,
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF", // p
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC", // a
"B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF", // b
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973", // n
"1", // h
"AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7", // gx
"3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", // gy
["NIST P-384", "P-384"]); // alias
KJUR.crypto.ECParameterDB.regist(
"secp521r1", // name
521,
"1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", // p
"1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC", // a
"051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00", // b
"1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409", // n
"1", // h
"C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66", // gx
"011839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", // gy
["NIST P-521", "P-521"]); // alias