protected ECCurve cloneCurve() { return new SecP521R1Curve(); }
public SecP521R1Curve() { super(q); this.infinity = new SecP521R1Point(this, null, null); this.a = fromBigInteger(new BigInteger(1, Hex.decode("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC"))); this.b = fromBigInteger(new BigInteger(1, Hex.decode("0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00"))); this.order = new BigInteger(1, Hex.decode("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409")); this.cofactor = BigInteger.valueOf(1); this.coord = SecP521R1_DEFAULT_COORDS; }
public ECPoint lookup(int index) { int[] x = Nat.create(FE_INTS), y = Nat.create(FE_INTS); int pos = 0; for (int i = 0; i < len; ++i) { int MASK = ((i ^ index) - 1) >> 31; for (int j = 0; j < FE_INTS; ++j) { x[j] ^= table[pos + j] & MASK; y[j] ^= table[pos + FE_INTS + j] & MASK; } pos += (FE_INTS * 2); } return createRawPoint(new SecP521R1FieldElement(x), new SecP521R1FieldElement(y), false); } };
public SecP521R1Curve() { super(q); this.infinity = new SecP521R1Point(this, null, null); this.a = fromBigInteger(new BigInteger(1, Hex.decode("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC"))); this.b = fromBigInteger(new BigInteger(1, Hex.decode("0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00"))); this.order = new BigInteger(1, Hex.decode("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409")); this.cofactor = BigInteger.valueOf(1); this.coord = SecP521R1_DEFAULT_COORDS; }
protected ECCurve cloneCurve() { return new SecP521R1Curve(); }
protected X9ECParameters createParameters() { byte[] S = Hex.decode("D09E8800291CB85396CC6717393284AAA0DA64BA"); ECCurve curve = configureCurve(new SecP521R1Curve()); X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" + "00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66" + "011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650")); return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S); } };
protected X9ECParameters createParameters() { byte[] S = Hex.decode("D09E8800291CB85396CC6717393284AAA0DA64BA"); ECCurve curve = configureCurve(new SecP521R1Curve()); ECPoint G = curve.decodePoint(Hex.decode("04" + "00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66" + "011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650")); return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S); } };