From 7cb752aaf746dc0b473afeb9e892b7fbc12666c5 Mon Sep 17 00:00:00 2001 From: Roberto Tyley Date: Mon, 14 Jul 2014 22:38:01 +0100 Subject: Execute become-spongy.sh https://github.com/rtyley/spongycastle/blob/3040af/become-spongy.sh --- .../math/ec/custom/sec/SecP224R1Curve.java | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 core/src/main/java/org/spongycastle/math/ec/custom/sec/SecP224R1Curve.java (limited to 'core/src/main/java/org/spongycastle/math/ec/custom/sec/SecP224R1Curve.java') diff --git a/core/src/main/java/org/spongycastle/math/ec/custom/sec/SecP224R1Curve.java b/core/src/main/java/org/spongycastle/math/ec/custom/sec/SecP224R1Curve.java new file mode 100644 index 00000000..e81cca7f --- /dev/null +++ b/core/src/main/java/org/spongycastle/math/ec/custom/sec/SecP224R1Curve.java @@ -0,0 +1,80 @@ +package org.spongycastle.math.ec.custom.sec; + +import java.math.BigInteger; + +import org.spongycastle.math.ec.ECCurve; +import org.spongycastle.math.ec.ECFieldElement; +import org.spongycastle.math.ec.ECPoint; +import org.spongycastle.util.encoders.Hex; + +public class SecP224R1Curve extends ECCurve.AbstractFp +{ + public static final BigInteger q = new BigInteger(1, + Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001")); + + private static final int SecP224R1_DEFAULT_COORDS = COORD_JACOBIAN; + + protected SecP224R1Point infinity; + + public SecP224R1Curve() + { + super(q); + + this.infinity = new SecP224R1Point(this, null, null); + + this.a = fromBigInteger(new BigInteger(1, + Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"))); + this.b = fromBigInteger(new BigInteger(1, + Hex.decode("B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"))); + this.order = new BigInteger(1, Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D")); + this.cofactor = BigInteger.valueOf(1); + + this.coord = SecP224R1_DEFAULT_COORDS; + } + + protected ECCurve cloneCurve() + { + return new SecP224R1Curve(); + } + + public boolean supportsCoordinateSystem(int coord) + { + switch (coord) + { + case COORD_JACOBIAN: + return true; + default: + return false; + } + } + + public BigInteger getQ() + { + return q; + } + + public int getFieldSize() + { + return q.bitLength(); + } + + public ECFieldElement fromBigInteger(BigInteger x) + { + return new SecP224R1FieldElement(x); + } + + protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, boolean withCompression) + { + return new SecP224R1Point(this, x, y, withCompression); + } + + protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, boolean withCompression) + { + return new SecP224R1Point(this, x, y, zs, withCompression); + } + + public ECPoint getInfinity() + { + return infinity; + } +} -- cgit v1.2.3