1 files changed, 80 insertions, 0 deletions
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;
+    }
+}