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Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP521R1Curve.java')
-rw-r--r--bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP521R1Curve.java80
1 files changed, 80 insertions, 0 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP521R1Curve.java b/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP521R1Curve.java
new file mode 100644
index 0000000..16691b1
--- /dev/null
+++ b/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP521R1Curve.java
@@ -0,0 +1,80 @@
+package org.bouncycastle.math.ec.custom.sec;
+
+import java.math.BigInteger;
+
+import org.bouncycastle.math.ec.ECCurve;
+import org.bouncycastle.math.ec.ECFieldElement;
+import org.bouncycastle.math.ec.ECPoint;
+import org.bouncycastle.util.encoders.Hex;
+
+public class SecP521R1Curve extends ECCurve.AbstractFp
+{
+ public static final BigInteger q = new BigInteger(1,
+ Hex.decode("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"));
+
+ private static final int SecP521R1_DEFAULT_COORDS = COORD_JACOBIAN;
+
+ protected SecP521R1Point infinity;
+
+ 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();
+ }
+
+ 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 SecP521R1FieldElement(x);
+ }
+
+ protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, boolean withCompression)
+ {
+ return new SecP521R1Point(this, x, y, withCompression);
+ }
+
+ protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, boolean withCompression)
+ {
+ return new SecP521R1Point(this, x, y, zs, withCompression);
+ }
+
+ public ECPoint getInfinity()
+ {
+ return infinity;
+ }
+}