1 files changed, 0 insertions, 202 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP160R1FieldElement.java b/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP160R1FieldElement.java
deleted file mode 100644
index 9999f481..00000000
--- a/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP160R1FieldElement.java
+++ /dev/null
@@ -1,202 +0,0 @@
-package org.bouncycastle.math.ec.custom.sec;
-
-import java.math.BigInteger;
-
-import org.bouncycastle.math.ec.ECFieldElement;
-import org.bouncycastle.math.raw.Mod;
-import org.bouncycastle.math.raw.Nat160;
-import org.bouncycastle.util.Arrays;
-
-public class SecP160R1FieldElement extends ECFieldElement.AbstractFp
-{
-    public static final BigInteger Q = SecP160R1Curve.q;
-
-    protected int[] x;
-
-    public SecP160R1FieldElement(BigInteger x)
-    {
-        if (x == null || x.signum() < 0 || x.compareTo(Q) >= 0)
-        {
-            throw new IllegalArgumentException("x value invalid for SecP160R1FieldElement");
-        }
-
-        this.x = SecP160R1Field.fromBigInteger(x);
-    }
-
-    public SecP160R1FieldElement()
-    {
-        this.x = Nat160.create();
-    }
-
-    protected SecP160R1FieldElement(int[] x)
-    {
-        this.x = x;
-    }
-
-    public boolean isZero()
-    {
-        return Nat160.isZero(x);
-    }
-
-    public boolean isOne()
-    {
-        return Nat160.isOne(x);
-    }
-
-    public boolean testBitZero()
-    {
-        return Nat160.getBit(x, 0) == 1;
-    }
-
-    public BigInteger toBigInteger()
-    {
-        return Nat160.toBigInteger(x);
-    }
-
-    public String getFieldName()
-    {
-        return "SecP160R1Field";
-    }
-
-    public int getFieldSize()
-    {
-        return Q.bitLength();
-    }
-
-    public ECFieldElement add(ECFieldElement b)
-    {
-        int[] z = Nat160.create();
-        SecP160R1Field.add(x, ((SecP160R1FieldElement)b).x, z);
-        return new SecP160R1FieldElement(z);
-    }
-
-    public ECFieldElement addOne()
-    {
-        int[] z = Nat160.create();
-        SecP160R1Field.addOne(x, z);
-        return new SecP160R1FieldElement(z);
-    }
-
-    public ECFieldElement subtract(ECFieldElement b)
-    {
-        int[] z = Nat160.create();
-        SecP160R1Field.subtract(x, ((SecP160R1FieldElement)b).x, z);
-        return new SecP160R1FieldElement(z);
-    }
-
-    public ECFieldElement multiply(ECFieldElement b)
-    {
-        int[] z = Nat160.create();
-        SecP160R1Field.multiply(x, ((SecP160R1FieldElement)b).x, z);
-        return new SecP160R1FieldElement(z);
-    }
-
-    public ECFieldElement divide(ECFieldElement b)
-    {
-//        return multiply(b.invert());
-        int[] z = Nat160.create();
-        Mod.invert(SecP160R1Field.P, ((SecP160R1FieldElement)b).x, z);
-        SecP160R1Field.multiply(z, x, z);
-        return new SecP160R1FieldElement(z);
-    }
-
-    public ECFieldElement negate()
-    {
-        int[] z = Nat160.create();
-        SecP160R1Field.negate(x, z);
-        return new SecP160R1FieldElement(z);
-    }
-
-    public ECFieldElement square()
-    {
-        int[] z = Nat160.create();
-        SecP160R1Field.square(x, z);
-        return new SecP160R1FieldElement(z);
-    }
-
-    public ECFieldElement invert()
-    {
-//        return new SecP160R1FieldElement(toBigInteger().modInverse(Q));
-        int[] z = Nat160.create();
-        Mod.invert(SecP160R1Field.P, x, z);
-        return new SecP160R1FieldElement(z);
-    }
-
-    // D.1.4 91
-    /**
-     * return a sqrt root - the routine verifies that the calculation returns the right value - if
-     * none exists it returns null.
-     */
-    public ECFieldElement sqrt()
-    {
-        /*
-         * Raise this element to the exponent 2^158 - 2^29
-         *
-         * Breaking up the exponent's binary representation into "repunits", we get:
-         *     { 129 1s } { 29 0s }
-         *
-         * Therefore we need an addition chain containing 129 (the length of the repunit) We use:
-         *     1, 2, 4, 8, 16, 32, 64, 128, [129]
-         */
-
-        int[] x1 = this.x;
-        if (Nat160.isZero(x1) || Nat160.isOne(x1))
-        {
-            return this;
-        }
-
-        int[] x2 = Nat160.create();
-        SecP160R1Field.square(x1, x2);
-        SecP160R1Field.multiply(x2, x1, x2);
-        int[] x4 = Nat160.create();
-        SecP160R1Field.squareN(x2, 2, x4);
-        SecP160R1Field.multiply(x4, x2, x4);
-        int[] x8 = x2;
-        SecP160R1Field.squareN(x4, 4, x8);
-        SecP160R1Field.multiply(x8, x4, x8);
-        int[] x16 = x4;
-        SecP160R1Field.squareN(x8, 8, x16);
-        SecP160R1Field.multiply(x16, x8, x16);
-        int[] x32 = x8;
-        SecP160R1Field.squareN(x16, 16, x32);
-        SecP160R1Field.multiply(x32, x16, x32);
-        int[] x64 = x16;
-        SecP160R1Field.squareN(x32, 32, x64);
-        SecP160R1Field.multiply(x64, x32, x64);
-        int[] x128 = x32;
-        SecP160R1Field.squareN(x64, 64, x128);
-        SecP160R1Field.multiply(x128, x64, x128);
-        int[] x129 = x64;
-        SecP160R1Field.square(x128, x129);
-        SecP160R1Field.multiply(x129, x1, x129);
-
-        int[] t1 = x129;
-        SecP160R1Field.squareN(t1, 29, t1);
-
-        int[] t2 = x128;
-        SecP160R1Field.square(t1, t2);
-
-        return Nat160.eq(x1, t2) ? new SecP160R1FieldElement(t1) : null;
-    }
-
-    public boolean equals(Object other)
-    {
-        if (other == this)
-        {
-            return true;
-        }
-
-        if (!(other instanceof SecP160R1FieldElement))
-        {
-            return false;
-        }
-
-        SecP160R1FieldElement o = (SecP160R1FieldElement)other;
-        return Nat160.eq(x, o.x);
-    }
-
-    public int hashCode()
-    {
-        return Q.hashCode() ^ Arrays.hashCode(x, 0, 5);
-    }
-}