1 files changed, 0 insertions, 186 deletions
diff --git a/core/src/main/java/org/bouncycastle/pqc/math/linearalgebra/GF2nElement.java b/core/src/main/java/org/bouncycastle/pqc/math/linearalgebra/GF2nElement.java
deleted file mode 100644
index faa99dcb..00000000
--- a/core/src/main/java/org/bouncycastle/pqc/math/linearalgebra/GF2nElement.java
+++ /dev/null
@@ -1,186 +0,0 @@
-package org.bouncycastle.pqc.math.linearalgebra;
-
-
-/**
- * This abstract class implements an element of the finite field <i>GF(2)<sup>n
- * </sup></i> in either <i>optimal normal basis</i> representation (<i>ONB</i>)
- * or in <i>polynomial</i> representation. It is extended by the classes <a
- * href = GF2nONBElement.html><tt> GF2nONBElement</tt></a> and <a href =
- * GF2nPolynomialElement.html> <tt>GF2nPolynomialElement</tt> </a>.
- *
- * @see GF2nPolynomialElement
- * @see GF2nONBElement
- * @see GF2nONBField
- */
-public abstract class GF2nElement
-    implements GFElement
-{
-
-    // /////////////////////////////////////////////////////////////////////
-    // member variables
-    // /////////////////////////////////////////////////////////////////////
-
-    /**
-     * holds a pointer to this element's corresponding field.
-     */
-    protected GF2nField mField;
-
-    /**
-     * holds the extension degree <i>n</i> of this element's corresponding
-     * field.
-     */
-    protected int mDegree;
-
-    // /////////////////////////////////////////////////////////////////////
-    // pseudo-constructors
-    // /////////////////////////////////////////////////////////////////////
-
-    /**
-     * @return a copy of this GF2nElement
-     */
-    public abstract Object clone();
-
-    // /////////////////////////////////////////////////////////////////////
-    // assignments
-    // /////////////////////////////////////////////////////////////////////
-
-    /**
-     * Assign the value 0 to this element.
-     */
-    abstract void assignZero();
-
-    /**
-     * Assigns the value 1 to this element.
-     */
-    abstract void assignOne();
-
-    // /////////////////////////////////////////////////////////////////////
-    // access
-    // /////////////////////////////////////////////////////////////////////
-
-    /**
-     * Returns whether the rightmost bit of the bit representation is set. This
-     * is needed for data conversion according to 1363.
-     *
-     * @return true if the rightmost bit of this element is set
-     */
-    public abstract boolean testRightmostBit();
-
-    /**
-     * Checks whether the indexed bit of the bit representation is set
-     *
-     * @param index the index of the bit to test
-     * @return <tt>true</tt> if the indexed bit is set
-     */
-    abstract boolean testBit(int index);
-
-    /**
-     * Returns the field of this element.
-     *
-     * @return the field of this element
-     */
-    public final GF2nField getField()
-    {
-        return mField;
-    }
-
-    // /////////////////////////////////////////////////////////////////////
-    // arithmetic
-    // /////////////////////////////////////////////////////////////////////
-
-    /**
-     * Returns <tt>this</tt> element + 1.
-     *
-     * @return <tt>this</tt> + 1
-     */
-    public abstract GF2nElement increase();
-
-    /**
-     * Increases this element by one.
-     */
-    public abstract void increaseThis();
-
-    /**
-     * Compute the difference of this element and <tt>minuend</tt>.
-     *
-     * @param minuend the minuend
-     * @return <tt>this - minuend</tt> (newly created)
-     * @throws DifferentFieldsException if the elements are of different fields.
-     */
-    public final GFElement subtract(GFElement minuend)
-        throws RuntimeException
-    {
-        return add(minuend);
-    }
-
-    /**
-     * Compute the difference of this element and <tt>minuend</tt>,
-     * overwriting this element.
-     *
-     * @param minuend the minuend
-     * @throws DifferentFieldsException if the elements are of different fields.
-     */
-    public final void subtractFromThis(GFElement minuend)
-    {
-        addToThis(minuend);
-    }
-
-    /**
-     * Returns <tt>this</tt> element to the power of 2.
-     *
-     * @return <tt>this</tt><sup>2</sup>
-     */
-    public abstract GF2nElement square();
-
-    /**
-     * Squares <tt>this</tt> element.
-     */
-    public abstract void squareThis();
-
-    /**
-     * Compute the square root of this element and return the result in a new
-     * {@link GF2nElement}.
-     *
-     * @return <tt>this<sup>1/2</sup></tt> (newly created)
-     */
-    public abstract GF2nElement squareRoot();
-
-    /**
-     * Compute the square root of this element.
-     */
-    public abstract void squareRootThis();
-
-    /**
-     * Performs a basis transformation of this element to the given GF2nField
-     * <tt>basis</tt>.
-     *
-     * @param basis the GF2nField representation to transform this element to
-     * @return this element in the representation of <tt>basis</tt>
-     * @throws DifferentFieldsException if <tt>this</tt> cannot be converted according to
-     * <tt>basis</tt>.
-     */
-    public final GF2nElement convert(GF2nField basis)
-        throws RuntimeException
-    {
-        return mField.convert(this, basis);
-    }
-
-    /**
-     * Returns the trace of this element.
-     *
-     * @return the trace of this element
-     */
-    public abstract int trace();
-
-    /**
-     * Solves a quadratic equation.<br>
-     * Let z<sup>2</sup> + z = <tt>this</tt>. Then this method returns z.
-     *
-     * @return z with z<sup>2</sup> + z = <tt>this</tt>
-     * @throws NoSolutionException if z<sup>2</sup> + z = <tt>this</tt> does not have a
-     * solution
-     */
-    public abstract GF2nElement solveQuadraticEquation()
-        throws RuntimeException;
-
-}