File	Doc	Category	Size	Date	Package
ECPoint.java	API Doc	Android 1.5 API	3842	Wed May 06 22:41:06 BST 2009	java.security.spec

ECPoint

• java.lang.Object

Fields Summary
public static final ECPoint	POINT_INFINITY The point on an Elliptic Curve at infinity.
private final BigInteger	affineX
private final BigInteger	affineY

Constructors Summary
private ECPoint() // Private ctor for POINT_INFINITY affineX = null; affineY = null;
public ECPoint(BigInteger affineX, BigInteger affineY) Creates a new point at the specified coordinates. param affineX the x-coordinate. param affineY the y-coordinate. since Android 1.0 this.affineX = affineX; if (this.affineX == null) { throw new NullPointerException(Messages.getString("security.83", "X")); //$NON-NLS-1$ //$NON-NLS-2$ } this.affineY = affineY; if (this.affineY == null) { throw new NullPointerException(Messages.getString("security.83", "Y")); //$NON-NLS-1$ //$NON-NLS-2$ }

Methods Summary
public boolean	equals(java.lang.Object other) Returns whether the specified object and this elliptic curve point are equal. param other the object to compare. return {@code true} if the specified object and this elliptic curve point are equal, otherwise {@code false}. since Android 1.0 if (this == other) { return true; } if (other instanceof ECPoint) { if (this.affineX != null) { ECPoint otherPoint = (ECPoint)other; // no need to check for null in this case return this.affineX.equals(otherPoint.affineX) && this.affineY.equals(otherPoint.affineY); } else { return other == POINT_INFINITY; } } return false;
public java.math.BigInteger	getAffineX() Returns the x-coordinate. return the x-coordinate, or {@code null} for the infinite point. since Android 1.0 return affineX;
public java.math.BigInteger	getAffineY() Returns the y-coordinate. return the y-coordinate, or {@code null} fot the infinite point. since Android 1.0 return affineY;
public int	hashCode() Returns the hashcode of this elliptic curve point. return the hashcode of this elliptic curve point. since Android 1.0 if (this.affineX != null) { return affineX.hashCode() * 31 + affineY.hashCode(); } return 11;