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public class ECPoint
extends Object
This immutable class represents a point on an elliptic curve (EC)
in affine coordinates. Other coordinate systems can
extend this class to represent this point in other
coordinates.
Since:
1.5
Field Summary
Fields
Modifier and Type
Field
Description
static ECPoint
POINT_INFINITY
This defines the point at infinity.
Constructor Summary
Constructors
Constructor
Description
ECPoint (BigInteger x,
BigInteger y)
Creates an ECPoint from the specified affine x-coordinate
x
and affine y-coordinate y
.
Constructor Detail
ECPoint
public ECPoint(BigInteger x,
BigInteger y)
Creates an ECPoint from the specified affine x-coordinate
x
and affine y-coordinate y
.
Parameters:
x
- the affine x-coordinate.
y
- the affine y-coordinate.
Throws:
NullPointerException
- if x
or
y
is null.
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