ECPoint
open class ECPoint
kotlin.Any | |
↳ | java.security.spec.ECPoint |
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.
Summary
Public constructors | |
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ECPoint(x: BigInteger!, y: BigInteger!) Creates an ECPoint from the specified affine x-coordinate |
Public methods | |
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open Boolean |
Compares this elliptic curve point for equality with the specified object. |
open BigInteger! |
Returns the affine x-coordinate |
open BigInteger! |
Returns the affine y-coordinate |
open Int |
hashCode() Returns a hash code value for this elliptic curve point. |
Properties | |
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static ECPoint! |
This defines the point at infinity. |
Public constructors
ECPoint
ECPoint(
x: BigInteger!,
y: BigInteger!)
Creates an ECPoint from the specified affine x-coordinate x
and affine y-coordinate y
.
Parameters | |
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x |
BigInteger!: the affine x-coordinate. |
y |
BigInteger!: the affine y-coordinate. |
Exceptions | |
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java.lang.NullPointerException |
if x or y is null. |
Public methods
equals
open fun equals(other: Any?): Boolean
Compares this elliptic curve point for equality with the specified object.
Parameters | |
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obj |
the object to be compared. |
Return | |
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Boolean |
true if obj is an instance of ECPoint and the affine coordinates match, false otherwise. |
getAffineX
open fun getAffineX(): BigInteger!
Returns the affine x-coordinate x
. Note: POINT_INFINITY has a null affine x-coordinate.
Return | |
---|---|
BigInteger! |
the affine x-coordinate. |
getAffineY
open fun getAffineY(): BigInteger!
Returns the affine y-coordinate y
. Note: POINT_INFINITY has a null affine y-coordinate.
Return | |
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BigInteger! |
the affine y-coordinate. |
hashCode
open fun hashCode(): Int
Returns a hash code value for this elliptic curve point.
Return | |
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Int |
a hash code value. |
Properties
POINT_INFINITY
static val POINT_INFINITY: ECPoint!
This defines the point at infinity.