java.security.spec

Class ECFieldFp

java.lang.Object

java.security.spec.ECFieldFp

All Implemented Interfaces:

ECField

public class ECFieldFp
extends Object
implements ECField

The parameters specifying a prime finite field of an elliptic curve.

Constructor Summary

Constructors

Constructor and Description
ECFieldFp(BigInteger p) Creates a new prime finite field of an elliptic curve with the specified prime p.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj) Returns whether the specified object is equal to this finite field.
int	getFieldSize() Returns the size of the finite field (in bits).
BigInteger	getP() Returns the prime value p for this finite field.
int	hashCode() Returns the hashcode value for this finite field.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ECFieldFp

public ECFieldFp(BigInteger p)

Creates a new prime finite field of an elliptic curve with the specified prime p.

Parameters:

p - the prime value p.

Throws:

IllegalArgumentException - if p <= zero.

Method Detail

getFieldSize

public int getFieldSize()

Returns the size of the finite field (in bits).

Specified by:

getFieldSize in interface ECField

Returns:

the size of the finite field (in bits).

getP

public BigInteger getP()

Returns the prime value p for this finite field.

Returns:

the prime value p for this finite field.

equals

public boolean equals(Object obj)

Returns whether the specified object is equal to this finite field.

Overrides:

equals in class Object

Parameters:

obj - the object to compare to this finite field.

Returns:

true if the specified object is equal to this finite field, otherwise false.

See Also:

Object.hashCode()

hashCode

public int hashCode()

Returns the hashcode value for this finite field.

Overrides:

hashCode in class Object

Returns:

the hashcode value for this finite field.

See Also:

Object.equals(java.lang.Object)