Class ECFieldFp

public class ECFieldFp
extends Object
implements ECField

This immutable class defines an elliptic curve (EC) prime finite field.

Constructor Summary

Constructors
Constructor	Description
`ECFieldFp(BigInteger p)`	Creates an elliptic curve prime finite field with the specified prime `p`.

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object obj)`	Compares this prime finite field for equality with the specified object.
`int`	`getFieldSize()`	Returns the field size in bits which is size of prime p for this prime finite field.
`BigInteger`	`getP()`	Returns the prime `p` of this prime finite field.
`int`	`hashCode()`	Returns a hash code value for this prime finite field.

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

public ECFieldFp(BigInteger p)

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

Parameters:: p - the prime.
Throws:: NullPointerException - if p is null.; IllegalArgumentException - if p is not positive.

public int getFieldSize()

Returns the field size in bits which is size of prime p for this prime finite field.

public BigInteger getP()

Returns the prime p of this prime finite field.

public boolean equals(Object obj)

Compares this prime finite field for equality with the specified object.

Overrides:: equals in class Object
Parameters:: obj - the object to be compared.
Returns:: true if obj is an instance of ECFieldFp and the prime value match, false otherwise.
See Also:: Object.hashCode(), HashMap

public int hashCode()

Returns a hash code value for this prime finite field.

Overrides:: hashCode in class Object
Returns:: a hash code value.
See Also:: Object.equals(java.lang.Object), System.identityHashCode(java.lang.Object)