All Implemented Interfaces:

ECField

public class ECFieldFp
extends Object
implements ECField 

Since:

1.5

See Also:

ECField

• Constructor Summary

  Constructors

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

• Method Summary

  All 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.

  • Methods inherited from class java.lang.Object

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

• Constructor Detail

  • ECFieldFp

    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.

• Method Detail

  • getFieldSize

    public int getFieldSize()

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

    Specified by:

    getFieldSize in interface ECField

    Returns:

    the field size in bits.

  • getP

    public BigInteger getP()

    Returns the prime p of this prime finite field.

    Returns:

    the prime.

  • equals

    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

  • hashCode

    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)