Class ECFieldFp

java.lang.Object
java.security.spec.ECFieldFp
All Implemented Interfaces:
ECField
public class ECFieldFp extends Object implements ECField
This immutable class defines an elliptic curve (EC) prime finite field.
Since:
1.5
See Also:

  • Constructor Summary

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

  • Method Summary

    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 declared in class Object

    clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
    Modifier and Type
    Method
    Description
    protected Object
    clone()
    Answers a new instance of the same class as the receiver, whose slots have been filled in with the values in the slots of the receiver.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    May cause performance issues, deadlocks and hangs.
    final Class<? extends Object>
    getClass()
    Answers the unique instance of java.lang.Class which represents the class of the receiver.
    final void
    notify()
    Causes one thread which is waiting on the receiver to be made ready to run.
    final void
    notifyAll()
    Causes all threads which are waiting on the receiver to be made ready to run.
    String
    toString()
    Answers a string containing a concise, human-readable description of the receiver.
    final void
    wait()
    Causes the thread which sent this message to be made not ready to run pending some change in the receiver (as indicated by notify or notifyAll).
    final void
    wait(long time)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.
    final void
    wait(long time, int frac)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.

  • Constructor Details

  • Method Details

    • 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:

    • hashCode

      public int hashCode()
      Returns a hash code value for this prime finite field.
      Overrides:
      hashCode in class Object
      Returns:
      a hash code value for this prime finite field
      See Also: