Bouncy Castle Cryptography 1.51

org.bouncycastle.math.ec
Class ECFieldElement

java.lang.Object
  extended by org.bouncycastle.math.ec.ECFieldElement
All Implemented Interfaces:
ECConstants
Direct Known Subclasses:
Curve25519FieldElement, ECFieldElement.F2m, ECFieldElement.Fp, SecP192K1FieldElement, SecP192R1FieldElement, SecP224K1FieldElement, SecP224R1FieldElement, SecP256K1FieldElement, SecP256R1FieldElement, SecP384R1FieldElement, SecP521R1FieldElement

public abstract class ECFieldElement
extends java.lang.Object
implements ECConstants


Nested Class Summary
static class ECFieldElement.F2m
          Class representing the Elements of the finite field F2m in polynomial basis (PB) representation.
static class ECFieldElement.Fp
           
 
Field Summary
 
Fields inherited from interface org.bouncycastle.math.ec.ECConstants
FOUR, ONE, THREE, TWO, ZERO
 
Constructor Summary
ECFieldElement()
           
 
Method Summary
abstract  ECFieldElement add(ECFieldElement b)
           
abstract  ECFieldElement addOne()
           
 int bitLength()
           
abstract  ECFieldElement divide(ECFieldElement b)
           
 byte[] getEncoded()
           
abstract  java.lang.String getFieldName()
           
abstract  int getFieldSize()
           
abstract  ECFieldElement invert()
           
 boolean isOne()
           
 boolean isZero()
           
abstract  ECFieldElement multiply(ECFieldElement b)
           
 ECFieldElement multiplyMinusProduct(ECFieldElement b, ECFieldElement x, ECFieldElement y)
           
 ECFieldElement multiplyPlusProduct(ECFieldElement b, ECFieldElement x, ECFieldElement y)
           
abstract  ECFieldElement negate()
           
abstract  ECFieldElement sqrt()
           
abstract  ECFieldElement square()
           
 ECFieldElement squareMinusProduct(ECFieldElement x, ECFieldElement y)
           
 ECFieldElement squarePlusProduct(ECFieldElement x, ECFieldElement y)
           
abstract  ECFieldElement subtract(ECFieldElement b)
           
 boolean testBitZero()
           
abstract  java.math.BigInteger toBigInteger()
           
 java.lang.String toString()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ECFieldElement

public ECFieldElement()
Method Detail

toBigInteger

public abstract java.math.BigInteger toBigInteger()

getFieldName

public abstract java.lang.String getFieldName()

getFieldSize

public abstract int getFieldSize()

add

public abstract ECFieldElement add(ECFieldElement b)

addOne

public abstract ECFieldElement addOne()

subtract

public abstract ECFieldElement subtract(ECFieldElement b)

multiply

public abstract ECFieldElement multiply(ECFieldElement b)

divide

public abstract ECFieldElement divide(ECFieldElement b)

negate

public abstract ECFieldElement negate()

square

public abstract ECFieldElement square()

invert

public abstract ECFieldElement invert()

sqrt

public abstract ECFieldElement sqrt()

bitLength

public int bitLength()

isOne

public boolean isOne()

isZero

public boolean isZero()

multiplyMinusProduct

public ECFieldElement multiplyMinusProduct(ECFieldElement b,
                                           ECFieldElement x,
                                           ECFieldElement y)

multiplyPlusProduct

public ECFieldElement multiplyPlusProduct(ECFieldElement b,
                                          ECFieldElement x,
                                          ECFieldElement y)

squareMinusProduct

public ECFieldElement squareMinusProduct(ECFieldElement x,
                                         ECFieldElement y)

squarePlusProduct

public ECFieldElement squarePlusProduct(ECFieldElement x,
                                        ECFieldElement y)

testBitZero

public boolean testBitZero()

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object

getEncoded

public byte[] getEncoded()

Bouncy Castle Cryptography 1.51