Bouncy Castle Cryptography Library 1.81

org.bouncycastle.math.ec.custom.sec
Class SecP160R2FieldElement

java.lang.Object
  extended byorg.bouncycastle.math.ec.ECFieldElement
      extended byorg.bouncycastle.math.ec.ECFieldElement.AbstractFp
          extended byorg.bouncycastle.math.ec.custom.sec.SecP160R2FieldElement
All Implemented Interfaces:
ECConstants

public class SecP160R2FieldElement
extends ECFieldElement.AbstractFp


Nested Class Summary
 
Nested classes inherited from class org.bouncycastle.math.ec.ECFieldElement
ECFieldElement.AbstractF2m, ECFieldElement.AbstractFp, ECFieldElement.F2m, ECFieldElement.Fp
 
Field Summary
static java.math.BigInteger Q
           
protected  int[] x
           
 
Fields inherited from interface org.bouncycastle.math.ec.ECConstants
EIGHT, FOUR, ONE, THREE, TWO, ZERO
 
Constructor Summary
  SecP160R2FieldElement()
           
  SecP160R2FieldElement(java.math.BigInteger x)
           
protected SecP160R2FieldElement(int[] x)
           
 
Method Summary
 ECFieldElement add(ECFieldElement b)
           
 ECFieldElement addOne()
           
 ECFieldElement divide(ECFieldElement b)
           
 boolean equals(java.lang.Object other)
           
 java.lang.String getFieldName()
           
 int getFieldSize()
           
 int hashCode()
           
 ECFieldElement invert()
           
 boolean isOne()
           
 boolean isZero()
           
 ECFieldElement multiply(ECFieldElement b)
           
 ECFieldElement negate()
           
 ECFieldElement sqrt()
          return a sqrt root - the routine verifies that the calculation returns the right value - if none exists it returns null.
 ECFieldElement square()
           
 ECFieldElement subtract(ECFieldElement b)
           
 boolean testBitZero()
           
 java.math.BigInteger toBigInteger()
           
 
Methods inherited from class org.bouncycastle.math.ec.ECFieldElement
bitLength, encodeTo, getEncoded, getEncodedLength, multiplyMinusProduct, multiplyPlusProduct, squareMinusProduct, squarePlusProduct, squarePow, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Field Detail

Q

public static final java.math.BigInteger Q

x

protected int[] x
Constructor Detail

SecP160R2FieldElement

public SecP160R2FieldElement(java.math.BigInteger x)

SecP160R2FieldElement

public SecP160R2FieldElement()

SecP160R2FieldElement

protected SecP160R2FieldElement(int[] x)
Method Detail

isZero

public boolean isZero()
Overrides:
isZero in class ECFieldElement

isOne

public boolean isOne()
Overrides:
isOne in class ECFieldElement

testBitZero

public boolean testBitZero()
Overrides:
testBitZero in class ECFieldElement

toBigInteger

public java.math.BigInteger toBigInteger()
Specified by:
toBigInteger in class ECFieldElement

getFieldName

public java.lang.String getFieldName()
Specified by:
getFieldName in class ECFieldElement

getFieldSize

public int getFieldSize()
Specified by:
getFieldSize in class ECFieldElement

add

public ECFieldElement add(ECFieldElement b)
Specified by:
add in class ECFieldElement

addOne

public ECFieldElement addOne()
Specified by:
addOne in class ECFieldElement

subtract

public ECFieldElement subtract(ECFieldElement b)
Specified by:
subtract in class ECFieldElement

multiply

public ECFieldElement multiply(ECFieldElement b)
Specified by:
multiply in class ECFieldElement

divide

public ECFieldElement divide(ECFieldElement b)
Specified by:
divide in class ECFieldElement

negate

public ECFieldElement negate()
Specified by:
negate in class ECFieldElement

square

public ECFieldElement square()
Specified by:
square in class ECFieldElement

invert

public ECFieldElement invert()
Specified by:
invert in class ECFieldElement

sqrt

public ECFieldElement sqrt()
return a sqrt root - the routine verifies that the calculation returns the right value - if none exists it returns null.

Specified by:
sqrt in class ECFieldElement

equals

public boolean equals(java.lang.Object other)

hashCode

public int hashCode()

Bouncy Castle Cryptography Library 1.81