java.lang.Object
- org.bouncycastle.math.ec.ECFieldElement

All Implemented Interfaces:

ECConstants

Direct Known Subclasses:

ECFieldElement.AbstractF2m, ECFieldElement.AbstractFp
```
public abstract class ECFieldElement
extends java.lang.Object
implements ECConstants
```

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`ECFieldElement.AbstractF2m`
`static class`	`ECFieldElement.AbstractFp`
`static class`	`ECFieldElement.F2m`	Class representing the Elements of the finite field `F_2^m` in polynomial basis (PB) representation.
`static class`	`ECFieldElement.Fp`

Field Summary
- Fields inherited from interface org.bouncycastle.math.ec.ECConstants
  EIGHT, FOUR, ONE, THREE, TWO, ZERO

Constructor Summary

Constructors
Constructor Description

ECFieldElement()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`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)`
`ECFieldElement`	`squarePow(int pow)`
`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)

squarePow

public ECFieldElement squarePow(int pow)

testBitZero
```
public boolean testBitZero()
```

toString
```
public java.lang.String toString()
```
Overrides:

toString in class java.lang.Object

getEncoded
```
public byte[] getEncoded()
```

Class ECFieldElement

Nested Class Summary

Field Summary

Fields inherited from interface org.bouncycastle.math.ec.ECConstants

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ECFieldElement

Method Detail

toBigInteger

getFieldName

getFieldSize

add

addOne

subtract

multiply

divide

negate

square

invert

sqrt

bitLength

isOne

isZero

multiplyMinusProduct

multiplyPlusProduct

squareMinusProduct

squarePlusProduct

squarePow

testBitZero

toString

getEncoded