Field (Javadocs [I2P+ 2.13.0+] - API Version 0.9.70+)

java.lang.Object
- net.i2p.crypto.eddsa.math.Field

All Implemented Interfaces:
Serializable
```
public class Field
extends Object
implements Serializable
```
An EdDSA finite field. Includes several pre-computed values.
See Also:
Serialized Form

Field Summary
Fields
Modifier and Type Field and Description
FieldElement EIGHT
EIGHT.
FieldElement FIVE
FIVE.
FieldElement FOUR
FOUR.
FieldElement ONE
ONE.
FieldElement TWO
TWO.
FieldElement ZERO
ZERO.

Fields
Modifier and Type	Field and Description
`FieldElement`	`EIGHT` EIGHT.
`FieldElement`	`FIVE` FIVE.
`FieldElement`	`FOUR` FOUR.
`FieldElement`	`ONE` ONE.
`FieldElement`	`TWO` TWO.
`FieldElement`	`ZERO` ZERO.

Constructor Summary
Constructors
Constructor and Description
Field(int b, byte[] q, Encoding enc)
Create a finite field.

Constructors
Constructor and Description
`Field(int b, byte[] q, Encoding enc)` Create a finite field.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object obj)` Compare for equality.
`FieldElement`	`fromByteArray(byte[] x)` Create a field element from a byte array.
`int`	`getb()` Return the bit length.
`Encoding`	`getEncoding()` Return the encoding.
`FieldElement`	`getQ()` Return the field prime.
`FieldElement`	`getQm2()` Return q - 2.
`FieldElement`	`getQm5d8()` Return (q - 5) / 8.
`int`	`hashCode()` Return the hash code.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - EIGHT
```
public final FieldElement EIGHT
```
    EIGHT.
  - FIVE
```
public final FieldElement FIVE
```
    FIVE.
  - FOUR
```
public final FieldElement FOUR
```
    FOUR.
  - ONE
```
public final FieldElement ONE
```
    ONE.
  - TWO
```
public final FieldElement TWO
```
    TWO.
  - ZERO
```
public final FieldElement ZERO
```
    ZERO.
- Constructor Detail
  - Field
```
public Field(int b,
             byte[] q,
             Encoding enc)
```
    Create a finite field.
    Parameters:
    b - the bit length
    q - the field prime
    enc - the encoding
- Method Detail
  - equals
```
public boolean equals(Object obj)
```
    Compare for equality.
    Overrides:
    equals in class Object
    Parameters:
    obj - the object
    Returns:
    true if equal
  - fromByteArray
```
public final FieldElement fromByteArray(byte[] x)
```
    Create a field element from a byte array.
    Parameters:
    x - the byte array
    Returns:
    the field element
  - getb
```
public int getb()
```
    Return the bit length.
    Returns:
    the bit length
  - getEncoding
```
public Encoding getEncoding()
```
    Return the encoding.
    Returns:
    the encoding
  - getQ
```
public FieldElement getQ()
```
    Return the field prime.
    Returns:
    the field prime
  - getQm2
```
public FieldElement getQm2()
```
    Return q - 2.
    Returns:
    q - 2
  - getQm5d8
```
public FieldElement getQm5d8()
```
    Return (q - 5) / 8.
    Returns:
    (q - 5) / 8
  - hashCode
```
public int hashCode()
```
    Return the hash code.
    Overrides:
    hashCode in class Object
    Returns:
    the hash code

Class Field

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

EIGHT

FIVE

FOUR

ONE

TWO

ZERO

Constructor Detail

Field

Method Detail

equals

fromByteArray

getb

getEncoding

getQ

getQm2

getQm5d8

hashCode