Bouncy Castle Cryptography 1.11 API Specification: Class X9FieldElement
Bouncy Castle Cryptography 1.11

Class X9FieldElement

All Implemented Interfaces:

public class X9FieldElement
extends java.lang.Object
implements DEREncodable

class for processing an FieldElement as a DER object.

Constructor Summary
X9FieldElement(boolean fP, java.math.BigInteger q, DEROctetString s)
X9FieldElement(ECFieldElement f)
Method Summary
 DERObject getDERObject()
           FieldElement ::= OCTET STRING
 ECFieldElement getValue()
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail


public X9FieldElement(ECFieldElement f)


public X9FieldElement(boolean fP,
                      java.math.BigInteger q,
                      DEROctetString s)
Method Detail


public ECFieldElement getValue()


public DERObject getDERObject()
  FieldElement ::= OCTET STRING

  1. if q is an odd prime then the field element is processed as an Integer and converted to an octet string according to x 9.62 4.3.1.
  2. if q is 2m then the bit string contained in the field element is converted into an octet string with the same ordering padded at the front if necessary.
Specified by:
getDERObject in interface DEREncodable

Bouncy Castle Cryptography 1.11