org.gudy.bouncycastle.asn1.x9
Class X9Curve

java.lang.Object
  org.gudy.bouncycastle.asn1.x9.X9Curve

All Implemented Interfaces:

DEREncodable, X9ObjectIdentifiers

public class X9Curve
extends java.lang.Object
implements DEREncodable, X9ObjectIdentifiers

ASN.1 def for Elliptic-Curve Curve structure. See X9.62, for further details.

Field Summary

Fields inherited from interface org.gudy.bouncycastle.asn1.x9.X9ObjectIdentifiers

ansi_X9_62, characteristic_two_field, dhpublicnumber, ecdsa_with_SHA1, ellipticCurve, gnBasis, id_dsa, id_dsa_with_sha1, id_ecPublicKey, id_ecSigType, id_fieldType, id_publicKeyType, ppBasis, prime_field, prime192v1, prime192v2, prime192v3, prime239v1, prime239v2, prime239v3, prime256v1, primeCurve, tpBasis

Constructor Summary

X9Curve(ECCurve curve)

X9Curve(ECCurve curve, byte[] seed)

X9Curve(X9FieldID fieldID, ASN1Sequence seq)

Method Summary

ECCurve	getCurve()
DERObject	getDERObject() Produce an object suitable for an ASN1OutputStream.
byte[]	getSeed()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

X9Curve

public X9Curve(ECCurve curve)

X9Curve

public X9Curve(ECCurve curve,
               byte[] seed)

X9Curve

public X9Curve(X9FieldID fieldID,
               ASN1Sequence seq)

Method Detail

getCurve

public ECCurve getCurve()

getSeed

public byte[] getSeed()

getDERObject

public DERObject getDERObject()

Produce an object suitable for an ASN1OutputStream.

  Curve ::= SEQUENCE {
      a               FieldElement,
      b               FieldElement,
      seed            BIT STRING      OPTIONAL
  }
 

Specified by:

getDERObject in interface DEREncodable