org.bouncycastle.asn1.x9
Class X9Curve

java.lang.Object
  org.bouncycastle.asn1.ASN1Encodable
      org.bouncycastle.asn1.x9.X9Curve

All Implemented Interfaces:

DEREncodable, X9ObjectIdentifiers

public class X9Curve

extends ASN1Encodable

implements X9ObjectIdentifiers

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

Field Summary

Fields inherited from class org.bouncycastle.asn1.ASN1Encodable

BER, DER

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

ansi_X9_62, c2onb191v4, c2onb191v5, c2onb239v4, c2onb239v5, c2pnb163v1, c2pnb163v2, c2pnb163v3, c2pnb176w1, c2pnb208w1, c2pnb272w1, c2pnb368w1, c2png304v1, c2tnb191v1, c2tnb191v2, c2tnb191v3, c2tnb239v1, c2tnb239v2, c2tnb239v3, c2tnb359v1, c2tnb431r1, characteristic_two_field, cTwoCurve, 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()
byte[]	getSeed()
DERObject	toASN1Object() Produce an object suitable for an ASN1OutputStream.

Methods inherited from class org.bouncycastle.asn1.ASN1Encodable

equals, getDEREncoded, getDERObject, getEncoded, getEncoded, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, 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()

toASN1Object

public DERObject toASN1Object()

Produce an object suitable for an ASN1OutputStream.

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

Specified by:

toASN1Object in class ASN1Encodable