org.gudy.bouncycastle.asn1.x9
Class X9ECParameters

java.lang.Object
  extended by org.gudy.bouncycastle.asn1.x9.X9ECParameters
All Implemented Interfaces:
DEREncodable, X9ObjectIdentifiers

public class X9ECParameters
extends Object
implements DEREncodable, X9ObjectIdentifiers

ASN.1 def for Elliptic-Curve ECParameters 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
X9ECParameters(ASN1Sequence seq)
           
X9ECParameters(ECCurve curve, ECPoint g, BigInteger n)
           
X9ECParameters(ECCurve curve, ECPoint g, BigInteger n, BigInteger h)
           
X9ECParameters(ECCurve curve, ECPoint g, BigInteger n, BigInteger h, byte[] seed)
           
 
Method Summary
 ECCurve getCurve()
           
 DERObject getDERObject()
          Produce an object suitable for an ASN1OutputStream.
 ECPoint getG()
           
 BigInteger getH()
           
 BigInteger getN()
           
 byte[] getSeed()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

X9ECParameters

public X9ECParameters(ASN1Sequence seq)

X9ECParameters

public X9ECParameters(ECCurve curve,
                      ECPoint g,
                      BigInteger n)

X9ECParameters

public X9ECParameters(ECCurve curve,
                      ECPoint g,
                      BigInteger n,
                      BigInteger h)

X9ECParameters

public X9ECParameters(ECCurve curve,
                      ECPoint g,
                      BigInteger n,
                      BigInteger h,
                      byte[] seed)
Method Detail

getCurve

public ECCurve getCurve()

getG

public ECPoint getG()

getN

public BigInteger getN()

getH

public BigInteger getH()

getSeed

public byte[] getSeed()

getDERObject

public DERObject getDERObject()
Produce an object suitable for an ASN1OutputStream.
  ECParameters ::= SEQUENCE {
      version         INTEGER { ecpVer1(1) } (ecpVer1),
      fieldID         FieldID {{FieldTypes}},
      curve           X9Curve,
      base            X9ECPoint,
      order           INTEGER,
      cofactor        INTEGER OPTIONAL
  }
 

Specified by:
getDERObject in interface DEREncodable