org.spongycastle.asn1.eac

Class ECDSAPublicKey

java.lang.Object

org.spongycastle.asn1.ASN1Object

org.spongycastle.asn1.eac.PublicKeyDataObject

org.spongycastle.asn1.eac.ECDSAPublicKey

All Implemented Interfaces:

ASN1Encodable, Encodable

public class ECDSAPublicKey
extends PublicKeyDataObject

an Iso7816ECDSAPublicKeyStructure structure.

  Certificate Holder Authorization ::= SEQUENCE {
      ASN1TaggedObject primeModulusP;        // OPTIONAL
      ASN1TaggedObject firstCoefA;            // OPTIONAL
      ASN1TaggedObject secondCoefB;        // OPTIONAL
      ASN1TaggedObject basePointG;            // OPTIONAL
      ASN1TaggedObject orderOfBasePointR;    // OPTIONAL
      ASN1TaggedObject publicPointY;        //REQUIRED
      ASN1TaggedObject    cofactorF;            // OPTIONAL
  }
 

Constructor Summary

Constructors

Constructor and Description
ECDSAPublicKey(ASN1ObjectIdentifier usage, java.math.BigInteger p, java.math.BigInteger a, java.math.BigInteger b, byte[] basePoint, java.math.BigInteger order, byte[] publicPoint, int cofactor)
ECDSAPublicKey(ASN1ObjectIdentifier usage, byte[] ppY)

Method Summary

Modifier and Type	Method and Description
ASN1EncodableVector	getASN1EncodableVector(ASN1ObjectIdentifier oid, boolean publicPointOnly)
byte[]	getBasePointG()
java.math.BigInteger	getCofactorF()
java.math.BigInteger	getFirstCoefA()
java.math.BigInteger	getOrderOfBasePointR()
java.math.BigInteger	getPrimeModulusP()
byte[]	getPublicPointY()
java.math.BigInteger	getSecondCoefB()
ASN1ObjectIdentifier	getUsage()
boolean	hasParameters()
ASN1Primitive	toASN1Primitive() Method providing a primitive representation of this object suitable for encoding.

Methods inherited from class org.spongycastle.asn1.eac.PublicKeyDataObject

getInstance

Methods inherited from class org.spongycastle.asn1.ASN1Object

equals, getEncoded, getEncoded, hasEncodedTagValue, hashCode, toASN1Object

Methods inherited from class java.lang.Object

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

Constructor Detail

ECDSAPublicKey

public ECDSAPublicKey(ASN1ObjectIdentifier usage,
                      byte[] ppY)
               throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

ECDSAPublicKey

public ECDSAPublicKey(ASN1ObjectIdentifier usage,
                      java.math.BigInteger p,
                      java.math.BigInteger a,
                      java.math.BigInteger b,
                      byte[] basePoint,
                      java.math.BigInteger order,
                      byte[] publicPoint,
                      int cofactor)

Method Detail

getUsage

public ASN1ObjectIdentifier getUsage()

Specified by:

getUsage in class PublicKeyDataObject

getBasePointG

public byte[] getBasePointG()

getCofactorF

public java.math.BigInteger getCofactorF()

getFirstCoefA

public java.math.BigInteger getFirstCoefA()

getOrderOfBasePointR

public java.math.BigInteger getOrderOfBasePointR()

getPrimeModulusP

public java.math.BigInteger getPrimeModulusP()

getPublicPointY

public byte[] getPublicPointY()

getSecondCoefB

public java.math.BigInteger getSecondCoefB()

hasParameters

public boolean hasParameters()

getASN1EncodableVector

public ASN1EncodableVector getASN1EncodableVector(ASN1ObjectIdentifier oid,
                                                  boolean publicPointOnly)

toASN1Primitive

public ASN1Primitive toASN1Primitive()

Description copied from class: ASN1Object

Method providing a primitive representation of this object suitable for encoding.

Specified by:

toASN1Primitive in interface ASN1Encodable

Specified by:

toASN1Primitive in class ASN1Object

Returns:

a primitive representation of this object.