de.flexiprovider.nf.iq.iqgq
Class IQGQPublicKey

java.lang.Object
  |
  +--de.flexiprovider.api.keys.PublicKey
        |
        +--de.flexiprovider.nf.iq.iqgq.IQGQPublicKey

All Implemented Interfaces:

java.security.Key, Key, java.security.PublicKey, java.io.Serializable

public class IQGQPublicKey

extends PublicKey

Class for public keys pertaining to the IQGQ algorithm

Author:

Ralf-P. Weinmann

See Also:

PublicKey, Serialized Form

Fields inherited from interface java.security.Key

serialVersionUID

Fields inherited from interface java.security.PublicKey

serialVersionUID

Constructor Summary

protected	IQGQPublicKey(IQGQParameterSpec params, QuadraticIdeal alpha, FlexiBigInt exponent)
protected	IQGQPublicKey(IQGQPublicKeySpec keySpec) Construct an IQGQPubKey from the given key specification.

Method Summary

boolean	equals(java.lang.Object obj)
java.lang.String	getAlgorithm() Returns the standard algorithm name for this key.
protected codec.asn1.ASN1Type	getAlgParams()
QuadraticIdeal	getAlpha() Extract alpha parameter of key
FlexiBigInt	getExponent() Extract exponent of key
protected byte[]	getKeyData()
protected codec.asn1.ASN1ObjectIdentifier	getOID()
IQGQParameterSpec	getParams() Extract parameter set from key.
int	hashCode()
java.lang.String	toString()

Methods inherited from class de.flexiprovider.api.keys.PublicKey

getEncoded, getFormat

Methods inherited from class java.lang.Object

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

Constructor Detail

IQGQPublicKey

protected IQGQPublicKey(IQGQParameterSpec params,
                        QuadraticIdeal alpha,
                        FlexiBigInt exponent)

IQGQPublicKey

protected IQGQPublicKey(IQGQPublicKeySpec keySpec)

Construct an IQGQPubKey from the given key specification.

Parameters:

keySpec - the key specification

Method Detail

getAlgorithm

public java.lang.String getAlgorithm()

Returns the standard algorithm name for this key.

Returns:

the name of the algorithm associated with this key.

getExponent

public FlexiBigInt getExponent()

Extract exponent of key

Returns:

exponent

getAlpha

public QuadraticIdeal getAlpha()

Extract alpha parameter of key

Returns:

alpha

getParams

public IQGQParameterSpec getParams()

Extract parameter set from key.

Returns:

object of type IQGQParameterSpec specifying the domain parameters corresponding to key

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

a human-readable form of the key

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

getAlgParams

protected codec.asn1.ASN1Type getAlgParams()

Overrides:

getAlgParams in class PublicKey

Following copied from class: de.flexiprovider.api.keys.PublicKey

Returns:

the algorithm parameters to encode in the SubjectPublicKeyInfo structure

getKeyData

protected byte[] getKeyData()

Overrides:

getKeyData in class PublicKey

Following copied from class: de.flexiprovider.api.keys.PublicKey

Returns:

the keyData to encode in the SubjectPublicKeyInfo structure

getOID

protected codec.asn1.ASN1ObjectIdentifier getOID()

Overrides:

getOID in class PublicKey

Following copied from class: de.flexiprovider.api.keys.PublicKey

Returns:

the OID to encode in the SubjectPublicKeyInfo structure