de.flexiprovider.nf.iq.iqdsa
Class IQDSAPublicKey

java.lang.Object
  |
  +--de.flexiprovider.api.keys.PublicKey
        |
        +--de.flexiprovider.nf.iq.iqdsa.IQDSAPublicKey

All Implemented Interfaces:

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

public class IQDSAPublicKey

extends PublicKey

This class represents IQDSA public keys.

Author:

Ralf-P. Weinmann

See Also:

Serialized Form

Fields inherited from interface java.security.Key

serialVersionUID

Fields inherited from interface java.security.PublicKey

serialVersionUID

Constructor Summary

protected	IQDSAPublicKey(IQDSAParameterSpec params, QuadraticIdeal alpha) Construct an IQDSA public key from the given parameters and the base element of the NFDL-problem.
protected	IQDSAPublicKey(IQDSAPublicKeySpec keySpec) Construct an IQDSAPubKey from the given key specification.

Method Summary

boolean	equals(java.lang.Object other)
java.lang.String	getAlgorithm() Return the standard algorithm name for this key.
protected codec.asn1.ASN1Type	getAlgParams()
QuadraticIdeal	getAlpha()
protected byte[]	getKeyData()
protected codec.asn1.ASN1ObjectIdentifier	getOID()
IQDSAParameterSpec	getParams()
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

IQDSAPublicKey

protected IQDSAPublicKey(IQDSAParameterSpec params,
                         QuadraticIdeal alpha)

Construct an IQDSA public key from the given parameters and the base element of the NFDL-problem.

Parameters:

params - the parameters

alpha - the base element of the NFDL-problem

IQDSAPublicKey

protected IQDSAPublicKey(IQDSAPublicKeySpec keySpec)

Construct an IQDSAPubKey from the given key specification.

Parameters:

keySpec - the key specification

Method Detail

getAlgorithm

public java.lang.String getAlgorithm()

Return the standard algorithm name for this key.

Returns:

"IQDSA"

getParams

public IQDSAParameterSpec getParams()

Returns:

the parameters

getAlpha

public QuadraticIdeal getAlpha()

Returns:

the base element of the NFDL-problem

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 other)

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