de.flexiprovider.core.dsa
Class DSAPublicKey

java.lang.Object
  |
  +--de.flexiprovider.api.keys.PublicKey
        |
        +--de.flexiprovider.core.dsa.interfaces.DSAPublicKey
              |
              +--de.flexiprovider.core.dsa.DSAPublicKey

All Implemented Interfaces:

DSAKey, java.security.interfaces.DSAKey, java.security.interfaces.DSAPublicKey, Key, java.security.Key, java.security.PublicKey, java.io.Serializable

public class DSAPublicKey

extends DSAPublicKey

implements DSAKey

This class implements the DSAPublicKey interface.

Author:

Thomas Wahrenbruch

See Also:

DSAKeyFactory, Serialized Form

Fields inherited from interface java.security.interfaces.DSAPublicKey

serialVersionUID

Constructor Summary

protected	DSAPublicKey(DSAPublicKeySpec keySpec) Construct a DSAPubKey out of the given key specification.
protected	DSAPublicKey(FlexiBigInt y, DSAParams params) The default constructor generates a DSA public key with the specified parameters.

Method Summary

boolean	equals(java.lang.Object obj)
java.lang.String	getAlgorithm() This function returns the name of the corresponding algorithm "DSA".
protected codec.asn1.ASN1Type	getAlgParams()
protected byte[]	getKeyData()
protected codec.asn1.ASN1ObjectIdentifier	getOID()
DSAParams	getParameters() This function returns the DSA parameters.
FlexiBigInt	getValueY() This function returns the public y.
int	hashCode()
java.lang.String	toString() Returns a human readable form of the key.

Methods inherited from class de.flexiprovider.core.dsa.interfaces.DSAPublicKey

getParams, getY

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

Methods inherited from interface java.security.interfaces.DSAKey

getParams

Methods inherited from interface java.security.Key

getEncoded, getFormat

Constructor Detail

DSAPublicKey

protected DSAPublicKey(FlexiBigInt y,
                       DSAParams params)

The default constructor generates a DSA public key with the specified parameters.

Parameters:

y - the public y.

params - the DSA parameters.

DSAPublicKey

protected DSAPublicKey(DSAPublicKeySpec keySpec)

Construct a DSAPubKey out of the given key specification.

Parameters:

keySpec - the key specification

Method Detail

getAlgorithm

public java.lang.String getAlgorithm()

This function returns the name of the corresponding algorithm "DSA".

Returns:

"DSA".

getParameters

public DSAParams getParameters()

This function returns the DSA parameters.

Specified by:

getParameters in interface DSAKey

Returns:

the DSA parameters.

getValueY

public FlexiBigInt getValueY()

This function returns the public y.

Overrides:

getValueY in class DSAPublicKey

Returns:

the public y.

toString

public java.lang.String toString()

Returns a human readable form of the key.

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

getOID

protected codec.asn1.ASN1ObjectIdentifier getOID()

Overrides:

getOID in class PublicKey

Returns:

the OID to encode in the SubjectPublicKeyInfo structure

getAlgParams

protected codec.asn1.ASN1Type getAlgParams()

Overrides:

getAlgParams in class PublicKey

Returns:

the algorithm parameters to encode in the SubjectPublicKeyInfo structure

getKeyData

protected byte[] getKeyData()

Overrides:

getKeyData in class PublicKey

Returns:

the keyData to encode in the SubjectPublicKeyInfo structure