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oracle.security.crypto.core
Class ECPublicKey

java.lang.Object
oracle.security.crypto.core.ECKey
oracle.security.crypto.core.ECPublicKey

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, java.security.interfaces.ECKey, java.security.interfaces.ECPublicKey, java.security.Key, java.security.PublicKey, ASN1Object, Streamable

public class ECPublicKey

extends ECKey

implements PublicKey, java.security.interfaces.ECPublicKey

This class represents elliptic curve public key as described in ANSI X9.62.

See Also:

Serialized Form

Field Summary

Fields inherited from interface java.security.interfaces.ECPublicKey

serialVersionUID

Constructor Summary

ECPublicKey()

ECPublicKey(byte[] spki)

ECPublicKey(java.security.interfaces.ECPublicKey ecKey)

ECPublicKey(java.io.InputStream is)

Method Summary

java.lang.Object	clone() Performs a deep clone of the Key instance.
boolean	getAllowExport() Always returns true.
byte[]	getEncoded() Returns the encoded form of this key.
java.lang.String	getFormat() Returns the format of this key's encoded form.
java.security.spec.ECPoint	getW()
void	initialize(AlgorithmIdentifier algID, ASN1Object contents) Initializes this instance from the given algorithm paramters and key contents.
void	input(java.io.InputStream is) Inputs this object from the specified input stream.
int	length() Length of this object's encoding.
void	output(java.io.OutputStream os) Outputs this object to the specified output stream.

Methods inherited from class oracle.security.crypto.core.ECKey

erase, getAlgID, getAlgorithm, getBitLength, getContents, getKey, getParams, readExternal, writeExternal

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface oracle.security.crypto.core.PublicKey

getAlgID, getContents

Methods inherited from interface oracle.security.crypto.core.Key

erase, getAlgorithm, getBitLength

Methods inherited from interface java.io.Externalizable

readExternal, writeExternal

Methods inherited from interface java.security.interfaces.ECKey

getParams

Constructor Detail

ECPublicKey

public ECPublicKey()

ECPublicKey

public ECPublicKey(java.security.interfaces.ECPublicKey ecKey)

ECPublicKey

public ECPublicKey(byte[] spki)
            throws java.io.IOException

Throws:

java.io.IOException

ECPublicKey

public ECPublicKey(java.io.InputStream is)
            throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getEncoded

public byte[] getEncoded()

Description copied from interface: Key

Returns the encoded form of this key.

Specified by:

getEncoded in interface java.security.Key

getAllowExport

public boolean getAllowExport()

Always returns true.

Returns:

Whether or not this key's material may be exported in plaintext.

See Also:

FIPS_140_2.getAllowKeyExport(), Cipher.wrapKey(oracle.security.crypto.core.PrivateKey)

getFormat

public java.lang.String getFormat()

Description copied from interface: Key

Returns the format of this key's encoded form.

Specified by:

getFormat in interface java.security.Key

clone

public java.lang.Object clone()

Description copied from interface: Key

Performs a deep clone of the Key instance.

Specified by:

clone in class ECKey

Returns:

A deep clone of the Key instance.

initialize

public void initialize(AlgorithmIdentifier algID,
                       ASN1Object contents)
                throws AlgorithmIdentifierException,
                       InvalidInputException

Description copied from interface: PublicKey

Initializes this instance from the given algorithm paramters and key contents.

Throws:

AlgorithmIdentifierException

InvalidInputException

getW

public java.security.spec.ECPoint getW()

Specified by:

getW in interface java.security.interfaces.ECPublicKey

input

public void input(java.io.InputStream is)
           throws java.io.IOException

Description copied from interface: Streamable

Inputs this object from the specified input stream.

Specified by:

input in interface Streamable

Throws:

java.io.IOException

output

public void output(java.io.OutputStream os)
            throws java.io.IOException

Description copied from interface: Streamable

Outputs this object to the specified output stream.

Specified by:

output in interface Streamable

Throws:

java.io.IOException

length

public int length()

Description copied from interface: Streamable

Length of this object's encoding.

Specified by:

length in interface Streamable

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