org.bouncycastle.pqc.jcajce.provider.mceliece
Class BCMcElieceCCA2PublicKey

java.lang.Object
  org.bouncycastle.pqc.jcajce.provider.mceliece.BCMcElieceCCA2PublicKey

All Implemented Interfaces:

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

public class BCMcElieceCCA2PublicKey
extends java.lang.Object
implements CipherParameters, java.security.PublicKey

This class implements a McEliece CCA2 public key and is usually instantiated by the McElieceCCA2KeyPairGenerator or McElieceCCA2KeyFactorySpi.

See Also:

Serialized Form

Constructor Summary

BCMcElieceCCA2PublicKey(McElieceCCA2PublicKeyParameters params)

BCMcElieceCCA2PublicKey(McElieceCCA2PublicKeySpec keySpec)
Constructor (used by the McElieceCCA2KeyFactorySpi).

BCMcElieceCCA2PublicKey(java.lang.String oid, int n, int t, GF2Matrix g)
Constructor (used by the McElieceCCA2KeyPairGenerator).

Method Summary

boolean	equals(java.lang.Object other) Compare this key with another object.
java.lang.String	getAlgorithm() Return the name of the algorithm.
protected ASN1Primitive	getAlgParams()
byte[]	getEncoded() Return the keyData to encode in the SubjectPublicKeyInfo structure.
java.lang.String	getFormat()
GF2Matrix	getG()
int	getK()
McElieceCCA2Parameters	getMcElieceCCA2Parameters()
int	getN()
protected ASN1ObjectIdentifier	getOID()
java.lang.String	getOIDString()
int	getT()
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

BCMcElieceCCA2PublicKey

public BCMcElieceCCA2PublicKey(java.lang.String oid,
                               int n,
                               int t,
                               GF2Matrix g)

Constructor (used by the McElieceCCA2KeyPairGenerator).

Parameters:

n - the length of the code

t - the error correction capability of the code

g - the generator matrix

BCMcElieceCCA2PublicKey

public BCMcElieceCCA2PublicKey(McElieceCCA2PublicKeySpec keySpec)

Constructor (used by the McElieceCCA2KeyFactorySpi).

Parameters:

keySpec - a McElieceCCA2PublicKeySpec

BCMcElieceCCA2PublicKey

public BCMcElieceCCA2PublicKey(McElieceCCA2PublicKeyParameters params)

Method Detail

getAlgorithm

public java.lang.String getAlgorithm()

Return the name of the algorithm.

Specified by:

getAlgorithm in interface java.security.Key

Returns:

"McEliece"

getN

public int getN()

Returns:

the length of the code

getK

public int getK()

Returns:

the dimension of the code

getT

public int getT()

Returns:

the error correction capability of the code

getG

public GF2Matrix getG()

Returns:

the generator matrix

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)

Compare this key with another object.

Overrides:

equals in class java.lang.Object

Parameters:

other - the other object

Returns:

the result of the comparison

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

Returns:

the hash code of this key

getOIDString

public java.lang.String getOIDString()

Returns:

the OID of the algorithm

getOID

protected ASN1ObjectIdentifier getOID()

Returns:

the OID to encode in the SubjectPublicKeyInfo structure

getAlgParams

protected ASN1Primitive getAlgParams()

Returns:

the algorithm parameters to encode in the SubjectPublicKeyInfo structure

getEncoded

public byte[] getEncoded()

Return the keyData to encode in the SubjectPublicKeyInfo structure.

The ASN.1 definition of the key structure is

       McEliecePublicKey ::= SEQUENCE {
         n           Integer      -- length of the code
         t           Integer      -- error correcting capability
         matrixG     OctetString  -- generator matrix as octet string
       }
 

Specified by:

getEncoded in interface java.security.Key

Returns:

the keyData to encode in the SubjectPublicKeyInfo structure

getFormat

public java.lang.String getFormat()

Specified by:

getFormat in interface java.security.Key

getMcElieceCCA2Parameters

public McElieceCCA2Parameters getMcElieceCCA2Parameters()