Package org.bouncycastle.crypto.asymmetric

Class AsymmetricDSAPrivateKey

java.lang.Object

org.bouncycastle.crypto.asymmetric.AsymmetricDSAKey

org.bouncycastle.crypto.asymmetric.AsymmetricDSAPrivateKey

All Implemented Interfaces:

Destroyable, AsymmetricKey, AsymmetricPrivateKey, Key

public final class AsymmetricDSAPrivateKey
extends AsymmetricDSAKey
implements AsymmetricPrivateKey

Class for Digital Signature Algorithm (DSA) private keys.

Constructor Summary

Constructors

Constructor	Description
AsymmetricDSAPrivateKey(Algorithm algorithm, byte[] enc)
AsymmetricDSAPrivateKey(Algorithm algorithm, PrivateKeyInfo privateKeyInfo)
AsymmetricDSAPrivateKey(Algorithm algorithm, DSADomainParameters params, BigInteger x)

Method Summary

Modifier and Type	Method	Description
void	destroy()
boolean	equals(Object o)	Return true if o is an equivalent key to this.
final Algorithm	getAlgorithm()	Return the algorithm this DSA key is for.
final DSADomainParameters	getDomainParameters()	Return the DSA domain parameters associated with this key.
final byte[]	getEncoded()	Return an ASN.1 encoding of the key wrapped in a PrivateKeyInfo or a SubjectPublicKeyInfo structure.
final BigInteger	getX()
int	hashCode()	Return the hashCode for the key.
boolean	isDestroyed()

Methods inherited from class org.bouncycastle.crypto.asymmetric.AsymmetricDSAKey

checkApprovedOnlyModeStatus, isThreadCorrectMode, zeroize

Methods inherited from class java.lang.Object

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

Constructor Details

AsymmetricDSAPrivateKey

public AsymmetricDSAPrivateKey(Algorithm algorithm,
 DSADomainParameters params,
 BigInteger x)

AsymmetricDSAPrivateKey

public AsymmetricDSAPrivateKey(Algorithm algorithm,
 byte[] enc)

AsymmetricDSAPrivateKey

public AsymmetricDSAPrivateKey(Algorithm algorithm,
 PrivateKeyInfo privateKeyInfo)

Method Details

getAlgorithm

public final Algorithm getAlgorithm()

Return the algorithm this DSA key is for.

Specified by:

getAlgorithm in interface Key

Overrides:

getAlgorithm in class AsymmetricDSAKey

Returns:

the key's algorithm.

getDomainParameters

public final DSADomainParameters getDomainParameters()

Return the DSA domain parameters associated with this key.

Overrides:

getDomainParameters in class AsymmetricDSAKey

Returns:

the DSA domain parameters for this key.

getEncoded

public final byte[] getEncoded()

Description copied from interface: AsymmetricKey

Return an ASN.1 encoding of the key wrapped in a PrivateKeyInfo or a SubjectPublicKeyInfo structure.

Specified by:

getEncoded in interface AsymmetricKey

Returns:

an encoding of a PrivateKeyInfo or a SubjectPublicKeyInfo structure.

getX

public final BigInteger getX()

destroy

public void destroy()

Specified by:

destroy in interface Destroyable

isDestroyed

public boolean isDestroyed()

Specified by:

isDestroyed in interface Destroyable

hashCode

public int hashCode()

Description copied from interface: Key

Return the hashCode for the key.

Specified by:

hashCode in interface Key

Overrides:

hashCode in class Object

Returns:

the key's hashCode.

equals

public boolean equals(Object o)

Description copied from interface: Key

Return true if o is an equivalent key to this.

Specified by:

equals in interface Key

Overrides:

equals in class Object

Parameters:

o - object to compare to.

Returns:

true if o is the same or equivalent key, false otherwise.