org.bouncycastle.crypto.asymmetric

Class AsymmetricECPrivateKey

java.lang.Object

org.bouncycastle.crypto.asymmetric.AsymmetricECKey

org.bouncycastle.crypto.asymmetric.AsymmetricECPrivateKey

All Implemented Interfaces:

javax.security.auth.Destroyable, AsymmetricKey, AsymmetricPrivateKey, Key

public final class AsymmetricECPrivateKey
extends AsymmetricECKey
implements javax.security.auth.Destroyable, AsymmetricPrivateKey

Class for Elliptic Curve (EC) private keys.

Field Summary

Fields inherited from class org.bouncycastle.crypto.asymmetric.AsymmetricECKey

algorithm, domainParameters

Constructor Summary

Constructors

Constructor and Description
AsymmetricECPrivateKey(Algorithm ecAlg, byte[] encoding)
AsymmetricECPrivateKey(Algorithm ecAlg, ECDomainParameters domainParameters, java.math.BigInteger s)
AsymmetricECPrivateKey(Algorithm ecAlg, ECDomainParameters domainParameters, java.math.BigInteger s, ECPoint w)
AsymmetricECPrivateKey(Algorithm ecAlg, ECDomainParametersID domainParametersID, java.math.BigInteger s)
AsymmetricECPrivateKey(Algorithm ecAlg, ECDomainParametersID domainParametersID, java.math.BigInteger s, ECPoint w)
AsymmetricECPrivateKey(Algorithm ecAlg, PrivateKeyInfo privateKeyInfo)

Method Summary

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

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

checkApprovedOnlyModeStatus, zeroize

Methods inherited from class java.lang.Object

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

Constructor Detail

AsymmetricECPrivateKey

public AsymmetricECPrivateKey(Algorithm ecAlg,
                              ECDomainParametersID domainParametersID,
                              java.math.BigInteger s)

AsymmetricECPrivateKey

public AsymmetricECPrivateKey(Algorithm ecAlg,
                              ECDomainParameters domainParameters,
                              java.math.BigInteger s)

AsymmetricECPrivateKey

public AsymmetricECPrivateKey(Algorithm ecAlg,
                              ECDomainParameters domainParameters,
                              java.math.BigInteger s,
                              ECPoint w)

AsymmetricECPrivateKey

public AsymmetricECPrivateKey(Algorithm ecAlg,
                              ECDomainParametersID domainParametersID,
                              java.math.BigInteger s,
                              ECPoint w)

AsymmetricECPrivateKey

public AsymmetricECPrivateKey(Algorithm ecAlg,
                              byte[] encoding)

AsymmetricECPrivateKey

public AsymmetricECPrivateKey(Algorithm ecAlg,
                              PrivateKeyInfo privateKeyInfo)

Method Detail

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.

getAlgorithm

public final Algorithm getAlgorithm()

Return the algorithm this Elliptic Curve key is for.

Specified by:

getAlgorithm in interface Key

Overrides:

getAlgorithm in class AsymmetricECKey

Returns:

the key's algorithm.

getDomainParameters

public final ECDomainParameters getDomainParameters()

Return the Elliptic Curve domain parameters associated with this key.

Overrides:

getDomainParameters in class AsymmetricECKey

Returns:

the EC domain parameters for the key.

getS

public java.math.BigInteger getS()

destroy

public void destroy()

Specified by:

destroy in interface javax.security.auth.Destroyable

isDestroyed

public boolean isDestroyed()

Specified by:

isDestroyed in interface javax.security.auth.Destroyable

equals

public boolean equals(java.lang.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 java.lang.Object

Parameters:

o - object to compare to.

Returns:

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

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 java.lang.Object

Returns:

the key's hashCode.