oracle.security.crypto.core

Class PBMacAlgID

java.lang.Object

oracle.security.crypto.core.AlgorithmIdentifier

oracle.security.crypto.core.PBMacAlgID

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, ASN1Object, Streamable

public class PBMacAlgID
extends AlgorithmIdentifier

Algorithm identifier with parameters for PasswordBasedMAC.

Since:

2.2

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PBMacAlgID() Creates a new PBMacAlgID instance.
PBMacAlgID(ASN1Object params) Creates a new PBMacAlgID instance with the given parameters.
PBMacAlgID(byte[] salt, AlgorithmIdentifier owf, java.math.BigInteger count, AlgorithmIdentifier mac) Creates a new PBMacAlgID instance with the given parameters.
PBMacAlgID(java.io.InputStream is) Creates a new PBMacAlgID instance by reading its encoding from the given stream.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	clone() Creates a deep copy of this PBMacID object.
java.math.BigInteger	getCount() Returns the password-based key derivation iteration count.
AlgorithmIdentifier	getMacAlgID() Returns the keyd MAC function to be used for the password-based MAC.
AlgorithmIdentifier	getOwfAlgID() Returns the password-based key derivation one-way (hash) function.
byte[]	getSalt() Returns the password-based key derivation salt.
void	input(java.io.InputStream is) Reads in a PBMacID object from the given input stream.

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

equals, getOID, getParameters, hashCode, length, output, readExternal, toString, writeExternal

Methods inherited from class java.lang.Object

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

Constructor Detail

PBMacAlgID

public PBMacAlgID()

Creates a new PBMacAlgID instance.

PBMacAlgID

public PBMacAlgID(byte[] salt,
          AlgorithmIdentifier owf,
          java.math.BigInteger count,
          AlgorithmIdentifier mac)
           throws AlgorithmIdentifierException

Creates a new PBMacAlgID instance with the given parameters.

Parameters:

salt - The password-based encryption key derivation salt.

owf - The password-based key derivation one-way (hash) function.

count - The password-based key derivation iteration count.

mac - The keyed MAC algorithm to be used with the password-based key.

Throws:

AlgorithmIdentifierException - If an error occurs processing the parameters.

PBMacAlgID

public PBMacAlgID(ASN1Object params)
           throws AlgorithmIdentifierException

Creates a new PBMacAlgID instance with the given parameters.

Throws:

AlgorithmIdentifierException - If an error occurs processing the parameters.

PBMacAlgID

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

Creates a new PBMacAlgID instance by reading its encoding from the given stream.

Throws:

java.io.IOException - If an error occurs reading from the stream.

Method Detail

getSalt

public byte[] getSalt()

Returns the password-based key derivation salt.

Returns:

The salt bytes, or null if none are present.

getOwfAlgID

public AlgorithmIdentifier getOwfAlgID()

Returns the password-based key derivation one-way (hash) function.

Returns:

A message digest algorithm identifier, or null if none is present.

getCount

public java.math.BigInteger getCount()

Returns the password-based key derivation iteration count.

Returns:

The iteration count, or null if none is present.

getMacAlgID

public AlgorithmIdentifier getMacAlgID()

Returns the keyd MAC function to be used for the password-based MAC.

Returns:

A MAC algorithm identifier, or null if none is present.

clone

public java.lang.Object clone()

Creates a deep copy of this PBMacID object.

Overrides:

clone in class AlgorithmIdentifier

input

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

Reads in a PBMacID object from the given input stream.

Specified by:

input in interface Streamable

Overrides:

input in class AlgorithmIdentifier

Parameters:

is - The input stream.

Throws:

java.io.IOException - If an I/O error occurs.