oracle.security.crypto.core

Class Padding

java.lang.Object

oracle.security.crypto.core.Padding

public abstract class Padding
extends java.lang.Object

Padding contains the ID constants that indicate padding schemes.

Since:

2.2

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Padding.ID Represents a padding mode value that can be used by block ciphers.

Field Summary

Fields

Modifier and Type	Field and Description
static Padding.ID	NONE Indicates that NO padding should be used for block ciphers.
static Padding.ID	PKCS5 Indicates that PKCS5 padding should be used for block ciphers.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Padding() Empty constructor.

Method Summary

Methods

Modifier and Type	Method and Description
abstract java.lang.String	algName() The name of the padding algorithm.
abstract byte[]	pad(byte[] bytes, int blockSize) Returns bytes padded to a multiple of blockSize.
abstract byte[]	unpad(byte[] bytes) Returns bytes unpadded.

Methods inherited from class java.lang.Object

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

Field Detail

NONE

public static final Padding.ID NONE

Indicates that NO padding should be used for block ciphers.

PKCS5

public static final Padding.ID PKCS5

Indicates that PKCS5 padding should be used for block ciphers.

Constructor Detail

Padding

protected Padding()

Empty constructor.

Method Detail

algName

public abstract java.lang.String algName()

The name of the padding algorithm.

pad

public abstract byte[] pad(byte[] bytes,
         int blockSize)
                    throws CipherException

Returns bytes padded to a multiple of blockSize.

Throws:

CipherException

unpad

public abstract byte[] unpad(byte[] bytes)
                      throws CipherException

Returns bytes unpadded.

Throws:

CipherException