Skip navigation links

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

static class

Padding.ID Represents a padding mode value that can be used by block ciphers.

Field Summary

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

protected

Padding() Empty constructor.

Method Summary

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

Skip navigation links