de.intarsys.pdf.crypt

Class StandardCryptHandler

java.lang.Object

de.intarsys.pdf.crypt.AbstractCryptHandler

de.intarsys.pdf.crypt.StandardCryptHandler

All Implemented Interfaces:

ICryptHandler

Direct Known Subclasses:

AESCryptHandler, ArcFourCryptHandler

public abstract class StandardCryptHandler
extends AbstractCryptHandler

An abstract superclass for the default implementation of ICryptHandler. The concrete implementations provide the standard RC4 and AES algorithms.

Constructor Summary

Constructors

Constructor and Description
StandardCryptHandler()

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	decrypt(COSObjectKey objectKey, byte[] bytes) Decrypt any bytes in the context of COSObject referenced by the provided key.
byte[]	encrypt(COSObjectKey objectKey, byte[] bytes) Encrypt any bytes in the context of COSObject referenced by the provided key.
void	initialize(byte[] pCryptKey)

Methods inherited from class java.lang.Object

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

Constructor Detail

StandardCryptHandler

public StandardCryptHandler()

Method Detail

decrypt

public byte[] decrypt(COSObjectKey objectKey,
             byte[] bytes)
               throws COSSecurityException

Description copied from interface: ICryptHandler

Decrypt any bytes in the context of COSObject referenced by the provided key.

Parameters:

objectKey - of the object which provides the context

bytes - to decrypt

Returns:

the decrypted bytes

Throws:

COSSecurityException

initialize

public void initialize(byte[] pCryptKey)
                throws COSSecurityException

Throws:

COSSecurityException

encrypt

public byte[] encrypt(COSObjectKey objectKey,
             byte[] bytes)
               throws COSSecurityException

Description copied from interface: ICryptHandler

Encrypt any bytes in the context of COSObject referenced by the provided key.

Parameters:

objectKey - of the object which provides the context

bytes - to decrypt

Returns:

the encrypted bytes

Throws:

COSSecurityException