de.intarsys.pdf.crypt
Class SystemSecurityHandlerV1

java.lang.Object
  de.intarsys.pdf.crypt.SystemSecurityHandler
      de.intarsys.pdf.crypt.SystemSecurityHandlerV1

All Implemented Interfaces:

ISystemSecurityHandler

public class SystemSecurityHandlerV1
extends SystemSecurityHandler

The ISystemSecurityHandler implementing /V 1 of the PDF spec.

Method Summary

void	authenticate(IPasswordProvider passwordProvider) Perform an authentication of the current "user" on behalf of the information in the encryption dictionary.
byte[]	decryptFile(COSObjectKey key, COSDictionary dict, byte[] bytes)
byte[]	decryptStream(COSObjectKey key, COSDictionary dict, byte[] bytes)
byte[]	decryptString(COSObjectKey key, byte[] bytes)
byte[]	encryptFile(COSObjectKey key, COSDictionary dict, byte[] bytes)
byte[]	encryptStream(COSObjectKey key, COSDictionary dict, byte[] bytes)
byte[]	encryptString(COSObjectKey key, byte[] bytes)

Methods inherited from class de.intarsys.pdf.crypt.SystemSecurityHandler

create, getEncryption, getSecurityHandler, init

Methods inherited from class java.lang.Object

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

Method Detail

decryptFile

public byte[] decryptFile(COSObjectKey key,
                          COSDictionary dict,
                          byte[] bytes)
                   throws COSSecurityException

Throws:

COSSecurityException

decryptStream

public byte[] decryptStream(COSObjectKey key,
                            COSDictionary dict,
                            byte[] bytes)
                     throws COSSecurityException

Throws:

COSSecurityException

decryptString

public byte[] decryptString(COSObjectKey key,
                            byte[] bytes)
                     throws COSSecurityException

Throws:

COSSecurityException

encryptFile

public byte[] encryptFile(COSObjectKey key,
                          COSDictionary dict,
                          byte[] bytes)
                   throws COSSecurityException

Throws:

COSSecurityException

encryptStream

public byte[] encryptStream(COSObjectKey key,
                            COSDictionary dict,
                            byte[] bytes)
                     throws COSSecurityException

Throws:

COSSecurityException

encryptString

public byte[] encryptString(COSObjectKey key,
                            byte[] bytes)
                     throws COSSecurityException

Throws:

COSSecurityException

authenticate

public void authenticate(IPasswordProvider passwordProvider)
                  throws COSSecurityException

Description copied from interface: ISystemSecurityHandler

Perform an authentication of the current "user" on behalf of the information in the encryption dictionary.

In most situations this will consist of checking user/owner password and setting the resulting access permissions.

Specified by:

authenticate in interface ISystemSecurityHandler

Overrides:

authenticate in class SystemSecurityHandler

Throws:

COSSecurityException