com.adobe.internal.pdftoolkit.core.securityframework

Interface EncryptionHandlerState

public interface EncryptionHandlerState

Object of this type allows the caller to perform decryption/encryption sequentially for parts of the processed data stream. Object of this type is associated with the EncryptionHandler object and contain the current state of the decryption/encryption process for specific data.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DECRYPT
static int	ENCRYPT

Method Summary

Modifier and Type	Method and Description
byte[]	finish() Finishes the process of distributed decryption/encryption of specific data.
byte[]	init(byte[] buffer, int start, int len, byte[] keyAddition, int mode)
byte[]	update(byte[] buffer, int start, int len) Continues the process of distributed decryption/encryption of specific data.

Field Detail

DECRYPT

static final int DECRYPT

See Also:

Constant Field Values

ENCRYPT

static final int ENCRYPT

See Also:

Constant Field Values

Method Detail

init

byte[] init(byte[] buffer,
            int start,
            int len,
            byte[] keyAddition,
            int mode)
     throws PDFSecurityException

Throws:

PDFSecurityException

update

byte[] update(byte[] buffer,
              int start,
              int len)
       throws PDFSecurityException

Continues the process of distributed decryption/encryption of specific data.

Parameters:

buffer - Contains the current portion of the processed data

Returns:

Decrypted or Encrypted portion of data

Throws:

PDFSecurityException

finish

byte[] finish()
       throws PDFSecurityException

Finishes the process of distributed decryption/encryption of specific data.

Returns:

The final Decrypted or Encrypted portion of data

Throws:

PDFSecurityException