org.apache.poi.hssf.record.crypto

Class Biff8EncryptionKey

java.lang.Object

org.apache.poi.hssf.record.crypto.Biff8EncryptionKey

Direct Known Subclasses:

Biff8RC4Key, Biff8XORKey

public abstract class Biff8EncryptionKey
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
Biff8EncryptionKey()

Method Summary

Modifier and Type	Method and Description
static Biff8EncryptionKey	create(byte[] salt) Create using the default password and a specified docId
static Biff8EncryptionKey	create(java.lang.String password, byte[] salt)
static java.lang.String	getCurrentUserPassword()
static void	setCurrentUserPassword(java.lang.String password) Sets the BIFF8 encryption/decryption password for the current thread.
boolean	validate(byte[] saltData, byte[] saltHash)

Methods inherited from class java.lang.Object

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

Constructor Detail

Biff8EncryptionKey

public Biff8EncryptionKey()

Method Detail

create

public static Biff8EncryptionKey create(byte[] salt)

Create using the default password and a specified docId

Parameters:

salt - 16 bytes

create

public static Biff8EncryptionKey create(java.lang.String password,
                                        byte[] salt)

validate

public boolean validate(byte[] saltData,
                        byte[] saltHash)

Returns:

true if the keyDigest is compatible with the specified saltData and saltHash

setCurrentUserPassword

public static void setCurrentUserPassword(java.lang.String password)

Sets the BIFF8 encryption/decryption password for the current thread.

Parameters:

password - pass null to clear user password (and use default)

getCurrentUserPassword

public static java.lang.String getCurrentUserPassword()

Returns:

the BIFF8 encryption/decryption password for the current thread. null if it is currently unset.