org.apache.poi.poifs.crypt

Class Encryptor

java.lang.Object

org.apache.poi.poifs.crypt.Encryptor

Direct Known Subclasses:

AgileEncryptor, BinaryRC4Encryptor, CryptoAPIEncryptor, StandardEncryptor

public abstract class Encryptor
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
Encryptor()

Method Summary

Modifier and Type	Method and Description
abstract void	confirmPassword(java.lang.String password)
abstract void	confirmPassword(java.lang.String password, byte[] keySpec, byte[] keySalt, byte[] verifier, byte[] verifierSalt, byte[] integritySalt)
abstract java.io.OutputStream	getDataStream(DirectoryNode dir) Return a output stream for encrypted data.
java.io.OutputStream	getDataStream(NPOIFSFileSystem fs)
java.io.OutputStream	getDataStream(POIFSFileSystem fs)
static Encryptor	getInstance(EncryptionInfo info)
javax.crypto.SecretKey	getSecretKey()

Methods inherited from class java.lang.Object

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

Constructor Detail

Encryptor

public Encryptor()

Method Detail

getDataStream

public abstract java.io.OutputStream getDataStream(DirectoryNode dir)
                                            throws java.io.IOException,
                                                   java.security.GeneralSecurityException

Return a output stream for encrypted data.

Parameters:

dir - the node to write to

Returns:

encrypted stream

Throws:

java.io.IOException

java.security.GeneralSecurityException

confirmPassword

public abstract void confirmPassword(java.lang.String password,
                                     byte[] keySpec,
                                     byte[] keySalt,
                                     byte[] verifier,
                                     byte[] verifierSalt,
                                     byte[] integritySalt)

confirmPassword

public abstract void confirmPassword(java.lang.String password)

getInstance

public static Encryptor getInstance(EncryptionInfo info)

getDataStream

public java.io.OutputStream getDataStream(NPOIFSFileSystem fs)
                                   throws java.io.IOException,
                                          java.security.GeneralSecurityException

Throws:

java.io.IOException

java.security.GeneralSecurityException

getDataStream

public java.io.OutputStream getDataStream(POIFSFileSystem fs)
                                   throws java.io.IOException,
                                          java.security.GeneralSecurityException

Throws:

java.io.IOException

java.security.GeneralSecurityException

getSecretKey

public javax.crypto.SecretKey getSecretKey()