Package 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

Field Summary

Fields

Modifier and Type	Field	Description
protected static java.lang.String	DEFAULT_POIFS_ENTRY

Constructor Summary

Constructors

Constructor	Description
Encryptor()

Method Summary

Modifier and Type	Method	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()
protected void	setSecretKey(javax.crypto.SecretKey secretKey)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_POIFS_ENTRY

protected static final java.lang.String DEFAULT_POIFS_ENTRY

See Also:

Constant Field Values

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()

setSecretKey

protected void setSecretKey(javax.crypto.SecretKey secretKey)