org.apache.poi.poifs.crypt
Class Decryptor
java.lang.Object
org.apache.poi.poifs.crypt.Decryptor
- Direct Known Subclasses:
- AgileDecryptor, EcmaDecryptor
public abstract class Decryptor
- extends java.lang.Object
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
DEFAULT_PASSWORD
public static final java.lang.String DEFAULT_PASSWORD
- See Also:
- Constant Field Values
Decryptor
public Decryptor()
getDataStream
public abstract java.io.InputStream getDataStream(DirectoryNode dir)
throws java.io.IOException,
java.security.GeneralSecurityException
- Throws:
java.io.IOException
java.security.GeneralSecurityException
verifyPassword
public abstract boolean verifyPassword(java.lang.String password)
throws java.security.GeneralSecurityException
- Throws:
java.security.GeneralSecurityException
getInstance
public static Decryptor getInstance(EncryptionInfo info)
getDataStream
public java.io.InputStream getDataStream(NPOIFSFileSystem fs)
throws java.io.IOException,
java.security.GeneralSecurityException
- Throws:
java.io.IOException
java.security.GeneralSecurityException
getDataStream
public java.io.InputStream getDataStream(POIFSFileSystem fs)
throws java.io.IOException,
java.security.GeneralSecurityException
- Throws:
java.io.IOException
java.security.GeneralSecurityException
getBlockSize
protected static int getBlockSize(int algorithm)
hashPassword
protected byte[] hashPassword(EncryptionInfo info,
java.lang.String password)
throws java.security.NoSuchAlgorithmException
- Throws:
java.security.NoSuchAlgorithmException
Copyright 2011 The Apache Software Foundation or
its licensors, as applicable.