org.apache.commons.vfs2.util

Class DefaultCryptor

java.lang.Object

org.apache.commons.vfs2.util.DefaultCryptor

All Implemented Interfaces:

Cryptor

public class DefaultCryptor
extends java.lang.Object
implements Cryptor

Allows passwords to be encrypted and decrypted.

Warning: This uses AES128 with a fixed encryption key. This is only an obfuscation no cryptographic secure protection.

Since:

2.0

Field Summary

Fields

Modifier and Type	Field and Description
private static int	BITS_IN_HALF_BYTE
private static char[]	HEX_CHARS
private static int	INDEX_NOT_FOUND
private static byte[]	KEY_BYTES
private static char	MASK

Constructor Summary

Constructors

Constructor and Description
DefaultCryptor()

Method Summary

Modifier and Type	Method and Description
private byte[]	decode(java.lang.String str) Decodes Hex-Bytes.
java.lang.String	decrypt(java.lang.String encryptedKey) Decrypts the password.
private java.lang.String	encode(byte[] bytes) Hex-encode bytes.
java.lang.String	encrypt(java.lang.String plainKey) Encrypt the plain text password.
private int	indexOf(char[] array, char valueToFind)

Methods inherited from class java.lang.Object

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

Field Detail

HEX_CHARS

private static final char[] HEX_CHARS

KEY_BYTES

private static final byte[] KEY_BYTES

INDEX_NOT_FOUND

private static final int INDEX_NOT_FOUND

See Also:

Constant Field Values

BITS_IN_HALF_BYTE

private static final int BITS_IN_HALF_BYTE

See Also:

Constant Field Values

MASK

private static final char MASK

See Also:

Constant Field Values

Constructor Detail

DefaultCryptor

public DefaultCryptor()

Method Detail

encrypt

public java.lang.String encrypt(java.lang.String plainKey)
                         throws java.lang.Exception

Encrypt the plain text password.

Warning: This uses AES128 with a fixed encryption key. This is only an obfuscation no cryptographic secure protection.

Specified by:

encrypt in interface Cryptor

Parameters:

plainKey - The password.

Returns:

The encrypted password String.

Throws:

java.lang.Exception - If an error occurs.

decrypt

public java.lang.String decrypt(java.lang.String encryptedKey)
                         throws java.lang.Exception

Decrypts the password.

Specified by:

decrypt in interface Cryptor

Parameters:

encryptedKey - the encrypted password.

Returns:

The plain text password.

Throws:

java.lang.Exception - If an error occurs.

encode

private java.lang.String encode(byte[] bytes)

Hex-encode bytes.

decode

private byte[] decode(java.lang.String str)

Decodes Hex-Bytes.

indexOf

private int indexOf(char[] array,
                    char valueToFind)