prajna.util

Class PropertyEncryptor

java.lang.Object

prajna.util.PropertyEncryptor

public class PropertyEncryptor
extends java.lang.Object

Encrypts a property map of strings to a file, or decrypts the property map from the file. This class uses a triple-DES (DES-ede) algorithm for encryption. The key provided for decryption must match the key used for encryption.

Author:

Edward Swing

Constructor Summary

Constructors

Constructor and Description
PropertyEncryptor() Create a new propertyEncryptor

Method Summary

Methods

Modifier and Type	Method and Description
java.util.Map<java.lang.String,java.lang.String>	decryptFromFile(java.io.File file) Decrypt the property map from the provided file.
void	encryptToFile(java.util.Map<java.lang.String,java.lang.String> propMap, java.io.File file) Decrypt the property map from the provided file.
void	setKey(java.lang.String key) Set the key.

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyEncryptor

public PropertyEncryptor()

Create a new propertyEncryptor

Method Detail

decryptFromFile

public java.util.Map<java.lang.String,java.lang.String> decryptFromFile(java.io.File file)
                                                                 throws java.io.IOException

Decrypt the property map from the provided file.

Parameters:

file - the file to read

Returns:

the property map

Throws:

java.io.IOException - if there is a problem reading the file or decrypting it.

encryptToFile

public void encryptToFile(java.util.Map<java.lang.String,java.lang.String> propMap,
                 java.io.File file)
                   throws java.io.IOException

Decrypt the property map from the provided file.

Parameters:

propMap - the property map

file - the file to read

Throws:

java.io.IOException - if there is a problem reading the file or decrypting it.

setKey

public void setKey(java.lang.String key)

Set the key. The key string is used to create the underlying secret key

Parameters:

key - key string for the secret key