org.jets3t.apps.utils

Class FileCryptoTool

java.lang.Object

org.jets3t.apps.utils.FileCryptoTool

public class FileCryptoTool
extends java.lang.Object

A rudimentary GUI and utility for encrypting and decrypting files in a way that is compatible with JetS3t's cryptographic features.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.String	algorithm
private java.security.spec.AlgorithmParameterSpec	algParamSpec
private int	iterationCount
private javax.crypto.SecretKey	key
private byte[]	salt

Constructor Summary

Constructors

Constructor and Description
FileCryptoTool()

Method Summary

Modifier and Type	Method and Description
void	decryptFile(java.io.File inputFile, java.io.File outputFile)
void	encryptFile(java.io.File inputFile, java.io.File outputFile)
private java.io.File	fileChooser(java.lang.String title, javax.swing.JFrame frame, boolean dirOnly)
void	init(java.lang.String password, java.lang.String algorithm)
void	init(java.lang.String password, java.lang.String algorithm, byte[] salt, int interationCount)
protected void	initGui(javax.swing.JFrame frame)
private static java.lang.String[]	listAvailablePbeCiphers()
static void	main(java.lang.String[] args)
protected void	transferFileData(java.io.File inputFile, java.io.File outputFile, javax.crypto.Cipher cipher)

Methods inherited from class java.lang.Object

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

Field Detail

algorithm

private java.lang.String algorithm

key

private javax.crypto.SecretKey key

algParamSpec

private java.security.spec.AlgorithmParameterSpec algParamSpec

iterationCount

private int iterationCount

salt

private byte[] salt

Constructor Detail

FileCryptoTool

public FileCryptoTool()

Method Detail

init

public void init(java.lang.String password,
                 java.lang.String algorithm,
                 byte[] salt,
                 int interationCount)
          throws java.security.NoSuchAlgorithmException,
                 java.security.spec.InvalidKeySpecException

Throws:

java.security.NoSuchAlgorithmException

java.security.spec.InvalidKeySpecException

init

public void init(java.lang.String password,
                 java.lang.String algorithm)
          throws java.security.NoSuchAlgorithmException,
                 java.security.spec.InvalidKeySpecException

Throws:

java.security.NoSuchAlgorithmException

java.security.spec.InvalidKeySpecException

decryptFile

public void decryptFile(java.io.File inputFile,
                        java.io.File outputFile)
                 throws java.security.NoSuchAlgorithmException,
                        javax.crypto.NoSuchPaddingException,
                        java.security.InvalidKeyException,
                        java.security.InvalidAlgorithmParameterException,
                        java.io.IOException

Throws:

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

java.io.IOException

encryptFile

public void encryptFile(java.io.File inputFile,
                        java.io.File outputFile)
                 throws java.security.NoSuchAlgorithmException,
                        javax.crypto.NoSuchPaddingException,
                        java.security.InvalidKeyException,
                        java.security.InvalidAlgorithmParameterException,
                        java.io.IOException

Throws:

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

java.io.IOException

transferFileData

protected void transferFileData(java.io.File inputFile,
                                java.io.File outputFile,
                                javax.crypto.Cipher cipher)
                         throws java.io.IOException

Throws:

java.io.IOException

initGui

protected void initGui(javax.swing.JFrame frame)

fileChooser

private java.io.File fileChooser(java.lang.String title,
                                 javax.swing.JFrame frame,
                                 boolean dirOnly)

listAvailablePbeCiphers

private static java.lang.String[] listAvailablePbeCiphers()

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception