Package org.example.chapter1_small_problems

Class UnbreakableEncryption

java.lang.Object

org.example.chapter1_small_problems.UnbreakableEncryption

public class UnbreakableEncryption
extends Object

Unbreakable encryption with one-time cipher.

Constructor Summary

Constructors

Constructor	Description
UnbreakableEncryption()

Method Summary

Modifier and Type	Method	Description
static String	decrypt(KeyPair keyPair)	Decryption KeyPair to original string.
static void	decryptImage(KeyPairImages keyPair, String path)	Decryption KeyPairImage to original image.
static KeyPair	encrypt(String original)	String encryption to KeyPair.
static KeyPairImages	encryptImage(String original)	Image encryption to KeyPairImage.

Methods inherited from class java.lang.Object

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

Constructor Details

UnbreakableEncryption

public UnbreakableEncryption()

Method Details

encrypt

public static KeyPair encrypt(String original)

String encryption to KeyPair.

Parameters:

original - string to be encrypted

Returns:

key pair with dummy and encrypted keys

decrypt

public static String decrypt(KeyPair keyPair)

Decryption KeyPair to original string.

Parameters:

keyPair - key pair with dummy and encrypted keys

Returns:

string decrypted from key pair

encryptImage

public static KeyPairImages encryptImage(String original)
                                  throws IOException

Image encryption to KeyPairImage.

Parameters:

original - path to the image

Returns:

key pair with BufferedImage and dummy key

Throws:

IOException - if file from 'path' doesn't exist

decryptImage

public static void decryptImage(KeyPairImages keyPair,
 String path)
                         throws IOException

Decryption KeyPairImage to original image.

Parameters:

keyPair - key pair with dummy and encrypted keys

path - path to the image

Throws:

IOException