Package org.geysermc.mcprotocollib.network.crypt

Class AESEncryption

java.lang.Object

org.geysermc.mcprotocollib.network.crypt.AESEncryption

All Implemented Interfaces:

PacketEncryption

public class AESEncryption
extends Object
implements PacketEncryption

An encryption implementation using "AES/CFB8/NoPadding" encryption.

Constructor Summary

Constructors

Constructor	Description
AESEncryption(Key key)	Creates a new AESEncryption instance.

Method Summary

Modifier and Type	Method	Description
void	decrypt(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset)	Decrypts the given data.
void	encrypt(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset)	Encrypts the given data.

Methods inherited from class java.lang.Object

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

Constructor Details

AESEncryption

public AESEncryption(Key key)
              throws GeneralSecurityException

Creates a new AESEncryption instance.

Parameters:

key - Key to use when encrypting/decrypting data.

Throws:

GeneralSecurityException - If a security error occurs.

Method Details

decrypt

public void decrypt(byte[] input,
 int inputOffset,
 int inputLength,
 byte[] output,
 int outputOffset)
             throws Exception

Description copied from interface: PacketEncryption

Decrypts the given data. Input and output arrays can be the same.

Specified by:

decrypt in interface PacketEncryption

Parameters:

input - Input data to decrypt.

inputOffset - Offset of the data to start decrypting at.

inputLength - Length of the data to be decrypted.

output - Array to output decrypted data to.

outputOffset - Offset of the output array to start at.

Throws:

Exception - If an error occurs.

encrypt

public void encrypt(byte[] input,
 int inputOffset,
 int inputLength,
 byte[] output,
 int outputOffset)
             throws Exception

Description copied from interface: PacketEncryption

Encrypts the given data. Input and output arrays can be the same.

Specified by:

encrypt in interface PacketEncryption

Parameters:

input - Input data to encrypt.

inputOffset - Offset of the data to start encrypting at.

inputLength - Length of the data to be encrypted.

output - Array to output encrypted data to.

outputOffset - Offset of the output array to start at.

Throws:

Exception - If an error occurs.