net.minecraft.util

クラス CryptManager

java.lang.Object

net.minecraft.util.CryptManager

public class CryptManager
extends java.lang.Object

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
CryptManager()

メソッドのサマリー

修飾子とタイプ	メソッドと説明
static javax.crypto.Cipher	createNetCipherInstance(int opMode, java.security.Key key) Creates an Cipher instance using the AES/CFB8/NoPadding algorithm.
static javax.crypto.SecretKey	createNewSharedKey() Generate a new shared secret AES key from a secure random source
static java.security.PublicKey	decodePublicKey(byte[] encodedKey) Create a new PublicKey from encoded X.509 data
static byte[]	decryptData(java.security.Key key, byte[] data) Decrypt byte[] data with RSA private key
static javax.crypto.SecretKey	decryptSharedKey(java.security.PrivateKey key, byte[] secretKeyEncrypted) Decrypt shared secret AES key using RSA private key
static byte[]	encryptData(java.security.Key key, byte[] data) Encrypt byte[] data with RSA public key
static java.security.KeyPair	generateKeyPair() Generates RSA KeyPair
static byte[]	getServerIdHash(java.lang.String serverId, java.security.PublicKey publicKey, javax.crypto.SecretKey secretKey) Compute a serverId hash for use by sendSessionRequest()

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

CryptManager

public CryptManager()

メソッドの詳細

createNewSharedKey

public static javax.crypto.SecretKey createNewSharedKey()

Generate a new shared secret AES key from a secure random source

generateKeyPair

public static java.security.KeyPair generateKeyPair()

Generates RSA KeyPair

getServerIdHash

public static byte[] getServerIdHash(java.lang.String serverId,
                                     java.security.PublicKey publicKey,
                                     javax.crypto.SecretKey secretKey)

Compute a serverId hash for use by sendSessionRequest()

decodePublicKey

public static java.security.PublicKey decodePublicKey(byte[] encodedKey)

Create a new PublicKey from encoded X.509 data

decryptSharedKey

public static javax.crypto.SecretKey decryptSharedKey(java.security.PrivateKey key,
                                                      byte[] secretKeyEncrypted)

Decrypt shared secret AES key using RSA private key

encryptData

public static byte[] encryptData(java.security.Key key,
                                 byte[] data)

Encrypt byte[] data with RSA public key

decryptData

public static byte[] decryptData(java.security.Key key,
                                 byte[] data)

Decrypt byte[] data with RSA private key

createNetCipherInstance

public static javax.crypto.Cipher createNetCipherInstance(int opMode,
                                                          java.security.Key key)

Creates an Cipher instance using the AES/CFB8/NoPadding algorithm. Used for protocol encryption.