Package net.minecraft.network.encryption

Class NetworkEncryptionUtils

java.lang.Object

net.minecraft.network.encryption.NetworkEncryptionUtils

public class NetworkEncryptionUtils
extends Object

Mappings:

Namespace	Name
official	ahu
intermediary	net/minecraft/class_3515
named	net/minecraft/network/encryption/NetworkEncryptionUtils

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	AES
private static final int	AES_KEY_LENGTH
private static final String	ISO_8859_1
private static final String	RSA
private static final int	RSA_KEY_LENGTH
private static final String	SHA1

Constructor Summary

Constructors

Constructor	Description
NetworkEncryptionUtils()

Method Summary

Modifier and Type	Method	Description
static Cipher	cipherFromKey(int opMode, Key key)
private static Cipher	crypt(int opMode, String algorithm, Key key)
private static byte[]	crypt(int opMode, Key key, byte[] data)
static byte[]	decrypt(Key key, byte[] data)
static SecretKey	decryptSecretKey(PrivateKey privateKey, byte[] encryptedSecretKey)
static byte[]	encrypt(Key key, byte[] data)
static SecretKey	generateKey()
static byte[]	generateServerId(String baseServerId, PublicKey publicKey, SecretKey secretKey)
static KeyPair	generateServerKeyPair()
private static byte[]	hash(byte[][] bytes)
static PublicKey	readEncodedPublicKey(byte[] bytes)

Methods inherited from class java.lang.Object

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

Field Details

AES

private static final String AES

See Also:

• Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	a	Lahu;a:Ljava/lang/String;
intermediary	field_29830	Lnet/minecraft/class_3515;field_29830:Ljava/lang/String;
named	AES	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;AES:Ljava/lang/String;

AES_KEY_LENGTH

private static final int AES_KEY_LENGTH

See Also:

• Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	b	Lahu;b:I
intermediary	field_29831	Lnet/minecraft/class_3515;field_29831:I
named	AES_KEY_LENGTH	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;AES_KEY_LENGTH:I

RSA

private static final String RSA

See Also:

• Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	c	Lahu;c:Ljava/lang/String;
intermediary	field_29832	Lnet/minecraft/class_3515;field_29832:Ljava/lang/String;
named	RSA	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;RSA:Ljava/lang/String;

RSA_KEY_LENGTH

private static final int RSA_KEY_LENGTH

See Also:

• Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	d	Lahu;d:I
intermediary	field_29833	Lnet/minecraft/class_3515;field_29833:I
named	RSA_KEY_LENGTH	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;RSA_KEY_LENGTH:I

ISO_8859_1

private static final String ISO_8859_1

See Also:

• Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	e	Lahu;e:Ljava/lang/String;
intermediary	field_29834	Lnet/minecraft/class_3515;field_29834:Ljava/lang/String;
named	ISO_8859_1	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;ISO_8859_1:Ljava/lang/String;

SHA1

private static final String SHA1

See Also:

• Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	f	Lahu;f:Ljava/lang/String;
intermediary	field_29835	Lnet/minecraft/class_3515;field_29835:Ljava/lang/String;
named	SHA1	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;SHA1:Ljava/lang/String;

Constructor Details

NetworkEncryptionUtils

public NetworkEncryptionUtils()

Method Details

generateKey

public static SecretKey generateKey()
                             throws NetworkEncryptionException

Throws:

NetworkEncryptionException

Mappings:

Namespace	Name	Mixin selector
official	a	Lahu;a()Ljavax/crypto/SecretKey;
intermediary	method_15239	Lnet/minecraft/class_3515;method_15239()Ljavax/crypto/SecretKey;
named	generateKey	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;generateKey()Ljavax/crypto/SecretKey;

generateServerKeyPair

public static KeyPair generateServerKeyPair()
                                     throws NetworkEncryptionException

Throws:

NetworkEncryptionException

Mappings:

Namespace	Name	Mixin selector
official	b	Lahu;b()Ljava/security/KeyPair;
intermediary	method_15237	Lnet/minecraft/class_3515;method_15237()Ljava/security/KeyPair;
named	generateServerKeyPair	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;generateServerKeyPair()Ljava/security/KeyPair;

generateServerId

public static byte[] generateServerId(String baseServerId,
 PublicKey publicKey,
 SecretKey secretKey)
                               throws NetworkEncryptionException

Throws:

NetworkEncryptionException

Mappings:

Namespace	Name	Mixin selector
official	a	Lahu;a(Ljava/lang/String;Ljava/security/PublicKey;Ljavax/crypto/SecretKey;)[B
intermediary	method_15240	Lnet/minecraft/class_3515;method_15240(Ljava/lang/String;Ljava/security/PublicKey;Ljavax/crypto/SecretKey;)[B
named	generateServerId	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;generateServerId(Ljava/lang/String;Ljava/security/PublicKey;Ljavax/crypto/SecretKey;)[B

hash

private static byte[] hash(byte[][] bytes)
                    throws Exception

Throws:

Exception

Mappings:

Namespace	Name	Mixin selector
official	a	Lahu;a([[B)[B
intermediary	method_15236	Lnet/minecraft/class_3515;method_15236([[B)[B
named	hash	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;hash([[B)[B

readEncodedPublicKey

public static PublicKey readEncodedPublicKey(byte[] bytes)
                                      throws NetworkEncryptionException

Throws:

NetworkEncryptionException

Mappings:

Namespace	Name	Mixin selector
official	a	Lahu;a([B)Ljava/security/PublicKey;
intermediary	method_15242	Lnet/minecraft/class_3515;method_15242([B)Ljava/security/PublicKey;
named	readEncodedPublicKey	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;readEncodedPublicKey([B)Ljava/security/PublicKey;

decryptSecretKey

public static SecretKey decryptSecretKey(PrivateKey privateKey,
 byte[] encryptedSecretKey)
                                  throws NetworkEncryptionException

Throws:

NetworkEncryptionException

Mappings:

Namespace	Name	Mixin selector
official	a	Lahu;a(Ljava/security/PrivateKey;[B)Ljavax/crypto/SecretKey;
intermediary	method_15234	Lnet/minecraft/class_3515;method_15234(Ljava/security/PrivateKey;[B)Ljavax/crypto/SecretKey;
named	decryptSecretKey	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;decryptSecretKey(Ljava/security/PrivateKey;[B)Ljavax/crypto/SecretKey;

encrypt

public static byte[] encrypt(Key key,
 byte[] data)
                      throws NetworkEncryptionException

Throws:

NetworkEncryptionException

Mappings:

Namespace	Name	Mixin selector
official	a	Lahu;a(Ljava/security/Key;[B)[B
intermediary	method_15238	Lnet/minecraft/class_3515;method_15238(Ljava/security/Key;[B)[B
named	encrypt	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;encrypt(Ljava/security/Key;[B)[B

decrypt

public static byte[] decrypt(Key key,
 byte[] data)
                      throws NetworkEncryptionException

Throws:

NetworkEncryptionException

Mappings:

Namespace	Name	Mixin selector
official	b	Lahu;b(Ljava/security/Key;[B)[B
intermediary	method_15243	Lnet/minecraft/class_3515;method_15243(Ljava/security/Key;[B)[B
named	decrypt	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;decrypt(Ljava/security/Key;[B)[B

crypt

private static byte[] crypt(int opMode,
 Key key,
 byte[] data)
                     throws NetworkEncryptionException

Throws:

NetworkEncryptionException

Mappings:

Namespace	Name	Mixin selector
official	a	Lahu;a(ILjava/security/Key;[B)[B
intermediary	method_15244	Lnet/minecraft/class_3515;method_15244(ILjava/security/Key;[B)[B
named	crypt	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;crypt(ILjava/security/Key;[B)[B

crypt

private static Cipher crypt(int opMode,
 String algorithm,
 Key key)
                     throws Exception

Throws:

Exception

Mappings:

Namespace	Name	Mixin selector
official	a	Lahu;a(ILjava/lang/String;Ljava/security/Key;)Ljavax/crypto/Cipher;
intermediary	method_15241	Lnet/minecraft/class_3515;method_15241(ILjava/lang/String;Ljava/security/Key;)Ljavax/crypto/Cipher;
named	crypt	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;crypt(ILjava/lang/String;Ljava/security/Key;)Ljavax/crypto/Cipher;

cipherFromKey

public static Cipher cipherFromKey(int opMode,
 Key key)
                            throws NetworkEncryptionException

Throws:

NetworkEncryptionException

Mappings:

Namespace	Name	Mixin selector
official	a	Lahu;a(ILjava/security/Key;)Ljavax/crypto/Cipher;
intermediary	method_15235	Lnet/minecraft/class_3515;method_15235(ILjava/security/Key;)Ljavax/crypto/Cipher;
named	cipherFromKey	Lnet/minecraft/network/encryption/NetworkEncryptionUtils;cipherFromKey(ILjava/security/Key;)Ljavax/crypto/Cipher;