org.mariadb.jdbc.internal.com.send.authentication

Class CachingSha2PasswordPlugin

java.lang.Object

org.mariadb.jdbc.internal.com.send.authentication.CachingSha2PasswordPlugin

All Implemented Interfaces:

AuthenticationPlugin

public class CachingSha2PasswordPlugin
extends java.lang.Object
implements AuthenticationPlugin

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.String	authenticationData
private Options	options
private byte[]	seed
static java.lang.String	TYPE

Constructor Summary

Constructors

Constructor and Description
CachingSha2PasswordPlugin()

Method Summary

Modifier and Type	Method and Description
void	initialize(java.lang.String authenticationData, byte[] seed, Options options) Initialized data.
java.lang.String	name() Authentication plugin name.
Buffer	process(PacketOutputStream out, PacketInputStream in, java.util.concurrent.atomic.AtomicInteger sequence) Process native password plugin authentication.
static byte[]	sha256encryptPassword(java.lang.String password, byte[] seed, java.lang.String passwordCharacterEncoding) Send a SHA-2 encrypted password.
java.lang.String	type() Authentication plugin type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.mariadb.jdbc.authentication.AuthenticationPlugin

mustUseSsl

Field Detail

TYPE

public static final java.lang.String TYPE

See Also:

Constant Field Values

authenticationData

private java.lang.String authenticationData

seed

private byte[] seed

options

private Options options

Constructor Detail

CachingSha2PasswordPlugin

public CachingSha2PasswordPlugin()

Method Detail

sha256encryptPassword

public static byte[] sha256encryptPassword(java.lang.String password,
                                           byte[] seed,
                                           java.lang.String passwordCharacterEncoding)
                                    throws java.security.NoSuchAlgorithmException,
                                           java.io.UnsupportedEncodingException

Send a SHA-2 encrypted password. encryption XOR(SHA256(password), SHA256(seed, SHA256(SHA256(password))))

Parameters:

password - password

seed - seed

passwordCharacterEncoding - option if not using default byte encoding

Returns:

encrypted pwd

Throws:

java.security.NoSuchAlgorithmException - if SHA-256 algorithm is unknown

java.io.UnsupportedEncodingException - if SHA-256 algorithm is unknown

name

public java.lang.String name()

Description copied from interface: AuthenticationPlugin

Authentication plugin name.

Specified by:

name in interface AuthenticationPlugin

Returns:

authentication plugin name. ex: Mysql native password

type

public java.lang.String type()

Description copied from interface: AuthenticationPlugin

Authentication plugin type.

Specified by:

type in interface AuthenticationPlugin

Returns:

authentication plugin type. ex: mysql_native_password

initialize

public void initialize(java.lang.String authenticationData,
                       byte[] seed,
                       Options options)

Initialized data.

Specified by:

initialize in interface AuthenticationPlugin

Parameters:

authenticationData - authentication data (password/token)

seed - server provided seed

options - Connection string options

process

public Buffer process(PacketOutputStream out,
                      PacketInputStream in,
                      java.util.concurrent.atomic.AtomicInteger sequence)
               throws java.io.IOException,
                      java.sql.SQLException

Process native password plugin authentication. see https://mariadb.com/kb/en/library/authentication-plugin-mysql_native_password/

Specified by:

process in interface AuthenticationPlugin

Parameters:

out - out stream

in - in stream

sequence - packet sequence

Returns:

response packet

Throws:

java.io.IOException - if socket error

java.sql.SQLException - if plugin exception