Class CachingSha2PasswordPlugin

java.lang.Object

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

All Implemented Interfaces:

AuthenticationPlugin

public class CachingSha2PasswordPlugin
extends Object
implements AuthenticationPlugin

Field Summary

Fields

Modifier and Type	Field	Description
static final String	TYPE

Constructor Summary

Constructors

Constructor	Description
CachingSha2PasswordPlugin()

Method Summary

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

Methods inherited from class Object

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

Methods inherited from interface AuthenticationPlugin

mustUseSsl

Field Details

TYPE

public static final String TYPE

See Also:

• Constant Field Values

Constructor Details

CachingSha2PasswordPlugin

public CachingSha2PasswordPlugin()

Method Details

sha256encryptPassword

public static byte[] sha256encryptPassword(String password,
 byte[] seed,
 String passwordCharacterEncoding)
                                    throws NoSuchAlgorithmException,
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:

NoSuchAlgorithmException - if SHA-256 algorithm is unknown

UnsupportedEncodingException - if SHA-256 algorithm is unknown

name

public 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 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(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,
 AtomicInteger sequence)
               throws IOException,
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:

IOException - if socket error

SQLException - if plugin exception