Package net.bull.javamelody.internal.common

Class MessageDigestPasswordEncoder

java.lang.Object

net.bull.javamelody.internal.common.MessageDigestPasswordEncoder

public class MessageDigestPasswordEncoder
extends Object

Encode (hash) passwords to prevent writing them as clear texts. The hash algorithm SHA-256 with a salt is theoretically not reversible in human time.

Author:

Emeric Vernat

Constructor Summary

Constructors

Constructor	Description
MessageDigestPasswordEncoder(String algorithm)	Constructor.

Method Summary

Modifier and Type	Method	Description
String	encodePassword(String password)	Encode (hash) a password.
static void	main(String[] args)	To be used from commande line to hash password(s) using SHA-256

Methods inherited from class java.lang.Object

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

Constructor Details

MessageDigestPasswordEncoder

public MessageDigestPasswordEncoder(String algorithm)

Constructor.

Parameters:

algorithm - String like SHA-256 (recommended), SHA-512, SHA-384 or (not recommended) SHA-224, SHA-1, MD5 or more in Java 11

Method Details

main

public static void main(String[] args)
                 throws NoSuchAlgorithmException

To be used from commande line to hash password(s) using SHA-256

Parameters:

args - String[]

Throws:

NoSuchAlgorithmException - Not possible for SHA-256

encodePassword

public String encodePassword(String password)
                      throws NoSuchAlgorithmException

Encode (hash) a password.

Parameters:

password - String like password

Returns:

String like {SHA-256}c33d66fe65ffcca1f2260e6982dbf0c614b6ea3ddfdb37d6142fbec0feca5245

Throws:

NoSuchAlgorithmException - In case algorithm in constructor is not supported