com.amazon.redshift.util

Class ExtensibleDigest

java.lang.Object

com.amazon.redshift.util.ExtensibleDigest

public class ExtensibleDigest
extends Object

Extensible hashing utility function to obfuscate passwords before network transmission.

Method Summary

Modifier and Type	Method and Description
static byte[]	encode(byte[] clientNonce, byte[] password, byte[] salt, String algoName, byte[] serverNonce) Encodes user/password/salt information in the following way: SHA2(SHA2(password + user) + salt).

Methods inherited from class java.lang.Object

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

Method Detail

encode

public static byte[] encode(byte[] clientNonce,
                            byte[] password,
                            byte[] salt,
                            String algoName,
                            byte[] serverNonce)

Encodes user/password/salt information in the following way: SHA2(SHA2(password + user) + salt).

Parameters:

clientNonce - The client nonce.

password - The connecting user's password.

salt - salt sent by the server.

algoName - Algorithm name such as "SHA-256" etc.

serverNonce - random number generated by server

Returns:

A byte array of the digest.