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

Methods

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.