org.trafodion.jdbc.t4

Class MessageDigest

java.lang.Object

org.trafodion.jdbc.t4.MessageDigest

public class MessageDigest
extends Object

Constructor Summary

Constructors

Constructor and Description
MessageDigest()

Method Summary

Methods

Modifier and Type	Method and Description
int	digest(byte[] key, byte[] data, byte[] md) Digests message using HmacSHA256 algorithm.
static MessageDigest	getInstance()

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageDigest

public MessageDigest()

Method Detail

getInstance

public static MessageDigest getInstance()

Returns:

MessageDigest

digest

public int digest(byte[] key,
         byte[] data,
         byte[] md)
           throws SecurityException

Digests message using HmacSHA256 algorithm.

Parameters:

key - - session key to use for create secret key used in HMAC digest

data - - The data used to create the digest

md - - returns the digested message

Returns:

the digested message's length or -1 in case of failure

Throws:

SecurityException