* @param sessionKey the base session key
     * @param preauthIntegrity the pre-authentication integrity hash (for SMB 3.1.1) or null
     * @return derived application key
     */
    public static byte[] dervieApplicationKey(final int dialect, final byte[] sessionKey, final byte[] preauthIntegrity) {
        return derive(sessionKey, dialect == Smb2Constants.SMB2_DIALECT_0311 ? APPLABEL_311 : APPLABEL_300,

    void testDeriveApplicationKey_DifferentDialects() {
        // When
        byte[] appKey300 = Smb3KeyDerivation.dervieApplicationKey(Smb2Constants.SMB2_DIALECT_0300, sessionKey, preauthIntegrity);
        byte[] appKey311 = Smb3KeyDerivation.dervieApplicationKey(Smb2Constants.SMB2_DIALECT_0311, sessionKey, preauthIntegrity);

        // Then