encodedAuthenticationToken = CSIv2Util.encodeInitialContextToken(authenticationToken, codec);
}
if (identityToken != absentIdentityToken || encodedAuthenticationToken != noAuthenticationToken) {
// at least one non-null token was created, create EstablishContext message with it.
EstablishContext message = new EstablishContext(0, // stateless ctx id
noAuthorizationToken, identityToken, encodedAuthenticationToken);
// create SAS context with the EstablishContext message.
SASContextBody contextBody = new SASContextBody();
contextBody.establish_msg(message);