int negotiateAuthenticationTight() throws Exception {
int nAuthTypes = is.readInt();
if (nAuthTypes == 0) return AuthNone;
readCapabilityList(authCaps, nAuthTypes);
for (int i = 0; i < authCaps.numEnabled(); i++) {
int authType = authCaps.getByOrder(i);
if (authType == AuthNone || authType == AuthVNC) {
writeInt(authType);
return authType;
}
}
throw new Exception("No suitable authentication scheme found");
}
