A method is provided to securely authenticate user credentials. The method includes encrypting a user credential with a public key at an access device wherein the public key is part of a public/private key pair suitable for use with an encryption algorithm. The encrypted network user credential is transmitted...http://www.google.de/patents/US7921290?utm_source=gb-gplus-sharePatent US7921290 - Method and system for securely authenticating network access credentials for users