A cryptographic device may include a cryptographic module and a communications module coupled thereto. The cryptographic module may include a user network interface, a host network processor coupled to the user network interface, and a cryptographic processor coupled to the host network processor. Additionally,...http://www.google.es/patents/US7644289?utm_source=gb-gplus-sharePatente US7644289 - Modular cryptographic device providing enhanced communication control features and related methods
Modular cryptographic device providing enhanced communication control ...
