A method and architecture allowing a remote user, especially an Internet remote user, to securely access private resources protected by a firewall. The architecture comprises a computer facility and many...
In a calling facsimile, if an operator sets an encryption communication mode, a random number sequence is generated by a random number generating section 15. A control section 11 produces an encryption...
An encryption/decryption unit (EDU) and method for determining a data encryption key used in encrypting and decrypting data transmitted over a non-secure communication link. Each EDU includes a central...
1. In a facsimile apparatus, means for producing a stepped signal, the amplitudes of the steps being substantially dependent upon the photographic density of the subject and the durations of the steps...
The specification discloses a system for scrambling digital signals transmitted between a synchronous data transmitting station and a receiving station. When the scrambling system is used with a facsimile...
