Network security device and method

Details Network security device and method Network security device and method

2001-12-05

2008-03-18

Moazzami, Nasser (Department: 2136)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

Tamper resistant

Reexamination Certificate

active

07346783

ABSTRACT:
The invention describes a method for hardening a security mechanism against physical intrusion and substitution attacks. A user establishes a connection between a network peripheral device and a network via a security mechanism. The security mechanism includes read only memory (ROM) that contains code that initiates operation of the mechanism and performs authentication functions. A persistent memory contains configuration information. A volatile memory stores user and device identification information that remains valid only for a given session and is erased thereafter to prevent a future security breach. A tamper-evident enclosure surrounds the memory elements, which if breached, becomes readily apparent to the user.

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