Secure encryption/decryption for elevators

Details Secure encryption/decryption for elevators Secure encryption/decryption for elevators

2007-07-10

2007-07-10

Sheikh, Ayaz (Department: 2131)

Cryptography

Miscellaneous

C380S056000, C380S037000, C380S043000

Reexamination Certificate

active

10190769

ABSTRACT:
This system relates to a secure encryption/decryption protocol for elevator displays and controls. The protocol uses an algorithm to scramble information before transmission and reassemble it after transmission. The system uses at least one block of data assembled into unencrypted N-bits of information. An encryption device encodes the data into at least one block of encrypted M-bits of information. A data encryption mask provides an encryption routine which also includes scrambling the data.

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