Remote display tamper detection using data integrity operations

Details Remote display tamper detection using data integrity operations Remote display tamper detection using data integrity operations

2011-08-30

2011-08-30

Bugg, George (Department: 2612)

Communications: electrical

Condition responsive indicating system

C705S016000, C705S017000, C705S018000

Reexamination Certificate

active

08009032

ABSTRACT:
Methods and systems for detecting tampering of a remote display. According to one method, a first data integrity result is generated by performing a first data integrity operation on display data to be displayed on the remote display at a secure module. The display data is transmitted from the secure module to the remote display security module. The remote display security module receives the display data. A second data integrity result is generated by performing the first data integrity operation on the display data received at the remote display security module. A determination is made as to whether the remote display has been tampered with at the secure module if the first data integrity result does not match the second data integrity result.

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