Electrical computers and digital processing systems: support – Data processing protection using cryptography
Reexamination Certificate
2000-06-06
2009-10-20
Pich, Ponnoreay (Department: 2435)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
C725S025000, C725S031000
Reexamination Certificate
active
07607022
ABSTRACT:
A system to transmit a set of programs from a transmitter to a receiver is used to accommodate different levels of security used for each program. When a high level of security is necessary for transmitting or receiving a program the transmitter and/or receiver is operable to accommodate that level of security. Thus, both transmitters and receivers are operable to be reconfigured to encrypt or decrypt, respectively, at different levels. Accordingly, differing amounts of programs can be transmitted or received based on the resource requirements needed at any level of security. Consequently, a high level of encryption/decryption requires more resources and allows the processing of fewer services, while a lower level of encryption/decryption allows more services to be transmitted/received.
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Qiu Xin
Sprunk Eric J.
Cullen Larry T.
General Instrument Corporation
Pich Ponnoreay
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