Bootstrap channel security arrangement for communication network

Cryptography – Electric signal modification – Having production of printed copy

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380 10, 380 25, 358 84, 358 86, 455 2, 455 5, 455 6, H04L 900

Patent

active

049824309

ABSTRACT:
Apparatus and a method are disclosed to enable on-line modification and upgrading of terminal software in a communication network while maintaining the integrity of communication between a service provider and a subscriber using the network. Software is downloaded on a booter channel on the communication network. A subscriber terminal, coupled to the network initiates a communication with the network to receive downloaded booter data. The downloaded data is stored, and a checksum is computed from at least a portion of the downloaded data. The checksum is tested for validity, and control of the subscriber terminal is released to the downloaded software only if the checksum is valid.

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