Apparatus and method for upgrading terminals to maintain a...

Details Apparatus and method for upgrading terminals to maintain a... Apparatus and method for upgrading terminals to maintain a...

H - Electricity

04

K

H04K 1/00 (2006.01) H04N 7/16 (2006.01)

Patent

CA 2055132

A secure communication network serves a plurality of terminals (30, 34, 38) grouped into different security categories. each terminal includes a replaceable security element (32, 36, 40) containing a security algorithm specific to the security category to which the terminal is assigned. Upon the breach of a particular security version, the security elements in the affected category are replaced with new elements containing a different algorithm. The security elements are relatively low cost, and can be replaced on an as needed or periodic basis to maintain system security,

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