Information processing apparatus with replaceable security...

Details Information processing apparatus with replaceable security... Information processing apparatus with replaceable security...

H - Electricity

04

K

H04K 1/00 (2006.01) H04L 9/08 (2006.01) H04N 7/167 (2006.01)

Patent

CA 2049083

A field upgradeable security system deciphers signals received from a communication network. An information processor (10) include, a receptacle for receiving a replaceable security element (12). The replaceable security element generates a working key (WK) necessary to the operation of the information processor. The working key is communicated to the information processor encrypted under a secret key (A(M)). The information processor decrypts the encrypted working key for use in deciphering a received communication signal. additional layers of encryption (A(C), U(M), U(C)) can be added to the communications between the information processor and security element to increase the level of security.

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