A method for loading encryption keys into secure...

Details A method for loading encryption keys into secure... A method for loading encryption keys into secure...

H - Electricity

04

L

H04L 9/00 (2006.01) H04L 9/08 (2006.01)

Patent

CA 2134974

An encryption code and at least one key are provided to a secure transmission device, via an external keying device (100) and stored in a first volatile memory (102). An encrypted representation of the at least one key, based on the encryption code and the at least one key, is generated and stored in a non-volatile memory (103). Upon power down of the secure transmission device, the encryption code is stored in a second volatile memory (106) and the at least one key and encryption code stored in the first volatile memory (102) are erased.

Un code de chiffrement et au moins une clé sont fournis à un dispositif de transmission sûr, au moyen d'un dispositif externe (100), et stockés dans une première mémoire volatile (102). Une représentation de la clé ou des clés précitées, basée sur celle(s)-ci et sur le code de chiffrement, est générée et stockée dans une mémoire non volatile (103). Lors de la mise hors tension du dispositif de transmission sûr, le code de chiffrement est stocké dans une deuxième mémoire volatile (106) et la ou les clés ainsi que le code de chiffrement stockés dans la première mémoire volatile (102) sont effacés.

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