Key transformation unit for a tamper resistant module

Details Key transformation unit for a tamper resistant module Key transformation unit for a tamper resistant module

2007-10-25

2010-02-23

Smithers, Matthew B (Department: 2437)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S194000

Reexamination Certificate

active

07669055

ABSTRACT:
Methods, apparati, and computer-readable media for securely transporting a software application onto a tamper resistant module (TRM) (103) by using an individualized TRM key set. A method embodiment of the present invention comprises: storing a key pair unique to the TRM (103) in a memory located on the TRM (103), where the key pair comprises a TRM public key (150) and a TRM private key (190); retrieving the TRM public key from the TRM; encrypting a portion of the software application using the TRM public key (150); transmitting the encrypted software application to the TRM (103); and recovering and decrypting the encrypted software application using the TRM private key (190).

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