Key transformation unit for a tamper resistant module
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United States of America Patent
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Jun 1, 2010
Issued Date -
N/A
app pub date -
Oct 25, 2007
filing date -
Feb 21, 1997
priority date (Note) -
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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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