Method and apparatus for flash updates with secure flash

Details Method and apparatus for flash updates with secure flash Method and apparatus for flash updates with secure flash

2011-08-16

2011-08-16

Revak, Christopher A (Department: 2431)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S193000, C726S027000

Reexamination Certificate

active

08001385

ABSTRACT:
Firmware updates are performed in a digital device that includes a secure flash that secures each block of stored data with a digital signature. In at least one embodiment, the update package that is received by the digital device for use in performing the update includes the digital signatures of blocks to be updated in the flash. In other embodiments, the digital signatures are generated within the digital device after an update package has been received.

REFERENCES:
patent: 5875248 (1999-02-01), Lewis
patent: 5935242 (1999-08-01), Madany et al.
patent: 5964873 (1999-10-01), Choi
patent: 6009524 (1999-12-01), Olarig et al.
patent: 6085334 (2000-07-01), Giles et al.
patent: 6918017 (2005-07-01), Lemke
patent: 7103617 (2006-09-01), Phatak
patent: 7323996 (2008-01-01), Mullins
patent: 7383431 (2008-06-01), Takamizawa et al.
patent: 7665081 (2010-02-01), Pavlyushchik
patent: 7685189 (2010-03-01), Mittal et al.
patent: 7698698 (2010-04-01), Skan
patent: 7801867 (2010-09-01), Mittal et al.
patent: 2002/0065978 (2002-05-01), Mattison
patent: 2003/0037246 (2003-02-01), Goodman et al.
patent: 2004/0039872 (2004-02-01), Takamizawa et al.
patent: 2004/0186861 (2004-09-01), Phatak
patent: 2005/0021968 (2005-01-01), Zimmer et al.
patent: 2005/0229171 (2005-10-01), Henry et al.
patent: 2005/0268341 (2005-12-01), Ross
patent: 2005/0278399 (2005-12-01), Herle et al.
patent: 2006/0020821 (2006-01-01), Waltermann et al.
patent: 2006/0075004 (2006-04-01), Stakutis et al.
patent: 2007/0198685 (2007-08-01), Phatak
patent: 2007/0277045 (2007-11-01), Matsukawa et al.
patent: 2008/0005577 (2008-01-01), Rager et al.
patent: 2008/0140960 (2008-06-01), Basler et al.
patent: 2009/0150611 (2009-06-01), Fortin et al.
patent: 2010/0058314 (2010-03-01), Wang

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