Using token-based signing to install unsigned binaries

Details Using token-based signing to install unsigned binaries Using token-based signing to install unsigned binaries

2007-10-09

2007-10-09

Zia, Syed A. (Department: 2131)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S159000, C713S171000, C713S173000, C380S264000, C380S277000, C380S284000, C380S229000, C726S009000, C726S020000

Reexamination Certificate

active

10044879

ABSTRACT:
The present invention provides for token based signing of an unsigned binary which may be a stream of bits (e.g., 0's and 1's). The unsigned binary is signed using a secret key which resides in a token (e.g., a smart card), which makes the secret key available to the token holder. The unsigned binary is downloaded and verified for authenticity by the token coupled to a computing device. In one embodiment, the downloaded unsigned binary is encrypted. If the unsigned binary is authentic, it may be used to replace the prior firmware on that computing device.

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