Secure booting of a personal computer system

Details Secure booting of a personal computer system Secure booting of a personal computer system

2006-02-28

2006-02-28

Barron, Jr., Gilberto (Department: 2132)

Information security

Access control or authentication

Authorization

C726S030000

Reexamination Certificate

active

07007300

ABSTRACT:
Methods for securing booting a personal computer system. One method includes establishing a secret between two or more devices and securing the secret in each of the two or more devices. Another method includes processing BIOS code instructions and accessing security hardware. The method also includes accessing a first device, locking the security hardware, and calling boot code. Another method includes reading a secret from a first location, storing the secret in a secure location different from the first location, and locking the first location. Another method includes requesting authentication for a device, receiving authentication for the device, and setting a timer associated with the device. Another method includes requesting authentication for a device, failing authentication for the device, and preventing access to the device upon failing authentication for the device.

REFERENCES:
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patent: 6256740 (2001-07-01), Muller et al.
patent: 1076438 (2001-02-01), None
Intel, “Low Pin Count (LPC) Interface Specification Revision 1.0,” pp. 1-31 (Sep. 29, 1997).
Standard Microsystems Corporation, “100 Pin Enhanced Super I/O for LPC Bus with SMBus Controller for Commercial Application,” Part No. LPC47B37x, pp. 1-254 (Jun. 17, 1999).
FIPS Pub 140-1 Federal Information Processing Standards Publication, “Security Requirements for Cryptographic Modules” (Jan. 11, 1994).
Intel, “Communication and Networking Riser Specification,” Revision 1.0 (Feb. 7, 2000).
“Handbook of Applied Cryptography” CRC Press 1997 pp. 154-157, 160-161, 191-198, 203-212.

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