Secure boot

Details Secure boot Secure boot

1996-09-30

1999-08-10

Cangialosi, Salvatore

Cryptography

Cryptanalysis

380 25, H04L 900

Patent

active

059370637

ABSTRACT:
A subsystem prevents unauthorized replacement of boot-up firmware (e.g., BIOS) embedded in modifiable non-volatile memory devices such as flash memory. The firmware device is contained in a secure boot device which is responsive to the host processor. The security protection is established by the encryption and decryption of the boot-up instructions using a secret key shared by both the secure boot device and the host processor.

REFERENCES:
patent: 4278837 (1981-07-01), Best
patent: 4633388 (1986-12-01), Chiu
patent: 4698617 (1987-10-01), Bauer
patent: 4764959 (1988-08-01), Watanabe et al.
patent: 5022077 (1991-06-01), Bealkowski et al.
patent: 5359659 (1994-10-01), Rosenthal
patent: 5377264 (1994-12-01), Lee et al.
patent: 5386469 (1995-01-01), Yearsley et al.
patent: 5421006 (1995-05-01), Jablon et al.
patent: 5444850 (1995-08-01), Chang
patent: 5450489 (1995-09-01), Ostrover et al.
patent: 5479509 (1995-12-01), Ugon
patent: 5509120 (1996-04-01), Merkin et al.
patent: 5666411 (1997-09-01), McCarty
patent: 5671275 (1997-09-01), Ezuriko
patent: 5699428 (1997-12-01), McDonnal et al.

Affiliated with

Also associated with

Rating

Secure boot does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Secure boot, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Secure boot will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1127551