Original Publication Date: 1995-Jan-01
Included in the Prior Art Database: 2005-Mar-29
Peterson, JC: AUTHOR [+2]
Disclosed is a method to supplement keylock security with a password stored in NVRAM. This method requires no new hardware.
a method to supplement keylock security with a
password stored in NVRAM. This method requires no new hardware.
keylocks provide security using a mechanical switch
that is rotated to cause a register to be read, either locking or
unlocking a system. Using a password to secure the system adds a
level of security while eliminating the need to use the key to lock
or unlock the system.
invention, a password is stored in the NVRAM of the
Real-Time Clock (RTC). The security sequence is described below:
o First, the system checks NVRAM to see if a password is present
o If a password is present, the keylock is checked. If no
is present, the system is booted.
o If the keylock is in the "lock" position, the user is prompted
enter the password. If the keylock is not locked, the system