System for protecting computers via intelligent tokens or smart cards
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United States of America Patent
Stats
-
Sep 5, 1995
Issued Date -
N/A
app pub date -
Feb 26, 1993
filing date -
Feb 26, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The possibility of corruption of critical information required in the operation of a computer is reduced by storing the critical information in a device; communicating authorization information between the device and the computer; and causing the device, in response to the authorization information, to enable the computer to read the critical information stored in the device. The device includes a housing, a memory within the housing containing information needed for startup of the host computer, and a communication channel for allowing the memory to be accessed externally of the housing. The device is initialized by storing the critical information in memory on the device, storing authorization information in memory on the device, and configuring a microprocessor in the device to release the critical information to the computer only after completing an authorization routine based on the authorization information.
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