Computer network security system employing portable storage device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 5, 2007
Grant Date -
Oct 31, 2002
app pub date -
Oct 23, 2001
filing date -
Apr 30, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The trusted computer network is protected behind a gateway that includes a bastion host and screening router which blocks all URLs associated with the trusted network. The bastion host includes a remote client authentication mechanism and web proxy component that verifies and translates incoming URL requests from authenticated remote clients. Authentication is performed using one-time passwords that are stored on a portable storage device. The user configures the portable storage device by operating configuration software from the protected side of the gateway. The portable storage device also stores plug-in software to enable the client computer to properly retrieve the one-time password and exchange authentication messages with the bastion host. Further security is obtained by basing the one-time password on an encrypted version of the user's PIN. A symmetric key used to encrypt the PIN is stored in a protected area within the portable storage device.
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