COMPUTER NETWORK SECURITY SYSTEM EMPLOYING PORTABLE STORAGE DEVICE

Title:

COMPUTER NETWORK SECURITY SYSTEM EMPLOYING PORTABLE STORAGE DEVICE

Document Type and Number:

Japanese Patent JP3877640

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide safe, easy-to-use network security.
SOLUTION: The trusted computer network 22 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 plugin 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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Inventors:

Dennis Bushmitch
Nasa Memon
Sasaya Narayanan

Application Number:

JP2002129289A

Publication Date:

February 07, 2007

Filing Date:

April 30, 2002

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