Securely using a display to exchange information

a display and information technology, applied in the field of securely using a display to exchange information, can solve the problems of insecure wireless communication and easy to be attacked

Inactive Publication Date: 2013-01-17
RES IN MOTION LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

Ensures secure and authentic key establishment and communication over wireless links without IT administrator intervention, protecting against unauthorized use and eavesdropping by generating and managing symmetric keys effectively.

Problems solved by technology

In general, wireless communication is insecure and vulnerable to attacks.

Method used

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  • Securely using a display to exchange information
  • Securely using a display to exchange information
  • Securely using a display to exchange information

Examples

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Embodiment Construction

[0012]In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of embodiments of the invention. However it will be understood by those of ordinary skill in the art that the embodiments of the invention may be practiced without these specific details. In other instances, well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the embodiments of the invention.

[0013]Reference is made to FIG. 1, which is a schematic diagram of an exemplary system, according to some embodiments of the invention. A system 100 includes a mobile device 102 and a wireless smart card reader 104. Mobile device 102 and smart card reader 104 are able to communicate over a wireless communication link 106. A non-exhaustive list of examples of wireless local area network standards for wireless communication link 106 includes the Institute of Electrical and Electronic Engineers (IEEE) for Wireles...

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Abstract

A first device has a display that is able to show information. The information is to be exchanged with a second device. The information is cleared from the display following receipt of an indication from the second device that the information has been successfully inputted at the second device.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001]This application is a continuation of U.S. patent application Ser. No. 11 / 097,282, filed Apr. 4, 2005, which is expected to issue on ______ as U.S. Pat. No. ______, the contents of which is herein incorporated by reference in its entirety.BACKGROUND OF THE INVENTION [0002]In general, wireless communication is insecure and vulnerable to attacks. Various techniques may be employed to secure a wireless communication link or to make it less vulnerable to attacks. For example, cryptographic techniques may be employed to secure a wireless communication link. In symmetric-key systems (also known as “secret-key systems”), a single, common cryptographic key is stored by two communication devices. In public-key systems (also known as “public-private pair systems”), each communication device stores its own private key and freely distributes its own public key.[0003]Various security concerns exist with the use of cryptographic techniques. For exampl...

Claims

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Application Information

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Patent Type & AuthorityApplications(United States)
IPC IPC(8): H04L9/00H04L9/08
CPCH04L63/062H04L63/0853H04W12/04H04L9/0869H04W88/02H04L9/0861H04W12/06H04L63/0435H04L63/205H04W12/50
InventorBROWN, MICHAEL K.LITTLE, HERBBROWN, MICHAEL S.ADAMS, NEIL
OwnerRES IN MOTION LTD