System and method for secure communication between electronic devices

• US 7,243,233 B2
• Filed: 06/28/2002
• Issued: 07/10/2007
• Est. Priority Date: 06/28/2002
• Status: Active Grant

• Current Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Kindberg, Timothy Paul James G., Zhang, Kan
• Primary Examiner(s): Smithers, Matthew
• Assistant Examiner(s): Fields, Courtney D.
• Application Number:
  US10/185,293
• Publication Number:
  US 20040003250A1
• Time in Patent Office: 1,838 Days
• Field of Search: 713/171, 713/153, 380/201, 380/202, 380/247, 380/270, 380/30, 705/79
• US Class Current: 713/171
• CPC Class Codes: G06F 21/445 by mutual authentication, e.g. between devices or programs
• CPC Class Codes: G06F 21/606 by securing the transmission between two devices or processes
• CPC Class Codes: G06Q 20/027 involving a payment switch or gateway
• CPC Class Codes: H04L 63/045 wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption cryptographic mechanisms or cryptographic arrangements using a plurality of keys or algorithms H04L9/14
• CPC Class Codes: H04L 63/061 for key exchange, e.g. in peer-to-peer networks cryptographic mechanisms or cryptographic arrangements for key agreement H04L9/0838
• CPC Class Codes: H04W 12/033 of the user plane, e.g. user's traffic
• CPC Class Codes: H04W 12/50 Secure pairing of devices
• CPC Class Codes: H04W 12/77 Graphical identity
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information
• CPC Class Codes: H04W 72/00 Local resource management

Abstract

A system of securing communications, comprising a plurality of computer peripheral resources, a beacon in signal communication with and located proximate each computer peripheral resource and configured to communicate using RF signals and ultrasound signals, and a portable device configured to request a listing of the computer peripheral resources using wireless network communication and to guide a user to a selected one of the computer peripheral resources using the RF and the ultrasound signals by way of the corresponding beacon, the portable device and the selected computer peripheral resource being configured to exchange encryption keys validated using signals from the beacon and to communicate with each other using encrypted network communication. Also provided is a communication system, comprising first and second portable devices respectively configured to use RF signals and ultrasound signals and to exchange encryption keys and to communicate with each other using encrypted network communication.

Claims

1. A system, comprising:

device that is accessible via a local network;

beacon located with the device;

portable device that establishes secure communication with the device by using the beacon to determine a session encryption key for communicating with the device via the local network wherein the beacon includes a display and the portable device determines the session encryption key by scanning a barcode on the display.

2. A method for establishing secure communication between a device on a local network and a portable device, comprising:

transmitting a set of signals from a location of the device;

determining a session encryption key for communication between the portable device and the device via the local network in response to the signals wherein determining a session encryption key comprises scanning a barcode on a display at the location.