US 10,298,564 B2
Secure authenticated distance measurementGeneral
US 10,298,564 B2
Secure authenticated distance measurement
Tech Center:
2400 Networking, Multiplexing, Cable, and Security
Examiner:
Darren B Schwartz
Art Unit:
2435 Cryptography and Security
Agent:
KONINKLIJKE PHILIPS NV
Inventors:
Franciscus L.A.J. KAMPERMAN
Assignee:
Priority:
07/26/02
Filed:
08/30/18
Granted:
05/21/19
Expiration:
06/27/23
Abstract
The invention relates to a method for a first communication device to perform authenticated distance measurement between the first communication device and a second communication device, wherein the first and the second communication device share a common secret and the common secret is used for performing the distance measurement between the first and the second communication device. The invention also relates to a method of determining whether data stored on a first communication device are to be accessed by a second communication device. Moreover, the invention relates to a communication device for performing authenticated distance measurement to a second communication device. The invention also relates to an apparatus for playing back multimedia content comprising a communication device.
Cooperative Patent Classification (CPC)
H04H04L2463/101H04W12/069H04LG06F2221/2111G06F