Invention Grant
US08391488B2 Method and apparatus for using navigation signal information for geoencryption to enhance security
有权
使用导航信号信息进行地理加密的方法和装置，以增强安全性
- Patent Title: Method and apparatus for using navigation signal information for geoencryption to enhance security
- Patent Title (中): 使用导航信号信息进行地理加密的方法和装置，以增强安全性
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Application No.: US12354607Application Date: 2009-01-15
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Publication No.: US08391488B2Publication Date: 2013-03-05
- Inventor: Di Qiu , Sherman Lo , Per Enge , Logan Scott , Dan Boneh , Ron Karpf
- Applicant: Di Qiu , Sherman Lo , Per Enge , Logan Scott , Dan Boneh , Ron Karpf
- Applicant Address: US CA Tarzana US CA Stanford
- Assignee: Geocodex LLC,Leland Stanford Junior University
- Current Assignee: Geocodex LLC,Leland Stanford Junior University
- Current Assignee Address: US CA Tarzana US CA Stanford
- Agency: O'Melveny & Myers LLP
- Main IPC: H04K1/00
- IPC: H04K1/00 ; G01S13/00 ; H04L9/32 ; G06F7/04 ; G06F17/30 ; G08B13/00 ; G01N23/00 ; H04L12/28 ; G01S1/00 ; H04N7/167 ; H04N7/16 ; G06F11/30
Abstract:
A data encryption and decryption system securely geoencrypts data using location-dependent navigation signals. To increase the entropy of the cryptographic key to guard against a brute-force attack, geoencryption is made to depend on largely time-independent characteristics of the navigation signals that are not easily spoofed, including the time difference of arrival, the envelope-to-cycle difference, the differential signal-to-noise, the signal envelope shape, and the directions of arrival of the navigation signal set.
Public/Granted literature
- US20090316900A1 METHOD AND APPARATUS FOR USING NAVIGATION SIGNAL INFORMATION FOR GEOENCRYPTION TO ENHANCE SECURITY Public/Granted day:2009-12-24
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