Geoencryption Demonstration Di Qiu, Sherman Lo, Per Enge August 15 2007.
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Geoencryption Demonstration Di Qiu, Sherman Lo, Per Enge August 15 2007
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Transcript of Geoencryption Demonstration Di Qiu, Sherman Lo, Per Enge August 15 2007.
Geoencryption Demonstration
Di Qiu, Sherman Lo, Per Enge
August 15 2007
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@#)&)*+!#$N$&*&$&=W& /-!&)$#+
@#)&)*+!#$N$&*&$&=W& /-!&)$#+
Layers of Security
Ones who can receive the encrypted file
Conventional CryptographicAlgorithms
Ones who have the random key
Geoencryption &Signal Authentication
Ones who have the navigational receiver & locate
at user’s location
3400 m2 /153,295,000 km2
= 2.2 x 10-11
“Parking Lot” Attack
TOA
Data Collection
72.34 m
Encryption & Decryption Software
Geoencryption Parameters
• Status: Encoded or Not
• Plaintext = information to encode
• Select what stations & parameters to use– Quantization level
• Data (date) to use
• Location to use
• Resulting encrypted data
• Geo lock key
