Iran GPS Spoofing and the RSA Cipher

John Young cryptome at
Sat Dec 24 15:11:53 GMT 2011

And the original author's response to latest UK Crypto messages:


Thanks for these interesting comments. I dunno exact details 
about RSA's use in GPS', and I know absolutely nothing about 
the architecture of GPS' PKI, etc.; that Princeton PowerPoint 
is my only source of knowledge about RSA's use, so it is nice 
to read the more educated speculations of others. 


PowerPoint that mentions GPS' use of RSA:

An article which elaborates on the topic, citing Lockheed Martin, 
also a target of ComodoHacker, as the drone manufacturer (DE):

And, the original author comments on the Tech-Blog article:


Lockheed Martin & Boeing make the satellites:


Another reader points to the US Army's GPS FAQ:

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