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Re: NSA responds to criticism over weakening cellular crypto

daemon@ATHENA.MIT.EDU (Steven Bellovin)
Fri Mar 21 21:11:54 1997

To: craig@pacific.net.sg
cc: Eric Blossom <eb@comsec.com>, cryptography@c2.net
Date: Fri, 21 Mar 1997 20:29:17 -0500
From: Steven Bellovin <smb@research.att.com>

	 Eric Blossom wrote:
	  
	 > The other slime about the "export problem" for cellular phones is th
	at
	 > there is NO EXPORT PROBLEM.  Because of spectrum allocation issues,
	 > cellular manufacturers have to provide different models to different
	 > countries anyway.  They're already building different versions, so
	 > there is no "export control" reason not to use good crypto in the US
	.
	 
	 "Different models to different countries" may not be all that true. My
	 cell phone works without modification in more countries than I can
	 count. Same frequencies, same standards (viz. GSM). The noteable
	 exceptions are the US and Japan.

Right -- the U.S. is a notable exception, and this was for a domestic
U.S. phone.

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