[26287] in cryptography@c2.net mail archive
Secure phones from VectroTel?
daemon@ATHENA.MIT.EDU (Perry E. Metzger)
Tue May 23 11:35:21 2006
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To: cryptography@metzdowd.com
From: "Perry E. Metzger" <perry@piermont.com>
Date: Tue, 23 May 2006 11:19:38 -0400
Following the links from a /. story about a secure(?) mobile phone
VectroTel in Switzerland is selling, I came across the fact that this
firm sells a full line of encrypted phones.
http://www.vectrotel.ch/
The devices apparently use D-H key exchange to produce a 128 bit AES
key which is then used as a stream cipher (presumably in OFB or a
similar mode). Authentication appears to be via a 4 digit pin,
certainly not the best of mechanisms.
Does anyone out there know much about these products and their
security properties (or lack thereof)?
Perry
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