Re: Secure phones from VectroTel?

2006-05-24 Thread mis
another contender (or could-be contender): http://www.cryptophone.de/products/CPG10/index.html (open source and built by people like rop gonggrijp and barry wels) On Tue, May 23, 2006 at 01:45:15PM -0400, John Ioannidis wrote: On Tue, May 23, 2006 at 11:19:38AM -0400, Perry E. Metzger wrote:

Secure phones from VectroTel?

2006-05-23 Thread Perry E. Metzger
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

Re: Secure phones from VectroTel?

2006-05-23 Thread Steven M. Bellovin
On Tue, 23 May 2006 11:19:38 -0400, Perry E. Metzger [EMAIL PROTECTED] wrote: 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/

Re: Secure phones from VectroTel?

2006-05-23 Thread George Danezis
Hi all! 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. The 4-digit PIN should not automatically be

Re: Secure phones from VectroTel?

2006-05-23 Thread Alex Pankratov
Perry E. Metzger wrote: 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

Re: Secure phones from VectroTel?

2006-05-23 Thread Jon Callas
On 23 May 2006, at 8:19 AM, Perry E. Metzger wrote: 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