Possible App - Security

Christian Stüble stueble at sirrix.com
Thu Jul 19 20:11:11 CEST 2007


Moin moin,

the problem with voice encryption on mobile phones is not the cryptographic 
scheme. Its the (relatively small) bandwidth, especially on the GSM Data 
channel, and the latency due to lots of buffers.

Chris

Am Donnerstag, 19. Juli 2007 09:35 schrieb ramsesoriginal:
> Ok, I never made nothing with encryption on phones, but wouldn't it be
> enough to make some sort of public key system, which works as follows:
> When i want to cal lsomeone, the phone generates a random digit.. . IT
> encodes it with the public key of the reciver and when he acepts the call,
> it sends it. The reciver derypts it. And then simply encrypt the call with
> this session key. Or did i miss something?
>
> On 7/18/07, Christian Stüble <stueble at sirrix.com> wrote:
> > Hola,
> >
> > we are planning to develop several security-related applications on top
> > of the
> > Neo device. Voice encryption is only one of them.
> >
> > Regards,
> > Chris
> >
> > Am Mittwoch, 18. Juli 2007 11:36 schrieb COMINT:
> > > Hi there
> > >
> > > I'm interested in putting together an encryption app to allow secure
> > > voice calls over the GSM data call facility.
> > >
> > > I'm looking for one or more people that would be interested in working
> > > together to get something running on the neo.
> > >
> > > If anyone is interested please drop me an email.
> > >
> > > Kind regards
> > >
> > > _______________________________________________
> > > OpenMoko community mailing list
> > > community at lists.openmoko.org
> > > http://lists.openmoko.org/mailman/listinfo/community
> >
> > --
> > Sirrix AG security technologies - http://www.sirrix.com
> > Tel: +49(234) 610071-111,     Fax: +49(234) 610071-500
> > Public key on demand.
> > Fingerprint 8678 C5D3 CAD9 CD8C  F1DD B8EC 202F 116A
> >
> > Vorstand: Ammar Alkassar (Vors.), Ahmad-Reza Sadeghi, Christian Stüble
> > Vorsitzender des Aufsichtsrates: Prof. Dr. Kai Rannenberg
> > Sitz der Gesellschaft: Homburg/Saar, HRB 3857 Amtsgericht Saarbrücken
> >
> > This message may contain confidential and/or privileged information.
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> > If you have received this message in error, please advise the sender
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> >
> > _______________________________________________
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> > http://lists.openmoko.org/mailman/listinfo/community

-- 
Sirrix AG security technologies - http://www.sirrix.com
Tel: +49(234) 610071-111,     Fax: +49(234) 610071-500
Public key on demand.
Fingerprint 8678 C5D3 CAD9 CD8C  F1DD B8EC 202F 116A

Vorstand: Ammar Alkassar (Vors.), Ahmad-Reza Sadeghi, Christian Stüble
Vorsitzender des Aufsichtsrates: Prof. Dr. Kai Rannenberg
Sitz der Gesellschaft: Homburg/Saar, HRB 3857 Amtsgericht Saarbrücken

This message may contain confidential and/or privileged information. 
If you are not the addressee, you must not use, copy, disclose or 
take any action based on this message or any information herein. 
If you have received this message in error, please advise the sender 
immediately by reply e-mail and delete this message.  




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