Re: ciphered voice communication
From: IceBerg (iceberg_at_techropolis.com)
Date: 08/31/04
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Date: Tue, 31 Aug 2004 15:08:51 GMT
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Lassi Hippeläinen wrote:
| IceBerg wrote:
|
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|>Markus Jansson wrote:
|>
|>| Doesnt work with cellular phones. They pack the data and if you encrypt
|>| it, they cant send it properly. If thats what you are looking for,
|>| concider Palm computer and GPRS/UMTS connection and use tools like Hush
|>| Messenger to communicate securely (with others with Hush Messenger).
|
|
| GPRS is a best effort service whose jitter can be unacceptable for voice
| services. While waiting for the bandwidth of 3G, it is better to use GSM
| Circuit Switched Data. It can run up to 14.4 kbps per circuit, which is
| enough for a secure (but mediocre quality) end-to-end voice channel. If
| you need more bandwidth, use multislot CSD (a.k.a. HSCSD).
|
| <...>
|
|>Any other ideas on the subject are greatly appriciated.
|
|
| Change your process so that you can use e-mail or messaging. There are
| very few real world cases where interactive secure voice is necessary.
|
| -- Lassi
The issue is that with current cellular communications in the US you can
not trust the built in voice encryption. When CDMA first began to gain
popularity CAVE was cracked. Since then it has been revamped, but that
does not ease the mind of anyone wanting to have secure voice
communications. I value my privacy and I use PGP with everyone willing
to use it via email. we live in a world where cellular communications is
the norm since almost all providers in the United States give free long
distance.
At this point some type of implimentation of PGPfone or something else
seems the best possible solution since it is now open source and can be
verified to be secure or not secure. I am still open to other ideas
though. I did test PGPfone on a machine with a broadband connection and
it was decent, I dont have a modem in this machine but I will get one to
test to see how well it works at 9600 baud wich is the likely speed that
cellular communications would be at.
- --
IceBerg
iceberg@techropolis.com
Power to the people!
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