18-Apr-2024 23:45 GMT.		 UNDER CONSTRUCTION
[Files] Sovjet miltary voice encryption machine "Elbrus" for AmigaANN.lu
Posted on 18-Oct-2002 21:50 GMT by selco9 comments
View flat
View list
The simulation of the Sovjet military voice encryption machine "Elbrus" is now available in Aminet. A simulation of the Sovjet voice encryption machine "Elbrus" for Amiga is finally available in Aminet as /util/crypt/elbrus_demo.lha. This machine was used for instance in the NVA (army of the former GDR) and similar machines are still in use in Russia today. The machine manipulates the analouge signal, e.g. the encrypted speech still fits into a 3 khz voice channel and can be transmitted via short wave radio or telephone. A demo version, an example wave file and a detailed descripion is included in the archive and on http://selco.da.ru. The Aminet demo version does not contain any digital encryption in order to comply with the crypto regulations. The full version is available from the author. (Shareware)
List of all comments to this article
Sorted by date, most recent at bottom
Comment 1Anonymous18-Oct-2002 21:11 GMT
Comment 2rez18-Oct-2002 23:33 GMT
Comment 3tinman19-Oct-2002 08:06 GMT
Sovjet miltary voice encryption machine "Elbrus" for Amiga : Comment 4 of 9ANN.lu
Posted by selco on 19-Oct-2002 08:42 GMT
Thats right. The machine changes analogue processing parameters of the voice
signal every view milliseconds. These switching-commands are derived from a
random bitstream (transmitted together with the voice signal) and the password.
That means the sender and receiver apply the same digital operations to the
bitstream by using the pasword in order to get the parameters for the analogues processing.
The Aminet demo does not contain *this* part.
That means the bitstream is used as it is, e.g. unprocessed, without
considering the password. The voice signal becomes totally unintelligible
(Thats the purpose of the machine ;) (listen to the supplied example wave-file)
but as the password was not used at all everybody will be able to decrypt the
signal again.
The archive contains a longer description of the principle.
regards selco
Jump...
#5 Mike Veroukis
TopPrevious commentNext commentbottom
List of all comments to this article (continued)
Comment 5Mike Veroukis19-Oct-2002 14:18 GMT
Comment 6Anonymous19-Oct-2002 17:00 GMT
Comment 7Mike Veroukis20-Oct-2002 01:22 GMT
Comment 8Trizt20-Oct-2002 12:31 GMT
Comment 9alan buxey21-Oct-2002 09:48 GMT
Back to Top