15 Feb
2013
15 Feb
'13
4:59 p.m.
Jea, tnx, I know that in our country having a TEA1... But some
terminal working on clear mode, so this I'm not understanding why they
working on clear, but osmocom show me that we have a air encryption
1...
2013/2/15 <tetra-request(a)lists.osmocom.org>rg>:
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Today's Topics:
1. Air encryption: 1 (Media)
2. Re: Air encryption: 1 (Sylvain Munaut)
-------------- Posredovano sporočilo --------------
From: Media <media06(a)gmail.com>
To: tetra(a)lists.osmocom.org
Cc:
Date: Fri, 15 Feb 2013 00:31:39 +0100
Subject: Air encryption: 1
Here we are... one step further... :) Air encryption: 1, thisth is
means that we have encryption tetra network? TEA1 i guess... So that's
it? If is encryption 1, i can't use speech decoder for voice, right?
Thanks.
Regards.
BURST
CRC COMP: 0x1d0f OK
SB1 58/05/3/000 type1:
001000001111001011110100000000001001001010000000000011111001
TMB-SAP SYNC CC 000011(0x03) TN 11(3) FN 00101( 5) MN 111010(58) MCC
0100100101(293) MNC 00000000000111(7)
TMV-UNITDATA.ind 58/05/3/000 BSCH CRC=1 SYNC
TMV-UNITDATA.ind 58/05/3/000 AACH CRC=1 ACCESS-ASSIGN
ACCESS-ASSIGN PDU: DL_USAGE: Unallocated UL_USAGE: Unallocated
CRC COMP: 0x1d0f OK
SB2 58/05/3/000 type1:
1000111010100100001111000000110001100110100100000000000000001101100000100000000000000000101000001111111111111101110101110111
TMV-UNITDATA.ind 58/05/3/000 UNKNOWN CRC=1 BROADCAST
BNCH SYSINFO (DL 393712500 Hz, UL 383712500 Hz), service_details 0x0d77 CCK ID 0
Advanced link: 1
Air encryption: 1
SNDCP data: 1
unknown 0x8: 0
Circuit data: 1
Voice service: 1
Normal mode: 1
Migration supported: 0
Cell never uses minimum mode: 1
Priority cell: 0
De-registration mandatory: 1
Registration mandatory: 1
-------------- Posredovano sporočilo --------------
From: Sylvain Munaut <246tnt(a)gmail.com>
To: Media <media06(a)gmail.com>
Cc: tetra(a)lists.osmocom.org
Date: Fri, 15 Feb 2013 00:54:06 +0100
Subject: Re: Air encryption: 1
Hi,
Here we are... one step further... :) Air
encryption: 1, thisth is
means that we have encryption tetra network? TEA1 i guess...
It could be any of the TEA algorithm. I don't think which algorithm is
used is broadcasted, in theory each radio only supports one of the 4
algo ... so it's assumed you bought the right radio option :p
So that's
it? If is encryption 1, i can't use speech decoder for voice, right?
Nope.
Cheers,
Sylvain
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