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Erik Tews e_tews at cdc.informatik.tu-darmstadt.deHi Do you know if there is a convention for the cipher key number and the uak number? Usually i assume that they are 0 or 8, but i don't know a way to guess them except eavesdrooping on the key exchange. "Patrick McHardy" <kaber at trash.net> schrieb: >Just in case someone is interested - I've just pushed out changes >to allow dectmon to decipher connections if it was able to track >the initial key allocation (and thus knows the UAK). The PIN it >uses is currently hardcoded to "0000" in src/nwk.c, so make sure >to change it to use your own PIN or add brute forcing :) > >If someone wants to play with this, I'm still looking for traces >of Siemens phones during pairing, location updates etc :) > >... >NWK: 05 40 0a 03 01 18 18 0c 08 23 b1 0e 03 7d 0d 3f >|. at .......#...}.?| >NWK: ee 0e 08 77 1c 1c 5f aa a6 06 33 >|...w.._...3| >{MM-AUTHENTICATION-REQUEST} message: > IE: <<AUTH-TYPE>> id: a len: 5 dst: 0x60c2e0 > authentication algorithm: DSAA (1) > authentication key type: User authentication key (1) > authentication key number: 8 > cipher key number: 8 > INC: 0 DEF: 0 TXC: 0 UPC: 1 > IE: <<RAND>> id: c len: 10 dst: 0x60c4c0 > value: ee3f0d7d030eb123 > IE: <<RS>> id: e len: 10 dst: 0x60c4e0 > value: 3306a6aa5f1c1c77 > >NWK: 85 41 0d 04 ba 5b b8 af >|.A...[..| >{MM-AUTHENTICATION-REPLY} message: > IE: <<RES>> id: d len: 6 dst: 0x60c660 > value: afb85bba > >authentication successful >DCK: 30 e5 60 b3 b9 f6 ee e8 >|0.`.....| > >NWK: 05 4c 19 02 81 98 >|.L....| >{MM-CIPHER-REQUEST} message: > IE: <<CIPHER-INFO>> id: 19 len: 4 dst: 0x60c2b0 > enable: 1 > cipher algorithm: DECT Standard Cipher 1 (1) > cipher key type: derived (9) > cipher key num: 8 > >ciphering enabled: FP->PP >ciphering enabled: PP->FP > >NWK: 83 0d 1e 02 80 88 7c 04 90 02 00 84 >|......|.....| >{CC-SETUP-ACK} message: > IE: <<PROGRESS-INDICATOR>> id: 1e len: 4 dst: 0x60c660 > Location: user (0) > Progress description: In-band information or appropriate pattern now >available (8) > IE: <<CODEC-LIST>> id: 7c len: 6 dst: 0x60c940 > Negotiation Indicator: codec negotiation (1) > Codec 1: > Codec: G.726 (32kbit) (2) > MAC/DLC Service: DLC service: LU1, MAC service: I_NA (0) > Slot size: full slot (4) > C-Plane routing: C_S only (0) -- Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet.