Hi Matt, My output from gsmdecoder looks like this:
./gsmframecoder 0303012b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b Decoding 0303012b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b Encoded Frame, Burst1: 100000010001110101010000000010100000000111111101010000001010000100010111010100000000101000010000010101010100000010 Encoded Frame, Burst2: 101010111111111101000000101010101111111111110100000000100010111111111111010101000000001010101011011101010000001000 Encoded Frame, Burst3: 000000011111010101010000100000010001010111010101000010100001010001111101010001000010000000000101110101010100000010 Encoded Frame, Burst4: 000100001010101010111101110101010000000010101110111111010100010000001010101011011101010001000010001011101111010101 The output is exactly the same as the cleartext bursts from your packet. Best regards Konrad Am 10.03.2011 17:41, schrieb MATTHEW EVANS: > Hi, > > I seem to have problems with the gsmframecoder. If I compare a cleartext burst > with a decrypted burst (they are the same) with the output from this tool, > there > are some differences. Can anyone please explain why this might be? Bug > perhaps? > > Example: > > Where c is the cleartext burst, e is the encoded output from gsmframecoder > and d > is the decrypted burst. > > Packet bytes: 0303012b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b > > c > 100000010001110101010000000010100000000111111101010000001010000100010111010100000000101000010000010101010100000010 > > e > 100000010001111101010000000010100001000101111101010000001010000100010101010100010000001000010100010101010100000010 > > d > 100000010001110101010000000010100000000111111101010000001010000100010111010100000000101000010000010101010100000010 > > > c > 101010111111111101000000101010101111111111110100000000100010111111111111010101000000001010101011011101010000001000 > > e > 101010111111111101010000001010101111111111110100000000000010111111110111010100000000001011101011111101010000001010 > > d > 101010111111111101000000101010101111111111110100000000100010111111111111010101000000001010101011011101010000001000 > > > c > 000000011111010101010000100000010001010111010101000010100001010001111101010001000010000000000101110101010100000010 > > e > 000000010111010100010010100000000001010111010101000010100001010001011101010001000010000000000101010101000100000010 > > d > 000000011111010101010000100000010001010111010101000010100001010001111101010001000010000000000101110101010100000010 > > > c > 000100001010101010111101110101010000000010101110111111010100010000001010101011011101010001000010001011101111010101 > > e > 000100101010101110111101110101010000100010101010110111010100010000001010101011010101010101000010001011101101010101 > > d > 000100001010101010111101110101010000000010101110111111010100010000001010101011011101010001000010001011101111010101 > > > Thanks, > > Matt. _______________________________________________ A51 mailing list [email protected] http://lists.lists.reflextor.com/cgi-bin/mailman/listinfo/a51
