V1.14 and V1.15 do not have RC4
Also, noticed something interesting. Try enabling AES on the Anytone radio, and analyse the full Tx traffic in DSD+ (use the -v4 option). Message ID (MI) seems to be a constant "12345678" no matter what key or channel settings, which if I read this correctly means the IV is constant. Yes, DMR's MI is a measly 32 bits of IV, but keeping it constant for all transmissions seems like a possible issue (known plaintext attacks?).
Do correct me if I am mistaken.
No chance for correction from me...Also, noticed something interesting. Try enabling AES on the Anytone radio, and analyse the full Tx traffic in DSD+ (use the -v4 option). Message ID (MI) seems to be a constant "12345678" no matter what key or channel settings, which if I read this correctly means the IV is constant. Yes, DMR's MI is a measly 32 bits of IV, but keeping it constant for all transmissions seems like a possible issue (known plaintext attacks?).
Do correct me if I am mistaken.
Firmware 1.16 and the CPS that goes with it gives you an option to use AES or encryption that will work with the 868 and Btech radios.The Anytone radios do not have RC4 that I'm aware of... really wish they did, it would be super handy for use with Moto and Hytera radios.
No chance for correction from me...
However, Does DSD+ give you known good information for the IV? You might already know this from looking at other encrypted DMR transmissions.
Mike
Do you able to send some raw records to look? thank you.
I will watch difference between them.
Hello, IQ records will be great, but NFM demodulated with no filters and no squelch applied will be enough. Keys not needed at all, but i am will not able to check compatibilety with others radios later, than you.What sort of raw records would you like? I can send IQ recordings of transmissions using the same key I programmed (even all 0s if you'd like) and can provide the keys.
i am already have this option, i am was trying to send pm to you, but it failed.@devtty can't PM you, you'll need to allow people to start conversations with you (Your account > Privacy > Allow users to...Start conversations with you > set to "Members Only")
PS: anyone else wants some recordings I made, feel free to PM me.
i am already have this option, i am was trying to send pm to you, but it failed.
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