des-ofb

  1. L

    OP25 OP25 DES-OFB help and advice

    Hello, dear radio listeners I have a RTL-SDR Blog V4 dongle, which I bought about a year ago. In my region, I have many DES-OFB op25 transmissions and very few unencrypted transmissions. I have tried a few things to be able to listen to the transmissions, but I have not been successful in this...
  2. MTL_Emergencies

    OP25 DES-OFB decryption support

    DES-OFB traffic decryption (known key) is now supported on boatbod's fork. How to get it working? - Define key variables (16 hex chars) in the key file (such as example_keys.json). Make sure to specify 0x81 as algid. - Authorize encrypted traffic sync by specifying crypt_behavior as 0 or -1...
Top