Researchers find ‘backdoor’ in encrypted police and military radios::The TETRA standard is used in radios worldwide. Security researchers have found multiple vulnerabilities in the underlying cryptography and its implementation, including issues that allow for the decryption of traffic.
Is there a list of situations where it’s illegal to use encryption in the US? It’s 100% illegal to transmit encrypted data over ham radio (although transmitting unencrypted packets and accessing the internet through unencrypted means over ham radio is not). I’m not sure of what other situations where using encryption is illegal though.
As soon as you try to cross a border to the world outside …