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There's no problem in principle with using public key cryptography to sign messages sent by ham radio. So authentication is possible although it's not common in
by nominatronic 8y ago
There's no problem in principle with using public key cryptography to sign messages sent by ham radio. So authentication is possible although it's not common in practice. It's encrypting the content of messages that's not permitted.
- kawfey 8y agoLegally speaking, it's "messages encoded for the purpose of obscuring their meaning" [0] that's illegal, which is fraught with conflicting interpretations and loopholes. [0] https://www.ecfr.gov/cgi-bin/text-idx?SID=f9e42063714bbba9b7bb83ef26e844ca&mc=true&node=pt47.5.97&rgn=div5#se47.5.97_1113 https://www.ecfr.gov/cgi-bin/text-idx?SID=f9e42063714bbba9b7...