As an interesting example, Lavabit tried handing over their RSA private keys in an illegible printed font: https://nakedsecurity.sophos.com/2013/10/04/cheeky-l

As an interesting example, Lavabit tried handing over their RSA private keys in an illegible printed font: https://nakedsecurity.sophos.com/2013/10/04/cheeky-lavabit-did-hand-over-encryption-keys-to-us-government-after-all/ https://nakedsecurity.sophos.com/2013/10/04/cheeky-lavabit-d...