3 ms·
How do these fingerprinting schemes work when the handshake protocol is not merely obfuscated, but actually encrypted? i.e. if one uses the tls-crypt option?
by dfawcus 3y ago
How do these fingerprinting schemes work when the handshake protocol is not merely obfuscated, but actually encrypted?
i.e. if one uses the tls-crypt option?
As I understand it, that encrypts the handshake protocol such that simple data value matching will not work, and one would have to either use length and/or timing matches.
- gruez 3y agoThey can do what the gfw does and block any encrypted traffic that it doesn't recognize. https://www.usenix.org/conference/usenixsecurity23/presentation/wu-mingshi https://www.usenix.org/conference/usenixsecurity23/presentat...