I prefer to talk on internet forums or exchange clear-text emails, because deniability.
I prefer to talk on internet forums or exchange clear-text emails, because deniability.
I mean, is the same argument to keep security off your home wifi router so that if the MPAA goes after you for seeding torrents, you can claim that it might've been the neighbour.
In cryptography, a ring signature is a type of digital signature that can be performed by any member of a group of users that each have keys. Therefore, a message signed with a ring signature is endorsed by someone in a particular group of people. One of the security properties of a ring signature is that it should be difficult to determine which of the group members' keys was used to produce the signature
However, I don't quite understand how "anyone can forge messages after the conversation" works. Can you explain any more?
The answer is yes. But, as others here have pointed out, you can use ephemeral keys for some applications.