What is Nostr?
Leo Wandersleb
npub1gm7…8rf6
2025-04-14 03:10:45
in reply to nevent1q…xkz4

Leo Wandersleb on Nostr: I might be missing something but if f is known to the adversary, how would the ...

I might be missing something but if f is known to the adversary, how would the recipient have an edge at detecting M4 and M5?

How about publishing M5 in a Bitcoin OP_RETURN? M4 is some binary that allows for bit flips and M5 is the generator for a xor map.
Author Public Key
npub1gm7tuvr9atc6u7q3gevjfeyfyvmrlul4y67k7u7hcxztz67ceexs078rf6