Couldn’t you use HMAC with shared secret key to authenticate messages while keeping plausible deniability? Since the key is only supposed to be known to the 2 parties, the recipient can deduce that a message was actually sent by the sender if he did not create it himself. I think that’s what OTR was using.
Cipherd
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Joined 3 years ago
Cake day: September 22nd, 2023
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2·1 year agoGocryptfs or CryFS. Many GUI available (Vaults, SiriKali, Plasma Vaults). Android compatibility with DroidFS.
gocryptfs or CryFS on desktop (various GUIs available) and DroidFS on Android.