Questions tagged [plausible-deniability]

Plausible deniability may refer $1)$ to deniable encryption schemes allowing the decryption of a ciphertext for a message $m$ to some distinct message $m'$ or $2)$ to a feature provided by deniable file systems.

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Why reveal MAC keys after using them?

As far as my understanding goes, MACs are used to determine whether the received message comes from a source with access to a MAC-key, which both parties know. Some crypto protocols reveal their used ...
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Plaintext DH keys in the message header in the Double Ratchet Algorithm

I've been reading details about the Double Ratchet algorithm, and I wanted some clarification regarding the aspect of the DH public keys going out in the plain in the header of every message. Quoting ...
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Could you design something like a ring signature that uses website accounts instead of keys?

Ring signatures allow one to prove that you own a private key corresponding to a public key from a set of keys, without revealing which private key you control. This is useful if you are part of some ...