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Dining cryptographer networks are information theoretically secure to the anonymity set size. This is ultimately a traffic analysis question; however, it's very closely related to, and somewhat hard to delineate from, cryptography. In practice a DC-net is, in numerous ways, a lot like a one time pad. Primarily useful in theory and some niche cases. Anonymity ...


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In handshake process it will always not be a case that key exchange protocol will be diffie-hellman, it could be RSA also. yes I agree, that public part of key exchange protocol are being exposed, but one can not directly communicate with server from MAC part. It has to go step by step. And for every handshake server also provides session ID which will give ...


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In my opinion this may open door to a lot of attacks the attacker can use. Actually, public key signatures are designed to be used securely like this. When we design a signature method, we assume that the attacker can ask for a large number of messages of his choosing to be signed, and still try to ensure that the attacker cannot generate a valid signature ...


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