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by lawnchair_larry
2322 days ago
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I don’t mean to be rude, but it’s quite obvious by what you wrote that you are barely literate in cryptography, yet you are fairly certain of yourself. Your confidence is misplaced. This isn’t the type of thing that encourages actual experts to bother replying. Examples: “side channel such as a backdoor that secretly stores keys used somewhere”, “blowfish”, nonsensical mixing of block ciphers and stream ciphers without regard for the complete construction or the implementation (by far the largest weak point), etc. |
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Well, if the nested ciphers are all properly implemented AEAD schemes, use unique keys, and don't rely on public key crypto for key exchange, cascading crypto is fine.
Other than that their discourse was that of a novice, sure.