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It is too likely the input mutation reduces the search space too much as most people will input heavily lossy mutations. I know better. 99% of people don't know better. Even the simple case of {"at"->"@", "what"->"#"} which I see as the kind of thing people will be loading, is a bad idea.


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Passwords should use a password hashing function. Password hashing functions are different from basic cryptographic hashes, though they use cryptographic hashes as part of their construction. Password hashing functions must use salt. (Password hashing functions can also tune their time and/or memory usage, cryptographic hashes generally can't.) So for your ...


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My understanding of the term 'pepper' is that it more matches your definition 2, in that a pepper is an unknown salt, which makes it a cryptographic secret, but not a key. However, in use it is not as limited by either of your definitions: The pepper can be different (or random) for all users (like a salt). The pepper can be the same for all users (like a ...


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From the Catena paper, version 2. A salt refers to an additional random input value for the password scrambler, stored together with the password hash. It enables a password scrambler to derive lots of different password hashes from a single password like an initialization vector enables an encryption scheme to derive lots of different ciphertexts from a ...



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