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Results tagged with key-derivation
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user 86114
In cryptography, a key derivation function (or KDF) derives one or more secret keys from a secret value such as a master key or other known information such as a password or passphrase using a pseudo-random function. Keyed cryptographic hash functions are popular examples of pseudo-random functions used for key derivation.
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Derive independent values using block cipher
Suppose having an arbitrary $GF(2^n)$ element $x$. Its distribution is unknown.
The task is to derive two $GF(2^n)$ elements $y$ and $z$, that have uniform distribution and are independent from each o …
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