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key derivation function (KDF)

In encryption, the Key Derivation Function (KDF) is used to derive one or more Secret Keys (SK) from a secret number such as the Master Key (MK) or a password. The KDF function can be used to extend the key length or to generate keys in a specific format. A common example of the KDF function is the cryptographic hash function.

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Englisch: key derivation function - KDF
Updated at: 28.07.2016
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