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package scrypt-kdf
The scrypt Password-Based Key Derivation Function Internet Draft specifies the password-based key derivation function scrypt. The function derives one or more secret keys from a secret string. It is based on memory-hard functions which offer added protection against attacks using custom hardware.
val scrypt_kdf :
password:Cstruct.t ->
salt:Cstruct.t ->
n:int ->
r:int ->
p:int ->
dk_len:int32 ->
Cstruct.tscrypt_kdf password salt n r p dk_len is dk, the derived key of dk_len octets. n, the cost parameter, must be larger than 1 and a power of 2. p, the parallelization parameter, must be a possitive integer and less than or equal to 2^32 - 1 / (4 * r)