Method __builtin.Nettle.Hash()->pbkdf1()

Method pbkdf1

string(8bit) pbkdf1(string(8bit) password, string(8bit) salt, int rounds, int bytes)

Description

Password Based Key Derivation Function #1 from RFC 2898. This method is compatible with the one from PKCS#5 v1.5.

Parameter password

Parameter salt

Password and salt for the keygenerator.

Parameter rounds

The number of iterations to rehash the input.

Parameter bytes

The number of bytes of output. Note that this has an upper limit of the size of a single digest.

Returns

Returns the derived key.

Note

RFC 2898 does not recommend this function for anything else than compatibility with existing applications, due to the limits in the length of the generated keys.

See also

hkdf(), pbkdf2(), openssl_pbkdf(), crypt_password()