Function openssl::crypto::pkcs5::pbkdf2_hmac_sha1

pub fn pbkdf2_hmac_sha1(pass: &str,
                        salt: &[u8],
                        iter: usize,
                        keylen: usize)
                        -> Vec<u8>

Derives a key from a password and salt using the PBKDF2-HMAC-SHA1 algorithm.