Function gnunet_sys::gcry_kdf_derive

pub unsafe extern "C" fn gcry_kdf_derive(
    passphrase: *const c_void, 
    passphraselen: usize, 
    algo: c_int, 
    subalgo: c_int, 
    salt: *const c_void, 
    saltlen: usize, 
    iterations: c_ulong, 
    keysize: usize, 
    keybuffer: *mut c_void
) -> gpg_error_t