use crate::ffi_types::{c_char, c_int};

unsafe extern "C" {

    pub fn botan_pbkdf(
        pbkdf_algo: *const c_char,
        out: *mut u8,
        out_len: usize,
        passphrase: *const c_char,
        salt: *const u8,
        salt_len: usize,
        iterations: usize,
    ) -> c_int;

    pub fn botan_pbkdf_timed(
        pbkdf_algo: *const c_char,
        out: *mut u8,
        out_len: usize,
        passphrase: *const c_char,
        salt: *const u8,
        salt_len: usize,
        milliseconds_to_run: usize,
        out_iterations_used: *mut usize,
    ) -> c_int;

    pub fn botan_pwdhash(
        algo: *const c_char,
        param1: usize,
        param2: usize,
        param3: usize,
        out: *mut u8,
        out_len: usize,
        passphrase: *const c_char,
        passphrase_len: usize,
        salt: *const u8,
        salt_len: usize,
    ) -> c_int;

    pub fn botan_pwdhash_timed(
        algo: *const c_char,
        msec: u32,
        param1: *mut usize,
        param2: *mut usize,
        param3: *mut usize,
        out: *mut u8,
        out_len: usize,
        passphrase: *const c_char,
        passphrase_len: usize,
        salt: *const u8,
        salt_len: usize,
    ) -> c_int;

    pub fn botan_scrypt(
        out: *mut u8,
        out_len: usize,
        passphrase: *const c_char,
        salt: *const u8,
        salt_len: usize,
        N: usize,
        r: usize,
        p: usize,
    ) -> c_int;

    pub fn botan_kdf(
        kdf_algo: *const c_char,
        out: *mut u8,
        out_len: usize,
        secret: *const u8,
        secret_len: usize,
        salt: *const u8,
        salt_len: usize,
        label: *const u8,
        label_len: usize,
    ) -> c_int;

}
