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botan-sys 0.3.0

FFI wrapper for Botan cryptography library
Documentation 
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use std::os::raw::{c_int, c_char};

pub enum botan_hotp_struct {}
pub type botan_hotp_t = *mut botan_hotp_struct;

pub enum botan_totp_struct {}
pub type botan_totp_t = *mut botan_totp_struct;

extern "C" {

    pub fn botan_hotp_init(hotp: *mut botan_hotp_t,
                           key: *const u8,
                           key_len: usize,
                           hash_algo: *const c_char,
                           digits: usize) -> c_int;

    pub fn botan_hotp_destroy(hotp: botan_hotp_t) -> c_int;

    pub fn botan_hotp_generate(hotp: botan_hotp_t,
                               hotp_code: *mut u32,
                               hotp_counter: u64) -> c_int;

    pub fn botan_hotp_check(hotp: botan_hotp_t,
                            next_counter: *mut u64,
                            hotp_code: u32,
                            hotp_counter: u64,
                            resync_range: usize) -> c_int;

    pub fn botan_totp_init(totp: *mut botan_totp_t,
                           key: *const u8,
                           key_len: usize,
                           hash_algo: *const c_char,
                           digits: usize,
                           time_step: usize) -> c_int;

    pub fn botan_totp_destroy(totp: botan_totp_t) -> c_int;

    pub fn botan_totp_generate(totp: botan_totp_t,
                               totp_code: *mut u32,
                               timestamp: u64) -> c_int;

    pub fn botan_totp_check(totp: botan_totp_t,
                            totp_code: u32,
                            timestamp: u64,
                            acceptable_drift: usize) -> c_int;

}