Function safe_app::ffi::cipher_opt::cipher_opt_new_asymmetric

#[no_mangle]
pub unsafe extern "C" fn cipher_opt_new_asymmetric(
    app: *const App, 
    peer_encrypt_key_h: EncryptPubKeyHandle, 
    user_data: *mut c_void, 
    o_cb: extern "C" fn(_: *mut c_void, _: *const FfiResult, _: CipherOptHandle)
)

Construct CipherOpt::Asymmetric handle.

Callback parameters: user data, error code, cipher opt handle