apdu_app/
lib.rs

1#![no_std]
2
3pub use iso7816::{command::CommandView, Data, Interface, Status};
4
5pub type Result = iso7816::Result<()>;
6
7/// An App can receive and respond APDUs at behest of the ApduDispatch.
8pub trait App<const R: usize>: iso7816::App {
9    /// Given parsed APDU for select command.
10    /// Write response data back to buf, and return length of payload.  Return APDU Error code on error.
11    /// Alternatively, the app can defer the response until later by returning it in `poll()`.
12    fn select(
13        &mut self,
14        interface: Interface,
15        apdu: CommandView<'_>,
16        reply: &mut Data<R>,
17    ) -> Result;
18
19    /// Deselects the app. This is the result of another app getting selected.
20    /// App should clear any sensitive state and reset security indicators.
21    fn deselect(&mut self);
22
23    /// Given parsed APDU for app when selected.
24    /// Write response data back to buf, and return length of payload.  Return APDU Error code on error.
25    fn call(&mut self, interface: Interface, apdu: CommandView<'_>, reply: &mut Data<R>) -> Result;
26}
apdu_app/lib.rs

apdu_app/
lib.rs
