apdu_app/
lib.rs

1#![no_std]
2
3pub use heapless::VecView;
4pub use iso7816::{command::CommandView, Interface};
5
6pub type Result = iso7816::Result<()>;
7
8/// An App can receive and respond APDUs at behest of the ApduDispatch.
9pub trait App: iso7816::App {
10    /// Given parsed APDU for select command.
11    /// Write response data back to buf, and return length of payload.  Return APDU Error code on error.
12    /// Alternatively, the app can defer the response until later by returning it in `poll()`.
13    fn select(
14        &mut self,
15        interface: Interface,
16        apdu: CommandView<'_>,
17        reply: &mut VecView<u8>,
18    ) -> Result;
19
20    /// Deselects the app. This is the result of another app getting selected.
21    /// App should clear any sensitive state and reset security indicators.
22    fn deselect(&mut self);
23
24    /// Given parsed APDU for app when selected.
25    /// Write response data back to buf, and return length of payload.  Return APDU Error code on error.
26    fn call(
27        &mut self,
28        interface: Interface,
29        apdu: CommandView<'_>,
30        reply: &mut VecView<u8>,
31    ) -> Result;
32}
apdu_app/lib.rs

apdu_app/
lib.rs
