//! Autocrypt.//!//! This module deals with Autocrypt encoded data (see the [Autocrypt//! Spec]).//!//! [Autocrypt Spec]: https://autocrypt.org/level1.html#openpgp-based-key-data//!//! # Scope//!//! This implements low-level functionality like encoding and decoding//! of Autocrypt headers and setup messages. Note: Autocrypt is more//! than just headers; it requires tight integration with the MUA.usebase64;usestd::io;usestd::io::prelude::*;usestd::io::BufReader;usestd::path::Path;usestd::fs::File;usestd::str;usesequoia_openpgpasopenpgp;useopenpgp::armor;useopenpgp::Error;pubuseopenpgp::Result