Sequoia symmetric encryption example

Cargo.toml

[package]
name = "sequoia-test"
version = "0.1.0"
edition = "2021"

[[bin]]
name = "sequoia-test"
path = "main.rs"

[dependencies]
sequoia-openpgp = "1.17.0"

main.rs

use openpgp::serialize::stream::padding::Padder;
use openpgp::serialize::stream::{Encryptor2, LiteralWriter, Message};
use sequoia_openpgp as openpgp;
use std::fs;
use std::io::Write;

fn main() {
    let mut file = fs::OpenOptions::new()
        .create(true)
        .write(true)
        .truncate(true)
        .open("test.gpg")
        .unwrap();

    let message = Encryptor2::with_passwords(Message::new(&mut file), Some("password"))
        .build()
        .unwrap();
    //let message = Padder::new(message).build().unwrap();
    let mut w = LiteralWriter::new(message).build().unwrap();
    w.write_all(b"").unwrap();
    w.finalize().unwrap();
}