gst-plugins-rs/generic/sodium/examples/generate_keys.rs

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// generate_keys.rs
//
// Copyright 2019 Jordan Petridis <jordan@centricular.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
// SPDX-License-Identifier: MIT
use clap::{App, Arg};
use serde::{Deserialize, Serialize};
use sodiumoxide::crypto::box_;
use std::fs::File;
#[derive(Debug, Serialize, Deserialize)]
struct Keys {
public: box_::PublicKey,
private: box_::SecretKey,
}
impl Keys {
fn new() -> Self {
let (public, private) = box_::gen_keypair();
Keys { public, private }
}
fn write_to_file(&self, path: &str, json: bool) {
if json {
let path = if !path.ends_with(".json") {
format!("{}.json", path)
} else {
path.into()
};
let file =
File::create(&path).unwrap_or_else(|_| panic!("Failed to create file at {}", path));
serde_json::to_writer(file, &self)
.unwrap_or_else(|_| panic!("Failed to write to file at {}", path));
} else {
use std::io::Write;
use std::path::PathBuf;
let mut private = PathBuf::from(path);
private.set_extension("prv");
let mut file = File::create(&private)
.unwrap_or_else(|_| panic!("Failed to create file at {}", private.display()));
file.write_all(&self.private.0)
.unwrap_or_else(|_| panic!("Failed to write to file at {}", private.display()));
let mut public = PathBuf::from(path);
public.set_extension("pub");
let mut file = File::create(&public)
.unwrap_or_else(|_| panic!("Failed to create file at {}", public.display()));
file.write_all(self.public.as_ref())
.unwrap_or_else(|_| panic!("Failed to write to file at {}", public.display()));
}
}
}
fn main() {
let matches = App::new("Generate the keys to be used with the sodium element")
.version("1.0")
.author("Jordan Petridis <jordan@centricular.com>")
.about("Generate a pair of Sodium's crypto_box_curve25519xsalsa20poly1305 keys.")
.arg(
Arg::with_name("path")
.long("path")
.short("p")
.value_name("FILE")
.help("Path to write the Keys")
.required(true)
.takes_value(true),
)
.arg(
Arg::with_name("json")
.long("json")
.short("j")
.help("Write a JSON file instead of a key.prv/key.pub pair"),
)
.get_matches();
let keys = Keys::new();
let path = matches.value_of("path").unwrap();
keys.write_to_file(path, matches.is_present("json"));
}