Fortune for chacha20stream's current commit: Curse − 凶read-stream-wrapper-async
parent
20199e3610
commit
e536d6b232
GPG Key ID:
284488987C31F630
@ -0,0 +1,146 @@
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use super::*;
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use key::*;
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use std::io;
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use tokio::io::AsyncWrite;
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use std::{
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pin::Pin,
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task::{Context, Poll},
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};
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use std::fmt;
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use openssl::{
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symm::Crypter,
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error::ErrorStack,
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};
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/// Size of the in-structure buffer
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#[cfg(feature="smallvec")]
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pub const BUFFER_SIZE: usize = 32;
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#[cfg(feature="smallvec")]
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type BufferVec = smallvec::SmallVec<[u8; BUFFER_SIZE]>;
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#[cfg(not(feature="smallvec"))]
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type BufferVec = Vec<u8>;
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pub type Error = ErrorStack;
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pub mod sink;
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pub use sink::Sink;
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#[cfg(test)]
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mod test
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{
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use tokio::prelude::*;
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#[tokio::test]
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async fn sink_sync()
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{
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let mut output = Vec::new();
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let input = "Hello world!";
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let (key, iv) = crate::cha::keygen();
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let encrypted = {
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let mut sink = super::Sink::encrypt(&mut output, key, iv).expect("Sink::encrypt");
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sink.write_all(input.as_bytes()).await.expect("Sink::write_all");
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sink.flush().await.expect("Sink::flush");
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sink.shutdown().await.expect("Sink::shutdown");
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sink.into_inner().clone()
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};
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output.clear();
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let decrypted = {
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let mut sink = super::Sink::decrypt(&mut output, key, iv).expect("Sink::decrypt");
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sink.write_all(&encrypted[..]).await.expect("Sink::write_all");
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sink.flush().await.expect("Sink::flush");
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sink.shutdown().await.expect("Sink::shutdown");
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sink.into_inner().clone()
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};
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assert_eq!(&decrypted[..], input.as_bytes());
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}
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#[tokio::test]
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async fn sink_mem()
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{
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const BACKLOG: usize = 4;
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let (mut client, mut server) = tokio::io::duplex(BACKLOG);
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let (key, iv) = crate::cha::keygen();
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let input = "Hello!";
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let enctask = tokio::spawn(async move {
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let mut sink = super::Sink::encrypt(&mut client, key, iv).expect("Sink::encrypt");
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sink.write_all(input.as_bytes()).await.expect("Sink::write_all");
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sink.flush().await.expect("Sink::flush");
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sink.shutdown().await.expect("Sink::shutdown");
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drop(client);
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});
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let (mut declient, mut deserver) = tokio::io::duplex(BACKLOG * 2);
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let dectask = tokio::spawn(async move {
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let mut sink = super::Sink::decrypt(&mut declient, key, iv).expect("Sink::encrypt");
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tokio::io::copy(&mut server, &mut sink).await.expect("Copy to sink failed");
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sink.flush().await.expect("Sink::flush");
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sink.shutdown().await.expect("Sink::shutdown");
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});
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let (de, en) = tokio::join![dectask, enctask];
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de.expect("Dec task panic");
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en.expect("Enc task panic");
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let mut output = Vec::new();
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tokio::io::copy(&mut deserver, &mut output).await.expect("Copy into vec");
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println!("In: {}, Out: {}", String::from_utf8_lossy(&output[..]), input);
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assert_eq!(&output[..], input.as_bytes());
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}
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#[tokio::test]
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async fn sink_files()
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{
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let mut output = tokio::fs::File::from_std(tempfile::tempfile().unwrap());
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let input = "Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!Hello world!";
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let (key, iv) = crate::cha::keygen();
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{
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let mut sink = super::Sink::encrypt(&mut output, key, iv).expect("Sink::encrypt");
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sink.write_all(input.as_bytes()).await.expect("Sink::write_all");
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sink.flush().await.expect("Sink::flush");
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sink.shutdown().await.expect("Sink::shutdown");
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}
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let mut encrypted = output;
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encrypted.seek(tokio::io::SeekFrom::Start(0)).await.unwrap();
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let mut output = tokio::fs::File::from_std(tempfile::tempfile().unwrap());
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{
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let mut sink = super::Sink::decrypt(&mut output, key, iv).expect("Sink::decrypt");
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tokio::io::copy(&mut encrypted, &mut sink).await.expect("Copy to sinl");
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sink.flush().await.expect("Sink::flush");
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sink.shutdown().await.expect("Sink::shutdown");
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}
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let mut decrypted = output;
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let (r1, r2) = tokio::join![encrypted.sync_data(),
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decrypted.sync_data()];
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r1.expect("enc sync");
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r2.expect("dec sync");
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let decrypted = {
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decrypted.seek(tokio::io::SeekFrom::Start(0)).await.unwrap();
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let mut output = vec![0u8; input.len()];
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decrypted.read_exact(&mut output[..]).await.expect("Read decrypted");
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output
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};
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assert_eq!(&decrypted[..], input.as_bytes());
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}
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}
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