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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![cfg(not(feature = "disable-encryption"))]
use neqo_crypto::{
constants::{TLS_AES_128_GCM_SHA256, TLS_VERSION_1_3},
init,
selfencrypt::SelfEncrypt,
Error,
};
#[test]
fn se_create() {
init().unwrap();
SelfEncrypt::new(TLS_VERSION_1_3, TLS_AES_128_GCM_SHA256).expect("constructor works");
}
const PLAINTEXT: &[u8] = b"PLAINTEXT";
const AAD: &[u8] = b"AAD";
fn sealed() -> (SelfEncrypt, Vec<u8>) {
init().unwrap();
let se = SelfEncrypt::new(TLS_VERSION_1_3, TLS_AES_128_GCM_SHA256).unwrap();
let sealed = se.seal(AAD, PLAINTEXT).expect("sealing works");
(se, sealed)
}
#[test]
fn seal_open() {
let (se, sealed) = sealed();
let opened = se.open(AAD, &sealed).expect("opening works");
assert_eq!(&opened[..], PLAINTEXT);
}
#[test]
fn seal_rotate_open() {
let (mut se, sealed) = sealed();
se.rotate().expect("rotate should be infallible");
let opened = se.open(AAD, &sealed).expect("opening works");
assert_eq!(&opened[..], PLAINTEXT);
}
#[test]
fn seal_rotate_twice_open() {
let (mut se, sealed) = sealed();
se.rotate().expect("rotate should be infallible");
se.rotate().expect("rotate should be infallible");
let res = se.open(AAD, &sealed);
assert_eq!(res.unwrap_err(), Error::SelfEncryptFailure);
}
#[test]
fn damage_version() {
let (se, mut sealed) = sealed();
sealed[0] ^= 0x80;
let res = se.open(AAD, &sealed);
assert_eq!(res.unwrap_err(), Error::SelfEncryptFailure);
}
fn assert_bad_data<T>(res: Result<T, Error>) {
if let Err(Error::NssError { name, .. }) = res {
assert_eq!(name, "SEC_ERROR_BAD_DATA");
}
}
#[test]
fn damage_salt() {
let (se, mut sealed) = sealed();
sealed[4] ^= 0x10;
let res = se.open(AAD, &sealed);
assert_bad_data(res);
}
#[test]
fn damage_ciphertext() {
let (se, mut sealed) = sealed();
sealed[20] ^= 0x2f;
let res = se.open(AAD, &sealed);
assert_bad_data(res);
}
#[test]
fn damage_auth_tag() {
let (se, mut sealed) = sealed();
let idx = sealed.len() - 1;
sealed[idx] ^= 0x3;
let res = se.open(AAD, &sealed);
assert_bad_data(res);
}
#[test]
fn truncate() {
let (se, sealed) = sealed();
let res = se.open(AAD, &sealed[0..(sealed.len() - 1)]);
assert_bad_data(res);
}