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use zeroize::Zeroize;
const LEN: usize = 4096;
pub struct Vec {
data: Box<arrayvec::ArrayVec<u8, LEN>>,
_lock: region::LockGuard,
}
impl Default for Vec {
fn default() -> Self {
let data = Box::new(arrayvec::ArrayVec::<_, LEN>::new());
// XXX it'd be nice to handle this better than .unwrap(), but it'd be
// a lot of effort
let lock = region::lock(data.as_ptr(), data.capacity()).unwrap();
Self { data, _lock: lock }
}
}
impl Vec {
pub fn new() -> Self {
Self::default()
}
pub fn data(&self) -> &[u8] {
self.data.as_slice()
}
pub fn data_mut(&mut self) -> &mut [u8] {
self.data.as_mut_slice()
}
pub fn zero(&mut self) {
self.truncate(0);
self.data.extend(std::iter::repeat(0).take(LEN));
}
pub fn extend(&mut self, it: impl Iterator<Item = u8>) {
self.data.extend(it);
}
pub fn truncate(&mut self, len: usize) {
self.data.truncate(len);
}
}
impl Drop for Vec {
fn drop(&mut self) {
self.zero();
self.data.as_mut().zeroize();
}
}
impl Clone for Vec {
fn clone(&self) -> Self {
let mut new_vec = Self::new();
new_vec.extend(self.data().iter().copied());
new_vec
}
}
#[derive(Clone)]
pub struct Password {
password: Vec,
}
impl Password {
pub fn new(password: Vec) -> Self {
Self { password }
}
pub fn password(&self) -> &[u8] {
self.password.data()
}
}
#[derive(Clone)]
pub struct Keys {
keys: Vec,
}
impl Keys {
pub fn new(keys: Vec) -> Self {
Self { keys }
}
pub fn enc_key(&self) -> &[u8] {
&self.keys.data()[0..32]
}
pub fn mac_key(&self) -> &[u8] {
&self.keys.data()[32..64]
}
}
#[derive(Clone)]
pub struct PasswordHash {
hash: Vec,
}
impl PasswordHash {
pub fn new(hash: Vec) -> Self {
Self { hash }
}
pub fn hash(&self) -> &[u8] {
self.hash.data()
}
}
#[derive(Clone)]
pub struct PrivateKey {
private_key: Vec,
}
impl PrivateKey {
pub fn new(private_key: Vec) -> Self {
Self { private_key }
}
pub fn private_key(&self) -> &[u8] {
self.private_key.data()
}
}
#[derive(Clone)]
pub struct ApiKey {
client_id: Password,
client_secret: Password,
}
impl ApiKey {
pub fn new(client_id: Password, client_secret: Password) -> Self {
Self {
client_id,
client_secret,
}
}
pub fn client_id(&self) -> &[u8] {
self.client_id.password()
}
pub fn client_secret(&self) -> &[u8] {
self.client_secret.password()
}
}
|
