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| author |   Mathias Hall-Andersen <mathias@hall-andersen.dk> | 2019-08-31 15:03:14 +0200 |
|---|---|---|
| committer | Mathias Hall-Andersen <mathias@hall-andersen.dk> | 2019-08-31 15:03:14 +0200 |
| commit | 51179f5433fbc1617d59e25493a22072c0987726 (patch) | |
| tree | 3034f4ca9d35da77c55750e5c0c058bafeea22ff /src/types/keys.rs | |
| parent | Move to RustCrypto AEAD crate for handshake (diff) | |
| download | wireguard-rs-51179f5433fbc1617d59e25493a22072c0987726.tar.xz wireguard-rs-51179f5433fbc1617d59e25493a22072c0987726.zip | |
Better management of key material
Diffstat (limited to 'src/types/keys.rs')
| -rw-r--r-- | src/types/keys.rs | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/types/keys.rs b/src/types/keys.rs index c39816c..d2c4139 100644 --- a/src/types/keys.rs +++ b/src/types/keys.rs @@ -1,15 +1,23 @@ +use clear_on_drop::clear::Clear; use std::time::Instant; /* This file holds types passed between components. * Whenever a type cannot be held local to a single module. */ -#[derive(Debug, Clone, Copy)] +#[derive(Debug, Clone)] pub struct Key { pub key: [u8; 32], pub id: u32, } +// zero key on drop +impl Drop for Key { + fn drop(&mut self) { + self.key.clear() + } +} + #[cfg(test)] impl PartialEq for Key { fn eq(&self, other: &Self) -> bool { @@ -17,7 +25,7 @@ impl PartialEq for Key { } } -#[derive(Debug, Clone, Copy)] +#[derive(Debug, Clone)] pub struct KeyPair { pub birth: Instant, // when was the key-pair created pub initiator: bool, // has the key-pair been confirmed? |