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vpncloud
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This commit is contained in:
Dennis Schwerdel 2019-02-22 22:06:01 +01:00
parent e7efd290ad
commit 03c295d0a9
1 changed files with 4 additions and 0 deletions
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4
src/beacon.rs
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@ -93,6 +93,9 @@ impl BeaconSerializer {
} }
fn encrypt_data(&self, data: &mut Vec<u8>) { fn encrypt_data(&self, data: &mut Vec<u8>) {
// Note: the 1 byte seed is only meant to protect from random changes,
// not malicious ones. For full protection, at least 8 bytes (~12
// characters) would be needed.
let seed = sha512(data as &[u8])[0]; let seed = sha512(data as &[u8])[0];
self.mask_with_keystream(data as &mut [u8], TYPE_DATA, seed); self.mask_with_keystream(data as &mut [u8], TYPE_DATA, seed);
data.push(seed ^ self.get_keystream(TYPE_SEED, 0, 0)[0]); data.push(seed ^ self.get_keystream(TYPE_SEED, 0, 0)[0]);
@ -387,6 +390,7 @@ fn decode_invalid() {
assert_eq!(2, ser.decode_internal("juWwKjuWwKhjVTYjbwJjtYAZlMfEj7IDO55LN", None, 2000).len()); assert_eq!(2, ser.decode_internal("juWwKjuWwKhjVTYjbwJjtYAZlMfEj7IDO55LN", None, 2000).len());
} }
#[test] #[test]
fn encode_decode() { fn encode_decode() {
let ser = BeaconSerializer::new(b"vpnc", b"mysecretkey"); let ser = BeaconSerializer::new(b"vpnc", b"mysecretkey");