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fix: bug in NoisyCoinFlippingQueue

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Youngjoon Lee 2024-09-10 13:38:19 +09:00
parent 27e0850e77
commit ea29d2a3eb
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GPG Key ID: 167546E2D1712F8C
1 changed files with 12 additions and 6 deletions
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18
mixnet-rs/protocol/src/queue.rs
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@ -302,12 +302,14 @@ impl<T: Copy> Queue<T> for PermutedCoinFlippingQueue<T> {
struct NoisyCoinFlippingQueue<T: Copy> {
queue: MixQueue<T>,
idx: usize,
}
impl<T: Copy> NoisyCoinFlippingQueue<T> {
pub fn new(seed: u64) -> Self {
Self {
queue: MixQueue::new(0, seed),
idx: 0,
}
}
}
@ -323,12 +325,16 @@ impl<T: Copy> Queue<T> for NoisyCoinFlippingQueue<T> {
}
loop {
for i in 0..self.queue.len() {
if self.queue.flip_coin() {
return self.queue.pop(i).unwrap();
} else if i == 0 {
return Message::Noise;
}
if self.idx >= self.queue.len() {
self.idx = 0;
}
if self.queue.flip_coin() {
return self.queue.pop(self.idx).unwrap();
} else if self.idx == 0 {
return Message::Noise;
} else {
self.idx += 1;
}
}
}