Merge pull request #340 from sine-fdn/polytune/fix-fixed-seed-for-kos-ot

polytune: critical fix, remove fixed seed for OTs

Author: zeitgeist

src/ot.rs

@@ -3,7 +3,6 @@ use crate::ot_core::{self, CorrelatedReceiver, CorrelatedSender, Receiver, Sende
 
 use crate::{block::Block, channel::Channel, crypto::AesRng, mpc::faand::Error};
 
-use rand::SeedableRng;
 use rand_chacha::ChaCha20Rng;
 
 /// Transform Block to u128
@@ -22,7 +21,7 @@ pub(crate) async fn kos_ot_sender(
     p_to: usize,
     shared_rand: &mut ChaCha20Rng,
 ) -> Result<Vec<u128>, Error> {
-    let mut rng = AesRng::seed_from_u64(42);
+    let mut rng = AesRng::new();
     let mut ot = ot_core::KosSender::init(channel, &mut rng, p_to, shared_rand).await?;
 
     let sender_out_block = ot