Merge pull request #437 from EspressoSystems/ax/reshare-vess

Integrate resharing logic with VESS

Author: alxiong

timeboost-crypto/src/feldman.rs

@@ -6,6 +6,7 @@ use ark_serialize::{CanonicalSerialize, SerializationError, serialize_to_vec};
 use ark_std::marker::PhantomData;
 use ark_std::rand::Rng;
 use derive_more::{Deref, From, IntoIterator};
+use multisig::Committee;
 use rayon::prelude::*;
 use serde::{Deserialize, Serialize};
 use serde_with::serde_as;
@@ -33,6 +34,10 @@ impl FeldmanVssPublicParam {
         Self { t, n }
     }
 
+    pub fn from(c: &Committee) -> Self {
+        Self::new(c.one_honest_threshold(), c.size())
+    }
+
     pub fn threshold(&self) -> usize {
         self.t.get()
     }