From c0cef3b50b62c9aefe72950f2072cc89ba7ccb3c Mon Sep 17 00:00:00 2001
From: Andreas Fackler <AndreasFackler@gmx.de>
Date: Wed, 27 Jun 2018 14:25:32 +0200
Subject: [PATCH] Avoid redundant key computations.

---
 mod.rs  | 2 +-
 poly.rs | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/mod.rs b/mod.rs
index 29dbb7b..921d202 100644
--- a/mod.rs
+++ b/mod.rs
@@ -223,7 +223,7 @@ impl PublicKeySet {
 
     /// Returns the public key.
     pub fn public_key(&self) -> PublicKey {
-        PublicKey(self.commit.evaluate(0))
+        PublicKey(self.commit.coeff[0])
     }
 
     /// Returns the `i`-th public key share.
diff --git a/poly.rs b/poly.rs
index f03dab6..427832e 100644
--- a/poly.rs
+++ b/poly.rs
@@ -29,7 +29,7 @@ use rand::Rng;
 pub struct Poly {
     /// The coefficients of a polynomial.
     #[serde(with = "super::serde_impl::field_vec")]
-    coeff: Vec<Fr>,
+    pub(super) coeff: Vec<Fr>,
 }
 
 impl<B: Borrow<Poly>> ops::AddAssign<B> for Poly {
@@ -246,7 +246,7 @@ impl Poly {
 pub struct Commitment {
     /// The coefficients of the polynomial.
     #[serde(with = "super::serde_impl::projective_vec")]
-    coeff: Vec<G1>,
+    pub(super) coeff: Vec<G1>,
 }
 
 impl Hash for Commitment {