From 2fe4e0d9009467a2a45018ae41f80455fa788a1b Mon Sep 17 00:00:00 2001
From: Sean Bowe <ewillbefull@gmail.com>
Date: Wed, 17 Feb 2021 15:17:23 -0700
Subject: [PATCH] Change personalization of BLAKE2b used in hash_into.

---
 src/plonk.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plonk.rs b/src/plonk.rs
index 639d149..43cacc0 100644
--- a/src/plonk.rs
+++ b/src/plonk.rs
@@ -82,7 +82,7 @@ impl<C: CurveAffine> VerifyingKey<C> {
     pub fn hash_into<T: Transcript<C>>(&self, transcript: &mut T) -> io::Result<()> {
         let mut hasher = Blake2bParams::new()
             .hash_length(64)
-            .personal(C::BLAKE2B_PERSONALIZATION)
+            .personal(b"Halo2-Verify-Key")
             .to_state();
 
         let s = format!("{:?}", self.pinned());