From 0601cf0afc5c1f1407bb5f264b21583404591b8d Mon Sep 17 00:00:00 2001
From: Franziskus Kiefer <franziskuskiefer@gmail.com>
Date: Fri, 9 Jul 2021 10:16:29 +0200
Subject: [PATCH] avoid panic in eddsa verify

---
 evercrypt-rs/src/signature.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/evercrypt-rs/src/signature.rs b/evercrypt-rs/src/signature.rs
index ecc889d..8e6b452 100644
--- a/evercrypt-rs/src/signature.rs
+++ b/evercrypt-rs/src/signature.rs
@@ -101,6 +101,12 @@ pub fn verify(
 ) -> Result<bool, Error> {
     match mode {
         Mode::Ed25519 => {
+            if signature.len() != 64 {
+                return Err(Error::InvalidSignature);
+            }
+            if pk.len() != 32 {
+                return Err(Error::InvalidPoint);
+            }
             let mut key = [0u8; 32];
             key.clone_from_slice(pk);
             let mut sig = [0u8; 64];