From cae70938d0b450afe8c60ae7a91a24c5046bb2fe Mon Sep 17 00:00:00 2001
From: Alexander Wagner <alexander.wagner@aisec.fraunhofer.de>
Date: Fri, 19 May 2023 19:18:37 +0200
Subject: [PATCH] ascon-aead: Add ascon sponge Zeroize feature

Not zeroizing the state may expose the private key.
---
 ascon-aead/Cargo.toml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ascon-aead/Cargo.toml b/ascon-aead/Cargo.toml
index 70b8eebd..02fb2bab 100644
--- a/ascon-aead/Cargo.toml
+++ b/ascon-aead/Cargo.toml
@@ -20,7 +20,7 @@ subtle = { version = "2", default-features = false }
 zeroize = { version = "1.6", optional = true, default-features = false, features = [
     "derive",
 ] }
-ascon = "0.3"
+ascon = { git = "https://github.com/aewag/sponges", branch = "add-zeroize-ascon", default-features = false }
 
 [dev-dependencies]
 hex = "0.4"
@@ -36,6 +36,7 @@ getrandom = ["aead/getrandom", "rand_core"]
 heapless = ["aead/heapless"]
 rand_core = ["aead/rand_core"]
 stream = ["aead/stream"]
+zeroize = ["dep:zeroize", "ascon/zeroize"]
 
 [package.metadata.docs.rs]
 all-features = true