From 36b12694751dfb430191993fddc69ccb2fae899e Mon Sep 17 00:00:00 2001
From: M Alghazwi <m.ghazwi@gmail.com>
Date: Thu, 14 May 2026 11:56:12 +0300
Subject: [PATCH] fix domain separation and use simple primitives in examples.

---
 examples/auth.rs           | 9 ++++++---
 examples/simple_example.rs | 9 ++++++---
 src/kdf.rs                 | 2 +-
 3 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/examples/auth.rs b/examples/auth.rs
index 5206e69..09e8a43 100644
--- a/examples/auth.rs
+++ b/examples/auth.rs
@@ -1,12 +1,15 @@
 use anyhow::Result;
 use rand_core::{OsRng, RngCore};
+use lioness_blockcipher::cipher::Aes128CtrStreamCipher;
+use lioness_blockcipher::kdf::DomSepSha256Kdf;
+use lioness_blockcipher::keyed_hash::Sha256PrependKey;
 use lioness_blockcipher::lioness::SEC_PARAM;
 use lioness_blockcipher::prelude::*;
 
 type TestLioness = Lioness::<
-    ChaCha20StreamCipher,
-    KeyedBlake2b,
-    TurboShake128Kdf
+    Aes128CtrStreamCipher,
+    Sha256PrependKey,
+    DomSepSha256Kdf,
 >;
 
 fn prepend_before_enc() -> Result<()>{
diff --git a/examples/simple_example.rs b/examples/simple_example.rs
index e6b20fc..5e88a88 100644
--- a/examples/simple_example.rs
+++ b/examples/simple_example.rs
@@ -1,9 +1,12 @@
 use rand_core::{OsRng, RngCore};
+use lioness_blockcipher::cipher::Aes128CtrStreamCipher;
+use lioness_blockcipher::kdf::DomSepSha256Kdf;
+use lioness_blockcipher::keyed_hash::Sha256PrependKey;
 use lioness_blockcipher::prelude::*;
 type TestLioness = Lioness::<
-    ChaCha20StreamCipher,
-    KeyedBlake2b,
-    TurboShake128Kdf
+    Aes128CtrStreamCipher,
+    Sha256PrependKey,
+    DomSepSha256Kdf,
 >;
 
 fn main() -> anyhow::Result<()> {
diff --git a/src/kdf.rs b/src/kdf.rs
index e092cf0..4a3608e 100644
--- a/src/kdf.rs
+++ b/src/kdf.rs
@@ -63,7 +63,7 @@ const LIONESS_ROUND_KEY_DOMAINS: [&[u8]; 4] = [
     b"lioness-key1",
     b"lioness-key2",
     b"lioness-key3",
-    b"lionesskey4",
+    b"lioness-key4",
 ];
 impl LionessKdf for DomSepSha256Kdf {
     fn derive_keys(master_key: &Key256) -> anyhow::Result<RoundKeys> {