From 45124582e3b964800f0be1f88773dd6f2cafc672 Mon Sep 17 00:00:00 2001
From: Jack Lloyd <lloyd@randombit.net>
Date: Sun, 10 Jan 2016 00:51:48 -0500
Subject: Add final attribute to many classes

In some cases this can offer better optimization, via devirtualization.
And it lets the user know the class is not intended for derivation.

Some discussion in GH #402
---
 src/lib/stream/chacha/chacha.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/lib/stream/chacha/chacha.h')

diff --git a/src/lib/stream/chacha/chacha.h b/src/lib/stream/chacha/chacha.h
index df6e1c9c0..92f8ef035 100644
--- a/src/lib/stream/chacha/chacha.h
+++ b/src/lib/stream/chacha/chacha.h
@@ -15,7 +15,7 @@ namespace Botan {
 /**
 * DJB's ChaCha (http://cr.yp.to/chacha.html)
 */
-class BOTAN_DLL ChaCha : public StreamCipher
+class BOTAN_DLL ChaCha final : public StreamCipher
    {
    public:
       void cipher(const byte in[], byte out[], size_t length) override;
-- 
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