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-rw-r--r--src/lib/kdf/hkdf/hkdf.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/kdf/hkdf/hkdf.h b/src/lib/kdf/hkdf/hkdf.h
index d8389a886..d4e4006ca 100644
--- a/src/lib/kdf/hkdf/hkdf.h
+++ b/src/lib/kdf/hkdf/hkdf.h
@@ -18,7 +18,7 @@ namespace Botan {
* HKDF, see @rfc 5869 for details
* This is only the expansion portion of HKDF
*/
-class BOTAN_DLL HKDF : public KDF
+class BOTAN_DLL HKDF final : public KDF
{
public:
HKDF(MessageAuthenticationCode* prf) : m_prf(prf) {}