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

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/pk_pad/eme_oaep/oaep.h b/src/lib/pk_pad/eme_oaep/oaep.h
index 13e6efeec..22d009f5f 100644
--- a/src/lib/pk_pad/eme_oaep/oaep.h
+++ b/src/lib/pk_pad/eme_oaep/oaep.h
@@ -16,7 +16,7 @@ namespace Botan {
 /**
 * OAEP (called EME1 in IEEE 1363 and in earlier versions of the library)
 */
-class BOTAN_DLL OAEP : public EME
+class BOTAN_DLL OAEP final : public EME
    {
    public:
       size_t maximum_input_size(size_t) const override;