1 files changed, 8 insertions, 8 deletions
diff --git a/src/lib/stream/chacha/chacha.h b/src/lib/stream/chacha/chacha.h
index 7e4e2b461..df6e1c9c0 100644
--- a/src/lib/stream/chacha/chacha.h
+++ b/src/lib/stream/chacha/chacha.h
@@ -18,26 +18,26 @@ namespace Botan {
 class BOTAN_DLL ChaCha : public StreamCipher
    {
    public:
-      void cipher(const byte in[], byte out[], size_t length);
+      void cipher(const byte in[], byte out[], size_t length) override;
 
-      void set_iv(const byte iv[], size_t iv_len);
+      void set_iv(const byte iv[], size_t iv_len) override;
 
-      bool valid_iv_length(size_t iv_len) const
+      bool valid_iv_length(size_t iv_len) const override
          { return (iv_len == 8 || iv_len == 12); }
 
-      Key_Length_Specification key_spec() const
+      Key_Length_Specification key_spec() const override
          {
          return Key_Length_Specification(16, 32, 16);
          }
 
-      void clear();
-      std::string name() const { return "ChaCha"; }
+      void clear() override;
+      std::string name() const override { return "ChaCha"; }
 
-      StreamCipher* clone() const { return new ChaCha; }
+      StreamCipher* clone() const override { return new ChaCha; }
    protected:
       virtual void chacha(byte output[64], const u32bit input[16]);
    private:
-      void key_schedule(const byte key[], size_t key_len);
+      void key_schedule(const byte key[], size_t key_len) override;
 
       secure_vector<u32bit> m_state;
       secure_vector<byte> m_buffer;