5 files changed, 21 insertions, 20 deletions
diff --git a/src/lib/modes/aead/ccm/ccm.h b/src/lib/modes/aead/ccm/ccm.h
index 5af5f984d..58ca447e8 100644
--- a/src/lib/modes/aead/ccm/ccm.h
+++ b/src/lib/modes/aead/ccm/ccm.h
@@ -28,7 +28,7 @@ class BOTAN_DLL CCM_Mode : public AEAD_Mode
 
       std::string name() const override;
 
-      size_t update_granularity() const;
+      size_t update_granularity() const override;
 
       Key_Length_Specification key_spec() const override;
 
@@ -38,7 +38,7 @@ class BOTAN_DLL CCM_Mode : public AEAD_Mode
 
       void clear() override;
 
-      size_t tag_size() const { return m_tag_size; }
+      size_t tag_size() const override { return m_tag_size; }
 
    protected:
       const size_t BS = 16; // intrinsic to CCM definition
diff --git a/src/lib/modes/aead/gcm/gcm.h b/src/lib/modes/aead/gcm/gcm.h
index ea3263c0a..8e7ae8b7f 100644
--- a/src/lib/modes/aead/gcm/gcm.h
+++ b/src/lib/modes/aead/gcm/gcm.h
@@ -26,7 +26,7 @@ class BOTAN_DLL GCM_Mode : public AEAD_Mode
 
       std::string name() const override;
 
-      size_t update_granularity() const;
+      size_t update_granularity() const override;
 
       Key_Length_Specification key_spec() const override;
 
@@ -121,11 +121,12 @@ class BOTAN_DLL GHASH : public SymmetricAlgorithm
 
       secure_vector<byte> final();
 
-      Key_Length_Specification key_spec() const { return Key_Length_Specification(16); }
+      Key_Length_Specification key_spec() const override
+         { return Key_Length_Specification(16); }
 
       void clear() override;
 
-      std::string name() const { return "GHASH"; }
+      std::string name() const override { return "GHASH"; }
    private:
       void key_schedule(const byte key[], size_t key_len) override;
 
diff --git a/src/lib/modes/cbc/cbc.h b/src/lib/modes/cbc/cbc.h
index 963e92666..7fbcc8837 100644
--- a/src/lib/modes/cbc/cbc.h
+++ b/src/lib/modes/cbc/cbc.h
@@ -88,7 +88,7 @@ class BOTAN_DLL CTS_Encryption : public CBC_Encryption
 
       size_t minimum_final_size() const override;
 
-      bool valid_nonce_length(size_t n) const;
+      bool valid_nonce_length(size_t n) const override;
    };
 
 /**
@@ -123,7 +123,7 @@ class BOTAN_DLL CTS_Decryption : public CBC_Decryption
 
       size_t minimum_final_size() const override;
 
-      bool valid_nonce_length(size_t n) const;
+      bool valid_nonce_length(size_t n) const override;
    };
 
 }
diff --git a/src/lib/modes/mode_pad/mode_pad.h b/src/lib/modes/mode_pad/mode_pad.h
index c4d5baf2e..91102c66c 100644
--- a/src/lib/modes/mode_pad/mode_pad.h
+++ b/src/lib/modes/mode_pad/mode_pad.h
@@ -63,11 +63,11 @@ class BOTAN_DLL PKCS7_Padding : public BlockCipherModePaddingMethod
                        size_t final_block_bytes,
                        size_t block_size) const override;
 
-      size_t unpad(const byte[], size_t) const;
+      size_t unpad(const byte[], size_t) const override;
 
-      bool valid_blocksize(size_t bs) const { return (bs > 0 && bs < 256); }
+      bool valid_blocksize(size_t bs) const override { return (bs > 0 && bs < 256); }
 
-      std::string name() const { return "PKCS7"; }
+      std::string name() const override { return "PKCS7"; }
    };
 
 /**
@@ -80,11 +80,11 @@ class BOTAN_DLL ANSI_X923_Padding : public BlockCipherModePaddingMethod
                        size_t final_block_bytes,
                        size_t block_size) const override;
 
-      size_t unpad(const byte[], size_t) const;
+      size_t unpad(const byte[], size_t) const override;
 
-      bool valid_blocksize(size_t bs) const { return (bs > 0 && bs < 256); }
+      bool valid_blocksize(size_t bs) const override { return (bs > 0 && bs < 256); }
 
-      std::string name() const { return "X9.23"; }
+      std::string name() const override { return "X9.23"; }
    };
 
 /**
@@ -97,11 +97,11 @@ class BOTAN_DLL OneAndZeros_Padding : public BlockCipherModePaddingMethod
                        size_t final_block_bytes,
                        size_t block_size) const override;
 
-      size_t unpad(const byte[], size_t) const;
+      size_t unpad(const byte[], size_t) const override;
 
-      bool valid_blocksize(size_t bs) const { return (bs > 0); }
+      bool valid_blocksize(size_t bs) const override { return (bs > 0); }
 
-      std::string name() const { return "OneAndZeros"; }
+      std::string name() const override { return "OneAndZeros"; }
    };
 
 /**
@@ -112,11 +112,11 @@ class BOTAN_DLL Null_Padding : public BlockCipherModePaddingMethod
    public:
       void add_padding(secure_vector<byte>&, size_t, size_t) const override {}
 
-      size_t unpad(const byte[], size_t size) const { return size; }
+      size_t unpad(const byte[], size_t size) const override { return size; }
 
-      bool valid_blocksize(size_t) const { return true; }
+      bool valid_blocksize(size_t) const override { return true; }
 
-      std::string name() const { return "NoPadding"; }
+      std::string name() const override { return "NoPadding"; }
    };
 
 BlockCipherModePaddingMethod* get_bc_pad(const std::string& algo_spec);
diff --git a/src/lib/modes/stream_mode.h b/src/lib/modes/stream_mode.h
index 80fec96f9..5450bc37d 100644
--- a/src/lib/modes/stream_mode.h
+++ b/src/lib/modes/stream_mode.h
@@ -50,7 +50,7 @@ class BOTAN_DLL Stream_Cipher_Mode : public Cipher_Mode
          return secure_vector<byte>();
          }
 
-      void key_schedule(const byte key[], size_t length)
+      void key_schedule(const byte key[], size_t length) override
          {
          m_cipher->set_key(key, length);
          }