6 files changed, 12 insertions, 12 deletions
diff --git a/src/lib/modes/aead/ccm/ccm.h b/src/lib/modes/aead/ccm/ccm.h
index 58ca447e8..8277a8f93 100644
--- a/src/lib/modes/aead/ccm/ccm.h
+++ b/src/lib/modes/aead/ccm/ccm.h
@@ -74,7 +74,7 @@ class BOTAN_DLL CCM_Mode : public AEAD_Mode
 /**
 * CCM Encryption
 */
-class BOTAN_DLL CCM_Encryption : public CCM_Mode
+class BOTAN_DLL CCM_Encryption final : public CCM_Mode
    {
    public:
       /**
@@ -98,7 +98,7 @@ class BOTAN_DLL CCM_Encryption : public CCM_Mode
 /**
 * CCM Decryption
 */
-class BOTAN_DLL CCM_Decryption : public CCM_Mode
+class BOTAN_DLL CCM_Decryption final : public CCM_Mode
    {
    public:
       /**
diff --git a/src/lib/modes/aead/chacha20poly1305/chacha20poly1305.h b/src/lib/modes/aead/chacha20poly1305/chacha20poly1305.h
index f496590af..5aa2dc010 100644
--- a/src/lib/modes/aead/chacha20poly1305/chacha20poly1305.h
+++ b/src/lib/modes/aead/chacha20poly1305/chacha20poly1305.h
@@ -58,7 +58,7 @@ class BOTAN_DLL ChaCha20Poly1305_Mode : public AEAD_Mode
 /**
 * ChaCha20Poly1305 Encryption
 */
-class BOTAN_DLL ChaCha20Poly1305_Encryption : public ChaCha20Poly1305_Mode
+class BOTAN_DLL ChaCha20Poly1305_Encryption final : public ChaCha20Poly1305_Mode
    {
    public:
       size_t output_length(size_t input_length) const override
@@ -74,7 +74,7 @@ class BOTAN_DLL ChaCha20Poly1305_Encryption : public ChaCha20Poly1305_Mode
 /**
 * ChaCha20Poly1305 Decryption
 */
-class BOTAN_DLL ChaCha20Poly1305_Decryption : public ChaCha20Poly1305_Mode
+class BOTAN_DLL ChaCha20Poly1305_Decryption final : public ChaCha20Poly1305_Mode
    {
    public:
       size_t output_length(size_t input_length) const override
diff --git a/src/lib/modes/aead/eax/eax.h b/src/lib/modes/aead/eax/eax.h
index 970bb9d43..e3d942d5e 100644
--- a/src/lib/modes/aead/eax/eax.h
+++ b/src/lib/modes/aead/eax/eax.h
@@ -62,7 +62,7 @@ class BOTAN_DLL EAX_Mode : public AEAD_Mode
 /**
 * EAX Encryption
 */
-class BOTAN_DLL EAX_Encryption : public EAX_Mode
+class BOTAN_DLL EAX_Encryption final : public EAX_Mode
    {
    public:
       /**
@@ -85,7 +85,7 @@ class BOTAN_DLL EAX_Encryption : public EAX_Mode
 /**
 * EAX Decryption
 */
-class BOTAN_DLL EAX_Decryption : public EAX_Mode
+class BOTAN_DLL EAX_Decryption final : public EAX_Mode
    {
    public:
       /**
diff --git a/src/lib/modes/aead/gcm/gcm.h b/src/lib/modes/aead/gcm/gcm.h
index 88afbb43c..ba0d6cad8 100644
--- a/src/lib/modes/aead/gcm/gcm.h
+++ b/src/lib/modes/aead/gcm/gcm.h
@@ -55,7 +55,7 @@ class BOTAN_DLL GCM_Mode : public AEAD_Mode
 /**
 * GCM Encryption
 */
-class BOTAN_DLL GCM_Encryption : public GCM_Mode
+class BOTAN_DLL GCM_Encryption final : public GCM_Mode
    {
    public:
       /**
@@ -78,7 +78,7 @@ class BOTAN_DLL GCM_Encryption : public GCM_Mode
 /**
 * GCM Decryption
 */
-class BOTAN_DLL GCM_Decryption : public GCM_Mode
+class BOTAN_DLL GCM_Decryption final : public GCM_Mode
    {
    public:
       /**
diff --git a/src/lib/modes/aead/ocb/ocb.h b/src/lib/modes/aead/ocb/ocb.h
index 53723a730..92edce970 100644
--- a/src/lib/modes/aead/ocb/ocb.h
+++ b/src/lib/modes/aead/ocb/ocb.h
@@ -73,7 +73,7 @@ class BOTAN_DLL OCB_Mode : public AEAD_Mode
       secure_vector<byte> m_stretch;
    };
 
-class BOTAN_DLL OCB_Encryption : public OCB_Mode
+class BOTAN_DLL OCB_Encryption final : public OCB_Mode
    {
    public:
       /**
@@ -95,7 +95,7 @@ class BOTAN_DLL OCB_Encryption : public OCB_Mode
       void encrypt(byte input[], size_t blocks);
    };
 
-class BOTAN_DLL OCB_Decryption : public OCB_Mode
+class BOTAN_DLL OCB_Decryption final : public OCB_Mode
    {
    public:
       /**
diff --git a/src/lib/modes/aead/siv/siv.h b/src/lib/modes/aead/siv/siv.h
index 8336026cb..d46c7dcfd 100644
--- a/src/lib/modes/aead/siv/siv.h
+++ b/src/lib/modes/aead/siv/siv.h
@@ -67,7 +67,7 @@ class BOTAN_DLL SIV_Mode : public AEAD_Mode
 /**
 * SIV Encryption
 */
-class BOTAN_DLL SIV_Encryption : public SIV_Mode
+class BOTAN_DLL SIV_Encryption final : public SIV_Mode
    {
    public:
       /**
@@ -86,7 +86,7 @@ class BOTAN_DLL SIV_Encryption : public SIV_Mode
 /**
 * SIV Decryption
 */
-class BOTAN_DLL SIV_Decryption : public SIV_Mode
+class BOTAN_DLL SIV_Decryption final : public SIV_Mode
    {
    public:
       /**