1 files changed, 3 insertions, 0 deletions
diff --git a/vmac.h b/vmac.h
index 3c6bb858..e2d15d11 100644
--- a/vmac.h
+++ b/vmac.h
@@ -2,6 +2,7 @@
 
 //! \file vmac.h
 //! \brief Classes for the VMAC message authentication code
+//! \since Crypto++ 5.5
 
 #ifndef CRYPTOPP_VMAC_H
 #define CRYPTOPP_VMAC_H
@@ -20,6 +21,7 @@ NAMESPACE_BEGIN(CryptoPP)
 
 //! \class VMAC_Base
 //! \brief VMAC message authentication code base class
+//! \since Crypto++ 5.5
 class VMAC_Base : public IteratedHashBase<word64, MessageAuthenticationCode>
 {
 public:
@@ -74,6 +76,7 @@ protected:
 //! \details The implementation is based on Ted Krovetz's public domain vmac.c
 //!   and <a href="http://tools.ietf.org/html/draft-krovetz-vmac-01">draft-krovetz-vmac-01.txt</a>.
 //! \sa <a href="http://www.cryptolounge.org/wiki/VMAC">VMAC</a>.
+//! \since Crypto++ 5.5
 template <class T_BlockCipher, int T_DigestBitSize = 128>
 class VMAC : public SimpleKeyingInterfaceImpl<VMAC_Base, SameKeyLengthAs<T_BlockCipher, SimpleKeyingInterface::UNIQUE_IV, T_BlockCipher::BLOCKSIZE> >
 {