From 86ccf4c0083c25ed4af48866cea14a6eb1e22a6c Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Thu, 14 Jul 2016 02:05:13 -0400
Subject: [PATCH] Added virtual destruction as first class method guarded on
 CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562. Updated documentation.

---
 fhmqv.h | 4 ++++
 hmqv.h  | 6 +++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/fhmqv.h b/fhmqv.h
index 5d2f5135..8e709f45 100644
--- a/fhmqv.h
+++ b/fhmqv.h
@@ -25,6 +25,10 @@ public:
   typedef typename GroupParameters::Element Element;
   typedef FHMQV_Domain<GROUP_PARAMETERS, COFACTOR_OPTION, HASH> Domain;
 
+#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
+	virtual ~FHMQV_Domain() {}
+#endif
+
   FHMQV_Domain(bool clientRole = true): m_role(clientRole ? RoleClient : RoleServer) {}
 
   FHMQV_Domain(const GroupParameters &params, bool clientRole = true)
diff --git a/hmqv.h b/hmqv.h
index e44e0a24..b9727e58 100644
--- a/hmqv.h
+++ b/hmqv.h
@@ -24,6 +24,10 @@ public:
   typedef typename GroupParameters::Element Element;
   typedef HMQV_Domain<GROUP_PARAMETERS, COFACTOR_OPTION, HASH> Domain;
 
+#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
+	virtual ~HMQV_Domain() {}
+#endif
+
   HMQV_Domain(bool clientRole = true): m_role(clientRole ? RoleClient : RoleServer) {}
 
   HMQV_Domain(const GroupParameters &params, bool clientRole = true)
@@ -294,7 +298,7 @@ private:
 //! \brief Hashed Menezes-Qu-Vanstone in GF(p)
 //! \details This implementation follows Hugo Krawczyk's <a href="http://eprint.iacr.org/2005/176">HMQV: A High-Performance
 //!   Secure Diffie-Hellman Protocol</a>. Note: this implements HMQV only. HMQV-C with Key Confirmation is not provided.
-typedef HMQV_Domain<DL_GroupParameters_GFP_DefaultSafePrime> HashedMQV;
+typedef HMQV_Domain<DL_GroupParameters_GFP_DefaultSafePrime> HMQV_GFP;
 
 NAMESPACE_END