drop verifier not used anymore

Identity.cpp

@@ -265,6 +265,13 @@ namespace data
 		}			
 	}	
 	
+	void IdentityEx::DropVerifier ()
+	{
+		auto verifier = m_Verifier;
+		m_Verifier = nullptr; // TODO: make this atomic
+		delete verifier;
+	}
+
 	PrivateKeys& PrivateKeys::operator=(const Keys& keys)
 	{
 		m_Public = Identity (keys);

Identity.h

@@ -135,7 +135,8 @@ namespace data
 			bool Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const;
 			SigningKeyType GetSigningKeyType () const;
 			CryptoKeyType GetCryptoKeyType () const;
-			
+			void DropVerifier (); // to save memory			
+
 		private:
 
 			void CreateVerifier () const;

RouterInfo.cpp

@@ -101,8 +101,12 @@ namespace data
 		{	
 			// verify signature
 			int l = m_BufferLen - m_RouterIdentity.GetSignatureLen ();
-			if (!m_RouterIdentity.Verify ((uint8_t *)m_Buffer, l, (uint8_t *)m_Buffer + l))	
+			if (!m_RouterIdentity.Verify ((uint8_t *)m_Buffer, l, (uint8_t *)m_Buffer + l))
-				LogPrint (eLogError, "signature verification failed");
+			{	
+				LogPrint (eLogError, "signature verification failed");	
+				m_IsUnreachable = true;
+			}
+			m_RouterIdentity.DropVerifier ();
 		}	
 	}