diff -up dclib-0.3.23/dclib/core/cssl.cpp.openssl dclib-0.3.23/dclib/core/cssl.cpp
--- dclib-0.3.23/dclib/core/cssl.cpp.openssl	2009-01-07 23:13:52.000000000 +0100
+++ dclib-0.3.23/dclib/core/cssl.cpp	2009-08-25 14:12:21.000000000 +0200
@@ -86,7 +86,11 @@ void CSSL::DeInitSSLLibrary()
 /** */
 SSL_CTX * CSSL::InitClientCTX()
 {
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+	const SSL_METHOD *method;
+#else
 	SSL_METHOD *method;
+#endif
 	SSL_CTX *ctx = NULL;
 
 	method = SSLv23_client_method();		/* Create new client-method instance */
@@ -109,7 +113,11 @@ SSL_CTX * CSSL::InitClientCTX()
 /** */
 SSL_CTX * CSSL::InitServerCTX()
 {
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+	const SSL_METHOD *method;
+#else
 	SSL_METHOD *method;
+#endif
 	SSL_CTX *ctx = NULL;
 
 	method = SSLv23_server_method();		/* Create new client-method instance */
@@ -130,9 +138,14 @@ SSL_CTX * CSSL::InitServerCTX()
 /** */
 SSL_CTX * CSSL::NewTLSv1ClientCTX()
 {
-	SSL_METHOD * method = TLSv1_client_method();
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+	const SSL_METHOD *method;
+#else
+	SSL_METHOD *method;
+#endif
 	SSL_CTX * ctx = NULL;
 	
+	method = TLSv1_client_method();
 	if ( method != NULL )
 	{
 		ctx = SSL_CTX_new(method);
@@ -149,9 +162,14 @@ SSL_CTX * CSSL::NewTLSv1ClientCTX()
 /** */
 SSL_CTX * CSSL::NewTLSv1ServerCTX()
 {
-	SSL_METHOD * method = TLSv1_server_method();
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+	const SSL_METHOD *method;
+#else
+	SSL_METHOD *method;
+#endif
 	SSL_CTX * ctx = NULL;
 	
+	method = TLSv1_server_method();
 	if ( method != NULL )
 	{
 		ctx = SSL_CTX_new(method);
--- dclib-0.3.23/dclib/core/cssl.cpp.org	2018-09-26 06:27:39.330068940 +0200
+++ dclib-0.3.23/dclib/core/cssl.cpp	2018-09-26 06:31:39.423763528 +0200
@@ -447,7 +447,7 @@ CString CSSL::EncryptData( CSSLObject *
 	CString res;
 	CByteArray bain,baout;
 	int i,tmplen;
-	EVP_CIPHER_CTX ctx;
+	EVP_CIPHER_CTX *ctx;
 
 	// sanity check
 	if ( !SSLObject || (s.IsEmpty()) )
@@ -455,8 +455,11 @@ CString CSSL::EncryptData( CSSLObject *
 		return res;
 	}
 	
-	EVP_CIPHER_CTX_init(&ctx);
-	EVP_EncryptInit(&ctx, EVP_bf_cbc(), SSLObject->m_remotekey, SSLObject->m_remoteiv);
+	ctx = EVP_CIPHER_CTX_new();
+	if (ctx == NULL)
+		return res;
+
+	EVP_EncryptInit(ctx, EVP_bf_cbc(), SSLObject->m_remotekey, SSLObject->m_remoteiv);
 
 	// init input array
 	bain.SetSize(2);
@@ -466,13 +469,13 @@ CString CSSL::EncryptData( CSSLObject *
 	// init output array
 	// input size + cipher_block_size for EVP_EncryptUpdate
 	// plus cipher_block_size for EVP_EncryptFinal
-	baout.SetSize( bain.Size() + ( 2 * EVP_CIPHER_CTX_block_size(&ctx) ) );
+	baout.SetSize( bain.Size() + ( 2 * EVP_CIPHER_CTX_block_size(ctx) ) );
 	//printf("CSSL::EncryptData: wrong old size=%lu new size=%lu\n",bain.Size()*2,baout.Size());
 	i = baout.Size();
 
-	if ( EVP_EncryptUpdate(&ctx, baout.Data(), &i, bain.Data(), bain.Size() ) )
+	if ( EVP_EncryptUpdate(ctx, baout.Data(), &i, bain.Data(), bain.Size() ) )
 	{
-		if ( EVP_EncryptFinal(&ctx, baout.Data()+i, &tmplen) )
+		if ( EVP_EncryptFinal(ctx, baout.Data()+i, &tmplen) )
 		{
 			i+=tmplen;
 			bain.SetSize(0);
@@ -483,7 +486,7 @@ CString CSSL::EncryptData( CSSLObject *
 		}
 	}
 
-	EVP_CIPHER_CTX_cleanup(&ctx);
+	EVP_CIPHER_CTX_free(ctx);
 
 	return res;
 }
@@ -494,7 +497,7 @@ CString CSSL::DecryptData( CSSLObject *
 	CString res;
 	CByteArray bain,baout;
 	int i,tmplen;
-	EVP_CIPHER_CTX ctx;
+	EVP_CIPHER_CTX *ctx;
 
 	// sanity check
 	if ( !SSLObject || (s.IsEmpty()) )
@@ -502,22 +505,25 @@ CString CSSL::DecryptData( CSSLObject *
 		return res;
 	}
 	
-	EVP_CIPHER_CTX_init(&ctx);
-	EVP_DecryptInit(&ctx, EVP_bf_cbc(), SSLObject->m_localkey, SSLObject->m_localiv);
+	ctx = EVP_CIPHER_CTX_new();
+	if (ctx == NULL)
+		return res;
+
+	EVP_DecryptInit(ctx, EVP_bf_cbc(), SSLObject->m_localkey, SSLObject->m_localiv);
 
 	bain.SetSize(0);
 	bain.Append(s.Data(),s.Length());
 
 	if ( CBase64::Decode(&baout,&bain) > 0 )
 	{
-		bain.SetSize( baout.Size() + ( 2 * EVP_CIPHER_CTX_block_size(&ctx) ) );
+		bain.SetSize( baout.Size() + ( 2 * EVP_CIPHER_CTX_block_size(ctx) ) );
 		//printf("CSSL::DecryptData: wrong old size=%lu new size=%lu\n",baout.Size()*2,bain.Size());
 		i = 0;
 
-		if ( EVP_DecryptUpdate(&ctx, bain.Data(), &i, baout.Data(), (int)baout.Size() ) )
+		if ( EVP_DecryptUpdate(ctx, bain.Data(), &i, baout.Data(), (int)baout.Size() ) )
 		{
 			tmplen = 0;
-			if ( EVP_DecryptFinal(&ctx, bain.Data()+i, &tmplen) )
+			if ( EVP_DecryptFinal(ctx, bain.Data()+i, &tmplen) )
 			{
 				i+=tmplen;
 				res.Set((const char*)bain.Data()+2,i-2);
@@ -525,7 +531,7 @@ CString CSSL::DecryptData( CSSLObject *
 		}
 	}
 
-	EVP_CIPHER_CTX_cleanup(&ctx);
+	EVP_CIPHER_CTX_free(ctx);
 
 	return res;
 }