From c8c6667331e3c521bd96bc137c5f627c40993d4f Mon Sep 17 00:00:00 2001
From: Dario <dario.rekowski@gmx.de>
Date: Fri, 5 Jun 2020 13:25:21 +0200
Subject: [PATCH] add to interface

---
 src/cpp/Crypto/IKeyPair.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/cpp/Crypto/IKeyPair.h b/src/cpp/Crypto/IKeyPair.h
index c942e548c..301337af4 100644
--- a/src/cpp/Crypto/IKeyPair.h
+++ b/src/cpp/Crypto/IKeyPair.h
@@ -14,6 +14,9 @@
 class IKeyPair 
 {
 public:
+	//! \return caller take ownership of return value
+	virtual MemoryBin* sign(const MemoryBin* message) = 0;
+
 
 };