From 5060fd97f0f69ae1f55214cfae34839918924f42 Mon Sep 17 00:00:00 2001
From: Dario <dario.rekowski@gmx.de>
Date: Fri, 5 Jun 2020 13:26:06 +0200
Subject: [PATCH] add specific pubkey to hex converter for used with new key
 pair classes

---
 src/cpp/lib/BinHexConverter.cpp | 18 ++++++++++++++++++
 src/cpp/lib/BinHexConverter.h   |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/src/cpp/lib/BinHexConverter.cpp b/src/cpp/lib/BinHexConverter.cpp
index 8f8f78535..cf6608d71 100644
--- a/src/cpp/lib/BinHexConverter.cpp
+++ b/src/cpp/lib/BinHexConverter.cpp
@@ -109,6 +109,24 @@ std::string convertBinToHex(const MemoryBin* data)
 
 	sodium_bin2hex(*hex, hexSize, *data, binSize);
 		
+	std::string hexString((const char*)*hex, hexSize);
+	mm->releaseMemory(hex);
+	return hexString;
+}
+
+std::string convertPubkeyToHex(const unsigned char* pubkey)
+{
+	auto mm = MemoryManager::getInstance();
+	size_t hexSize = crypto_sign_PUBLICKEYBYTES * 2 + 1;
+	size_t binSize = crypto_sign_PUBLICKEYBYTES;
+
+	MemoryBin* hex = mm->getFreeMemory(hexSize);
+	memset(*hex, 0, hexSize);
+
+	size_t resultBinSize = 0;
+
+	sodium_bin2hex(*hex, hexSize, pubkey, binSize);
+
 	std::string hexString((const char*)*hex, hexSize);
 	mm->releaseMemory(hex);
 	return hexString;
diff --git a/src/cpp/lib/BinHexConverter.h b/src/cpp/lib/BinHexConverter.h
index 563f73ea6..7645f16d7 100644
--- a/src/cpp/lib/BinHexConverter.h
+++ b/src/cpp/lib/BinHexConverter.h
@@ -9,6 +9,8 @@ MemoryBin* convertBase64ToBin(const std::string& base64String);
 
 std::string convertBinToBase64(const MemoryBin* data);
 std::string convertBinToHex(const MemoryBin* data);
+//! \param pubkey pointer to array with crypto_sign_PUBLICKEYBYTES size
+std::string convertPubkeyToHex(const unsigned char* pubkey);