From 6fd36329127c9fc88019e47e6d4840e8b26e8d64 Mon Sep 17 00:00:00 2001
From: Frode Roxrud Gill <frodegill@gmail.com>
Date: Sun, 13 Mar 2022 11:59:02 +0100
Subject: Added utility function to convert byteArray to HEX string. Useful for
 printing fingerprint digests etc.

---
 src/vmime/utility/stringUtils.hpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/vmime/utility/stringUtils.hpp b/src/vmime/utility/stringUtils.hpp
index 46789406..a4b05ec3 100644
--- a/src/vmime/utility/stringUtils.hpp
+++ b/src/vmime/utility/stringUtils.hpp
@@ -29,6 +29,7 @@
 #include "vmime/base.hpp"
 
 #include <sstream>
+#include <iostream>
 
 
 namespace vmime {
@@ -52,6 +53,20 @@ public:
 		return string(reinterpret_cast <const char*>(data), count);
 	}
 
+	/** Makes a HEX string from byteArray.
+	  *
+	  * @param data byteArray containing data
+	  * @return a string object containing a hex copy of the specified data
+	  */
+	static const string makeHexStringFromBytes(const byteArray& data) {
+		std::stringstream ss;
+		for (const byte_t& b : data)
+		{
+			ss << std::hex << int(b);
+		}
+		return ss.str();
+	}
+
 	/** Casts a string to bytes.
 	  *
 	  * @param str string
-- 
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