1 files changed, 15 insertions, 0 deletions
diff --git a/Swiften/StringCodecs/SHA1.cpp b/Swiften/StringCodecs/SHA1.cpp
index 367f3c9..18fde71 100644
--- a/Swiften/StringCodecs/SHA1.cpp
+++ b/Swiften/StringCodecs/SHA1.cpp
@@ -1,3 +1,7 @@
+#include <sstream>
+#include <iomanip>
+#include <boost/numeric/conversion/cast.hpp>
+
 #include "Swiften/Base/Platform.h"
 
 #pragma GCC diagnostic ignored "-Wold-style-cast"
@@ -193,4 +197,15 @@ ByteArray SHA1::getBinaryHash(const ByteArray& input) {
 	return digest;
 }
 
+String SHA1::getHexHash(const ByteArray& input) {
+	ByteArray digest = getBinaryHash(input);
+	std::ostringstream result;
+	result << std::hex;
+
+	for (unsigned int i = 0; i < digest.getSize(); ++i) {
+		result << std::setw(2) << std::setfill('0') << boost::numeric_cast<unsigned int>(static_cast<unsigned char>(digest[i]));
+	}
+	return String(result.str());
+}
+
 }