encapsulate old cipher support layer

git-svn-id: http://encfs.googlecode.com/svn/trunk@95 db9cf616-1c43-0410-9cb8-a902689de0d6

cipher/testing.h

@@ -30,6 +30,13 @@ namespace encfs {
 
 std::string stringToHex(const byte *data, int len);
 
+template <typename T>
+std::string stringToHex(const T& value) {
+  return stringToHex(value.data(), value.size());
+}
+
+void setDataFromHex(byte *out, int size, const char *hex);
+
 }  // namespace encfs
 
 #endif