Add two sources about wireguard for later use

Literaturverweise.bib

@@ -1,5 +1,31 @@
 % Encoding: UTF-8
 
+@InProceedings{wireguard:analysis,
+  author    = {Benjamin Dowling and Kenneth G. Paterson},
+  title     = {A Cryptographic Analysis of the WireGuard Protocol},
+  booktitle = {Applied Cryptography and Network Security - 16th International Conference, {ACNS} 2018, Leuven, Belgium, July 2-4, 2018, Proceedings},
+  year      = {2018},
+  pages     = {3--21},
+  doi       = {10.1007/978-3-319-93387-0\_1},
+  url       = {https://doi.org/10.1007/978-3-319-93387-0\_1},
+  bibsource = {dblp computer science bibliography, https://dblp.org},
+  biburl    = {https://dblp.org/rec/bib/conf/acns/DowlingP18},
+  crossref  = {DBLP:conf/acns/2018},
+  timestamp = {Wed, 13 Jun 2018 14:00:44 +0200},
+}
+
+@InProceedings{wireguard:intro,
+  author    = {Jason A. Donenfeld},
+  title     = {WireGuard: Next Generation Kernel Network Tunnel},
+  booktitle = {24th Annual Network and Distributed System Security Symposium, {NDSS} 2017, San Diego, California, USA, February 26 - March 1, 2017},
+  year      = {2017},
+  url       = {https://www.ndss-symposium.org/ndss2017/ndss-2017-programme/wireguard-next-generation-kernel-network-tunnel/},
+  bibsource = {dblp computer science bibliography, https://dblp.org},
+  biburl    = {https://dblp.org/rec/bib/conf/ndss/Donenfeld17},
+  crossref  = {DBLP:conf/ndss/2017},
+  timestamp = {Tue, 16 Jan 2018 15:44:17 +0100},
+}
+
 @Book{book:debian,
   author       = {Raphaël Hertzog and Roland Mas},
   title        = {The Debian Administrator’s Handbook},