diff --git a/Literaturverweise.bib b/Literaturverweise.bib
index 79664ff..615742b 100644
--- a/Literaturverweise.bib
+++ b/Literaturverweise.bib
@@ -36,4 +36,79 @@
   urldate = {2018-07-17},
 }
 
+@TechReport{RFC4302,
+  author       = {S. Kent},
+  title        = {IP Authentication Header},
+  institution  = {RFC Editor},
+  year         = {2005},
+  type         = {RFC},
+  number       = {4302},
+  note         = {\url{http://www.rfc-editor.org/rfc/rfc4302.txt}},
+  month        = {December},
+  url          = {http://www.rfc-editor.org/rfc/rfc4302.txt},
+  howpublished = {Internet Requests for Comments},
+  issn         = {2070-1721},
+  publisher    = {RFC Editor},
+}
+
+@TechReport{RFC4303,
+  author       = {S. Kent},
+  title        = {IP Encapsulating Security Payload (ESP)},
+  institution  = {RFC Editor},
+  year         = {2005},
+  type         = {RFC},
+  number       = {4303},
+  note         = {\url{http://www.rfc-editor.org/rfc/rfc4303.txt}},
+  month        = {December},
+  url          = {http://www.rfc-editor.org/rfc/rfc4303.txt},
+  howpublished = {Internet Requests for Comments},
+  issn         = {2070-1721},
+  publisher    = {RFC Editor},
+}
+
+@TechReport{RFC7321,
+  author       = {D. McGrew and P. Hoffman},
+  title        = {Cryptographic Algorithm Implementation Requirements and Usage Guidance for Encapsulating Security Payload (ESP) and Authentication Header (AH)},
+  institution  = {RFC Editor},
+  year         = {2014},
+  type         = {RFC},
+  number       = {7321},
+  note         = {\url{http://www.rfc-editor.org/rfc/rfc7321.txt}},
+  month        = {August},
+  url          = {http://www.rfc-editor.org/rfc/rfc7321.txt},
+  howpublished = {Internet Requests for Comments},
+  issn         = {2070-1721},
+  publisher    = {RFC Editor},
+}
+
+@TechReport{RFC7296,
+  author       = {C. Kaufman and P. Hoffman and Y. Nir and P. Eronen and T. Kivinen},
+  title        = {Internet Key Exchange Protocol Version 2 (IKEv2)},
+  institution  = {RFC Editor},
+  year         = {2014},
+  type         = {STD},
+  number       = {79},
+  note         = {\url{http://www.rfc-editor.org/rfc/rfc7296.txt}},
+  month        = {October},
+  url          = {http://www.rfc-editor.org/rfc/rfc7296.txt},
+  howpublished = {Internet Requests for Comments},
+  issn         = {2070-1721},
+  publisher    = {RFC Editor},
+}
+
+@TechReport{RFC8247,
+  author       = {Y. Nir and T. Kivinen and P. Wouters and D. Migault},
+  title        = {Algorithm Implementation Requirements and Usage Guidance for the Internet Key Exchange Protocol Version 2 (IKEv2)},
+  institution  = {RFC Editor},
+  year         = {2017},
+  type         = {RFC},
+  number       = {8247},
+  note         = {\url{http://www.rfc-editor.org/rfc/rfc8247.txt}},
+  month        = {September},
+  url          = {http://www.rfc-editor.org/rfc/rfc8247.txt},
+  howpublished = {Internet Requests for Comments},
+  issn         = {2070-1721},
+  publisher    = {RFC Editor},
+}
+
 @Comment{jabref-meta: databaseType:biblatex;}