Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- sec:tls [2017/10/11 15:16] – [OpenSSL] admin
+++ sec:tls [2024/04/01 14:04] (aktuell) – [Analyse des Protokolls:] admin
@@ Zeile 1: / Zeile 1: @@
 ====== Transport Layer Security (TLS) ======
+  * [[https://youtu.be/Ikv2G2Zm01s|IXIA: Understanding TLS 1.3]]
-===== Analyse & Wireshark-Tipps: =====
+  * [[https://media.defense.gov/2021/Jan/05/2002560140/-1/-1/0/ELIMINATING_OBSOLETE_TLS_UOO197443-20.PDF|NSA: Eliminating Obsolete Transport Layer Security (TLS) Protocol Configurations]]
+===== Analyse des Protokolls: =====
   * http://www.moserware.com/2009/06/first-few-milliseconds-of-https.html
+  * https://www.cloudflare.com/de-de/learning/ssl/what-happens-in-a-tls-handshake/
   * http://blog.fourthbit.com/2014/12/23/traffic-analysis-of-an-ssl-slash-tls-session
+  * https://albertx.mx/https-connections-browsers/
+  * https://albertx.mx/https-handshake/
+<code bash>
+openssl s_client -state -connect google.de:443
+# danach
+GET / HTTP/1.1
+Host: www.google.de
+</code>
+===== Wireshark-Tipps: =====
   * https://wiki.wireshark.org/SSL
   * https://jimshaver.net/2015/02/11/decrypting-tls-browser-traffic-with-wireshark-the-easy-way/
   * https://lekensteyn.nl/files/wireshark-ssl-decryption.pdf
+  * https://osqa-ask.wireshark.org/questions/24489/ssl-handshake-certificate-hidden
+===== Testservices =====
-==== Testservices ====
   * https://www.ssllabs.com/ssltest/
@@ Zeile 29: / Zeile 40: @@
 ===== OpenSSL =====
-Dekodierung eines PEM-kodierten SSL Zertifikats:
+**''.cer''** oder  **''.crt''** Dateien speichern X.509 Zertifikate in **DER** oder **BASE-64** (PEM) encoding.
+Anzeige eines PEM (Base-64)-kodierten SSL Zertifikats:
 <code bash>
- openssl x509 -in certificate.crt -text -noout
+openssl x509 -text -noout -in certificate.pem
 </code>
+Anzeige eines binären DER-kodierten SSL Zertifikats:
+<code bash>
+openssl x509 -text -noout -in certificate.der -inform DER
+</code>
+Umwandlung eines DER-kodierten Zertifikats in BASE-64 Kodierung
+<code bash>
+openssl x509 -inform DER -in certificate.cer -out certificate.pem
+</code>
 ==== Set up your own Certificate Authority (CA) ====
   * https://jamielinux.com/docs/openssl-certificate-authority/index.html
+  * https://www.phildev.net/ssl/
+==== Certificate Enrolment ====
+  * https://tools.ietf.org/html/draft-gutmann-scep-10
+==== Certificate Management ====
+  * https://github.com/hashicorp/vault
+  * https://news.ycombinator.com/item?id=14321498