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Alex Gaynor4af5b372015-07-12 10:30:59 -05001X.509
2=====
3
4X.509 is an ITU-T standard for a `public key infrastructure`_. X.509v3 is
5defined in :rfc:`5280` (which obsoletes :rfc:`2459` and :rfc:`3280`). X.509
6certificates are commonly used in protocols like `TLS`_.
7
8.. toctree::
9 :maxdepth: 2
10
11 reference
12
13.. _`public key infrastructure`: https://en.wikipedia.org/wiki/Public_key_infrastructure
14.. _`TLS`: https://en.wikipedia.org/wiki/Transport_Layer_Security