Transport Layer Security (TLS) Extensions 

(last updated 2008-08-15)

Registries included below:
- ExtensionType Values
- TLS Certificate Types


Registry Name: ExtensionType Values
Reference: [RFC5246]
Registration Procedures: IETF Consensus

Registry:
Value   Extension name                Reference                         Note
------  ----------------------------  --------------------------------  ----------------------------------
0       server_name                   [RFC4366]
1       max_fragment_length           [RFC4366]
2       client_certificate_url        [RFC4366]
3       trusted_ca_keys               [RFC4366]
4       truncated_hmac                [RFC4366]
5       status_request                [RFC4366]
6       user_mapping                  [RFC4681]
7       Reserved                      [draft-housley-tls-authz-extns]   For future use with this document
8       Reserved                      [draft-housley-tls-authz-extns]   For future use with this document
9       cert_type                     [RFC5081] 
10      elliptic_curves               [RFC4492]
11      ec_point_formats              [RFC4492]
12      srp                           [RFC5054]
13      signature_algorithms          [RFC5246]
14-34   Unassigned
35      SessionTicket TLS             [RFC4507] 
 

Registry Name: TLS Certificate Types
Reference: [RFC5081]
Range      Registration Procedures  
---------  ------------------------- 
0-223      IETF Consensus             
224-255    Reserved

Registry:
Value       Description                Reference
----------  -------------------------  ---------
0           X.509                      [RFC5081]
1           OpenPGP                    [RFC5081]
2-223       Unassigned  
224-255     Reserved for Private Use   [RFC5081]


References
----------
[RFC4366]  S. Blake-Wilson, M. Nystrom, D. Hopwood, J. Mikkelsen and T. Wright,
           "Transport Layer Security (TLS) Extensions", RFC 4366, April 2006.

[RFC4492]  S. Blake-Wilson, N. Bolyard, V. Gupta, C. Hawk, and B. Moeller,
           "Elliptic Curve Cryptography (ECC) Cipher Suites for Transport
           Layer Security (TLS)", RFC 4492, May 2006.

[RFC4507]  J. Salowey, H. Zhou, P. Eronen and H. Tschofenig, "Transport Layer 
           Security Session Resumption without Server-Side State", RFC 4507,
           May 2006.

[RFC4681]  S. Santesson, A. Medvinsky and J. Ball, "TLS User Mapping Extension",
           RFC 4681, October 2006.

[draft-housley-tls-authz-extns]
           M. Brown, R. Housley, "Transport Layer Security (TLS) 
           Authorization Extensions".

[RFC5054]  D. Taylor, T. Wu, N. Mavrogiannopoulos and T. Perrin, "Using SRP for 
           TLS Authentication", RFC 5054, November 2007.

[RFC5081]  N. Mavrogiannopoulos, "Using OpenPGP keys for TLS authentication",
           RFC 5081, November 2007.

[RFC5246]  T. Dierks, E. Rescorla, "The Transport Layer Security (TLS) Protocol 
           Version 1.2", RFC 5246, August 2008.
           
(registry created 2005-11-15)

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