RFC 9934

Privacy-Enhanced Mail (PEM) File Format for Encrypted ClientHello (ECH), March 2026

File formats:

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Also available: XML file for editing
 
Status:
PROPOSED STANDARD
Author:
S. Farrell
Stream:
IETF
Source:
NON WORKING GROUP

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC9934

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Abstract

Encrypted ClientHello (ECH) key pairs need to be configured into TLS servers, which can be built using different TLS libraries. This document specifies a standard file format for this purpose, similar to how RFC 7468 defines other Privacy-Enhanced Mail (PEM) file formats.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.




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