processone / processone/ejabberd

Support ECDSA+RSA dual stack certificates

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#3,822 0 comments 0 reactions 0 assignees View on GitHub

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Component:Security Kind:Feature
Dominant language
Erlang
Stars
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Forks
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PR merge metrics
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Description

Most other programs support to specify two certificates for the same hostname (one RSA certificate and one ECDSA certificate)
(nginx, exim, dovecot, prosody, ...)

Currently only a single certificate can be used for each host when using ejabberd.

This leads to having to decide between better performance (ECDSA cert) or better compatibility (RSA cert)

Please add an option to be able to specify multiple certificates/keys per hostname.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no files, tests, or entry points; start by tracing ejabberd's per-host certificate and key configuration. Done means supporting both RSA and ECDSA certificates for one hostname while preserving compatibility and performance goals, with coverage for the new configuration.

Written by the indexing model from the issue text.

Assessment

Tech stack
erlang
Domain
backend, security
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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