openresty / openresty/lua-resty-core

ssl_certificate_by_lua_* - ability to read client cipher suite

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#80 2 comments 2 reactions 0 assignees View on GitHub

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Dominant language
Lua
Stars
853
Forks
286
Avg merge
35m
Merged PRs (30d)
1

Description

Since ngx.var.ssl_ciphers (the client-supported cipher suite) is not available in ssl_certificate_by_lua_*, is it possible to export this value in the ssl_certificate_by_lua context for cipher-based negotiation (EC for newer clients, RSA for older ones)?

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First steps

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  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

Start by investigating the ssl_certificate_by_lua_* context and the unavailable ngx.var.ssl_ciphers value. Determine whether the client-supported cipher suite can be exposed for cipher-based negotiation, and verify that the value is available in that context when the work is complete.

Written by the indexing model from the issue text.

Assessment

Tech stack
lua, nginx
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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