TLS with client authentication does not send the list of acceptable issuers
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- Dominant language
- C
- Stars
- 32
- Forks
- 39
- Avg merge
- 2h 27m
- Merged PRs (30d)
- 7
Description
No client certificate CA names are sent during the connection initialization.
Tested using: openssl s_client -connect server:port -prexit
Result: "No client certificate CA names sent"
Suggest using the CACert file CN(s) or other parameter with OpenSSL functions set_client_CA_list, add_client_CA, or similar to allow the client to select the correct certificate.
Thanks!
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Research direction
Start by reproducing the connection with openssl s_client -connect server:port -prexit and trace the TLS client-authentication initialization in the C/OpenSSL integration. Determine how the configured CA certificate information is passed to the server; done means the client receives a list of acceptable CA names during connection initialization.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c
- Domain
- networking, security
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100