martinschmatz

Enhanced observability for TLS ClientHello: ciphers, supported groups, key shares and sigalgs

3

### Your Feature Request OpenSSL allows to get insights into some of the contents of a TLS `ClientHello`, e.g the SNI ([here](https://github.com/haproxy/haproxy/blob/785d5ef3f0f3c63766579b5886699c0566989852/src/payload.c#L1403), [here ](https://github.com/haproxy/haproxy/blob/785d5ef3f0f3c63766579b5886699c0566989852/src/payload.c#L1414) with implementation [here](https://github.com/haproxy/haproxy/blob/785d5ef3f0f3c63766579b5886699c0566989852/src/payload.c#L559)). What is proposed...

# Feature or enhancement ### Proposal: **Context**: Setting multiple curves/groups in the `client hello` of TLS clients. Enabling OpenSSLv3 providers. **Issue**: Function `set_ecdh_curve` allows only to specify a *__single__ curve*...