Allow for use of openssl instead of aws-lc-rs

[daka1510]

Problem

I prefer to use the SDK, with a custom SSL/crypto provider instead of the default aws-lc-rs backend.

Currently there's a transitive dependency on the default libraries via

ibm-appconfiguration-rust-sdk v0.1.0-rc.0 ()
├── reqwest v0.13.4
│   ├── hyper-rustls v0.27.9
│   │   ├── rustls v0.23.40
│   │   │   ├── aws-lc-rs v1.17.0
│   │   │   │   ├── aws-lc-sys v0.41.0
│   │   │   │   │   [build-dependencies]

Proposed Solution

I would like to be able to disable the dependency on aws-ls-rc and have a feature to enable using openssl. For example, through rustls-openssl crate.

Related

• https://docs.rs/reqwest/latest/reqwest/#optional-features, see rustls-no-provider

[daka1510]

Credits for this proposal/finding go to @scasagrande.