customize roots

[flisky]

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Describe the feature

There're three ways in hyper-rustls to customize roots:

• rustls-native-certs
• webpki-roots
• rustls-platform-verifier

aws-smithy-experimental only uses rustls-native-certs, but rustls-native-certs doesn't work on ios & android. And there's no way to customize?

refer: #575

Use Case

upgrade to hyper 1.x and use aws-sdk on mobile platforms

Proposed Solution

Add more feature flags to choose cert providers?

Other Information

No response

Acknowledgements

• [X] I may be able to implement this feature request
• [ ] This feature might incur a breaking change

A note for the community

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