Custom TLS1.3 for Cronet

[Cheng Han]

Hi,

Wondering if it's possible to have customized TLS1.3 for Cronet . 

We are currently exploring the feasibilities of integrating Cronet in our Android App, but we have already had our own implemented TLS 1.3 based on the RFC https://www.rfc-editor.org/rfc/rfc8446 protocol. 

Wondering if Cronet has any settings to work with customizable TLS1.3 or we have to use Cronet's TLS1.3 version.

Please kindly let me know.

Thanks,

Cheng

[David Benjamin]

There are no such settings, no. The net stack comes with a TLS implementation, and we don't support using it with others.

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[Cheng Han]

Thanks for your reply.

We're trying to understand the what features that TLS 1.3 of Cronet are currently providing. 

Wondering other than the standard features as per the RFC8446,  are there any additional features that TLS1.3 for Cronet are providing or it's just simply follow the standard ?

Thanks,

Cheng

[David Benjamin]

Do you have a particular feature in mind? We do implement RFC 8446, but TLS is an extensible protocol and the standard covers a wide variety of behaviors.

[Cheng Han]

Thanks for the reply.

We don't have feature request.

We currently have own TLS implementation, and trying to understand the difference.

Wondering for Cronet, is TLS1.3 enabled by default for all http protocols(http1.1, http2, h3) or just for h3? It seems to me for http1.3, i was able to see the 0-RTT handshake, just would like to confirm.

Thanks,

Cheng

[David Benjamin]

TLS 1.3 is enabled for all protocols. 0-RTT is currently only enabled for QUIC though. We never finished launching that (looking at metrics, diagnosing potential issues, etc.) and it hasn't been a priority.

[Cheng Han]

Hi,

Sorry I have to reply here, seems like I don't have permission to post questions in this group anymore. Can anyone release the permission for me please.

Thanks,

Cheng