[New-bugs-announce] [issue34847] asyncio: Add PHA for TLS 1.3

[Fantix King]

New submission from Fantix King <fantix.king at gmail.com>:

This was raised in GH-9460 where the same post handshake authentication (PHA) was added to the ssl module. It should be added to asyncio too. This issue is to discuss the design of PHA API in asyncio, and implement it in Python 3.8.

One approach is to add _SSLProtocolTransport.verify_client_post_handshake(), but an additional new transport mixin type to asyncio/transports.py would be needed (Yury).

Yury also proposed another option to use get_extra_info() API to get something like an "SSLExtra" object with additional APIs.

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components: asyncio
messages: 326700
nosy: asvetlov, fantix, yselivanov
priority: normal
severity: normal
status: open
title: asyncio: Add PHA for TLS 1.3
type: behavior
versions: Python 3.8

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<https://bugs.python.org/issue34847>
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