golang/go

x/crypto/ssh: add support for hostkeys@openssh.com

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#37,245 opened on Feb 16, 2020

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FeatureRequestNeedsFixProposalProposal-AcceptedProposal-Cryptohelp wanted

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Description

The hostkeys@openssh.com extension lets a server notify a client of all its host keys to enable a smooth transition if they have UpdateHostKeys enabled. We should offer it server-side.

Contributor guide

Research direction
Investigate the hostkeys@openssh.com extension specification and implement server side support in x/crypto/ssh.
Tech stack
go
Domain
backendsecurity
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GoSSH
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60