[JIRA] [ssh-plugin] (JENKINS-30319) SSH - Ed25519 keys not supported

I just bumped into this today when adding a slave node. Seriously, it's been over a year and Jenkins doesn't even support ECDSA.

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dothebart@citadel.org (JIRA)

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Mar 3, 2017, 11:24:01 AM3/3/17

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Wilfried Goesgens commented on

since connectbot seems to support this nowadays (same client lib?)
https://github.com/connectbot/connectbot/issues/69 ; https://github.com/connectbot/sshlib/pull/26/files
shouldn't this just be an upgrade of the libraries?

philrumble@hotmail.com (JIRA)

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Mar 21, 2017, 1:47:01 AM3/21/17

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Phil Rumble commented on

This would be great to have updated!!

Can you see to it?

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me@cafuego.net (JIRA)

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Mar 21, 2017, 6:33:02 PM3/21/17

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Peter Lieverdink commented on

The same goes for other key algorithms.

Or rather, not supporting them is one thing, but showing two pages of stack trace when a user enters one is another thing altogether.

Basic input validation would allow a user to see they entered an unsupported key type without being presented with a stack trace.

dirk.heinrichs@recommind.com (JIRA)

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Dec 22, 2018, 8:00:03 AM12/22/18

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Dirk Heinrichs commented on

It's still the same in 2.150.1. However, I realize it's a feature (or lack thereof) of the underlying JSCH lib, which doesn't support it either. It only supports ecdsa.

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wattersm@watters.ws (JIRA)

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Dec 26, 2018, 12:10:03 PM12/26/18

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Michael Watters commented on

Perhaps it would be nice to warn users that ed25519 keys are not supported.

dirk.heinrichs@recommind.com (JIRA)

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Jan 5, 2019, 6:25:03 AM1/5/19

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Dirk Heinrichs commented on

Seems I was wrong with ecdsa keys. They also don't work.

bguerout@gmail.com (JIRA)

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Jan 17, 2019, 3:50:02 PM1/17/19

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Benoit Guérout commented on

Do you know if https://github.com/jenkinsci/trilead-ssh2/pull/13 is supposed to fix this ?

kuisathaverat@gmail.com (JIRA)

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Jul 15, 2019, 4:52:04 AM7/15/19

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Ivan Fernandez Calvo resolved as Fixed

Jenkins /

SSH - Ed25519 keys not supported

Change By:	Ivan Fernandez Calvo
Status:	Open Resolved
Resolution:	Fixed
Released As:	trilead-ssh2-build-217-jenkins-11