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I created an Ed25519 SSH key pair with OpenSSH on Windows Subsystem Linux (WSL) and I would like to use it to SFTP into my Ubuntu16 VPS; I have now noticed that as of */12/2016, WinSCP (latest version: 5.9.3) doesn't process these keys naturally.
I could hope to export it to .ppk
with Putty but as of today, Putty does not support working with Ed25519.
Is there any setting or plugin for WinSCP to support this authentication method?
Hi. Even after conversion I can't use the key (authentication failure). I also can't create Ed25519 keys with Puttygen, so it seem not to. It's the most latest version (0.67). – JohnDoea – 2016-12-27T08:11:36.787
Are you sure it is in the latest version? The commit that supposedly added the ed25519 support modifies the sshecc.c file, but that doesn't seem to exist in the 0.67 tag. I am guessing this is a dev branch only feature?
– Zoredache – 2016-12-27T08:24:39.580Maybe... I think I'll just use rsa-4096 for now, it seems to be experimental in these aforementioned software and I really want to keep using WinSCP so RSA 4096 seems as my best option. – JohnDoea – 2016-12-27T08:36:52.127
@Zoredache You are right. I've fixed my answer. – Martin Prikryl – 2016-12-27T09:00:21.313