Upgrade your SSH keys!

Whether you're a software developer or a sysadmin, I bet you're using SSH keys. Pushing your commits to GitHub or managing your Unix systems, it's best practice to do this over SSH with public key authentication rather than passwords. However, as time flies, many of you are using older keys and not aware of the need to generate fresh ones to protect your privates much better. In this post I'll dem

[y-kawaz]

rsaとかとっとと捨ててED25519とかに全部切り替えたいのにAWSのキー登録はDSAとRSAだけでECDSAとかED25519を受け付けてくれなくて困る。AmazonLinuxのOpenSSHは普通に対応してるからUserDataでキー登録すりゃ良いとはいえ面倒だ…。

[tmatsuu]

ssh公開鍵のアルゴリズムとしてEd25519のススメ。ほう。ECDSAではなくか。あとでつくる

[Nyoho]

わしも今年やっと ed25519 にした。

[mahata777]

“how to transition to an Ed25519 key”