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> They generate an ed25519-sk key that only resides on the Yubikey, no software required as it works out of the box with both openssh and GitHub How does this

• Androider 5y ago
  You run `ssh-keygen -t ed25519-sk -O resident`, and that's it, no additional software required as of OpenSSH 8.2. If you have an older model Yubikey you can try ecdsa-sk instead. For more details, see: https://github.blog/2021-05-10-security-keys-supported-ssh-git-operations/ https://github.blog/2021-05-10-security-keys-supported-ssh-g... https://www.yubico.com/blog/github-now-supports-ssh-security-keys/ https://www.yubico.com/blog/github-now-supports-ssh-security...