You may need to touch your authenticator to authorize key generation. Generating public/private ecdsa-sk key pair.
Now you can use two additional key types: ecdsa-sk and ed25519-sk, where the “sk” suffix is short for “security key.” $ ssh-keygen -t ecdsa-sk -C You can password-protect your key and require a security key! According to our data, you likely either use an RSA or ed25519 key. Generating and using security keys for SSH is quite similar to how you generated and used SSH keys in the past. The same SSH keys you already know and love, just a little different Conveniently, security keys themselves happen to be a great recovery option for securely retaining access to your two-factor-enabled account if you lose access to your phone and backup codes. As always, we recommend using a strong password, enrolling in two-factor authentication, and setting up account recovery mechanisms. And unlike web authentication, two-factor authentication is not a requirement when using security keys to authenticate to Git. You don’t need to acquire a separate security key for each use case. Security keys are not limited to a single application, so the same individual security key is available for both web and SSH authentication. This action provides the notion of “ user presence.” You perform a gesture, such as a tap on the security key, to indicate when you intend to use the security key to authenticate. SSH keys that are bound to security keys protect you from accidental private key exposure and malware. When used for SSH operations, security keys move the sensitive part of your SSH key from your computer to a secure external security key. Use your existing security key for Git operations As long as you retain access to the security key, you can be confident that it can’t be used by anyone else for any other purpose. Security keys should be protected as a credential, so keep track of them and you can be confident that you have usable, strong authentication. Much of the data on the key is protected from external access and modification, ensuring the secrets cannot be taken from the security key. When used in a web browser with two-factor authentication enabled, security keys provide a strong, convenient, and phishing-proof alternative to one-time passwords provided by applications or SMS. Most security keys connect via USB, NFC, or Bluetooth.
Github desktop vs git portable#
Security keys, such as the YubiKey, are portable and transferable between machines in a convenient form factor. What are security keys and how do they work? Today we’re taking the next step by shipping support for security keys when using Git over SSH. We’re always on the lookout for new standards that both increase security and usability. We were an early adopter of Universal 2nd Factor (“U2F”) and were also one of the first sites to transition to Webauthn. GitHub has been at the forefront of security key adoption for many years.
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