![]() ![]() Ssh-keygen -t ed25519-sk -f ~ /.ssh / -C "macOS key for Linux and FreeBSD servers" Ssh-keygen -t ecdsa-sk # Older YubiKey firmware # YubiKey firmware version 5.2.3+ needed for the following key type # ssh-keygen -t ed25519-sk ![]() For instance, to enable FIDO authenticator algorithms for ssh keys, run:įirst, insert a 2FA USB key into a USB slot and type the following on your client. Creating an SSH key pair protected by Yubicoįor higher security requirements, do enable 2FA hardware tokens such as Yubico. And, the -f option is used to set the filename of the key file as per project needs instead of the default. But, it is possible to use other values such as 4096 for RSA as per your needs. ![]() Generally, 3072 bits is considered sufficient. For RSA keys, the default size is 3072 bits. The -b option specifies the number of bits in the key to create. On the other hand, the key ed25519 is intended to provide attack antagonism comparable to quality. The RSA is most compatible with all sorts of devices. The -t option specifies the type of key to create. Your public key is saved in /home/vivek/.ssh/. Your private key is saved in /home/vivek/.ssh/macbook-pro.key and do not share this file with anyone. Ssh-keygen -t rsa -b 4096 -f ~ /.ssh /macbook-pro.key -C "macOS key for Linux and FreeBSD servers" ![]()
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