ssh-keygen -t rsa -b 4096 ssh-keygen -t dsa ssh-keygen -t ecdsa -b 521 ssh-keygen -t ed25519 Specifying the File Name. Normally, the tool prompts for the file in which to store the key. However, it can also be specified on the command line using the -f
6. Create keys with custom filename. By default ssh-keygen creates private key with the name id_rsa and public key as id_rsa.pub; We can also create keys with custom filename using -f
ssh-keygen is a standard component of the Secure Shell protocol suite found on Unix, Unix-like and Microsoft Windows computer systems used to establish secure shell sessions between remote computers over insecure networks, through the use of various cryptographic techniques. The ssh-keygen utility is used to generate, manage, and convert authentication keys.
· ssh-keygen is also used to generate groups for use in Diffie-Hellman group exchange (DH …
$ ssh-keygen -Us ca_key.pub -I key_id user_key.pub In all cases, key_id is a "key identifier" that is logged by the server when the certificate is used for authentication. Certificates may be limited to be valid for a set of principal (user/host) names.
ssh-keygen will by default write keys in an OpenSSH-specific format. This format is preferred as it offers better protection for keys at rest as well as allowing storage of key comments within the private key file itself. The key comment may be useful to help identify the key.
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