c:\var\client>ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/user/.ssh/id_rsa): client_key
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in client_key.
Your public key has been saved in client_key.pub.
The key fingerprint is:
SHA256:eBU07eoloUWInreyZ2WkYMvBAhISc2OIsiE1gp+iS4E user@localhost
The key's randomart image is:
+---[RSA 3072]----+
|O=*    . o+.     |
|X=.o  . . .o.    |
|+= o o . ...     |
|E.o . B...+ .    |
|...  +.=S* o     |
|..    +.+ = .    |
|..     o + o     |
|.     . o .      |
|       o         |
+----[SHA256]-----+