Name
ssh-keygen
Synopsis
ssh-keygen [options
]
Generate, manage, and convert authentication keys for ssh.
Common Options
-
-b
bits
Specify the number of bits in the key. The minimum is 512 and the default is 1024.
-
-B
Show the bubblebabble digest (a digest represented as a string that looks like real words) for the private or public key file specified with
-f
.-
-c
Change the comment in the private and public key files (for RSA1 keys only).
-
-C
comment
Specify the new comment.
-
-e
Read an OpenSSH private or public key file and write it in SECSH Public Key File Format to standard output for exporting to a commercial SSH.
-
-f
file
Specify the filename of the key file.
-
-i
Read an SSH2-compatible unencrypted private or public key file and write an OpenSSH-compatible key to standard output. Used to import keys from a commercial SSH.
-
-l
Show fingerprint of public or private RSA1 key file specified with
-f
.-
-N
passphrase
Specify the new passphrase.
-
-p
Change the passphrase for a private key file. Prompt for the file, the old passphrase, and twice for the new passphrase.
-
-P
passphrase
Specify the old passphrase.
-
-q
Operate in quiet mode.
-
-t
type
Specify the type of key to create. Possible values of type are rsa1 for SSH1, and rsa or dsa for SSH2.
-
-y
Read a private OpenSSH-format file and print a public key to standard output.
GNU/Linux and Mac OS X Options
-
-D
reader
Download the RSA public key from the smartcard in reader.
-
-U
reader
Upload an existing RSA private key to the smartcard in reader.
Mac OS ...
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