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SSH-ADD(1)                BSD General Commands Manual               SSH-ADD(1)

     ssh-add -- adds private key identities to the authentication agent

     ssh-add [-cDdkLlXxKA] [-t life] [file ...]
     ssh-add -s pkcs11
     ssh-add -e pkcs11

     ssh-add adds private key identities to the authentication agent, ssh-agent(1).  When run without argu-ments, arguments,
     ments, it adds the files ~/.ssh/id_rsa, ~/.ssh/id_dsa, ~/.ssh/id_ecdsa and ~/.ssh/identity.  After
     loading a private key, ssh-add will try to load corresponding certificate information from the filename
     obtained by appending to the name of the private key file.  Alternative file names can be
     given on the command line.

     If any file requires a passphrase, ssh-add asks for the passphrase from the user.  The passphrase is
     read from the user's tty.  ssh-add retries the last passphrase if multiple identity files are given.

     The authentication agent must be running and the SSH_AUTH_SOCK environment variable must contain the
     name of its socket for ssh-add to work.

     The options are as follows:

     -c      Indicates that added identities should be subject to confirmation before being used for authen-tication. authentication.
             tication.  Confirmation is performed by the SSH_ASKPASS program mentioned below.  Successful
             confirmation is signaled by a zero exit status from the SSH_ASKPASS program, rather than text
             entered into the requester.

     -D      Deletes all identities from the agent.

     -d      Instead of adding identities, removes identities from the agent.  If ssh-add has been run with-out without
             out arguments, the keys for the default identities and their corresponding certificates will be
             removed.  Otherwise, the argument list will be interpreted as a list of paths to public key
             files to specify keys and certificates to be removed from the agent.  If no public key is found
             at a given path, ssh-add will append .pub and retry.

     -e pkcs11
             Remove keys provided by the PKCS#11 shared library pkcs11.

     -k      When loading keys into or deleting keys from the agent, process plain private keys only and
             skip certificates.

     -L      Lists public key parameters of all identities currently represented by the agent.

     -l      Lists fingerprints of all identities currently represented by the agent.

     -s pkcs11
             Add keys provided by the PKCS#11 shared library pkcs11.

     -t life
             Set a maximum lifetime when adding identities to an agent.  The lifetime may be specified in
             seconds or in a time format specified in sshd_config(5).

     -X      Unlock the agent.

     -x      Lock the agent with a password.

     -K      When adding identities, each passphrase will also be stored in your keychain.  When removing
             identities with -d, each passphrase will be removed from your keychain.

     -A      Add identities to the agent using any passphrases stored in your keychain.

             If ssh-add needs a passphrase, it will read the passphrase from the current terminal if it was
             run from a terminal.  If ssh-add does not have a terminal associated with it but DISPLAY and
             SSH_ASKPASS are set, it will execute the program specified by SSH_ASKPASS and open an X11 win-dow window
             dow to read the passphrase.  This is particularly useful when calling ssh-add from a .xsession
             or related script.  (Note that on some machines it may be necessary to redirect the input from
             /dev/null to make this work.)

             Identifies the path of a UNIX-domain socket used to communicate with the agent.

             Contains the protocol version 1 RSA authentication identity of the user.

             Contains the protocol version 2 DSA authentication identity of the user.

             Contains the protocol version 2 ECDSA authentication identity of the user.

             Contains the protocol version 2 RSA authentication identity of the user.

     Identity files should not be readable by anyone but the user.  Note that ssh-add ignores identity files
     if they are accessible by others.

     Exit status is 0 on success, 1 if the specified command fails, and 2 if ssh-add is unable to contact
     the authentication agent.

     ssh(1), ssh-agent(1), ssh-keygen(1), sshd(8)

     OpenSSH is a derivative of the original and free ssh 1.2.12 release by Tatu Ylonen.  Aaron Campbell,
     Bob Beck, Markus Friedl, Niels Provos, Theo de Raadt and Dug Song removed many bugs, re-added newer
     features and created OpenSSH.  Markus Friedl contributed the support for SSH protocol versions 1.5 and

BSD                            October 11, 2013                            BSD

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