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NAME
     ssh-add2 - adds identities for the authentication agent


SYNOPSIS
     ssh-add2 [-p] [-l] [-N] [-P] [-I] [-d] [-D] [-L]  [-U]  [-1]
     [-u]  [-f  forwarding  steps] [-F forwarding constraint] [-t
     key timeout in minutes] [-R OpenPGP keyring] [files...]


DESCRIPTION
     ssh-add2 adds identities to the authentication  agent,  ssh-
     agent2.  If  a file requires a passphrase, ssh-add2 asks for
     the passphrase from the user.  If the -p  option  is  given,
     the  passphrase is read from stdin, otherwise if the user is
     using X11, the passphrase is requested  using  a  small  X11
     program.  In  other  cases,  it is read from the user's tty.
     (Note: it may be necessary to redirect stdin from  /dev/null
     to get the passphrase requested using X11.)

     The authentication agent must be  running  and  must  be  an
     ancestor of the current process for ssh-add2 to work.

     If ssh-add2 needs a passphrase, it will read the  passphrase
     from  the  current  terminal, if it was run from a terminal.
     If ssh-add2 does not have a terminal associated with it  but
     DISPLAY  is  set,  it  will  open  an X11 window to read the
     passphrase.  This is particularly useful when  calling  ssh-
     add2  from  a  .Xsession or a related script.  (Note that on
     some machines it may be necessary to redirect the input from
     /dev/null to make this work.)



OPTIONS
     -p   Read passphrase from stdin (or pipe).

     -l   Lists  all  identities  currently  represented  by  the
          agent.

     -N   Keys added/deleted are stored in  the  OpenPGP  keyring
          and identified by key name string.

     -P   Keys added/deleted are stored in  the  OpenPGP  keyring
          and identified by key fingerprint.

     -F   Keys added/deleted are stored in  the  OpenPGP  keyring
          and identified by key id number.

     -d   Instead of adding the identity,  removes  the  identity
          from the agent.

     -D   Deletes all identities from the agent.

     -L   Temporarily locks the agent with a password.

     -U   Unlocks the locked agent.

     -1   The agent is not allowed to use keys  added  with  this
          command in ssh1 compatibility operations.

     -u   The keys added are not read from the file, but  instead
          the  key is given to the agent as URL.  With this func-
          tionality, the agent  can  get  information  about  the
          additional key sources, like smartcards.

     -f forwarding steps
          The key can be used only  through  as  many  forwarding
          steps  as  directed by the argument.  Argument 0 states
          that the key can only be used locally.  Note that  ssh1
          does  not  submit  forwarding information, so with ssh1
          compatibility,  this  constraint  may   not   work   as
          expected.

     -F forwarding constraint
          The argument is a comma separated  list  of  host  name
          patterns  through  which the key can be forwarded.  For
          example, the constraint string "*.ssh.com,rinne.iki.fi"
          states  that  the  key  can be forwarded to any host in
          domain ssh.com and also to host rinne.iki.fi as well as
          used  locally.  Be aware that ssh1 does not submit for-
          warding information, so with ssh1  compatibility,  this
          constraint may not work as expected.

     -t timeout
          The agent is advised to delete the key  after  timeout.
          Timeout is given in minutes.

     -R OpenPGP keyring
          Argument identifies OpenPGP secret keyring file.


RETURN STATUS
     ssh-add2 returns one of the following exit statuses.   These
     may be useful in scripts.

     0    The requested operation was performed successfully.

     1    No connection  could  be  made  to  the  authentication
          agent.   Presumably  there  is  no authentication agent
          active in the execution environment of ssh-add2.

     2    The user did not supply a required passphrase.

     3    An identify file could not be found, was not  readable,
          or was in bad format.

     4    The agent does not have the requested identity.

     5    An unspecified error has occurred; this is a  catch-all
          for errors not listed above.


FILES
     $HOME/.ssh2/identification
          Contains names of the private keys that are to be  used
          in authentication.  See ssh2(1) for more information.

     $HOME/.ssh2/id_KEYTYPE_KEYLEN_X

     $HOME/.ssh2/id_KEYTYPE_KEYLEN_X.pub
          Standard private and public identification key files.



AUTHORS
     SSH Communications Security Corp

     For more information, see http://www.ssh.com.


SEE ALSO
     ssh-agent2(1), ssh-keygen2(1), ssh2(1), sshd2(8)

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