5 .\" Author: Tatu Ylonen <ylo@cs.hut.fi>
7 .\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
8 .\" All rights reserved
10 .\" Created: Sat Apr 22 23:55:14 1995 ylo
14 .Dd September 25, 1999
19 .Nd adds RSA or DSA identities for the authentication agent
26 adds RSA or DSA identities to the authentication agent,
28 When run without arguments, it adds the file
29 .Pa $HOME/.ssh/identity .
30 Alternative file names can be given on the command line.
31 If any file requires a passphrase,
33 asks for the passphrase from the user.
34 The Passphrase it is read from the user's tty.
36 The authentication agent must be running and must be an ancestor of
37 the current process for
41 The options are as follows:
44 Lists fingerprints of all identities currently represented by the agent.
46 Lists public key parameters of all identities currently represented by the agent.
48 Instead of adding the identity, removes the identity from the agent.
50 Deletes all identities from the agent.
54 .It Pa $HOME/.ssh/identity
55 Contains the RSA authentication identity of the user.
56 This file should not be readable by anyone but the user.
59 ignores this file if it is accessible by others.
61 specify a passphrase when generating the key; that passphrase will be
62 used to encrypt the private part of this file.
63 This is the default file added by
65 when no other files have been specified.
66 .It Pa $HOME/.ssh/id_dsa
67 Contains the DSA authentication identity of the user.
71 .It Ev "DISPLAY" and "SSH_ASKPASS"
74 needs a passphrase, it will read the passphrase from the current
75 terminal if it was run from a terminal.
78 does not have a terminal associated with it but
82 are set, it will execute the program specified by
84 and open an X11 window to read the passphrase.
85 This is particularly useful when calling
90 (Note that on some machines it
91 may be necessary to redirect the input from
95 Tatu Ylonen <ylo@cs.hut.fi>
98 is a derivative of the original (free) ssh 1.2.12 release, but with bugs
99 removed and newer features re-added.
100 Rapidly after the 1.2.12 release,
101 newer versions bore successively more restrictive licenses.
102 This version of OpenSSH
105 has all components of a restrictive nature (i.e., patents)
106 directly removed from the source code; any licensed or patented components
110 has been updated to support ssh protocol 1.5.
112 contains added support for
114 authentication and ticket passing.
116 supports one-time password authentication with