openssh bugs - Sep 2018 - [Bug 2904] New: ssh-keygen -m is accepted also for key generation

https://bugzilla.mindrot.org/show_bug.cgi?id=2904

            Bug ID: 2904
           Summary: ssh-keygen -m is accepted also for key generation
           Product: Portable OpenSSH
           Version: 7.7p1
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Documentation
          Assignee: unassigned-bugs at mindrot.org
          Reporter: jjelen at redhat.com

Then -m switch was used only for the key import and export, but for
some time, it can be also used for key generation. This is important
mostly after the key format change to OpenSSH when one needs a
interoperability with tools not supporting this format.

 * Add the -m to the first synopsis line:

    ssh-keygen [-q] [-m key_format] [-b bits] [-t dsa | ecdsa | ed25519
| rsa] [-N new_passphrase] [-C comment] [-f output_keyfile]

 * Change the description of the -m option to

    Specify a key format for the -i (import), -e (export) conversion
options or -m (key generation) option.

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https://bugzilla.mindrot.org/show_bug.cgi?id=2904

--- Comment #1 from Jakub Jelen <jjelen at redhat.com> ---
The -m switch is also accepted for the passphrase change of ssh-keygen,
which is not documented either.

With the light of the new OpenSSH key format by default, the manual
page for the ssh-keygen should be updated with some simple hint how to
convert PEM to OpenSSH and back, since this is pretty common
requirement, but the manual page is not helpful in this way -- the -i
nor -e do not work and only way I found that worked for me was changing
passphrase to convert to new key format (or old one).

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https://bugzilla.mindrot.org/show_bug.cgi?id=2904

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |djm at mindrot.org
             Blocks|                            |2915
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from Damien Miller <djm at mindrot.org> ---
I've committed some manpage tweaks for these


Referenced Bugs:

https://bugzilla.mindrot.org/show_bug.cgi?id=2915
[Bug 2915] Tracking bug for 8.0 release
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https://bugzilla.mindrot.org/show_bug.cgi?id=2904

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #3 from Damien Miller <djm at mindrot.org> ---
closing resolved bugs as of 8.6p1 release

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