[Bug 2323] New: Two factor authentication with two different SSH keys

bugzilla-daemon at mindrot.org bugzilla-daemon at mindrot.org
Wed Dec 3 22:37:33 EST 2014


https://bugzilla.mindrot.org/show_bug.cgi?id=2323

            Bug ID: 2323
           Summary: Two factor authentication with two different SSH keys
           Product: Portable OpenSSH
           Version: 6.7p1
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: sshd
          Assignee: unassigned-bugs at mindrot.org
          Reporter: slavik.dan12 at gmail.com

Hello, I would like to raise an enhacement request to OpenSSH. I need
users to authenticate with two factors, both of them being different
SSH keys. In current OpenSSH 6.2+ configuration this is done be setting
AuthenticationMethods property to „publickey,publickey“ in sshd_config
file. But the problem is that SSH Daemon does not check that different
key was used as first and second factor. In other words, same key can
be used twice. Thank You.

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