require n out of m keys/users to authenticate an ssh session?

freeipa / freeipa-community-portal

[ABANDONED] FreeIPA Community Portal extension

GNU General Public License v3.0

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require n out of m keys/users to authenticate an ssh session? #46

Open laghao opened 7 years ago

laghao commented 7 years ago

I'm looking for an option - eventually to extend standard ssh - in such a way that I need (at least) two people/keys out of m possible to authenticate a session instead of one out of m known once...

anyone seen this or know how to do?

I know there is key + password (which is kind of this direction) but not exactly what I'm looking for...