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To meet my security needs I set up quite long user password on my notebook. But when I am at home or other secure location, typing it down is cumbersome.

It would be nice to let the gdm (or: mdm, since I am using Mint 13 with Mate) search for a specific file (on a pendrive), and when it is present, treat is as a security token and log in me automaticaly with it.

I use encrypted home folders.

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up vote 2 down vote accepted

You want to use pam_usb.

Read more here: http://pamusb.org/

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