[dm-crypt] two factor authentication with zuluCrypt

.. ink .. mhogomchungu at gmail.com
Mon Oct 17 05:44:03 CEST 2011

I want to add the ability to create create and access volumes using two
factors, a passphrase and a key file. What is the best way to achieve this?

The simplest way to do it i can think of is to read the file and then append
the passphrase at the beginning, in the middle or at the end of it.

Will this be adequate? what is the best way to do this or is it a bad idea?
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