TrueCrypt's plausible deniability system is dependent on a passphrase instead of an auth key iirc. Another likely difference is that truecrypt works. Neither

TrueCrypt's plausible deniability system is dependent on a passphrase instead of an auth key iirc. Another likely difference is that truecrypt works. Neither will stand up to scrutiny for the purposes of deniability. It's obscurity which is effective in the scenarios that the docs outline below. http://www.truecrypt.org/docs/?s=plausible-deniability http://www.truecrypt.org/docs/?s=plausible-deniability