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From: yarodin <yarodin@gmail.com>
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Date: Sat, 22 Sep 2007 22:56:17 +0600
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Subject: Pipes password from kdialog to geli attach
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init:
password=`kdialog --password "Enter the password"`
echo $password|sha256|geli init -s 4096 -P -K - /dev/ad0s1e

atach:
password=`kdialog --password "Enter the password"`
echo $password|sha256|geli attach -p -k - /dev/ad0s1e

Is it very unsecure? May be a better method exists?