Date: Sat, 27 Oct 2007 12:40:00 +0200 From: "Thomas Hobbes" <mymailfloods@googlemail.com> To: freebsd-questions@freebsd.org Subject: Harddisk encryption with geli: key's block size Message-ID: <c4a063eb0710270340i32e24736s88f1ca871fb5a58b@mail.gmail.com>
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Hi, I want to encrypt my mobile computer's data-partition with a passphrase, 128 bit AES and HMAC/MD5. A lot of people use different block sizes to generate keys with dd. There are examples with block sizes of 64, 32k and 128k in geli's man-page, but I couldn't find out why they were used. Spidering 'geli + "key bs"' discovered that there are some more values used, i.e. 128, 512 and 1k. What is a reasonable block size to use? Bye Thomas
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