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Re: Encrypting DVD:s and CD:s

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Wow.. That was way cool. Thanks for creating such beautifull software.

Gabriel Jägenstedt wrote:
> Thanks.. I'll take a look at that.
> 
> Jari Ruusu wrote:
> 
>>Gabriel Jägenstedt wrote:
>>
>>
>>>I have the following line in fstab.
>>>/dev/hdc    /mnt/secure iso9660
>>>ro,user,noauto,loop=/dev/loop11,encryption=AES256,gpgkey=/etc/keys/cd_dvdkey.gpg
>>>
>>>What I want is basicly a simple way to encrypt stuff that is off my
>>>drive. I'm sure it is possible to do it in some way writing a simple
>>>script and having one file on the disc but I can't help think there is a
>>>better way.
>>
>>
>>Each CD and DVD must have its own key file. If you use same key file for
>>multiple file systems, you start getting identical ciphertext blocks, which
>>is bad for security.
>>
>>aespipe README example 3.3. shows how to encrypt CDs. It puts a key file at
>>beginning of the CD and specifies offset for encrypted data. If you want to
>>be able to change passphrase afterwards, then encrypt the key file using gpg
>>public-key crypto. Changing gpg private-key passphrase changes your CD/DVD
>>mount passphrase.
>>
>>http://loop-aes.sourceforge.net/aespipe.README
>>
> 
> 
> -
> Linux-crypto:  cryptography in and on the Linux system
> Archive:       http://mail.nl.linux.org/linux-crypto/
> 
> 

-
Linux-crypto:  cryptography in and on the Linux system
Archive:       http://mail.nl.linux.org/linux-crypto/



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