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Debian User
2012-02-23 01:38:40 +01:00
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@@ -46,7 +46,8 @@ A. Contributors
That means that if you distribute an image to several machines, the That means that if you distribute an image to several machines, the
same master key will be used on all of them, regardless of whether same master key will be used on all of them, regardless of whether
you change the passphrases. Do NOT do this! If you do, a root-user you change the passphrases. Do NOT do this! If you do, a root-user
on any of the machines can decrypt all other copies, breaking on any of the machines with a mapped (decrypted) container or a
passphrase on that machine can decrypt all other copies, breaking
security. See also Item 6.15. security. See also Item 6.15.
DISTRIBUTION INSTALLERS: Some distribution installers offer to DISTRIBUTION INSTALLERS: Some distribution installers offer to
@@ -1347,6 +1348,11 @@ http://code.google.com/p/cryptsetup/source/browse/trunk/misc/luks-header-from-ac
RAID-components and the like. These are just the normal problems RAID-components and the like. These are just the normal problems
binary cloning causes. binary cloning causes.
Note that if you need to ship (e.g.) cloned LUKS containers with a
default passphrase, that is fine as long as each container was
individually created (and hence has its own master key). In this
case, changing the default passphrase will make it secure again.
7. Interoperability with other Disk Encryption Tools 7. Interoperability with other Disk Encryption Tools