is a kernel module
that adds steganographic encryption to the device mapper. "Steganographic"
means that the encrypted data is hidden to the point that its very
existence can be denied. "Steg works with substrates (devices
containing ciphertext) to export plaintext- containing block devices, known
as aspects, to the user. Without having the key(s), there is no way of
determining how many aspects a substrate contains, or if it contains any
aspects at all.
" The initial release of this module has just been
"The code has only ever been tested on my PC, but it works very
nicely for me and has stopped eating my data, so I figure it's ready for
" See this document [PDF]
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