Category Archives: Linux

LUKS: Plausible deniability on crypto containers

Since several years, we have faced a “transparency campaign” on cryptography. That means that the cipher announces itself as an “encrypted container”. This suppose a serious risk by exposing you to a rubber-hose attack.

LUKS (Linux Unified Key Setup) which is used by common Linux distributions is not the exception. But there is a hope to provide some kind of privacy.

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Android OpenVPN CLI flasheable Installer

I developed an openvpn flasheable installer package for android. This OpenVPN,  unlike others in the play store, have the capability to run entirely from a command line based interface. This option was included on CM10.2 but they have dropped it on CM11. Now you can use it again:

Fedora 11 Review

Fedora 11 was released on date June 9, 2009 after a lot of delays caused by bugs in the installer. This new version of fedora is one of the best releases from fedora 1.

The main features are:

  • 20 seconds boot
  • EXT4 used by default
  • Finger print reader capacity enabled on gdm and screen savers
  • Fixes on QEMU and KVM integration
  • Kernel 2.6.29 with 2.6.30 backport
  • Realtime kernel feature, less battery consumption!
  • AES-256 use with XTS-256 by default for whole hard drive cypher
  • Yum presto (Delta RPMS)
  • Per application independent volume control
  • DNS Security
  • Less memory consumption
  • KDE 4.2 (Available from fedora 9 in updates)
  • Firefox 3.5

Next… a review of these features…
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Speeding up or Securing up the Encrypted Root Filesystem on Fedora 10

Fedora, and some others Linux distributions doesn’t provide you any simple way to setup the cypher properties on root filesystem.

Here, we will provide you enough information about the cypher process on fedora and one technique to speed up and/or secure up the cypher using XTS instead CBC-ESSIV
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