Category Archives: Cryptography

Installing K-Ubuntu 16.04 with LVM+LUKS Full Encryption

Kubuntu and mostly ubuntu installations comes with a very basic installer, and does not allow you to personalize the encryption, by example, if you have windows and linux together in the same hard drive, the installation won’t allow you to dual boot it, it will force you to use the whole disk, removing the existing windows partition.

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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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Alice and bob are no longer online

In the past few years Diffie-Hellman has become unsupported in the main internet websites, do you know the implications?

But this is not the only thing happening, many reputable websites, including banks, social networks and search engines have chosen to continue to support for TLSv1.0 and SSLv2 “for compatibility reasons”

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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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