Posts with the tag encryption

REINER SCT cyberJack RFID komfort

The REINER SCT cyberJack RFID komfort is a smartcard and RFID card reader popular in Germany as it supports the German identity card and its RFID technology. Here are my notes on the device, some tweaks and how to use it.

Current problems

As of 2011-12-28 I'm having a couple of problems with...

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Transparently Encrypt Folders with encfs

EncFS (on Wikipedia) – a FUSE filesystem – can help encrypt cloud synced folders (using business proof AES or Blowfish algorithms). It operates on smaller blocks (not a single big file) and thus works well with Dropbox, because when only one decrypted file is changed, it won't...

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Sketch of an Advanced HDD / Partition Setup with high availability (mdadm software raid), encryption (dm-crypt) and high flexibility (lvm volume management)

Recently I found an interesting comment on an article about Fedora 16 maybe using btrfs as default file system: The author Vanger explained his current hard disk / partiton setup on a server and how he hopes to get a more efficient system with btrfs. More than the outlook...

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Setup and Using GPG (GnuPG)

http://wiki.ubuntuusers.de/GnuPG
http://www.madboa.com/geek/gpg-quickstart/
https://help.ubuntu.com/community/GnuPrivacyGuardHowto
for further information see http://www.gnupg.org/documentation/
for e.g.: http://www.gnupg.de/gph/en/manual.html

Import a key from somebody else using a textfile

gpg --import key.asc

Check fingerprint

List all imported keys with their fingerprints:

gpg --fingerprint

Sign someones public key

To accept other's messages as authentic you have to...

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