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How to encrypt an USB stick?

I want to encrypt my USB hard disk. And I want to do it with open source software. And I want to use only password for decryption. And I want to decrypt it using an Ubuntu 10.04 LiveCD, with no Internet-connection. And I don't want solutions using, for example, DES with 56 bit. At least AES 256 bit, please!

What is the solution?

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marked as duplicate by BloodPhilia, KronoS, random Oct 25 '10 at 17:27

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2 Answers

Check out TrueCrypt.

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"i want to decrypt it using an Ubuntu 10.04 LiveCD, with no internet-connection." –  Anonymous Oct 23 '10 at 23:08
    
You can have the program on the HDD (obviously not encrypting that part of the drive.) –  steinar Oct 23 '10 at 23:13
    
"i want to decrypt it using an Ubuntu 10.04 LiveCD, with no internet-connection." -> plus....i can't even download truecrypt, because the tar.gz file, that contains the sources is corrupt, at least when i want to download it from truecrypt.org..... -> but thank you! –  Anonymous Oct 23 '10 at 23:15
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You want to use LUKS for that. Steps 5 through 7 are the important ones.

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