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Cross-Platform Encryption?

Posted by Cliff on from the lowered-barriers-for-information-protection dept.

Dr. Sp0ng asks: "I'm sure a lot of Slashdot readers carry around USB keychain drives or other portable media. What cross-platform encryption solutions have you found for these? The ideal solution would be something which can create a true encrypted disk image in a file, along with Windows and OS X (and perhaps even Linux) standalone executables which can mount these without requiring you to install anything. Obviously something like GnuPG could be used, but it won't let you create an actual mountable filesystem. There are plenty of Windows solutions, and Mac OS X users can simply create an encrypted DMG, but are there any cross-platform solutions out there?"

6 of 57 comments (clear)

  1. Re:Truecrypt by avalys · · Score: 2, Informative

    Ditto. Truecrypt is great, and free.

    They are also coming out with a Linux version in the future, but I don't know of the timeframe.

    Unfortunately, an OS X port is not planned.

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  2. Re:A simple solution by Skuggamara · · Score: 2, Informative

    I believe ZIP is encryptable with AES-256 now. Wouldn't this be considered "good" encryption?

  3. Encrypted DMG on OS X only supports AES-128 by zhenga · · Score: 3, Informative

    Altho Disk Utility on OS X can create encrypted disk images, it only has one encryption method which is AES-128.
    (prove me wrong here, but i've search many times on google to see if other encryption methods were available)

    I once created a 4 GB encrypted sparse disk image, but copying large files to it will always result in an inresponsive OS on my 867MHz G4.

    Maybe a fixed sized image will work better, but what I really want is support for other encryption algorythms so the user can make the trade-off between speed and security/paranoid level. I for one would not mind encrypting a disk with Blowfish only.

    On Windows I use TrueCrypt, I can't wait to see an OS X port of that (and other platforms ofcourse ;)

  4. Previously on Ask Slashdot... by Bogtha · · Score: 5, Informative

    A pretty much identical Ask Slashdot from two years ago: Multi-Platform Encrypted Disk Image Formats?

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  5. Re:A simple solution by Trepalium · · Score: 2, Informative

    Depends on your ZIP utilty. Winzip's AES encryption != pkzip's AES encryption, and I don't think Linux unzip supports either one yet.

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  6. Embedded Damn Small Linux by forsetti · · Score: 3, Informative

    You *have to* check out "Embedded" Damn Small Linux. ~50MB download, extract to your USB key, and run a full blown Linux distro in QEMU (Linux and Windows QEMU included).

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