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How to use miniLock – a simple way to encrypt files

14 Wednesday Jan 2015

Posted by ubahmapk in Geek, HOWTO

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From time to time, I find I need a quick way to send a file with sensitive information in it, but don’t want to bother with PGP or some other file encryption method – usually because the recipient isn’t comfortable with PGP.

Enter miniLock. miniLock is a Chrome app and relies on the combination of your email address and a strong passphrase as your key. This is both a positive and a negative.

That’s great because it means you can encrypt and decrypt files on your Chromebook. It’s bad because most people don’t have good passwords – much less passphrases.

Still, it’s a simple way to encrypt files, and can be used by almost anyone without the need for any sort of indoctrination.

At the risk of making the process more complicated than it really is, I took some screenshots and walked through the installation and encryption process below.

Step 1: Install

Installation is super simple. Visit miniLock.io and click the link to the Chrome App Store

01- Install from website

Click “Add to Chrome”

02 - Add to chrome

Step 2: Launch

Go to your installed Apps in Chrome and click on the light blue padlock

Yes, I'm a baseball fan...

Step 3: Create key

This is done by entering your email address and a strong passphrase.

04 - Login

Step 4: Select file

Your miniLock ID is shown at the bottom of this window. This key can be posted or sent anywhere – and should be if you want others to be able to send you encrypted files with miniLock.

My miniLock ID is UXTFUyqcoM3spXNMtqpZGqqNzjZyZsGiQQwezVH1UYNR5.

Now you can either drag the file you want to encrypt, or click the big square box to find your file.

05 - Add files

Step 5: Encrypt

Paste in the miniLock IDs you want to encrypt the file for. I strongly recommend keeping these in a text file or email someplace. Again, they are not sensitive, so it really doesn’t matter where you keep them. A file in Dropbox would work just fine. 🙂

06 - Add miniLock IDs and encrypt

You can add more miniLock IDs if you need to.

Step 7: Save encrypted file

Once complete, you can download the encyprted file by clicking on the down arrow. This “.minilock” file can be attached to an email or sent via Dropbox or put on a USB stick or stored and distributed anywhere, really.

07 - Download encrypted file

Decrypting

Decrypting a “.minilock” file is just as easy. Simply drag and drop the file onto the window from Step 4. The file will decrypt (assuming it was encrypted to your miniLock ID) and you can download and save the original file.

08 - Download decrypted file

That’s really all there is to it.

While I prefer PGP for encryption, it’s good to have alternatives to work with, so I consider this just another good option.

Donkeys and KPIs

26 Tuesday Mar 2013

Posted by ubahmapk in Geek, JM

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Recently, the NSA declassified 136 issues of their monthly internal publication, “Cryptolog”, and released them in PDF versions for public consumption. (alternate Cryptome archive) As a geek this was/is very exciting for me. 🙂

Without a great deal of time to read through them I decided to briefly peruse the edition published the month I was born (Volume V, No 3 – Yes I’m a young whippersnapper) and quickly moved to the article entitled “I had ‘Animal Crackers in my soup,’ but you’ve got a donkey in your WHAT?“.

What immediately struck me was that we’re still fighting the same mindset: that we can determine the health/security/etc of a given system simply by looking at a few numbers on a regular basis.

Many will not discover, until a “dead donkey” of some sort shows up in their shop, that statistics, as useful as they can be, are not meant to be the end-all. Their purpose is to indicate, hint, or suggest that a problem might exist. They may highlight a known problem or aid a manager in distinguishing between a symptom and an underlying cause. At that point the computerized report has done as much as it can ever do.

Yet we still try to manage to the numbers. Some things never change, I guess.

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