Encrypt files with open standards (i.e. non-proprietary file format) and ease with EncryptOnClick [Windows]

If you’re familiar with encryption programs, you’re probably also familiar how much of a pain it can be to have special software on every computer you want to access encrypted files on. EncryptOnClick is different: while it requires installation, its encrypted files can be easily decrypted with programs like 7-zip.

EncryptOnClick has five main buttons. You can encrypt or decrypt files or folders, and close the program. Choosing to encrypt requires you to enter a password for encryption, and when you’re done choosing, it’ll spit out EOC files. This are actually standard passworded, encrypted archive files, readable by programs like 7-zip. This means that, if at any time in the future, you need the files back but don’t want to reinstall EncryptOnClick, it’s a simple procedure to remove the data.

There’s only one minor downside to EncryptOnClick’s format of choice. When you open it in 7-zip, it gives the filenames clear as day, and there’s no getting around it. This is easily circumvented by just renaming the file before encrypting, and is just something you need to keep in mind.

EncryptOnClick is one of those programs that’s absolutely stunning. It’s simple to use, operates with actual industry standards rather than some wacky offshoot the developer decided to create, and is best of all secure. It uses AES-256 encryption, and is overall an awesome program.

Price: Free!

Version Discovered: v1.4.1.2

Supported OS: Windows unknown

Download size: 1.5MB

VirusTotal malware scan results: 0/42

Portability: Requires installation

EncryptOnClick homepage [To download EncryptOnClick, visit the Download Page and scroll down until you find EncryptOnClick.]

[via AddictiveTips]

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9 comments

  1. Eric

    @Tony:
    Yes, this problem is fairly extensive. Even opening and resaving a simple rtf document with wordpad results in a change to the file. There might not be any type of document that preserves formatting and not save timestamps or whatever is causing the problem, Possibly there is a way to turn this off? For the time being we are basically stuck with text documents and regular keyfiles which should be more than enough for your purposes. Of course you could probably be creative and come up with something better anyway.

  2. Eric

    Sorry Tony. Again this is my theory and an untested one at that. I tried it out now and see that there is a problem with spreadsheets. I tried both Works and Libreoffice and both save way too much detail like cursor position and there is some sort of internal time stamping or something going on. Simply opening the file and resaving it without touching anything results in a different md5 hash of the file. One way around this is to save as a csv file which ignores the excruciating details, but then you have to remember how you saved the file(comma separated or semicolon etc.) and you lose most of what I talked about because it is basically a text file and ignores fonts and colors and all that. You would be better off just editing a normal keyfile.
    If you still want to keep the spreadsheet, you will want to see if their is a better format to save as. One that preserves formatting but ignores the other details. You will have to compare the zillion ways you can save as and see which one’s md5s are not changing just by changing cursor position or even just resaving without any changes.
    Again sorry about that. I did not anticipate these problems. PS don’t worry about file names when checking the md5 or other checksums, stuff like that is ignored.

  3. Tony

    Hi Eric and Dottechies,
    Just found out that keyfile created using spreadsheet
    and Axcrypt having problem!.
    If you changed something in the spreadsheet (keyfile) and save again with Axcrypt, Axcrypt will not re-encrypt it properly ( using Works 9 for spreadsheet in winXP computer), may be I should go with your recommendation of 7-zip/peazip

  4. Tony

    Hi Eric,
    at times when I open (decrypt) a Truecrypted partition, windows asks me whether I want to format, of course I declined and everything is good, just afraid one day my might click through without thinking…!! it doesn’t happen with Truecrypt File container but then it’s easily deleted by mistake!. I don’t have a big need for encryption, just don’t want curious kids to view certain items and they got smarter each day! . I have read Discyptor, it could be good but the website is not very convincing.
    Thank you for spending time helping me and others…you are a marvelous person ( I ‘ll stick with your keyfile recommendation for now, just one is enough LOL)

  5. Eric

    @Tony:
    …continued. My idea is to make the keyfile itself uncrackable to the extent that someone who knew your password and had access to keyfile base would never be able to get the keyfile to work.
    My basic reasoning behind this is to do with the number and position of possible characters you could have chosen.
    Basically your password is as strong as the number of characters to choose from to the power of the length of password. There are about 80 or so characters on keyboard to choose from when count symbols, numbers, and capitals, so if password is 8 characters then there are 80^8 1.7 quadrillion possible combinations.
    In the spreadsheet there are 100^3 1 million places to put secondary password, at least 100 characters to choose from since can use special characters here, hundreds or possibly 1000s of fonts to choose from and 16 million colors to choose for font. So it is 1mil*100*100*16mil =1600 quadrillion 1.6*10e17 possible combinations for even adding one specialized character into keyfile. Adding multiple characters would exponentially increase possible combinations all the way to Crazytown(hint I think we are already there).
    Now if we were to make a million spreadsheets…LOL

  6. Eric

    @Tony:
    Do you mean it asks if you want to format whenever you go to encrypt it? I don’t know anything about that but Locutus reviewed Diskcryptor before. http://dottech.org/windows/77584/encrypt-your-hard-drives-with-diskcryptor-windows/ I really have never did anything like that so I don’t know.
    I don’t know how to create hundreds of keyfiles either, besides just manually doing them one by one with a program like peazip or keepass, but there is probably a way to make multiple at a time. Again it was just an idea I had to confuse people so they wouldn’t know which keyfile to use.
    I think I have had an even better idea on how to make your password keyfile combination unbreakable. Remember that a keyfile can be anything not just a text file with bunches of random characters in it. What if you make a spreadsheet with maybe 100 rows and 100 columns and 100 characters(could settle for just random numbers) in each cell.
    Save that as your base but your actual keyfile would be a variation of that, say add “rabbit” after the third digit of cell y34 and do it in a custom font and color. Use this as your keyfile and securely delete when done. That just leaves the base that only you know how to mod to work. The combination of 100s of fonts and 16 million colors and 1 million places where you could have inserted or deleted text into the spreadsheet would make it unfathomable that it could ever be cracked.

  7. Tony

    Hi Eric and Locutus,
    Is there a good reputable encryption software for entire disk or partiton beside Truecrypt? (Windows keeps asking whether I want to format the partition! and I don’t know how to safeguard it)
    I think you have an excellent idea about the keyfile ( I just keep the keyfile in a U3 Sandisk USB flash ) but how you create hundreds of keyfile? can you elaborate?
    Thanks

  8. Eric

    Or you could just use portable 7zip and encrypt the file names as well.You can either set compression to off or very fast or whatever.
    Better yet you could use portable peazip and use key files in addition to passwords.
    Here is a crazy encryption idea I had for the ultimate in securing your files. Use a password and a key file but create hundreds or thousands or millions of key files and put them in a compressed archive where they would not take up much space and password protect that archive as well. Then you have two passwords and a key file and you are the only one that knows which key file is the right one. On top of that you could make a simple modification to the key file like add the word horse to the beginning of line 23, so that the archived key file would be useless unless the word horse is added back to line 23. This way even if somebody knew both passwords and which key file was correct, they would still have to guess what was missing to get the key file to work.
    There are other concerns to be aware of though like file modified dates and recently opened documents etc. but I’m not getting into all that.