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Extract from an EXE
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Aslan
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PostPosted: Fri Jan 22, 2010 4:22 am    Post subject: Reply with quote

What did you compress it with? Hope you don't mind me asking Rolling Eyes

This is now my favorite password saver app Smile
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LiquidCode
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PostPosted: Fri Jan 22, 2010 4:50 am    Post subject: Reply with quote

Hehe, thanks. I used UPX. I wrote an interface for it and have it in my Send To context menu. Compressing is just a Right Click away. Smile

I'm glad you like it. I think I am going to try to make 1 or 2 more versions. One that uses Blowfish encryption (but that will need an additional DLL so not sure about that one), and another that uses tabs so you can have more than one text file stored. The tab one will prolly take a while as I'm not sure how I am going to go about storing the data for multi tabs.

There is also a hidden feature. If you drag and drop a text file (or any file that is made up of just text) onto an open Self Note window, it will append that text to the end of the edit box.

If you have any other ideas or suggestions, let me know. Smile

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Aslan
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PostPosted: Sat Jan 23, 2010 12:20 am    Post subject: Reply with quote

Geeezzzz... I completely forgot about UPX Shocked

The only recommendation I would suggest for encryption is Dragonsphere's AES DSU which doesn't require extra files.

http://www.vdsworld.com/forum/viewtopic.php?t=4958
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LiquidCode
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PostPosted: Sat Jan 23, 2010 1:24 am    Post subject: Reply with quote

Cool. I'll look into seeing if I can use that DSu. I am adding a few other functions also. I'm trying to keep it as small as I can. I am also trying to make it run faster on startup.
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Chris
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stewcam
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PostPosted: Sat Jan 23, 2010 2:24 am    Post subject: Reply with quote

You may wish to have a look at the excellent DonationCoder utility fSekrit which provides 256-bit encryption and produces an exe that is only 60k plus note size!

http://www.donationcoder.com/Software/Other/fSekrit/
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LiquidCode
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PostPosted: Sat Jan 23, 2010 3:07 am    Post subject: Reply with quote

True, but making one in VDS has been something I have been wanting to do for a while. After being able to make it, I am very happy! Smile
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Last edited by LiquidCode on Sat Jan 23, 2010 4:23 am; edited 1 time in total
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LiquidCode
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PostPosted: Sat Jan 23, 2010 4:02 am    Post subject: Reply with quote

[EDIT]

I am having problems with the AES DSU. It is not decrypting the text correctly. I don't think I'll be using it. Sad Sorry.

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Aslan
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PostPosted: Sat Jan 23, 2010 4:12 am    Post subject: Reply with quote

What is it doing?
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LiquidCode
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PostPosted: Sat Jan 23, 2010 4:37 am    Post subject: Reply with quote

It's just not decrypting all the text right. It's most if it, but not all. It's odd. I've been trying all night to get it to work. I may try again, but for now, I'm just going with the internal encryption.

Here is a new version. 1.3.x.x

http://dl.dropbox.com/u/137938/web/downloads/Self%20Note.exe

This version opens faster, you can double click on a URL and it will open in your default browser and you can also select (or double click) a word and have it search google.

Give it a try and let me know.

Thanks!

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Rubes_sw
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PostPosted: Sat Jan 23, 2010 11:52 am    Post subject: Reply with quote

Hi Chris

Nice program.....

Although i tried to break it Wink sorry....

If you insert text that makes the file size of the exe over 25-30Mb.... its very slow at opening......

But I doubt anyone would need to insert that amount of text....

Good job by the way

nathan
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LiquidCode
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PostPosted: Sat Jan 23, 2010 2:38 pm    Post subject: Reply with quote

Thanks for trying to break it! Smile Wow, that's a lot of text. That would make it go very slow. Maybe I should put "Not meant for extremely large amounts of text". Laughing
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Chris
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vdsalchemist
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PostPosted: Mon Jan 25, 2010 7:37 pm    Post subject: Reply with quote

LiquidCode wrote:
[EDIT]

I am having problems with the AES DSU. It is not decrypting the text correctly. I don't think I'll be using it. Sad Sorry.


Chris,
Are you base64 encoding it first? It works best if the text is base64 encoded. The demo shows how to do that. Also note that this version requires a pass pharse to generate keys. Also note that in Windows Vista and 7 with a few tweaks you should be able to achieve AES 256. XP just does not have this ability and that is why I kept it to 128. Also note that I personally have not tested this under Windows 7 yet. If you want you could send me a few of the lines that you are using to encrypt and decrypt the data maybe I can figure out why it is not working for you. I may need some of the data as well. The code is written to handle both text and binary files and I have encrypted very large amounts for both and validated the results with CRC32 so I am fairly certian it works in XP and Vista but not so certian in Win7.

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LiquidCode
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PostPosted: Mon Jan 25, 2010 9:04 pm    Post subject: Reply with quote

Yes, I used base64. I'm going to take a look again. I'll send you the info if I can't figure it out. Thanks!

I did notice that if I encrypt a string then encrypt another one right after, I get an error message. Non-numeric value at line 328 in the DSU. That is one problem for me as I encrypt the body of the note then another "tag line". I just want to check the "tag line" to verify the password without decrypting all the text first. I am not able to do that because of the error above. If you take the example you posted and encrypt 2 string on after the other you should get the error.

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LiquidCode
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PostPosted: Mon Jan 25, 2010 9:35 pm    Post subject: Reply with quote

I think I may have gotten it to work. I'll get back to you after I do more testing. Smile
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Chris
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LiquidCode
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PostPosted: Mon Jan 25, 2010 10:46 pm    Post subject: Reply with quote

Here is a test version with AES. Please give it a try.

http://dl.dropbox.com/u/137938/web/downloads/Self%20Note_AES%20Version.exe

Looks like if you use a long password, it doesn't work right. Sad

DragonSphere - I may send you the code to see why it would be doing this.

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