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The time now is Tue 18 Jun 2013, 17:00 All times are UTC - 4 |
 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » Security/Privacy |
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SelfCrypText v2.1
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technosaurus
 Joined: 18 May 2008 Posts: 3845 |
There are other uses for this method. Ever heard of upx or sqeeze? http://source.netsurf-browser.org/?p=squeeze.git;a=summary http://upx.sourceforge.net/ the only difference is that their "encryption" method is just compression. Rather than a small frontend decompressor, you can have any program frontend and embed any data. Unfortunately criminal entities have given steganography a bad name, so we don't see much of this. I'll leave you with that thought to ponder the possibilities. btw, I think my coolest idea yet, was to embed packages onto the end of its own screenshot - it even worked extremely well with thumb-nailer page generator programs for browsing, but then I figured we had enough different package systems already. _________________ Puppy Web Desktop Now with pet packages - Pet Packaging 100 & 101 |
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sc0ttman
 Joined: 16 Sep 2009 Posts: 2199 Location: UK |
Agreed, that was cool. (at least, it's the coolest one I understand) _________________ Akita Linux, VLC-GTK, Pup Search, Pup File Search |
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SFR
 Joined: 26 Oct 2011 Posts: 573 |
@Techno: I heard about UPX. Heard also about tools like PESpin (for Win), which provides encryption too (or is it just password protection??). Once, I was started to code something, somehow related, but for regular files. The idea was to embed files chosen by the user, pack & encrypt them into one, self-extracting container that can be reused later, like SelfCrypText. In fact it was just a bit extended idea of self-extracting .exe archives under Windoze or those shell installers, like "amd-driver-installer.run". But my vision was too fuzzy - I didn't know what I want to achieve actually, so current project status: abandoned. 
I appreciate your tips, maybe something will grow out of them someday...
I'm glad you like it. 
Unfortunately there's some kind of size limit of <edit> in Gtkdialog and when that limit (~128K in my tests) is exceeded strange things happen. 
The workaround could be multiple, separate notes in a list; perhaps I'll try do to something like this in the future. Thanks & Greetings! _________________ [O]bdurate [R]ules [D]estroy [E]nthusiastic [R]ebels => [C]reative [H]umans [A]lways [O]pen [S]ource Omnia mea mecum porto. |
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SFR
Joined: 26 Oct 2011 Posts: 573 |
Initially I thought it'll be easier to implement, but finally here it is. SelfCrypText-v2.1 The general idea remained unchanged, the only (visible) change is handling of multiple notes. Requirements: Gtkdialog >= 0.7.21, Xdialog, openssl + usual set of tools like: cut, grep, tr, sed, awk and so on... Additional info: 1. Each note can be encrypted with its own unique passphrase. 2. Maximum size of single note: ~128K (in my tests). 3. Maximum size of all notes: ~64M (theoretically). 4. Maximum amount of notes: unknown. Known issues: - In "Notes List" if you click empty space (and not specific note), all disabled buttons and fields will become enabled, but even if you write some text, such non-assigned note won't be saved anywhere. - Special characters like: * : | / \ $ ^ & as well as leading and trailing spaces are not allowed in titles; if used anyway - they will be trimmed out and replaced with _. EDIT: Bugfix: Add note -> enter some text -> enter passphrase -> repeat passphrase -> Encrypt/Decrypt -> if passphrases don't match all text vanishes. (Reuploaded after two downloads.) EDIT2: Version 2.1 uploaded, for changelog see the next post. EDIT3: Small bugfix - problems with saving notes due to different 'wc -l' output on some distros. (Reuploaded after 10 downloads.) _________________ Written on Slacko-5.3.3 Have fun & Greetings!
_________________ [O]bdurate [R]ules [D]estroy [E]nthusiastic [R]ebels => [C]reative [H]umans [A]lways [O]pen [S]ource Omnia mea mecum porto. Edited_times_total |
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SFR
Joined: 26 Oct 2011 Posts: 573 |
Update, version 2.1: - Added progressbar during data extracting and saving (it's useful when there's a lot of notes) - Program window is now a bit more flexible (better look when maximized/resized) - One trivial modification and SelfCrypText is compatible with Gtkdialog 0.7.21 again, so there's also a big chance that it'll be more compatible with some other distros (tried in PCLinuxOS - seems to work fine); the only issue is that buttons aren't expanded to fill all available space (in 0.7.21 only). - Lots of minor, internal improvements New version has been attached to my previous post (see above). Greetings! _________________ [O]bdurate [R]ules [D]estroy [E]nthusiastic [R]ebels => [C]reative [H]umans [A]lways [O]pen [S]ource Omnia mea mecum porto. |
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technosaurus
Joined: 18 May 2008 Posts: 3845 |
I missed this comment earlier. You can use /dev/shm too, which most distros including puppy set up as a tmpfs for programs to quickly share data with each other. Just remember to remove temps when finished so you don't prevent other programs using it due to lack of space. _________________ Puppy Web Desktop Now with pet packages - Pet Packaging 100 & 101 |
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SFR
Joined: 26 Oct 2011 Posts: 573 |
Thanks Technosaurus, I didn't know about that 'shared memory' thingy. Looks handy.
Greetings! _________________ [O]bdurate [R]ules [D]estroy [E]nthusiastic [R]ebels => [C]reative [H]umans [A]lways [O]pen [S]ource Omnia mea mecum porto. |
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