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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff)
Pcrypt file encryption GUI
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WhoDo


Joined: 11 Jul 2006
Posts: 4181
Location: Lake Macquarie NSW Australia
PostPosted: Sat 04 Apr 2009, 19:40    Post_subject:  Pcrypt file encryption GUI
Sub_title: ... frontend for bcrypt in Puppy-4.2		  
coolpup has supplied the following file and description:
coolpup wrote:
Pcrypt is designed to be the simplest possible graphical user interface to bcrypt. Bcrypt is a cross-platform file encryption utility which means that encrypted files are portable across all supported operating systems and processors, of which Linux and Win32 are two of them.It is used for encrypting files, and can be used for secure deletion, which is better than any file shredder since the deleted file has been encrypted first. It is available from the menu and from the right-click context menu by default for most of the basic text, image, and audio file types
.
Passphrases must be between 8 and 56 characters and are hashed internally to a 448 bit key (the largest keysize supported by the blowfish algorithm) regardless of the passphrase size. However, all characters supplied are significant since the stronger your passphrase, the more secure your data will be. If you forget the encryption key (passphrase) your file can never be opened again.

By default, bcrypt will compress input files before encryption, remove input files after they are processed (assuming they are processed successfully) and overwrite the original input files with random data three times before deleting them in order to prevent data recovery by unauthorized persons.

Encrypted files will be saved with an extension of .bfe. Any files ending in .bfe will be assumed to be encrypted with bcrypt, and so bcrypt will attempt to decrypt them. Any other input files will be encrypted.

Bcrypt uses the blowfish encryption algorithm published by Bruce Schneier in 1993. For usage options enter bcrypt into a terminal emulator.

Pcrypt was created by coolpup for Puppy Linux and based on bcrypt.

After installation available from menu/Personal.
pcrypt-prescott.pet
Description  Pcrypt GUI frontend for bcrypt utility
 pet

 Download 
Filename  pcrypt-prescott.pet 
Filesize  24.51 KB 
Downloaded  144 Time(s) 

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trapster


Joined: 28 Nov 2005
Posts: 1650
Location: Maine, USA
PostPosted: Sat 04 Apr 2009, 20:12    Post_subject:  
Works well in puppy410

2 things (maybe more):

a) Possible to encrypt directories? It did not seem to want to.

b) A file browser would be handier than dragging.

c) After the file is encrypted, it would be nice to "click" on it to start the decryption.

Good job!
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trapster
Maine, USA

Asus eeepc 1005HA PU1X-BK
Frugal install:Puppeee4.31, Puppy3.0 Retro, Puppy4.10, Slitaz
Currently using Puppeee4.31 w/ wmii
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dogone


Joined: 21 Apr 2008
Posts: 202
Location: Arizona, USA
PostPosted: Sun 05 Apr 2009, 12:23    Post_subject: Pcrypt really needs ccrypt support  
coolpup wrote:
Pcrypt is designed to be the simplest possible graphical user interface to bcrypt.

A great idea and useful applet. I wonder if coolpup can be persuaded to support ccrypt? Ccrypt employs superior encryption and porting Pcrypt to it should not be too difficult (easy for me to say).
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aragon

Joined: 15 Oct 2007
Posts: 1278
Location: Germany
PostPosted: Mon 06 Apr 2009, 09:26    Post_subject:  
trapster wrote:

a) Possible to encrypt directories? It did not seem to want to.


hi trapster,

it seems that bcrypt only works on files.

http://bcrypt.sourceforge.net/

aragon
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trapster


Joined: 28 Nov 2005
Posts: 1650
Location: Maine, USA
PostPosted: Mon 06 Apr 2009, 12:26    Post_subject:  
@ aragon.
Yes, I found that out and added a tar command before encrypting. Had to also change it to be able to browse/pick a dir. I called it Pcrypt-dir. I also added bcrypt to the "Open with" on .bfe files.
Then I use Pcrypt to decrypt the tarred directory and then extract it.
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trapster
Maine, USA

Asus eeepc 1005HA PU1X-BK
Frugal install:Puppeee4.31, Puppy3.0 Retro, Puppy4.10, Slitaz
Currently using Puppeee4.31 w/ wmii
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aragon

Joined: 15 Oct 2007
Posts: 1278
Location: Germany
PostPosted: Mon 06 Apr 2009, 16:07    Post_subject:  
wow!

aragon
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