Download Crypt Edit ShowCrypt Edit is a powerful word processor to replace Windows NotePad and WordPad.It includes interesting function such as cryptography (RC4 algorithms, MD5).
It can also export documents into the following formats: HTML, DOC, WPD, RTF, ASCII (Dos, Win,...
Cryptography - Enigma Show"Never blindly trust a cryptography system" - Gilles Dubertret
The history of Enigma
The need to encrypt messages appeared at the end of World War I (although encryption techniques had already existed for a long time).
It was a Dutchman living in...
Cryptography ShowWhy cryptography?
Mankind has always felt a need to disguise information, even long before the first computers and calculating machines existed.
Since it was created, the Internet has evolved to such a point that it has become an essential...
Edit photos online ShowEdit photos online
Photoshop Online
Sumo
Pixlr
Other links:
Buying Image editing software is often very expensive ... and may discourage more than one amateur who would like to edit his photos. In the tip below you will be provided...
[BootLoader] System dual boot by default Show[BootLoader] System dual boot by default
For Lilo
For Grub
From your "bootloader" to change the default system load up, proceed as follow:
(note that all these procedures are run under "root")
For Lilo
Edit configuration file...
How to make video with your iPhone 3G? ShowHow to make video with your iPhone 3G?
Intro
Record a video
Edit your movie
Intro
A new feature of the iPhone 3G S, is that you can record and edit videos directly on the iPhone.
Recording videos with a normal iPhone
It was...
Download Cool Edit Pro ShowCool Edit Pro is a program to record, mix, edit, you can add special effects in your mix. It will be very useful for generating digital audio like a pro.
Advantage
You will have access to a full burn to edit files sized up to 2GB.
Cool Edit Pro...
Download Video Edit Master ShowVideo Edit Master is an editor of video in format AVI (Divx, Xvid etc) and of files MPEG without quality loss in finale.
Application allows to take up files videos which have the same encoding, the same resolution in a quick manner without...
Private-key (or secret-key) cryptography ShowSymmetric encryption
Symmetric encryption (also called private-key encryption or secret-key encryption) involves using the same key for encryption and decryption.
Encryption involves applying an operation (an algorithm) to the data to be...
Public-key systems Showthe principle of public-key encryption
The principle of asymmetric encryption (also called public-key encryption) first appeared in 1976, with the publication of a work about cryptography by Whitfield Diffie and Martin Hellman.
In an asymmetric...
PGP - Pretty Good Privacy ShowIntroduction to PGP
PGP (Pretty Good Privacy) is a cryptosystem (encryption system) that was invented by Philip Zimmermann, a computer analyst. From 1984 to 1991, Philip Zimmermann worked on a program that made it possible to run RSA on personal...