Encryption has been used for as long as people have been talking and wishing to keep their communications secret. Examples range from trans- position cyphers used by the Spartan military to more modern techniques like DES and AES.
Nowadays people have not one, but dozens of passwords. It can be hard to remember them, and you might lose precious data when you forget them. With PixelCryptor you can encrypt your files and folders with the use of an image.
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