I think about a whole lot of stuff during the day. One is how to encrypt information. Although not mathematically (I am by no way a specialist on that matter... I simply let my mind wander thinking about hiding stuff). More the classic paper versions and classic paper versions adapted to online. Best is when you don't even know there is somthing hidden.
Here. A copy from the first paragraph from wikipedia. I will encrypt a message in it:
In cryptography, encryption is the process of transforming information (referred to as plaintext) using an algorithm (called a cipher) to make it unreadable to anyone except those possessing special knowledge, usually referred to as a key. The result of the process is encrypted information (in cryptography, referred to as ciphertext). In many contexts, the word encryption also implicitly refers to the reverse process, decryption (e.g. “software for encryption” can typically also perform decryption), to make the encrypted information readable again (i.e. to make it unencrypted).
I simply added an extra space in front of each word I wanted to have in the message. Double spaces happen on accident in text too so I doubt a computer would try to analyse the number of spaces in a text. It is more obvious in a font where each symbol has the same width.
Highlight for the text: The knowledge is reverse to information.
Another variation for paper would be to use a special font that has "normal" letters and "broken" letters. Broken letters print as if the printer made a printing error (missing a tiny part of the letter, have horizontal lines in it, slightly faded etc.)
The recipient would simply look for a certain type of error (or errors) to read the message. The normal letter have tiny errors too to make it not too obvious.
Again if somebody wants to decipher it (if he knows it is a secret code) he might type it into the computer (or have the computer read it from a scan). And then the code is uncrackable as it was deleted when it was entered into the computer. You'd have to see each letter as a picture (like hiroglyphs) and feed that to the computer.
One method using excel.
You write your message somewhere into the sheet (which is huge: 16384 columns by 1048576 rows in the newest version).
Now you don't wanna write text in somewhere. You "write" by color changing the blocks to make pixel art of the letters bascially. Takes painfully long for longer text, but good luck finding the blocks if you don't know the cell to jump to. Add some uninteresting numbers in the first rows as cover and you are good :3
I thought up several variations for these as well, but those are the basic ones I guess. ^^
Hope it didn't bore you :D
6 years, 11 months ago
30 Nov 2011 18:35 CET