?? readme.txt
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TEA Block Encryption
-------------------------------------
This code was written mainly to test the simplicity of the
TEA (Tiny Encryption Algorithm). The encryption code itself
was adapted to C++ from the JavaScript written by Chris Veness.
The TEA encrypts blocks of 64 bit data with a 128 bit key over
several iterations. After only 6 iterations a change of one bit
in the original block affects as much as 32 bits in the result. It
has been found to be quite secure, especially this third version
which has been improved to counter the vulnerabilities found in the
first ones.
Feel free to use and learn from this code.
Andreas J鰊sson
www.AngelCode.com (2003-09-25)
Interesting links
--------------------
The TEA encryption algorithm was invented by
David Wheeler & Roger Needham at Cambridge
University Computer Lab
http://www.cl.cam.ac.uk/ftp/papers/djw-rmn/djw-rmn-tea.html (1994)
http://www.cl.cam.ac.uk/ftp/users/djw3/xtea.ps (1997)
http://www.cl.cam.ac.uk/ftp/users/djw3/xxtea.ps (1998)
The original JavaScript code by Chris Veness at Movable Type Ltd
http://www.movable-type.co.uk
The encryption code, adapted to C++ by Andreas Jonsson
http://www.angelcode.com
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