A Reversible Encryption Routine for PHP
By Tony Marston2005-04-15
Summary
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As you can see it is not impossible to create a reasonable encryption function of your own using standard PHP functions. This way you can have your own customisable routine which does not rely on any 3rd party modules which your web hosting service may not feel inclined to provide.
Tutorial Pages:
» A Reversible Encryption Routine for PHP
» Rotating each character a fixed number of positions
» Swapping between two different character strings
» Manipulating the index number between the two strings
» Customising the Encryption Algorithm
» Class Variables
» Class Constructor
» The ConvertKey function
» The ApplyFudgeFactor function
» The CheckRange Function
» The Decrypt function
» Using the Encryption Class
» Summary
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