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Hi guys, I want to develop a simple encryption program that can take a password as normal text, use rot13 and return an encrpyted password. I've written the html: <html> <head>Please enter password</head> <title>Computer Security Project</title> <body> <form action="testing.php" method="get"> <textarea name="text" cols"20" row="12"></textarea> <p><input type="submit" value="encrypt" name="submit" /></p> </form> </body> </html> I have also written the php code : <?php function rot13 ($str) { $before = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; $after = "nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM"; return strtr($string, $before, $after); } ?> But everytime I try and test it, I just get the code returned no encryption has happened. What am I doing wrong? Hope you guys can help!
