📄 php.encrypt.php.txt
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Usage is as follows:
$encrypted = encrypt("to encrypt string", "chitgoks");
$decrypted = decrypt($encrypted, "chitgoks");
$decrypted will return to encrypt string.
function encrypt($string, $key) {
$result = "";
for($i=0; $i<strlen($string); $i++) {
$char = substr($string, $i, 1);
$keychar = substr($key, ($i % strlen($key))-1, 1);
$char = chr(ord($char)+ord($keychar));
$result.=$char;
}
return base64_encode($result);
}
function decrypt($string, $key) {
$result = "";
$string = base64_decode($string);
for($i=0; $i<strlen($string); $i++) {
$char = substr($string, $i, 1);
$keychar = substr($key, ($i % strlen($key))-1, 1);
$char = chr(ord($char)-ord($keychar));
$result.=$char;
}
return $result;
}
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