<?php
function OTP($input, $pad) {
$inputlen = strlen($input);
$padlen = strlen($pad);
$inputbytes = unpack("C*", $input); //Pack C* will convert a string into a byte array, such as 'abc' to Array(0x61, 0x62, 0x63)
$padbytes = unpack("C*", $pad);
$output = "";
for($i = 0; $i < $inputlen; $i++) //Loop through the input string
$output .= chr($inputbytes[$i] ^ $padbytes[$i % $padlen]);
return $output;
}
echo OTP("This is a long input that is not subject to the size of the pad", "ABC");
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
*i2bi2baa.o/% (,p46 5*a5bi2bn.6 27b+'c5bt.bt)' 2+z$bo'bt)' 1#
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
Warning: Undefined array key 0 in /in/GoYFY on line 11
*i2bi2baa.o/% (,p46 5*a5bi2bn.6 27b+'c5bt.bt)' 2+z$bo'bt)' 1#
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
Notice: Undefined offset: 0 in /in/GoYFY on line 11
*i2bi2baa.o/% (,p46 5*a5bi2bn.6 27b+'c5bt.bt)' 2+z$bo'bt)' 1#