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<?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 + 1] ^ $padbytes[$i % $padlen + 1]); return $output; } $result = OTP("This is a long sentence", "Abc"); var_dump(unpack("C*", $result)); var_dump($result);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(23) { [1]=> int(21) [2]=> int(10) [3]=> int(10) [4]=> int(50) [5]=> int(66) [6]=> int(10) [7]=> int(50) [8]=> int(66) [9]=> int(2) [10]=> int(97) [11]=> int(14) [12]=> int(12) [13]=> int(47) [14]=> int(5) [15]=> int(67) [16]=> int(50) [17]=> int(7) [18]=> int(13) [19]=> int(53) [20]=> int(7) [21]=> int(13) [22]=> int(34) [23]=> int(7) } string(23) " 2B 2Ba /C2 5 ""
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 array(23) { [1]=> int(21) [2]=> int(10) [3]=> int(10) [4]=> int(50) [5]=> int(66) [6]=> int(10) [7]=> int(50) [8]=> int(66) [9]=> int(2) [10]=> int(97) [11]=> int(14) [12]=> int(12) [13]=> int(47) [14]=> int(5) [15]=> int(67) [16]=> int(50) [17]=> int(7) [18]=> int(13) [19]=> int(53) [20]=> int(7) [21]=> int(13) [22]=> int(34) [23]=> int(7) } string(23) " 2B 2Ba /C2 5 ""
preferences:
275.21 ms | 402 KiB | 459 Q