<?php
function getExpectedCiphertextSize(int $sizeOfInput) : int
{
$padding = ($sizeOfInput % 16);
if ($padding === 0) { // PKCS7
$padding += 16;
}
return 16 // IV
+ 32 // HMAC-SHA-256
+ $sizeOfInput
+ $padding;
}
var_dump(getExpectedCiphertextSize(100));
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.6
- int(152)
- Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
- Parse error: syntax error, unexpected ':', expecting '{' in /in/aZmJO on line 3
Process exited with code 255.
preferences:
142.65 ms | 402 KiB | 183 Q