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<?php $key = "algjhsdiouahwergoiuawhgiouaehnrgzdfgb23523"; $hash_function = "sha256"; $i = 0; $found = []; while (count($found) < 2) { $pw = base64_encode(str_repeat($i, 5)); $hash = hash_hmac($hash_function, $pw, $key); if ($hash[0] === "\0") { $found[] = $pw; } $i++; } var_dump($i, $found);
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 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

Process exited with code 137.
preferences:
182.66 ms | 404 KiB | 228 Q