26 lines
810 B
PHP
26 lines
810 B
PHP
<?php
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define('KEY_CHARS', 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz0123456789');
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define('KEY_CHARS_LENGTH', strlen(KEY_CHARS));
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function generateKey(int $length): string {
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$bytes = str_repeat("\0", $length);
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for($i = 0; $i < $length; ++$i)
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$bytes[$i] = KEY_CHARS[random_int(0, KEY_CHARS_LENGTH - 1)];
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return $bytes;
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}
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header('Content-Type: text/plain');
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if(isset($_GET['length'])) {
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$length = (int)filter_input(INPUT_GET, 'length', FILTER_SANITIZE_NUMBER_INT);
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if($length > 0 && $length < 1000) {
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echo generateKey($length);
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return;
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}
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}
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echo '8: ' . generateKey(8) . PHP_EOL;
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echo '16: ' . generateKey(16) . PHP_EOL;
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echo '32: ' . generateKey(32) . PHP_EOL;
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echo '64: ' . generateKey(64) . PHP_EOL;
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echo '128: ' . generateKey(128) . PHP_EOL;
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