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``` <?php // 待加密内容 $content = "hello world"; //关键字 $key = '1234567812345678'; //向量 $iv = substr(md5(uniqid(rand())), -16); echo "使用 openssl（推荐）：" . PHP_EOL; echo 'openssl 加密:' . PHP_EOL; $data = openssl_encrypt($content, "AES-128-CBC", $key, 0, $iv); var_dump($data); echo 'openssl 解密:' . PHP_EOL; $data = openssl_decrypt($data, "AES-128-CBC", $key, 0, $iv); var_dump($data); ```
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