This is a library for encrypting data with a key or password in PHP. It requires PHP 5.4 or newer. The current version is v2.0.0, which is expected to remain stable ...

Currently, the OpenSSL extension in PHP provides openssl_encrypt() and openssl_decrypt(), which require the entire data buffer in memory for AES-128-GCM, AES-256-GCM... This makes it impractical to ...