Simple API Security for PHP
The Simple API Security library is more logically wrap your application with libsodium.
Packaged Framework Libraries
The original Sodium project can be located here, the about Sodium is obtained from the readme in the source repository.
Sodium is a new, easy-to-use software library for encryption, decryption, signatures, password hashing and more.
It is a portable, cross-compilable, installable, packageable fork of NaCl, with a compatible API, and an extended API to improve usability even further.
Its goal is to provide all of the core operations needed to build higher-level cryptographic tools.
Sodium supports a variety of compilers and operating systems, including Windows (with MingW or Visual Studio, x86 and x64), iOS and Android.