Network communication, cryptography and signaturing library
 NaCl (pronounced "salt") is a new easy-to-use high-speed software library for
 network communication, encryption, decryption, signatures, etc.
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 NaCl's goal is to provide all of the core operations needed to build
 higher-level cryptographic tools.
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 Sodium is a portable, cross-compilable, installable, packageable fork of NaCl,
 with a compatible API.