libsodium-dev - 1.0.18-1 main

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.
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This package provides development headers needed for applications that use
libsodium.