[ANN] RbNaCl 4.0.0: a modern cryptography for Ruby, now with ChaCha20Poly1305 and Argon2 support

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Dec 23, 2016, 6:20:28 PM12/23/16

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RbNaCl is a Ruby FFI binding to NaCl/libsodium, one of the best modern cryptography libraries available:

Version 4 includes support for two new algorithms:

ChaCha20Poly1305: a modern authenticated (AEAD) symmetric encryption cipher with great performance on a wide variety of platforms.
Argon2: winner of the Password Hashing Competition (PHC), a modern password hashing function

Note this release drops support for Ruby versions prior to 2.2.6. If you need support for older Rubies, please continue using RbNaCl 3.x.