ChaCha20 is a stream cipher which is designed to support high-performance software implementations

Hi my friends.
I would like to implement chacha20 or poly135 cipher in rclone interface. Does anyone know how to help me?

Rclone crypt uses NACL Secretbox which uses XSalsa20 and Poly1305 to encrypt and authenticate messages.

I believe XSalsa20 is related to chacha20 and they are both designed for software encoding.

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