The state of cryptographic libraries

Hello, everyone!

For my next project, I need hashing and public-key cryptography. What are the options currently available in the Julia ecosystem to get those things?

Also, I need a secure messaging system within Julia. Ideally, a Julia client for Telegram, which I could not find. Is there anything else available what can I interface easily with Julia?

Pallier.jl is the only one I knoe