TryHackMe
Encryption - Cryptography 101
In this room, we will cover various things including why cryptography matters, RSA, two main classes of cryptography and their uses, key exchange.
John the Ripper - TryHackMe Room
In this room, you will learn how to use John the Ripper - an incrediblly powerful and adaptable tool for cracking hashes and passwords
Hashing - Crypto 101 Room
This room serves as an introduction to Hashing, as part of the cryptography series of rooms in the Complete Beginner Learning Path