Cryptography

What is it?

Cryptography deals with the encryption and decryption of data. In Crypto challenges, you will often be given the flag in an encrypted format, and you will have to decrypt it. There are many different encryption schemes and techniques, and each have their own weaknesses and attacks.

Topics

• Hashing
• Classical Ciphers
• XOR and One-Time Pad
• Block Ciphers
• RSA

Tools

Sites

• Cryptopals - Crypto Challenges