Cryptography in malware - Salsa/ChaCha fundamentals - Cheatsheet

Objectives

• Provide an overview of fundamental Salsa/ChaCha concepts in an easy to digest format.
• Provide a reference for later review of fundamental Salsa/ChaCha concepts.

Additional notes

• Key size: 256 bits
• Nonce size: 64 bits
• Counter size: 64 bits
• Key stream size: 512 bits