Explore the fundamentals of public key cryptography, hash functions, and key exchange mechanisms in this comprehensive video lecture. Delve into topics such as block versus stream ciphers, salting techniques, EES (Escrowed Encryption Standard), Diffie-Hellman key exchange, and Papakey examples. Learn about one-way hash functions and salted hashes, gaining a solid understanding of these crucial cryptographic concepts. Build upon the knowledge from Part 1 of the series and access related examples through the provided resources to enhance your grasp of modern cryptographic techniques.