Explore the fundamentals of cryptography using Golang in this comprehensive tutorial. Dive into key concepts including asymmetric and symmetric key encryption, block and stream ciphers, cipher modes, authenticated encryption, hashing techniques, key derivation, HMAC, and digital signatures. Learn to implement various cryptographic algorithms such as SHA256, ElGamal, and elliptic curve cryptography through practical Golang code examples. Gain hands-on experience with basic formats, public key encryption, and methods for changing hashed values. Perfect for developers looking to enhance their understanding of cryptographic principles and their application in Golang programming.