Comprehensive Introduction: Provides a thorough foundation in cryptography and coding theory, covering essential concepts and techniques. Updated Content: Includes the latest advancements in cryptography, such as post-quantum cryptography and homomorphic encryption. Real-World Applications: Explores practical applications of cryptography in areas like secure communication, data protection, and blockchain technology. Mathematical Rigor: Presents mathematical concepts clearly and concisely, making them accessible to students and professionals alike.* Exercises and Solutions: Features numerous exercises and solutions to reinforce understanding and enhance problem-solving skills.