NPTEL Cryptography & Network Security Week 9 Assignment Solutions | IIT Kharagpur (Jan-Apr 2025)

In this tutorial, we will guide you through the solutions for the **Week 9 Assignment** of the NPTEL **Cryptography and Network Security** course. Whether you're a **beginner or an advanced learner,** this video provides **step-by-step explanations** of key topics such as **encryption and decryption techniques, symmetric and asymmetric cryptography, block and stream ciphers, digital signatures, authentication protocols, public key infrastructure (PKI), and network security practices.** We'll start with an **overview of the assignment,** followed by **detailed solutions and explanations.** Additionally, we’ll discuss **important concepts, real-world applications of cryptography, and practical problem-solving techniques to strengthen your understanding.** Don't forget to **subscribe** to our channel for more updates on this course and other **educational content.** If you have any **questions or need further clarification,** please leave a comment below. We’re here to **help and engage** with our viewers! --- ### **Video Tags:** NPTEL Cryptography and Network Security, Cryptography Assignment Solution, Symmetric Cryptography, Asymmetric Cryptography, Digital Signatures, Block Ciphers, Stream Ciphers, Authentication Protocols, Public Key Infrastructure, Network Security, IIT Kharagpur, NPTEL 2025, Cybersecurity Basics, Data Encryption, Information Security, Network Attacks, Security Protocols, Key Management --- ### **Hashtags:** #nptel #cryptography #networksecurity #encryption #decryption #cybersecurity #iitkharagpur #nptel2025 #studyguide #education #datasecurity #digital_signatures #authentication #publickeyinfrastructure #informationsecurity #keymanagement