DES key generation | Permuted choice one | Permuted choice two

Topics: Working procedure of DES key generation: what is permuted choice one and permuted choice two and how are used in des key generation. 🔍Dive deep into the mechanics of the Data Encryption Standard(DES) with our comprehensive explored video of DES Key Generation. 🛡️In this informative video, we break down the steps involved in generating secure keys for the DES algorithm providing a clear and detailed understanding of this crucial process of cryptography. DES Key Generation; 🔑The key generation process in DES is fundamental to ensuring the security and integrity of encrypted data. Here is a step by step breakdown of how DES keys are generated: 1.Initial Key Input: The process begins with a 64bit key, where each bit is numbered from 1 to 64. Every eighth bit is ignored effectively reducing the key to 56bits. This results in a more manageable and secure key size for encryption. 2.Permuted Choice One(PC_1): The 56bit key is subjected to an initial permutation using a predefined table known as Permuted Choice One(PC_1). This permutation rearranges the bits to produce a key that is more suitable for further processing. 3.Splitting the Key: The permuted 56bit key is divided into two 28bit halves labeled C0 and D0. 4.Key Shifts: In each round of the DES encryption process the halves C0 and D0 are individually subjected to a circular left shift(rotation) of 1 or 2 bits depending on the round number. These shifted halves are used to generate the subkeys for the current round and also serve as inputs for the next round of shifts. 5.Permuted Choice Two(PC_2): The shifted values of C and D are then combined and subjected to another permutation called Permuted Choice Two (PC_2). This permutation produces a 48bit subkey, which is used as input to the DES function during the encryption process. Why Key Generation Matters; 🛡️The precise generation and management of keys in DES are crucial for maintaining the algorithm security. By understanding each step of the key generation process from initial permutation to the creation of subkeys we gain insights into how DES achieves its robust encryption capabilities. 🚀Join us as we explore the intricate details of DES Key Generation, from bit permutations to key shifts and subkey creation. Whether you are a cryptography enthusiast or a student of computer science or a cybersecurity professional, this video offers valuable insights into one of the core components of DES. Press that subscribe button like and share with fellow enthusiasts to embark on this enlightening journey together.