Computer networks are spreading day by day. The security issue of networks is a challenging job. This book describes the concepts of network security and cryptography in a simplified way. I have tried to provide the solution to understand the Complex concepts with the help of flow diagrams and examples. For a large number of students from Rajasthan, Utter Pradesh, Bihar, Haryana, Madhya Pradesh, and other states of our country this book is a mixture of both Hindi and English. Main topics of the book are – security principals, various types of attacks, cryptography, cipher text transformation techniques, symmetric and asymmetric key, Diffie-Hellman key exchange, digital envelop, message digest, digital signature, digital certificates, private key management, Public key Infrastructure X-509 (PKIX) model, Public Key Cryptographic Standards (PKCS), user authentication via password, authentication token etc., Kerberos, security measures in different Operating Systems, cryptographic solutions using JAVA and .NET, cryptographic toolkits, intrusions, honey pots, Indian IT Act for cyber-crime.
Computer networks are spreading day by day. The security issue of networks is a challenging job. This book describes the concepts of network security and cryptography in a simplified way. I have tried to provide the solution to understand the Complex concepts with the help of flow diagrams and ex...