01117    a2200145   4500003000400000005001700004008004100021020001800062100001900080245004200099250001200141260004500153300001100198520076200209OSt20240306101009.0240209b        |||||||| |||| 00| 0 eng d  a9789389347104  aPachghare,V.K.  aCryptography and Information Security  a3rd ed.  bPHI Learning Private Lmitedc2023aDelhi  a520pp.  aThe main objective of this book is to cater to the need of a quality textbook for education in the field of information security. The present third edition of the book covers the principles, design, and implementation of various algorithms in cryptography and information security domain. The book is a comprehensive work with a perfect balance and systematic presentation of the theoretical and practical aspects. The pre-requisite of the cryptography are the fundamentals of the mathematical background. The book covers all such relevant methods and theorems, which are helpful to the readers to get the necessary mathematical base for the understanding of the cryptographic algorithms. It provides a clear analysis of different algorithms and techniques.