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Cryptography and It's Primary Functions (in Hindi )
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In this lesson I will teach you issues in network security in detail for UGC NET computer science

Nisha Mittal is teaching live on Unacademy Plus

Nisha Mittal
🌟 MCA Gold Medalist 🌟 Star Educator 🌟Gate Qualified 🔴UGC NET qualified🔴🌟YouTuber ☆🌟BOOK published on LINUX ADMINISTRATION by kalyani publish

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sir ntpc ke liye sir
I m asking a one question my question is mca entrance preparation kai liye koi video uploade please
I m asking a one question my question is mca entrance preparation kai liye koi video uploade please
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man plz give some tips for exam Becoz tomorrow is my net exam so I m in tension
  1. cryptography Network Security Nisha Mittal


  2. cryptography Network Security Nisha Mittal


  3. cryptography Network Security Nisha Mittal


  4. cryptography The unencrypted data, referred to as plaintext. Plaintext encrypted cipher text The encryption and decryption is based upon the type of cryptography scheme being employed and some form of key.


  5. Primary functions of Cryptography Issues in Network security Confident Authoriza Authentication Integritya Non repudiation tion:


  6. Authentication: We have to check that the person who has requested for something or has sent an e-mail is indeed allowed to do so. The process of proving one's identity Integrity: We have to check that the message which we have received is ndeed the message which was sent. Assuring the received message has not been altered in any way from the original Confidentiality: Ensuring that no one can read the message except the intended receiver. Non-repudiation: A mechanism to prove that the sender really sent this message. Authorization: This refers to the kind of service which is allowed for a particular client. Even though a user is authenticated we may decide no to authorize him to use a particular service