CRYPTOGRAPHY - UNIT 1

This gives a basic view of how cryptography evolved.

12 flashcards · Computer Science · by Mani Deepak Choudhry

1. Listening to the communication between two parties is called____________

   Traffic Analysis

2. Hiding of message in large image is called_____________

   Stegnography

3. Process of trying to break any cipher text message to obtain the original plain text message________________

   Cryptanalysis

4. What is CIA?

   Confidentiality, Integrity & Availability

5. A potential for violation of security is___________

   Threat

6. ________________ techniques changes characters in the plaintext to produce a ciphertext

   Substitution

7. E(p) = (p + k) mod (26) is encryption algorithm of__________

   Caesar Cipher

8. The grant of a property right to the inventor is called________

   Patent

9. Defining the limit of the users towards the computer resources in a workplace _______________

   User Policy

10. ________________takes place when one entity pretends to be a different entity

    Masquerade

11. One-Time Pad Cipher is other wise called as______________

    Vernam Cipher

12. -121mod20=

    19