What is the 4th step in DES Algorithm?

  1. Home

Question:
What is the 4th step in DES Algorithm?

1.key transformation

2.s-box substitution

3.p-box permutation

4.expansion permutation

Posted Date:-2022-07-20 05:10:44

More MCQS Questions and answers

  1. ECC stands for
  2. In asymmetric key cryptography, the two keys e and d, have special relationship to
  3. In cryptography, the order of the letters in a message is rearranged by __________
  4. In DES step both LPT and RPT undergoes in how much key Rounds?
  5. In Symmetric schemes requires both parties to share how many secret key?
  6. In the course of conducting forensic analysis, which of the following actions are carried out?
  7. Security Measures Needed to protect ________ during their transmission
  8. What is full form of DDoS?
  9. What is lying of IP address called as?
  10. When reconstructing evidence surrounding a violent crime, it is generally helpful to:
  11. When you use the word ______it means you are protecting your data from getting disclosed.
  12. Which one of the following algorithm is not used in asymmetric-key cryptography?
  13. __ platforms are used for safety and protection of information in the cloud.
  14. _____ means the protection of data from modification by unknown users.
  15. ______ is a means of storing & transmitting information in a specific format so that only those for whom it is planned can understand or process it.
  16. ________ means knowledge obtained from investigation, study , intelligence new ,facts .
  17. _____________ is the process or mechanism used for converting ordinary plain text into garbled non-human readable text & vice-versa.
  18. ___function creates a message digest out of a message.
  19. __is used to create the organisation's overall security program.
  20. . In AES in which Round Subkeys are Generated from Original key for each round?
  21. 4. Cryptographic algorithms are based on mathematical algorithms where these algorithms use ___________ for a secure transformation of data.
  22. A asymmetric-key (or public key ) cipher uses
  23. A company requires its users to change passwords every month. This improves the ________ of the network.
  24. A digital signature needs ____ system
  25. A hacker guessing suggested password to a program is call as?
  26. A way to ensure that the entity is indeed what it claims to be.-
  27. AES stands for ?
  28. An act of protecting information from unauthorised disclouser to an entity.-
  29. An attempt to harm, damage or cause threat to a system or network is broadly termed as ______
  30. An implication from studies indicating that many stalkers had prior acquaintance with their victims is that:
  31. Blum Blum Shub Generator is based on which Algorithm?
  32. Computers and mobile devices are treated as _________ crime scenes in violent crime investigations.
  33. Conventional cryptography is also known as _____________ or symmetric-key encryption.
  34. Conversion of Cypher text to plain text?
  35. Conversion of plain text into Cipher text is called as________.
  36. Data ___________ is used to ensure confidentiality.
  37. ECC encryption system is __________
  38. Extensions to the X.509 certificates were added in version ____
  39. How many rounds does the AES-192 perform?
  40. In asymmetric key cryptography, the private key is kept by __________
  41. Prevention of the unauthorised used of Resources refers too?
  42. Protection against Denial by one of these parties in a communication refers to?
  43. Related to information security, confidentiality is the opposite of which of the following?
  44. Release of message contents and Traffic analysis are two types of _________ attacks.
  45. Symmetric key encryption is also called as?
  46. That part of cyberstalking where the offender is using the Internet to find a victim is known as:
  47. The ________ is encrypted text.
  48. The _____________ documentation specifies who handled the evidence, when, where, and for what purpose.
  49. The CIA triad is often represented by which of the following?
  50. The full form of OSI is OSI model__.
  51. The message which is not understandable is called as?
  52. The procedure to add bits to the last block is termed as _________________
  53. The technique in which when one character is replaced by another Character is called as?
  54. The__model is 7 layer architecture where each layer is having some specific functionality to perform.
  55. This helps in identifying the origin of information and authentic user. This referred to here as __________
  56. What does OSI stand for in the OSI Security Architecure?
  57. What is data encryption standard (DES)?
  58. What is the 4th step in DES Algorithm?
  59. What type of attack uses a fraudulent server with a relay address?
  60. When a cyberstalking case is stalled, it is a good idea to interview the victim again, because:
  61. When a hash function is used to provide message authentication, the hash function value is referred to as
  62. When you have developed a theory, what can you do to confirm that your hypothesis is correct?
  63. Which is the largest disadvantage of the symmetric Encryption?
  64. Which of them is type of Cipher?
  65. Which One of them is Passive attack?
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!