Skip to content

Padhai By Astra Cloud

Tribhuvan University
BSc CSIT1 2 3 4 5 6 7 8
BCA1 2 3 4 5 6 7 8
BIT1 2 3 4 5 6 7 8
BIM1 2 3 4 5 6 7 8
BBA1 2 3 4 5 6 7 8
BBS1 2 3 4
Pokhara University
BE Computer (PU)1 2 3 4 5 6 7 8
BBA (PU)1 2 3 4 5 6 7 8
National Examinations Board (+2)
+2 Science1 2
+2 Management1 2
Every subject’s units and teaching hours.
TU
- BSc CSIT
- BCA
- BIT
- BIM
- BBA
- BBS
PU
- BE Computer (PU)
- BBA (PU)
NEB
- +2 Science
- +2 Management
Chapter notes, unit by unit.
TU
- BSc CSIT
- BCA
- BIT
- BIM
- BBA
- BBS
PU
- BE Computer (PU)
- BBA (PU)
NEB
- +2 Science
- +2 Management
Past board questions with worked answers.
TU
- BSc CSIT
- BCA
- BIT
- BIM
- BBA
- BBS
PU
- BE Computer (PU)
- BBA (PU)
NEB
- +2 Science
- +2 Management
Answer, check and learn why.
TU
- BSc CSIT
- BCA
- BIT
- BIM
- BBA
- BBS
PU
- BE Computer (PU)
- BBA (PU)
NEB
- +2 Science
- +2 Management
Notices
- GPA calculatorTU, PU and NEB grade points
- SearchEvery note and question

BIT303 Information Security

Information SecurityTU Board 2081

What is the use of S box in DES? Illustrate S box operation with an example.

5

A worked answer is on its wayMeanwhile, read the Information Security notes for this topic.

Discussion

Loading…

More Information Security questions

Consider p=11 and q=7 in a RSA cryptosystem. i. What is a public key pair (e, n)? ii. What is a private key pair (d, n)? iii. What is ciphertext for M=6?TU Board 208110 Discuss how encryption and decryption is done in the DES algorithm.TU Board 208110 Define subjects, objects and access rights in access control with suitable examples. How role based access control is different from attribute based access…TU Board 208110 How online and offline dictionary attacks are done in password based authentication systems?TU Board 20815 Describe the roles of relying parties, attribute providers and identity providers in Open Identity Trust Framework.TU Board 20815 Define zombies, rootkits and Trojans.TU Board 20815

All Information Security old questions