B.TechSemester 72025-26Cryptography And Network SecurityBCS072
View PDFDownload

Cryptography And Network Security (BCS072) - AKTU Question Paper 2025-26

B.Tech · Semester 7 · Free PDF Download

This is the official AKTU Cryptography And Network Security Previous Year Question Paper for B.Tech Semester 7, academic session 2025-26. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 7
Session:2025-26
University:AKTU / UPTU

Rate this paper

Questions Asked in 2025-26

Cryptography And Network Security (BCS072) — complete question paper · 70 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 7 = 14
  • a
    Compare steganography and Cryptography. 2 1
  • b
    State Chinese remai nder theorem. 2 2
  • c
    Calculate (35). 2 2
  • d
    Explain requirement of Hashing. 2 3
  • e
    List the function of dual signature. 2 4
  • f
    Write role of TGS. 2 4
  • g
    Write requirement of padding in ESP. 2 5
Section BAttempt any three o f t h e f o l l o w i n g : 7 x 3 = 21
  • a
    Discuss Shannon’s theory of confusion and diffusion. Explain. 7 1
  • b
    Write algorithm for primal ity test. How it works. 7 2
  • c
    State and proof digital si gnature standard (DSS). 7 3
  • d
    Compare Kerberos 4 and Kerberos 5. 7 4
  • e
    Explain IP security. Expla in its architecture. 7 5
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 7 x 1 = 7
  • a
    Compare and contrast Output Feedback (OFB) and Counter mode of Block cipher
  • b
    List and explain secu rity mechanisms. 7 1
  • a
    State and prove Euler’s theorem. 7 2
  • b
    Explain the structure single round of AES. 7 2
  • a
    Explain Hash Function? Discuss SHA- 512 with all required st eps, round function & block diagram
  • b
    Discuss the Message Authentication Codes. Also give the use of Authentication requirements in MAC
  • a
    Explain Diffie-Hellman key exc hange algorithm with example. 7 4
  • b
    Explain X.509 certificate. 7 4
  • a
    Explain the following: (i) Intrusion detection. (ii) Firewall
  • b
    Explain the sequence of steps used in Secure Socket Layer Ha ndshake Protocol for establishing a new session. Draw a diagram which s hows the action of Handshake Protocol

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Cryptography And Network Security — Other Year Papers

AKTU Cryptography And Network Security PYQs from other sessions

Cryptography And Network Security2023-24Cryptography And Network Security2024-25Cryptography And Network Security2025-26Cryptography And Network Security2022-23Cryptography And Network Security2025-26

More B.Tech Semester 7 (2025-26) Papers

Other subjects from same semester and session

Deep Learning2025-26Cloud Computing2025-26Design Thinking2025-26Renewable Energy Resources2025-26Internet Of Things2025-26Artificial Intelligence2025-26Wireless Mobile Communication2025-26Vlsi Design2025-26
View all B.Tech Semester 7 2025-26 papers →

Syllabus & More PYQs

Paper solve karne se pehle unit-wise syllabus dekh lo

AKTU 4th Year PYQs — All Branches