Cryptography & Network Security Objective Questions

Cryptography Problems on “Public Keys and X.509 Certificates”. 1. How many handshake rounds are required in the Public-Key Distribution Scenario? […]

Network Security Multiple Choice Questions on “Designing Subnets”. 1. N_sub = n + log_2(N/N_sub) is used to find the suffix

Cryptography Multiple Choice Questions on “Groups Rings and Fields”. 1. GCD(a,b) = GCD(b,a mod b) a) True b) False Answer:

Cryptography Multiple Choice Questions on “Blowfish Algorithm”. 1. What is the maximum size of the key in blowfish algorithm? a)

Cryptography Multiple Choice Questions on “Secure Hash Algorithms (SHA)”. 1. SHA-1 produces a hash value of a) 256 bits b)

Cryptography Multiple Choice Questions on “Overview”. 1. In the elliptic curve group defined by y2= x3- 17x + 16 over

Network Security Quiz on “Designing Subnets”. An ISP is granted a block of addresses starting with 190.100.0.0/16 (65,536 addresses). The

Cryptography Multiple Choice Questions on “Polynomial and Modular Arithmetic”. 1. A very common field in this category is GF(2) with

Cryptography Quiz on “Blowfish Algorithm”. 1. In blowfish, the keys are stored in the form of an array ranging from

Cryptography Multiple Choice Questions on “Secure Hash Algorithms (SHA)”. 1. The registers ‘a’ and ‘e’ involve a) Permutation and substitution

Cryptography Multiple Choice Questions on “Overview”. 1. The multiplicative Inverse of 550 mod 1769 is – a) 434 b) 224

Network Security Multiple Choice Questions on “Secure Socket Layer”. 1. In the alert protocol the first byte takes the value

Advanced Cryptography Questions and Answers on “Polynomial and Modular Arithmetic”. 1. If f(x)=x7+x5+x4+x3+x+1 and g(x)=x3+x+1, find f(x) x g(x). a)

Cryptography Multiple Choice Questions on “RC4 and RC5”. 1. Which of the following is true for the RC5 algorithm? i)

Cryptography Multiple Choice Questions on “Secure Hash Algorithms (SHA)”. 1. In SHA-3, which step function does the operation L[2,3] <-