Question 1

A type of frequency analysis used to attack polyalphabetic substitution ciphers. It's used to try to discover patterns and use that information to decrypt the cipher.

Options :

A : Kasiski Method

B : Integral Cryptanalysis

C : Information Deduction

D : Birthday Attack

Answer: A

Question 2

Which algorithm was U. S. Patent 5,231,668, filed on july 26, 1991, attributed to David W. Kravitz, and adopted by the U. S. government in 1993 with FIPS 186?

Options :

A : DSA

B : RSA

C : AES

D : RC4

Answer: A

Question 3

Which of the following algorithms uses three different keys to encrypt the plain text?

Options :

A : 3DES

B : Skipjack

C : Blowfish

D : AES

Answer: A

Question 4

Which of the following asymmetric algorithms is described by U.S. Patent 5,231,668 and FIPS 186

Options :

A : RSA

B : RC4

C : DSA

D : AES

Answer: C

Question 5

A _________ is a digital representation of information that identifies you as a relevant entity by a trusted third party.

Options :

A : Ownership stamp

B : Digest

C : Hash

D : Digital Signature

Answer: D

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