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Exam Code: ECES
Exam Questions: 204
EC-Council Certified Encryption Specialist (ECES)
Updated: 04 Jan, 2026
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Question 1

In a Feistel cipher, the two halves of the block are swapped in each round. What does this provide?

Options :
Answer: B
Question 2

What is the largest key size that AES can use?

Options :
Answer: B
Question 3

What is the formula m^e %n related to?

Options :
Answer: C
Question 4

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

Options :
Answer: D
Question 5

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

Options :
Answer: A
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