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The EC-Council Certified Encryption Specialist (ECES) program introduces professionals and students to the field of cryptography. The participants will learn the foundations of modern symmetric and key cryptography including the details of algorithms such as Feistel Networks, DES, and AES. Other topics introduced:

●Overview of other algorithms such as Blowfish, Twofish, and Skipjack

●Hashing algorithms including MD5, MD6, SHA, Gost, RIPMD 256 and others.

●Asymmetric cryptography including thorough descriptions of RSA, Elgamal, Elliptic Curve, and DSA.

●Significant concepts such as diffusion, confusion, and Kerkchoff’s principle.

ECES exam is excellent for ethical hackers and penetration testing professionals as most penetration testing courses skip cryptanalysis completely. Many penetration testing professionals testing usually don’t attempt to crack cryptography. A basic knowledge of cryptanalysis is very beneficial to any penetration testing.

Number of Questions:50

Passing Score: 70%

Test Duration: 2 Hours

Test Format: Multiple Choice

Test Delivery:EC-Council Exam Center (ECC EXAM)

1. Introduction and History of Cryptography

2. Symmetric Cryptography & Hashes

3. Number Theory and Asymmetric Cryptography

4. Applications of Cryptography

5. Cryptanalysis

During the process of encryption and decryption, what keys are shared?

A.Public keys

B.Public and private keys

C.User passwords

D.Private keys

Answer: A

In which of the following password protection technique, random strings of characters are added to the password before calculating their hashes?

A.Keyed Hashing

B.Double Hashing

C.Salting

D.Key Stretching

Answer: C

Asymmetric encryption method developed in 1984. It is used in PGP implementations and GNU Privacy Guard Software. Consists of 3 parts: key generator, encryption algorithm, and decryption algorithm.

A.Tiger

B.GOST

C.RIPEMD

D.ElGamal

Answer: D

What does Output feedback (OFB) do:

A.The message is divided into blocks and each block is encrypted separately. This is the most basic mode for symmetric encryption

B.The cipher text from the current round is XORed with the plaintext from the previous round

C.A block cipher is converted into a stream cipher by generating a keystream blocks, which are then XORed with the plaintext blocks to get the ciphertext

D.The cipher text from the current round is XORed with the plaintext for the next round

Answer: C

Which method of password cracking takes the most time and effort?

A.Dictionary attack

B.Shoulder surfing

C.Brute force

D.Rainbow tables

Answer: C

Which of the following acts as a verifier for the certificate authority?

A.Certificate Management system

B.Directory management system

C.Registration authority

D.Certificate authority

Answer: C