EC-COUNCIL

EC-Council Certified Encryption Specialist

ECES

The EC-Council Certified Encryption Specialist (ECES) certification validates your ability to understand and apply cryptography in real-world environments. Designed for professionals and students, it covers symmetric and asymmetric algorithms, hashing, digital signatures, and quantum computing. Earning ECES proves you can select and deploy the right encryption standards to protect organizational data.

Practice Free Questions

6Domains

18Objectives

158Practice pages

750Free questions

ECES free practice questions

Choose any objective and open any question page — no sign-in required.

Introduction and History of Cryptography

44 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–44

Classical Ciphers (Caesar, Vigenere, Playfair, ADFGVX)

36 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–36

Cryptographic Principles (Diffusion, Confusion, Kerckhoff Principle)

37 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–37

Feistel Networks, DES, 3DES, and AES

51 questions · 11 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–51

Block Cipher Modes (ECB, CBC, CFB, OFB, CTR)

38 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–38

Hashing Algorithms (MD5, SHA, RIPEMD, Tiger, Whirlpool) and HMAC

41 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–41

Number Theory and Mathematical Foundations

44 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–44

RSA, Elliptic Curve, DSA, and Elgamal

43 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–43

Diffie-Hellman Key Exchange and Random Number Generators

40 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40

Digital Signatures and X.509 Certificates

52 questions · 11 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–52

PKI Infrastructure and Kerberos Authentication

42 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–42

VPN Protocols (PPTP, L2TP, IPSec, SSL/TLS) and Disk Encryption

51 questions · 11 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–51

Steganography and Steganalysis

42 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–42

Frequency Analysis and Differential Cryptanalysis

29 questions · 6 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–29

Rainbow Tables and Password Cracking

35 questions · 7 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35

Modern Cryptographic Attacks

39 questions · 8 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–39

Quantum Key Distribution and Qubits

41 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–41

Lattice-Based and Post-Quantum Cryptography

45 questions · 9 pages

Questions 1–5 6–10 11–15 16–20 21–25 26–30 31–35 36–40 41–45

Want a smarter study session?Try adaptive questions aimed at your weak spots, the illustrated book, and readiness you can trust.

Continue Free Practice

Percentages reflect share of the current practice bank, not official exam weightings. Every page above is a live, crawlable practice page (18 objectives · 158 pages).

EC-Council Certified Encryption Specialist

ECES free practice questions

Domain 1 · Cryptography Foundations and History16% of practice bank · 3 objectives · 117 questions16%

Domain 2 · Symmetric Cryptography and Hashing17% of practice bank · 3 objectives · 130 questions17%

Domain 3 · Asymmetric Cryptography and Number Theory17% of practice bank · 3 objectives · 127 questions17%

Domain 4 · Applications of Cryptography25% of practice bank · 4 objectives · 187 questions25%

Domain 5 · Cryptanalysis14% of practice bank · 3 objectives · 103 questions14%

Domain 6 · Quantum Computing and Cryptography11% of practice bank · 2 objectives · 86 questions11%