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WGU Introduction-to-Cryptography Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Asymmetric Encryption & Public Key Infrastructure | 25% | - Algorithms: RSA, ECC, Diffie-Hellman - Digital signatures: purpose and process - Principles: public/private key pairs - Certificate lifecycle: creation, validation, revocation - PKI components: certificates, CAs, trust models |
| Topic 2: Hash Functions & Data Integrity | 15% | - HMAC construction and application - Uses: integrity checks, password storage, message authentication - Algorithms: SHA-1, SHA-256, SHA-3, MD5 - Properties: collision resistance, one-way function |
| Topic 3: Cryptography Fundamentals | 20% | - Core goals: confidentiality, integrity, authentication, non-repudiation - Historical evolution and modern applications - Basic terminology: plaintext, ciphertext, algorithm, key |
| Topic 4: Implementation & Best Practices | 5% | - Standards and compliance - Selecting appropriate algorithms and key sizes - Common mistakes and vulnerabilities |
| Topic 5: Key Management & Secure Protocols | 10% | - Secure protocols: TLS/SSL, IPsec, SSH, PGP - Key generation, storage, exchange, and destruction - Cryptographic attacks: brute force, birthday, man-in-the-middle |
| Topic 6: Symmetric Encryption | 25% | - Algorithms: AES, DES, 3DES, Blowfish - Block vs stream ciphers, modes of operation (ECB, CBC, OFB, CFB) - Principles and operation - Key generation, distribution, and management challenges |
WGU Introduction to Cryptography HNO1 Sample Questions:
1. (Which number of bits gets encrypted each time encryption is applied during stream encryption?)
A) 1
B) 192
C) 256
D) 40
2. (What are the primary characteristics of Bitcoin proof of work?)
A) Easy to produce and difficult to verify
B) Difficult to produce and difficult to verify
C) Difficult to produce and easy to verify
D) Easy to produce and easy to verify
3. (Why should an administrator choose lightweight cryptography?)
A) The payload requires complex rounds of encryption.
B) The embedded system has limited resources.
C) The desktop is in a secure area of the building.
D) The data requires minimal protection due to the sensitivity level.
4. (Employee A needs to send Employee B a symmetric key for confidential communication. Which key is used to encrypt the symmetric key?)
A) Employee A's public key
B) Employee B's public key
C) Employee A's private key
D) Employee B's private key
5. (What is the maximum key size (in bits) supported by AES?)
A) 192
B) 128
C) 256
D) 512
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: C |
