
Topic 021: Security Concepts 021.1 Goals, Roles and Actors 021.1 Lesson 1 021.2 Risk Assessment and Management 021.2 Lesson 1 021.3 Ethical Behavior 021.3 Lesson 1 Topic 022: Encryption 022.1 Cryptography and Public Key Infrastructure 022.1 Lesson 1 022.1 Lesson 2 022.2 Web Encryption 022.2 Lesson 1 022.3 Email Encryption 022.3 Lesson 1 022.4 Data Storage Encryption 022.4 Lesson 1 Topic 023: Device and Storage Security 023.1 Hardware Security 023.1 Lesson 1 023.2 Application Security 023.2 Lesson 1 023.3 Malware 023.3 Lesson 1 023.4 Data Availability 023.4 Lesson 1 Topic 024: Network and Service Security 024.1 Networks, Network Services and the Internet 024.1 Lesson 1 024.1 Lesson 2 024.2 Network and Internet Security 024.2 Lesson 1 024.3 Network Encryption and Anonymity 024.3 Lesson 1 024.3 Lesson 2 Topic 025: Identity and Privacy 025.1 Identity and Authentication 025.1 Lesson 1 025.2 Information Confidentiality and Secure Communication 025.2 Lesson 1 025.3 Privacy Protection 025.3 Lesson 1 How to get certified Topic 022: Encryption 022.1 Cryptography and Public Key Infrastructure 022.1 Cryptography and Public Key Infrastructure Reference to LPI objectives Security Essentials version 1.0, Exam 020, Objective 022.1 Weight 3 Key knowledge areas Understanding of the concepts of symmetric, asymmetric, and hybrid cryptography Understanding of the concept of Perfect Forward Secrecy Understanding of the concepts of hash functions, ciphers, and key exchange algorithms Understanding of the differences between end-to-end encryption and transport encryption Understanding of the concepts of Public Key Infrastructures (PKI), Certificate Authorities, and Trusted Root-CAs Understanding of the concepts X.509 certificates Understanding of how X.509 certificates are requested and issued Awareness of certificate revocation Awareness of Let’s Encrypt Awareness of important cryptographic algorithms Partial list of the used files, terms and utilities Public Key Infrastructures (PKI) Certificate Authorities Trusted Root-CAs Certificate Signing Requests (CSR) and certificates X.509 certificate fields: Subject, Issuer, Validity RSA, AES, MD5, SHA-256, Diffie–Hellman key exchange, Elliptic Curve Cryptography Linux Professional Insitute Inc. All rights reserved. Visit the Learning Materials website: https://learning.lpi.org This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. The following lessons are available for this objective: 022.1 Lesson 1 022.1 Lesson 2 Next Lesson 022.1 Lesson 1 Proceed to first lesson

022.1 Cryptography and Public Key Infrastructure

Reference to LPI objectives

Security Essentials version 1.0, Exam 020, Objective 022.1

Weight

Key knowledge areas

Understanding of the concepts of symmetric, asymmetric, and hybrid cryptography
Understanding of the concept of Perfect Forward Secrecy
Understanding of the concepts of hash functions, ciphers, and key exchange algorithms
Understanding of the differences between end-to-end encryption and transport encryption
Understanding of the concepts of Public Key Infrastructures (PKI), Certificate Authorities, and Trusted Root-CAs
Understanding of the concepts X.509 certificates
Understanding of how X.509 certificates are requested and issued
Awareness of certificate revocation
Awareness of Let’s Encrypt
Awareness of important cryptographic algorithms

Partial list of the used files, terms and utilities

Public Key Infrastructures (PKI)
Certificate Authorities
Trusted Root-CAs
Certificate Signing Requests (CSR) and certificates
X.509 certificate fields: Subject, Issuer, Validity
RSA, AES, MD5, SHA-256, Diffie–Hellman key exchange, Elliptic Curve Cryptography