PKI & Cryptography Basics: Certificates, TLS & OpenSSL!!

Name: PKI & Cryptography Basics: Certificates, TLS & OpenSSL!!
Rating: 4.5 (18 reviews)

Security:: Learn PKI fundamentals, encryption, keys, certificates, TLS security, and OpenSSL concepts—no config, no labs

Created byMana Dowlatshahi Yeganeh

Last updated 7/2026

English

What you'll learn

PKI &
Cryptography Basics
Certificates,
TLS & OpenSSL!!
Security:: Learn PKI fundamentals, encryption, keys, certificates, TLS security, and OpenSSL concepts—no config, no labs

Course content

9 sections • 32 lectures • 31h 2m total length

01 The Unseen Architects of Digital Trust31:47
02 Navigating the Labyrinth PKI Certificates TLS and OpenSSL32:39
Navigate the labyrinth of PKI concepts, certificates, TLS, and OpenSSL through practical lab explorations and foundational cryptography lessons.
03 Securing the Digital Frontier32:45
Master PKI and cryptography basics to secure the digital frontier, covering certificates, TLS, and OpenSSL workflows in practical security applications.
04 PKI Certificates TLS and OpenSSL What NOT to Do32:11

01 Introduction to Cryptography and Secure Communication14:34
Explore how cryptography ensures confidentiality, integrity, authentication, and non-repudiation through symmetric and asymmetric keys, encryption and decryption, and digital signatures for data in transit and at rest.
02 Public Key Infrastructure PKI and Digital Trust Securing Our Connected World15:36
Master the fundamentals of public key infrastructure and digital trust, including certificates, certificate authorities, trust chains, and secure communications that power HTTPS and online identity verification.
03 PKI and Cryptography Certificates OpenSSL and Key Management15:26
Explore digital certificates within a practical PKI framework, including key generation, CSR and CA signing, TLS/SSL trust, OpenSSL tooling, and certificate lifecycle management.
04 PKI and Cryptography TLS HTTPS and Encrypted Network Communication15:00
Learn how TLS and HTTPS secure data in transit with PKI certificates, offering confidentiality, integrity, and authenticity, while TLS 1.3 enables fast, secure key exchange for cloud and on-premises.
05 PKI and Cryptography Real World Use Cases and Problems Solved15:34
Learn how PKI and cryptography secure the digital world, using certificates, TLS, mutual authentication, and automated certificate management to enable trust, encryption, and secure APIs.
FAQs5:14
MCQs5:25

AI Security Management Fundamentals (AAISM & ISACA-Aligned)!1:34:31
Explore ai security management fundamentals aligned with aaism and isaca, integrating pki and cryptography basics with certificates, tls, and openssl practices for robust cyber defense.
AI Literacy for All Employees - Fundamentals for Everyone!!1:29:07
Enhance employees' AI literacy with fundamentals aligned to PKI and cryptography basics, covering certificates, TLS, and OpenSSL for secure digital interactions.
AI Agents for Cybersecurity Fundamental Basics!!4:21:42
Explore AI agents for cybersecurity fundamentals within the PKI and cryptography basics framework. See how AI-driven approaches connect to certificates, TLS, and OpenSSL concepts.
AI-Driven SOC Fundamentals of Security Operations!!2:04:03
Explore AI-driven security operations fundamentals, TLS and PKI concepts, and cryptography basics, including certificates and OpenSSL, to strengthen defensive SOC practices.
Infrastructure Fundamentals High Availability & Load Balancing2:29:37
Master infrastructure fundamentals with a focus on high availability and load balancing, and understand how these practices support secure PKI and cryptography workloads.

AI Ethics and Responsible AI GenAI Foundations for Everyone PART_132:27
Explore AI ethics and responsible GenAI foundations for everyone, as part 1 of the PKI and cryptography basics course covering certificates, TLS, and OpenSSL.
AI Ethics and Responsible AI GenAI Foundations for Everyone PART_21:34:50
Explore ai ethics and responsible ai GenAI foundations for everyone part 2. Apply ai ethics and GenAI foundations for everyone part 2.
AI & GenAI Fundamentals for Modern Business Analysts!! PART_132:23
AI & GenAI Fundamentals for Modern Business Analysts!! PART_21:33:04
AI for Creative Leaders & Managers GenAI Fundamentals 2026 PART_134:08
Lead with GenAI fundamentals for creative leaders and managers in 2026, within the PKI and cryptography basics course framework.
AI for Creative Leaders & Managers GenAI Fundamentals 2026 PART_21:31:24

Requirements

This course has no strict prerequisites and is designed for beginners, making it accessible to anyone interested in understanding security fundamentals. Learners should have basic computer literacy, familiarity with how the internet and websites work, and a general awareness of concepts such as files, servers, and applications. Prior knowledge of cryptography, PKI, certificates, OpenSSL, or networking is not required. A curiosity about cybersecurity, digital trust, and encryption is helpful, as well as a willingness to learn abstract concepts and terminology. No programming skills, command-line experience, lab environments, or software installations are needed, as the course is entirely conceptual and theory-based.

Description

This course introduces the fundamental concepts of Public Key Infrastructure (PKI), cryptography, encryption, certificates, TLS, and OpenSSL in a clear, theory-focused way. It is designed as a no-configuration, no-lab learning experience, allowing learners to understand how modern digital security works without needing prior hands-on setup or technical tooling. The course explains what these technologies are, how they fit together, and why they matter in today’s connected world.

Public Key Infrastructure and cryptography form the backbone of secure communication on the internet. From HTTPS websites and secure email to cloud services and enterprise authentication, PKI enables trust, identity verification, data confidentiality, and integrity. This course explains how encryption works, the role of public and private keys, how digital certificates are issued and trusted, and how TLS secures data in transit. OpenSSL is introduced conceptually as a widely used implementation that brings these security standards to life.

Understanding these foundations is critically important because security failures often result from misunderstanding—not broken algorithms. By learning PKI and cryptography basics, learners gain the ability to make informed decisions, evaluate security claims, communicate effectively with technical teams, and avoid common misconceptions. This knowledge strengthens both technical and non-technical roles by building security awareness and confidence.

The advantages of this course include simplicity, accessibility, and clarity. With no labs or configurations required, learners can focus entirely on concepts, terminology, and real-world use cases. The course provides a strong mental model that prepares students for advanced security topics, certifications, or hands-on courses later, while remaining approachable for beginners.

This course is ideal for IT professionals, developers, system administrators, cloud engineers, security analysts, managers, students, and anyone involved in technology or compliance. It is also valuable for non-technical professionals who need to understand encryption, certificates, and trust models to make better business or policy decisions.

As digital transformation, cloud computing, zero-trust architectures, and regulatory requirements continue to grow, the demand for PKI and cryptography knowledge will only increase. Understanding these fundamentals future-proofs your skillset, supports career growth, and provides a solid foundation for advanced security, cloud, DevOps, and cybersecurity roles in the years ahead.

Who this course is for:

IT Professionals & System Administrators Learn how PKI, certificates, and TLS secure systems you manage. This knowledge helps you troubleshoot trust issues, communicate with security teams, and make better infrastructure and configuration decisions.
Developers & Cloud Engineers Understand how encryption, keys, and certificates protect applications and APIs. This enables you to design secure systems, correctly use TLS, and avoid common security mistakes in cloud and software environments.
Cybersecurity Students & Beginners Build a strong foundation in cryptography and PKI without the complexity of labs. This course prepares you for advanced security topics, certifications, and hands-on learning with confidence.
Managers, Architects & Non-Technical Professionals Gain clarity on security concepts that impact compliance, risk, and business decisions. This understanding improves communication with technical teams and supports informed strategic planning.

PKI & Cryptography Basics: Certificates, TLS & OpenSSL!!

What you'll learn

Explore related topics

Course content

Updated MAR 20264 lectures • 2hr 9min