Completion

CERTIFICATE

Encryption and Cryptography Essentials

This course is part of Cybersecurity Fundamentals Specialization.

Course Cost

Free course

Intermediate

Skill Level

15 Hours

Self-paced Video lessons

Over 10,600 confirmed breaches were reported globally in 2024, exposing millions of records, including sensitive healthcare and financial data. Organizations need cybersecurity professionals who can protect them against this costly risk. This Encryption and Cryptography Essentials course gives aspiring cybersecurity professionals job-ready skills in encryption, hashing, and digital signatures—key competencies employers are looking for. You'll master symmetric (AES) and asymmetric (RSA) encryption techniques and apply hashing methods like MD5 and SHA to ensure data integrity. You'll learn how to manage and verify certificates using the Online Certificate Status Protocol (OCSP). Plus, you'll explore blockchain technology and its applications. This course is a comprehensive guide to mastering encryption and cryptography in cybersecurity. Through hands-on labs, interactive quizzes, and projects, you'll learn how to secure digital information, tackle cybersecurity challenges, and implement encryption and cryptographic solutions.

Dr. Manish Kumar

IBM Skills Network Team

English

Dr. Manish Kumar

IBM Skills Network Team

What you'll learn

Classify and implement symmetric and asymmetric cryptographic algorithms

Apply key exchange protocols like Diffie-Hellman to secure data transmission

Implement various encryption techniques including full-disk, file, and transport encryption

Utilize Public Key Infrastructure (PKI) and manage digital certificates

Generate secure hashes using algorithms like MD5 and SHA

Create and verify digital signatures for data integrity

Understand blockchain technology and its applications in security

Implement cryptographic solutions using OpenSSL in practical scenarios

Skills you'll gain

Cryptography

Encryption

Cybersecurity

PKI

Digital Signatures

Blockchain

Hashing

RSA

AES

OpenSSL

This course includes:

2 Hours PreRecorded video

10 assignments

Access on Mobile, Tablet, Desktop

FullTime access

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Top companies offer this course to their employees

Top companies provide this course to enhance their employees' skills, ensuring they excel in handling complex projects and drive organizational success.

There are 4 modules in this course

This comprehensive course provides a deep dive into encryption and cryptography essentials for cybersecurity professionals. The curriculum begins with fundamental cryptographic concepts, including classifications of algorithms and techniques for cryptanalysis using OpenSSL. Students explore both symmetric encryption (AES, DES) and asymmetric encryption (RSA, ECC) methods, along with key exchange protocols like Diffie-Hellman. The second module covers various encryption techniques, including full-disk, partition, file, and volume encryption, while introducing Public Key Infrastructure (PKI) concepts, certificate authorities, and trust models. Students also learn about hardware security solutions like TPM, HSM, and Secure Enclave, plus data obfuscation techniques such as steganography and tokenization. The third module focuses on hashing algorithms, digital signatures, blockchain technology, and certificate management, including OCSP for verification. The course concludes with a practical final project where students implement cryptographic techniques in a simulated banking scenario, applying their knowledge to real-world security challenges.

Cryptography Algorithms and Their Classifications

Module 1 · 4 Hours to complete

In this module, you will learn the foundational concepts of cryptography and its essential role in data security. You will classify cryptographic algorithms by their functions. and conduct cryptanalysis using OpenSSL. The module covers asymmetric and symmetric cryptography principles, including RSA and Elliptic Curve Cryptography (ECC), with practical exercises in RSA and AES encryption. Additionally, you will explore key exchange protocols like Diffie-Hellman and The Elliptic Curve Diffie-Hellman (ECDH), culminating in hands-on experience with Diffie-Hellman key exchanges for secure data transmission

Skills you'll gain

Cryptography Fundamentals

Cryptanalysis

Asymmetric Encryption

Symmetric Encryption

RSA

ECC

AES

DES

Diffie-Hellman

ECDH

OpenSSL

This course includes:

7 Videos

2 Assignments

8 Plugins

3 Reading Materials

3 Labs

Encryption Techniques and Public Key Infrastructure (PKI)

Module 2 · 4 Hours to complete

In this module, you will identify basic encryption techniques and their applications while recognizing the distinctions among full-disk, partition, file, and volume encryption. You will describe the role of transport encryption and define the principles of Public Key Infrastructure (PKI), including the roles of Certificate Authorities (CAs) and various trust models. Additionally, you will explore the features of the Trusted Platform Module (TPM), Hardware Security Module (HSM), and Secure Enclave for data protection, as well as obfuscation techniques such as steganography, tokenization, and data masking

Skills you'll gain

Encryption Techniques

Full-Disk Encryption

Partition Encryption

File Encryption

Volume Encryption

Transport Encryption

PKI

Certificate Authorities

Trust Models

TPM

HSM

Secure Enclave

Steganography

Tokenization

Data Masking

This course includes:

7 Videos

1 Assignments

5 Plugins

4 Reading Materials

2 Labs

Hashing, Digital Signatures, Blockchain and Digital Certificates

Module 3 · 5 Hours to complete

In this module, you will identify the fundamentals of hashing algorithms, including MD5 and SHA, and apply hashing techniques using OpenSSL to generate secure hashes. You will explain the purpose and importance of digital signatures for data integrity, utilizing OpenSSL to create and verify these signatures. Additionally, you will describe the basics of blockchain technology and its various applications, recognize the role and structure of digital certificates in cybersecurity, and explain the Online Certificate Status Protocol (OCSP) for verifying certificate validity. Finally, you will differentiate between self-signed and third-party certificates in certificate management.

Skills you'll gain

Hashing Algorithms

MD5

SHA

Digital Signatures

Blockchain Technology

Digital Certificates

OCSP

Self-Signed Certificates

Third-Party Certificates

Quantum-Safe Encryption

OpenSSL

This course includes:

7 Videos

1 Assignments

7 Plugins

3 Reading Materials

3 Labs

Final Project and Course Wrap-Up

Module 4 · 2 Hours to complete

In this module, you will apply the knowledge gained in the course in a final project. You will get to apply the different techniques you have learnt throughout the course in a simulated scenario. The module also wraps up the course learning and highlights key takeaways and next steps.

Skills you'll gain

Final Project

Cryptographic Techniques

Applied Cryptography

DataSafe Bank

Practical Implementation

Course Summary

Cybersecurity Skills

This course includes:

1 Videos

2 Assignments

2 Plugins

2 Labs

Fee Structure

Individual course purchase is not available - to enroll in this course with a certificate, you need to purchase the complete Professional Certificate Course. For enrollment and detailed fee structure, visit the following: Cybersecurity Fundamentals Specialization

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Faculties

These are the expert instructors who will be teaching you throughout the course. With a wealth of knowledge and real-world experience, they're here to guide, inspire, and support you every step of the way. Get to know the people who will help you reach your learning goals and make the most of your journey.

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Dr. Manish Kumar

Dr. Manish Kumar holds a PhD in Computer Science from Bangalore University and serves as a faculty member in the Department of Computer Applications at M S Ramaiah Institute of Technology, Bangalore. Specializing in Information Security and Digital Forensics, he has numerous research papers published in prestigious conferences and journals. Beyond academia, Dr. Kumar is actively engaged in research and consultancy, regularly conducting hands-on workshops, technical talks, and training sessions for academic institutions, researchers, law enforcement agencies, and the judiciary. As a technical expert, he contributes to government committees establishing cyber forensic labs for law enforcement. He is a life member of CSI, ISTE, ISCA, and IAE, and a senior member of ACM.

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IBM Skills Network Team

At IBM Skills Network, we understand the importance of building hands-on, job-ready skills quickly to stay competitive in today’s fast-paced world. Our courses, developed by industry experts at the forefront of technological innovation, cover key areas such as AI, software development, cybersecurity, data science, and business management. With real-world insights and practical learning in every module, we equip both individuals and teams with the future-focused technical and business knowledge necessary for success in an ever-evolving landscape.

Intermediate

Skill Level

15 Hours

Self-paced Video lessons

Course Cost

Free course

Completion

CERTIFICATE

Frequently asked Questions

Below are some of the most commonly asked questions about this course. We aim to provide clear and concise answers to help you better understand the course content, structure, and any other relevant information. If you have any additional questions or if your question is not listed here, please don't hesitate to reach out to our support team for further assistance.

What will I learn in this cryptography course?

Is prior knowledge of cryptography required?

What practical skills will I gain from this course?