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Encryption and Cryptography Essentials

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IntermediateCourse

Discover intermediate cryptography and encryption techniques in a security-focused course designed to enhance your understanding and skills. You will explore key concepts including algorithm analysis, secure communication protocols, and data protection strategies. Improve your ability to implement cryptographic solutions and develop a robust security approach. Equip yourself with essential knowledge to safeguard digital information effectively.

4.9 (46 Reviews)

Language

  • English

Topic

  • Security

Enrollment Count

  • 3.63K

Skills You Will Learn

  • Blockchain Techology, Cryptography, CyberSecurity, Encryption, Hashtag

Offered By

  • IBMSkillsNetwork

Estimated Effort

  • 5 weeks 5 hrs

Platform

  • Coursera

Last Update

  • March 17, 2026
About this Course
  • In this course, you will explore the fundamental principles of cryptography and encryption that are crucial for safeguarding sensitive data in today's digital landscape. You'll learn about various cryptographic algorithms, encryption techniques, and the implementation of secure systems using industry-standard tools such as OpenSSL. The course covers theoretical concepts and practical applications, from basic encryption methods to advanced topics such as blockchain technology and quantum-safe encryption.
    This course is part of the IBM Cybersecurity Fundamentals Professional Certificate, designed to equip learners with essential skills and hands-on experience to excel in cybersecurity.
    Prerequisites and hardware requirements
    This course requires basic knowledge of cybersecurity concepts and IT fundamentals including computer networks and storage. You will need a laptop or desktop computer to get the most out of this course. Prior knowledge of Linux/shell commands is beneficial but not absolutely necessary.
    Course objectives
    After completing this course, you will be able to:
    • Explain fundamental concepts of cryptography and implement various encryption techniques
    • Apply symmetric and asymmetric encryption algorithms using industry-standard tools
    • Analyze cryptographic attacks and assess system vulnerabilities
    • Evaluate and implement public key infrastructure (PKI) components for secure communications
  • Course outline
    This course has four modules, which are listed below. We encourage you to set aside a few weekly hours to complete all modules successfully. Consistency will help you achieve your learning goals!
    You will benefit from viewing all videos and readings and solidifying that knowledge by completing all of the activities. To get the most value from this course, watch all videos, complete the readings, and participate in the hands-on labs. Test your knowledge through practice and graded quizzes and demonstrate your skills in the final project.
    Module 1: Cryptography Algorithms and Their Classifications
    In this module, you'll master the foundational concepts of cryptography and its role in data security. You'll learn to classify cryptographic algorithms, conduct cryptanalysis using OpenSSL, and understand both asymmetric and symmetric cryptography principles. The module covers essential algorithms such as RSA, ECC, and AES, along with key exchange protocols such as Diffie-Hellman, all supported by hands-on practical exercises.
    Module 2: Encryption Techniques and Public Key Infrastructure (PKI)
    This module focuses on practical encryption techniques and PKI fundamentals. You'll explore various encryption methods, including full disk, partition, file, and volume encryption. You'll learn about transport encryption, PKI principles, and the roles of Certificate Authorities. The module also covers hardware security elements such as TPM and HSM and important obfuscation techniques such as steganography and tokenization.
    Module 3: Hashing, Digital Signatures, Blockchain and Digital Certificates
    In this module, you'll learn about hashing algorithms, digital signatures, and blockchain technology. You'll implement secure hashes using OpenSSL, create and verify digital signatures, and understand blockchain applications. The module also covers digital certificates, OCSP, and certificate management, providing a comprehensive understanding of modern cryptographic applications.
    Module 4: Final Project and Course Wrap-up
    In the final module, you'll apply your knowledge to real-world scenarios by implementing cryptographic techniques. The project will test your ability to secure systems using appropriate encryption methods, manage digital certificates, and implement secure communication. The course concludes with a comprehensive review and final assessment.
    Congratulations on taking this step to enhance your cybersecurity knowledge! We look forward to guiding you through the fascinating world of encryption and cryptography.