Learn Cryptography From Basic to Expert Online: Free Course with AI Tutor & Certificate
This free cryptography course teaches you how to secure data and communications over 9 hours of content. You'll master everything from classical ciphers to modern asymmetric keys across 37 video lessons. By the end, you can protect sensitive information and apply cryptographic hash functions confidently.
Cryptography From Basic to Expert course syllabus
01 Introduction to Cryptography
- History and Evolution of Cryptography
- Basic Terminology and Concepts
- Types of Cryptography: Symmetric vs Asymmetric
- Applications of Cryptography
02 Classical Cryptography
- Caesar Cipher
- Substitution and Transposition Ciphers
- Vigenère Cipher
- Cryptanalysis of Classical Ciphers
- Limitations of Classical Cryptography
03 Symmetric Key Cryptography
- Introduction to Symmetric Key Algorithms
- Data Encryption Standard (DES)
- Advanced Encryption Standard (AES)
- Block Cipher Modes of Operation
- Stream Ciphers
04 Asymmetric Key Cryptography
- Introduction to Public Key Cryptography
- RSA Algorithm
- Diffie-Hellman Key Exchange
- Elliptic Curve Cryptography (ECC)
- Digital Signatures
05 Cryptographic Hash Functions
- Introduction to Hash Functions
- MD5 and SHA Family
- Hash Function Attacks
06 Cryptographic Protocols
- Introduction to Cryptographic Protocols
- Secure Socket Layer (SSL) and Transport Layer Security (TLS)
- Pretty Good Privacy (PGP)
- Kerberos Protocol
- Zero-Knowledge Proofs
07 Modern Cryptographic Techniques
- Quantum Cryptography
- Homomorphic Encryption
- Blockchain and Cryptography
- Post-Quantum Cryptography
- Privacy-Enhancing Technologies
08 Cryptography in Practice
- Implementing Cryptographic Algorithms
- Cryptography in Network Security
- Cryptography in Cloud Computing
- Legal and Ethical Issues in Cryptography
- Future Trends in Cryptography
Skills you'll gain
Add these to your LinkedIn profile and resume the day you finish.
Who should take this Cryptography From Basic to Expert course?
And exactly what you need before starting (spoiler: almost nothing).
This course is for
- Computer science students wanting to specialize in cybersecurity and data protection.
- Software developers who need to implement secure communication protocols in their applications.
- IT professionals in India aiming to transition into network security roles.
- Curious learners who want to understand how the internet keeps their information safe.
Prerequisites
- There are no strict prerequisites for taking this course.
- A basic understanding of computer networks and internet protocols is helpful.
- Familiarity with high school mathematics will make understanding encryption algorithms easier.
How learning works on LearnTube
The structure of a bootcamp, the price of free.
AI curates your path
Our AI picks the top 1% of video content for each topic and arranges it into a structured, goal-based curriculum. No more tutorial roulette.
Learn, then get quizzed
After every lesson, your AI tutor asks you a question and gives personalised feedback on your answer, so gaps get fixed immediately.
Finish with proof
Complete the course, build the capstone project, and claim a certificate recognised by 900+ hiring partners.
A complete Cryptography From Basic to Expert course: free, structured and job-focused
You'll start by learning how to encrypt and decrypt sensitive data to keep it safe from unauthorized access. This free cryptography course begins with the History and Evolution of Cryptography, giving you a solid foundation before moving into practical applications. From there, the curriculum covers Classical Cryptography and Symmetric Key Cryptography, teaching you how shared secret keys secure communications. You will also master Asymmetric Key Cryptography, which uses public and private key pairs to establish secure connections over the internet.
As you progress through the 8 modules, you will explore Cryptographic Hash Functions and Cryptographic Protocols. These concepts are essential for verifying data integrity and building secure networks. The final sections focus on Modern Cryptographic Techniques and Cryptography in Practice, ensuring you know how to apply these security measures in real-world software and systems. By the end of this training, you'll understand exactly how digital security operates behind the scenes.
LearnTube makes mastering these skills highly interactive and accessible. The platform pairs curated YouTube video lessons with an AI tutor that tests your knowledge. You will take a quick quiz after every lesson to reinforce what you just watched. All the learning material is completely free, and you can choose to add a paid optional certificate once you finish the 37 video lessons. It's a smart, flexible way to build your cybersecurity foundation at your own pace.
Jobs you can target after learning Cryptography From Basic to Expert
Cryptography From Basic to Expert is a gateway skill for some of the fastest-growing roles in tech.
Monitors networks for security breaches and investigates violations.
Assists in implementing security measures and testing system vulnerabilities.
Designs and maintains secure network infrastructure for organizations.
Typical entry-level salary ranges in India as of September 2026. Actual compensation varies by city, company and experience.
Earn a Cryptography From Basic to Expert certificate employers recognise
Finish the course and claim a certificate you can share anywhere.
- Learn 100% free: every lesson, quiz and the AI tutor cost nothing
- Claim your certificate when you complete the course (an optional paid add-on)
- Recognised by 900+ hiring partners across India
- One click to share on LinkedIn and add to your resume
Why learners choose LearnTube
Real reviews from Google. You learn free, you get assessed free, and you pay only if you want the certificate.
Though I have 11 years of experience as an HRBP, the course helped me refresh my knowledge and gave me insights into new trends in the market. The modules were clear and easy to understand, and the quizzes were well designed. I have added the certificate to my LinkedIn profile.
I had a lot of doubts while learning, but the AI chatbot answered them in detail with simple summaries. The videos on the platform saved me a lot of time as I didn't have to search YouTube and watch random content.
Just earned my certificate in HR Management from LearnTube.ai! The platform is user-friendly and the assessment was a great way to validate my knowledge. Feeling proud of this accomplishment!
I enrolled in a LearnTube personalized course to get into a Data Analytics role. It helped me learn SQL in depth and gave me hands-on experience with Power BI. I attached the LearnTube certificate to my CV, it added credibility to my profile, and I'm currently in the interview process.
The interface is user-friendly and intuitive, making it easy to navigate the course. I encountered no errors during my time using the platform, which was a refreshing change from other online learning platforms.
Just cleared the Business Analyst assessment and got certified! Loved how the course simplifies big concepts like data-driven decision making into short, practical lessons. The automated quizzes kept me on track the whole time. Perfect boost for my resume!
The certificate gave me a real edge during my B.Tech. By the time I graduated, I had skills that set me apart from my peers, and the certification opened up more job opportunities. It gave me the confidence to stand out during interviews.
I manage many software projects as a General Manager and was looking for a good certification program to stay competitive. After researching many programs, I chose LearnTube and it was much better than I expected. The material is well-organized and practical, and what I liked most is the lifetime access.
Frequently asked questions
Everything learners ask before starting this Cryptography From Basic to Expert course.
What job roles can this cryptography course help me get?
You can pursue entry-level roles like Information Security Analyst or Cybersecurity Associate. In India, these positions typically offer starting salaries between ₹3.5 LPA and ₹7 LPA. The skills you learn are highly valued across the tech industry.
How long does it take to finish the training?
The course contains about 9 hours of video content spread across 37 lessons. If you study for an hour or two each day, you can easily complete the entire curriculum and all AI quizzes within a single week.
Can I learn cryptography on my mobile phone?
Yes, the platform is fully optimized for mobile devices. You can watch the curated video lessons and complete the AI tutor quizzes directly on your smartphone, allowing you to study at your own pace wherever you are.
What will I be able to do after completing this?
You will know how to apply symmetric and asymmetric key cryptography to secure data. You can implement cryptographic hash functions to verify file integrity and understand the protocols that keep modern web communications safe from attackers.
Do I have to pay for the certificate?
The learning experience is entirely free, including all 8 modules and AI quizzes. The certificate of completion is a paid optional add-on. You can decide if you want to purchase it after you finish the lessons.
Is this a self-paced cryptography course?
Yes, this is a completely self-paced online course. You will learn through pre-recorded, AI-curated video lessons. This means you do not have to worry about strict schedules, and you can study whenever it fits your daily routine.
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