Learn Cryptography from Basic to Advanced Online: Free Course with AI Tutor & Certificate
Securing data is a major challenge for modern applications. This free cryptography course teaches you how to protect sensitive information across 10 modules. You'll spend about 2 hours completing 40 video lessons, covering everything from classical cryptography to digital signatures, preparing you for secure system design.
Cryptography from Basic to Advanced course syllabus
01 Introduction to Cryptography
- History of Cryptography
- Basic Terminology
- Types of Cryptography
- Applications of Cryptography
02 Classical Cryptography
- Caesar Cipher
- Substitution Ciphers
- Transposition Ciphers
- Vigenère Cipher
03 Symmetric Key Cryptography
- Concept of Symmetric Key
- Block Ciphers
- Stream Ciphers
- Data Encryption Standard (DES)
04 Advanced Symmetric Key Algorithms
- Triple DES
- Advanced Encryption Standard (AES)
- Blowfish and Twofish
- RC4 and RC5
05 Asymmetric Key Cryptography
- Concept of Asymmetric Key
- RSA Algorithm
- Diffie-Hellman Key Exchange
- Elliptic Curve Cryptography
06 Cryptographic Hash Functions
- Introduction to Hash Functions
- MD5 and SHA Family
- HMAC
- Applications of Hash Functions
07 Digital Signatures
- Concept of Digital Signatures
- Digital Signature Algorithm (DSA)
- RSA Signatures
- Applications of Digital Signatures
08 Public Key Infrastructure (PKI)
- Introduction to PKI
- Certificates and Certificate Authorities
- SSL/TLS Protocols
- PKI Applications
09 Cryptanalysis
- Introduction to Cryptanalysis
- Brute Force Attacks
- Statistical Attacks
- Differential and Linear Cryptanalysis
10 Modern Cryptographic Protocols
- Zero-Knowledge Proofs
- Homomorphic Encryption
- Quantum Cryptography
- Blockchain and 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 Advanced course?
And exactly what you need before starting (spoiler: almost nothing).
This course is for
- Software developers who want to write secure code and protect user data.
- IT professionals in India aiming to transition into cybersecurity roles.
- Computer science students looking for a structured cryptography tutorial for beginners.
- System administrators who need to manage public key infrastructure and certificates.
Prerequisites
- No prior experience with cryptography is required to begin.
- Basic understanding of computer networks is helpful.
- Familiarity with high school level mathematics will make algorithms easier to grasp.
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 Advanced course: free, structured and job-focused
Data breaches happen constantly, making secure communication a critical requirement for any software or network. If you want to build systems that keep user data safe, you need to understand how encryption actually works. This online cryptography course helps you learn cryptography from scratch, starting with the History of Cryptography. You'll quickly move from cryptography basics into practical applications that secure real-world networks.
Across 10 modules, we cover the exact concepts used to protect modern digital infrastructure. You will study Classical Cryptography, Symmetric Key Cryptography, and Advanced Symmetric Key Algorithms. From there, the curriculum moves into Asymmetric Key Cryptography and Cryptographic Hash Functions. You'll also learn how to implement Digital Signatures and manage a Public Key Infrastructure (PKI). Finally, the course wraps up with Cryptanalysis and Modern Cryptographic Protocols, ensuring you know how to identify vulnerabilities and secure them.
Learning on LearnTube is built to fit your schedule. We curate the best YouTube video lessons and pair them with an AI tutor that tests your knowledge. After every video, you take a quick quiz to verify you actually understood the concept. The learning experience is entirely free. If you want to add a cryptography certification to your resume, a paid certificate is available as an optional add-on. With 40 video lessons taking just about 2 hours, this cryptography tutorial for beginners is a fast way to upgrade your security skills.
Jobs you can target after learning Cryptography from Basic to Advanced
Cryptography from Basic to Advanced is a gateway skill for some of the fastest-growing roles in tech.
Protects IT infrastructure and analyzes security threats within a corporate network.
Designs and implements security protocols to keep organizational data safe from unauthorized access.
Simulates cyberattacks on systems to find and fix cryptographic vulnerabilities before they are exploited.
Typical entry-level salary ranges in India as of August 2026. Actual compensation varies by city, company and experience.
Earn a Cryptography from Basic to Advanced 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 Advanced course.
Is this online cryptography course free?
Yes, learning is completely free on LearnTube. You can watch all 40 video lessons and take the AI-tutor quizzes at no cost. The official cryptography certification is an optional paid upgrade.
How long does it take to learn cryptography basics?
It takes about 2 hours to complete this specific curriculum. You will work through 10 modules covering everything from symmetric key cryptography to digital signatures and modern cryptographic protocols.
Can I study this cryptography tutorial on my phone?
Absolutely. LearnTube is fully optimized for mobile devices. You can watch lessons, take the AI quizzes, and review cryptographic hash functions from your smartphone, tablet, or desktop computer anytime.
Is this a self-paced learning program?
Yes, this course is entirely self-paced. You can start the introduction to cryptography whenever you like and progress through the 40 video lessons on your own individual schedule.
What will I be able to do after finishing?
You will understand how to secure data using modern encryption methods. You can confidently explain symmetric and asymmetric key algorithms, apply digital signatures, and understand public key infrastructure mechanics.
Is a cryptography certification worth getting in India?
Yes, data security skills are highly demanded by tech companies. Understanding modern cryptographic protocols makes you a stronger candidate for cybersecurity, software development, and network administration roles across India.
Do I need advanced math to take this cryptography course for beginners?
No advanced math degree is required. While basic algebra helps you understand how asymmetric key cryptography works, the course focuses heavily on practical application and concepts rather than complex proofs.
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