Free Cryptography Course with Certificate

Introduction to Cryptography

star 4.57  Beginner level 2.1 learning hrs 10.8K+ Learners

Learn the fundamentals of cryptography, like encryption techniques, hashing, steganography, digital signatures, PKI, and cryptographic attacks. Join this free cryptography course to protect data and build cybersecurity skills.

Instructor:

Aniket Amdekar

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About this course

This free crypto course for beginners equips you with the essential skills to understand how digital information is protected, verified, and trusted. You’ll learn cryptography fundamentals, key terminology, major encryption techniques, and the difference between symmetric and asymmetric encryption. The course also covers hashing, steganography, digital signatures, and certificates to help you understand how data integrity and trust are maintained.


You’ll also learn how Public Key Infrastructure supports secure communication, how encryption protects sensitive data, and how cryptographic attacks can threaten real-world systems. By the end of this free cryptography online course, you’ll be able to explain core cryptography concepts, identify common encryption methods, understand how trust is established in digital systems, and build a strong foundation for cybersecurity learning.



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Course outline

Cryptography Fundamentals

This module will discuss the concept of cryptography, its importance and the fundamental terms for all cryptographic systems.

Encryption Techniques

This module will make you understand the major types of cryptography and the difference between symmetric and asymmetric encryption.

Data Integrity and Trust

This module will enable you to understand how hashing, steganography, digital signatures and certificates assure data integrity and trust.

Public Key Infrastructure (PKI) and Real-World Security

This module will cover Public Key Infrastructure (PKI), data protection through encryption, and an overview of cryptographic attacks.

Get access to the complete curriculum once you enroll in the course

Introduction to Cryptography

rating icon 4.57

2.1 Hours

Beginner

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10.8K+ learners enrolled so far

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Get free course content

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Master in-demand skills & tools

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Test your skills with quizzes

Trusted by 10 Million+ Learners globally

Learner reviews of the Free Courses

4.57
75%
17%
5%
1%
2%
Reviewer Profile

4.0

Country Flag India
“Exploring the World of Cryptography”
I loved learning about the principles of encryption and decryption, especially the use of symmetric and asymmetric keys. Understanding how cryptography safeguards data in everyday applications like online transactions and secure communications was fascinating. The hands-on exercises with algorithms like AES and RSA made the concepts even more engaging!
Reviewer Profile

5.0

Country Flag India
“Introduction to Cryptography for Beginners”
Curriculum, skills and tools, instructor, topic depth, quizzes and assignments, easy-to-follow.
Reviewer Profile

4.0

Country Flag India
“Very Good and Teaching Was Understandable”
The course material is comprehensive and well-structured, covering a wide range of relevant topics.
Reviewer Profile

5.0

Country Flag India
“Introduction to Cryptography is One of the Finest Skills We Will Learn”
The way the staff explained the class is absolutely brilliant. I got to know about cryptography very much after seeing the class.
Reviewer Profile

5.0

Country Flag India
“Learned What is Cryptography. Learned Different Types of Cryptography Techniques”
It was an amazing course. Enjoyed learning the insights of cryptography.
Reviewer Profile

5.0

Country Flag India
“Learned What Cryptography Is. Learned About Various Cryptography Techniques.”
It was an amazing course to learn. The explanation by the instructor was good.
Reviewer Profile

5.0

Country Flag India
“Learned About Various Cryptography Techniques and What Actually Cryptography Is.”
Overall, the course was amazing. I enjoyed learning the course very much.
Reviewer Profile

5.0

Country Flag Philippines
“This Course Helps Me Understand How Important Cryptography is to Secure Our Information Against Potential Cyber Criminals”
It also develops my skills to preserve the original information online.
Reviewer Profile

5.0

Country Flag United States
“History and General Introduction of Cryptography Clears the Concept.”
The instructor and his way of teaching, including the history of cryptography and giving a general introduction about the topic, is commendable.
Reviewer Profile

5.0

Country Flag India
“Truly, Greatly Learned the Courses”
Thank you, Great Learning, for easily explaining and providing certifications. I truly enjoyed it. I will refer it to my friends as well!

Our course instructor

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Aniket Amdekar

General Manager - Cyber Defence Education

Cyber Security Expert

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573.5K+ Learners
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14 Courses
Aniket is the lead faculty for PGP in Cyber Security and has over 15 years of experience in the field. He has worked with companies like Symantec, Microsoft, MakeMyTrip, and Walmart. He holds multiple certifications like CISSP and CISM

Frequently Asked Questions

Will I receive a certificate upon completing this free course?

Yes, upon successful completion of the course and payment of the certificate fee, you will receive a completion certificate that you can add to your resume.

Is this course free?

Yes, you may enroll in the course and access the course content for free. However, if you wish to obtain a certificate upon completion, a non-refundable fee is applicable.

What prerequisites are required to learn this Cryptography course?

Enrolling in this online Cryptography free course requires no prerequisites, and it is mainly designed for beginners to learn it from scratch.
 

How long does it take to complete this free Cryptography course?

This free Cryptography course contains half an hour of self-paced videos that learners can take up according to their convenience.
 

Will I have lifetime access to this free online course?

Yes. You will have lifetime access to this free online Introduction to Cryptography course.
 

What are my next learning options after this Cryptography course?

You can enroll in Great Learning's Cyber Security Program by the University of Texas at Austin's McCombs School of Business to gain advanced and crucial Cybersecurity skills and earn a certificate of course completion.

 

Is it worth learning Cryptography?

Cryptography is definitely worth learning. It is a field that is constantly evolving and offers many opportunities for those who are willing to put in the time to learn it. Cryptography is a valuable skill to learn for anyone who wants to work in IT or security.
 

What is Cryptography used for?

Cryptography is used for various purposes, including secure communications, keeping data safe, and protecting information from being accessed by unauthorized individuals. It can also be used to verify the identity of individuals and ensure that the information they are accessing is the correct and up-to-date version.
 

Why is Cryptography so popular?

Cryptography is widespread because it is a secure way to transmit information. It uses mathematical algorithms to encode and decode data, and these algorithms make it difficult for unauthorized users to access the information. It is used to ensure the privacy of communications and to create digital signatures. Cryptography can also be used to create tamper-proof systems, which is why it is often used in conjunction with blockchain technology.

What jobs demand that you learn Cryptography?

Jobs that commonly demand Cryptography skills include:

  • Cryptographer
  • Computer security specialist
  • Information security analyst
  • Network security engineer
  • Cybersecurity analyst
     

Will I get a certificate after completing this Introduction to Cryptography course?

Yes, you will be rewarded with a free Cryptography certificate of course completion after completing all the modules and the quiz at the end of this free Introduction to Cryptography course.
 

What knowledge and skills will I gain upon completing this Cryptography course?

By the end of this online Cryptography course, you will be familiar with Cryptography basics and its types, understand its origin and comprehend various techniques and protocols involved.
 

How much does this Introduction to Cryptography course cost?

This Cryptography course is offered for free by Great Learning Academy.
 

Is there a limit on how many times I can take this Cryptography course?

No, there are no limits on the number of times you can attain this online Introduction to Cryptography course.

Can I sign up for multiple courses from Great Learning Academy at the same time?

Yes, you can sign up for more than one free course offered by Great Learning Academy that efficiently helps your career growth.

 

Why choose Great Learning for this Cryptography course?

Great Learning Academy is an initiative taken by the leading e-learning platform, Great Learning. Great Learning Academy provides you with industry-relevant courses for free, and Introduction to Cryptography is one of the free courses that empowers you with in-demand Cryptography techniques and Cybersecurity skills.

 

Who is eligible to take this free Cryptography course?

Any beginner who wants to learn Cryptography and understand its techniques from scratch can enroll in this free Introduction to Cryptography online course.
 

What are the steps to enroll in this course?

  • Search for the "Introduction to Cryptography" free course in the search bar present at the top corner of Great Learning Academy.
  • Register for the course through the Enroll Now button and start learning.

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