Free Cryptography Course with Certificate

Introduction to Cryptography

star 4.57  Beginner level 3.0 learning hrs 11.3K+ 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

Key Highlights

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Master in-demand skills & tools

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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

3.0 Hours

Beginner

11.3K+ learners enrolled so far

Get free course content

Master in-demand skills & tools

Test your skills with quizzes

Trusted by 10 Million+ Learners globally

Learner reviews of the Free Courses

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Reviewer Profile

5.0

★★★★ ★
Indonesia
“Cryptography: Techniques for Securing Information and Communication”
Cryptography is the study of techniques for securing information and communication, allowing only the intended recipient to access or understand the content. A course in cryptography generally covers mathematical and algorithmic methods used to protect data, especially in digital formats. Here’s an overview of key topics typically covered:
Reviewer Profile

5.0

★★★★ ★
India
“Cryptography Techniques and Their Methods”
Cryptography techniques include Symmetric Encryption (e.g., AES, DES), where the same key is used for encryption and decryption, and Asymmetric Encryption (e.g., RSA, ECC), which uses public and private key pairs. Hash Functions (e.g., SHA-256) generate unique fixed-size hashes, ensuring data integrity. Digital Signatures authenticate data origin.
Reviewer Profile

5.0

★★★★ ★
Canada
“Introduction to Cryptography: Interesting Stuff”
A Cryptography course typically provides a solid introduction to the theory and practical application of securing information. Basic concepts such as encryption, decryption, keys, and ciphers are covered.
Reviewer Profile

4.0

★★★ ★ ☆
India
“They Tell Us in a Very Easy Way That Everyone Can Understand”
They tell us in a very easy way that everyone can understand. They teach concepts using flowcharts and diagrams.
Reviewer Profile

4.0

★★★ ★ ☆
India
“They Tell Us in a Very Easy Way That Everyone Can Understand”
They tell us in a very easy way that everyone can understand. They teach concepts using flowcharts and diagrams.
Reviewer Profile

4.0

★★★ ★ ☆
United States
“They Tell Us in a Very Easy Way That Everyone Can Understand”
They tell us in a very easy way that everyone can understand. They teach concepts using flowcharts and diagrams.
Reviewer Profile

5.0

★★★★ ★
India
“Convenient & Seamless Learning Experience.”
Awesome learning experience. The course contents were prior and easy to follow.
Reviewer Profile

4.0

★★★ ★ ☆
India
“Cryptography is a Greek Word, Denoted as Cy”
I like this information about cryptography; it is very interesting.
Reviewer Profile

5.0

★★★★ ★
India
“Your Skills and Tools Are Excellent in Cryptography”
As usual, your teaching skills are very understandable and easy to learn.
Reviewer Profile

5.0

★★★★ ★
India
“The Course Is Very Useful and Very Interesting”
Overall, it’s a good course, and we gained good knowledge about the course.

Our course instructor

instructor img

Aniket Amdekar

General Manager - Cyber Defence Education

Cyber Security Expert

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589.2K+ 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.

 

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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