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Introduction to Cryptography
Free Cryptography Course with Certificate
Learn cryptographic techniques of securing data from scratch through this free Introduction to Cryptography course. Comprehend its history, basics, and types and understand cryptographic algorithms through its underlying protocols
What you learn in Introduction to Cryptography ?
About this Free Certificate Course
This Cryptography course is a good start for learners who desire to learn Cryptography from scratch. Many of you may be here to comprehend the role of Cryptography in Cybersecurity and how it helps in securing your data. To understand this concept, you will go through the history of Cryptography and understand how it aids as a data or message-securing technique through its basics. To comprehend what cryptography is in-depth, you will go through types of cryptographic techniques in detail through appropriate examples. Complete the quiz at the end of this free Cryptography course to avail a free course completion certificate.
Step up your Cybersecurity techniques through Great Learning's Best Cybersecurity courses that address in-demand Cybersecurity skills. Enroll in the course that aids your career development and earn a certificate of course completion.
Course Outline
This module introduces you to the field of Cryptography. You will go through a brief history of Cryptography and comprehend how it came into the tech world. In order to understand how Cryptography plays a role of a Cybersecurity enabler, you will also understand the role of Cryptography in it. You will comprehend various methods and techniques in cryptography and understand them thoroughly with the help of appropriate examples.
Our course instructor
Dr. Kumar Muthuraman
Faculty Director, Centre for Research and Analytics
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Free lifetime access
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Completion Certificate
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0.5 Hours
of self-paced video lectures
Frequently Asked Questions
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.
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Cryptography Course
Cryptography is the practice of secure communication in the presence of third parties or adversaries. It involves the use of various techniques and methods to protect information from unauthorized access or interception. Cryptography has been used for thousands of years, dating back to ancient civilizations such as the Greeks and Egyptians. Today, it is an essential part of modern communication and information security.
The goal of cryptography is to ensure confidentiality, integrity, and authenticity of information. Confidentiality means that only the intended recipient can read the message, integrity means that the message has not been altered during transmission, and authenticity means that the message comes from the expected sender and has not been forged by a malicious third party.
There are many different types of cryptographic techniques, but they can be broadly divided into two categories: symmetric-key cryptography and public-key cryptography.
Symmetric-key cryptography, also known as secret-key cryptography, involves the use of a shared secret key to encrypt and decrypt information. This key is known only to the sender and recipient, and it is used to both encrypt and decrypt the message. The most common symmetric-key encryption algorithms are the Advanced Encryption Standard (AES) and the Data Encryption Standard (DES).
Public-key cryptography, also known as asymmetric-key cryptography, uses two different keys - a public key and a private key. The public key is available to anyone, and it is used to encrypt messages. The private key, on the other hand, is kept secret and is used to decrypt the message. The most widely used public-key encryption algorithm is the RSA algorithm.
In addition to encryption, cryptography also involves techniques for digital signatures and hash functions. Digital signatures are used to verify the authenticity of a message, while hash functions are used to ensure data integrity.
Cryptography has many real-world applications, such as secure online communication, secure data storage, and secure financial transactions. It is also used by governments and military organizations to protect sensitive information. However, cryptography is not infallible, and there are many potential vulnerabilities and attacks that can be used to break encryption. For this reason, the field of cryptography is constantly evolving and developing new techniques to stay ahead of potential threats.
