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Modern Secret Key Cryptography


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Total Hour


Video Tutorials


Course content


Course Introduction

In this video, you will have a full overview of this course. It will help you to understand the course content and workflow.

Course Contents

Course Completion

About Course

Cryptography is an information security tactic. By the use of codes, it protects enterprise information and communication against cyber threats.
It refers to secure information and communication techniques derived from mathematical concepts and a set of rule-based calculations, called algorithms. Using particular algorithms, we can transform messages in ways that are hard to thief or illegal access. The use of these algorithms includes cryptographic key generation, digital signing, verification to protect data privacy, and web browsing on the internet. And, also utilized for confidential communication like credit card transactions and emails.

People keep their personal information in enterprise systems, and it is essential to maintain these persons’ privacy. Encryption is the only way to ensure that your information remains secure while it’s stored and during the process of transferring. Even when the transmission or storage medium has been compromised by attackers, the encrypted information is useless to them without the right keys for decryption. In the Modern Secret Key Cryptography, we will learn the basics of modern cryptography.

The secret key encryption uses the same key to encrypt and decrypt, so proper safeguarding and distribution of that key are of paramount importance. If the key is shared with unauthorized or unintended recipients at any time during the information’s life cycle, the protection of the information must be considered compromised.


At the end of this course, you will be able to:

  • Describe the basic concept of cryptography
  • Explain the importance of modern cryptography
  • Demonstrate the uses of the public and the private key
  • Get the full overview of AES



Guidelines for IOU Learners

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What to learn?

Learners will have the knowledge of encryption and how it works. They will also realize the importance of encryption.


  • A laptop or phone, good internet connection


  • University Students


Biraj Saha Aronya
0 /5

2 Courses

Hi, I am Biraj Saha. Now, I am working as a teaching assistant in Software Engineering Dept. at Daffodil International University.

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