Cryptography Fundamentals - A Beginner's Guide to Digital Security

In this video, I explain core concepts of cryptography. You'll learn what cryptography is, how encryption and decryption work, why they're essential for protecting your data online, and more. I hope you find the video both enjoyable and informative. Thanks for watching! 0:00 Intro 0:10 What is Cryptography? 0:52 Encryption and Decryption 1:33 Encryption Example #1 1:57 Encryption Example #2 3:10 Core Principles of Cryptography 3:26 Confidentiality 3:42 Integrity 4:13 Authenticity 4:25 Digital Signature and Digital Certificates 4:52 Non-Repudiation 5:10 Types of Cryptography 5:35 Symmetric Key Cryptography 5:53 Symmetric Key Example 6:51 Symmetric Key Advantages/Disadvantages 7:03 Asymmetric Key Cryptography 7:55 Asymmetric Key Example 8:34 Asymmetric Key Advantages/Disadvantages 8:53 Hash Functions 9:28 Encryption vs Hashing 10:06 Hashing Practical Usage 10:23 Hash Functions Advantages/Disadvantages 11:04 Outro Icons used in this video are from Flaticon and were created by: https://www.flaticon.com/free-icons/cyber-security Cyber-security icons created by Eucalyp https://www.flaticon.com/free-icons/cyber-security Cyber security icons created by smashingstocks https://www.flaticon.com/free-icons/cyber-attack Cyber-attack icons created by Freepik https://www.flaticon.com/free-icons/general General icons created by Umeicon https://www.flaticon.com/free-icons/soldier Soldier icons created by Umeicon https://www.flaticon.com/free-icons/anonymous Anonymous icons created by LAFS https://www.flaticon.com/free-icons/black-hat Black hat icons created by Minh Do https://www.flaticon.com/free-icons/incognito Incognito icons created by madness https://www.flaticon.com/free-icons/secret Secret icons created by smashingstocks https://www.flaticon.com/free-icons/assessment Assessment icons created by Slamlabs https://www.flaticon.com/free-icons/hash Hash icons created by Pixelmeetup https://www.flaticon.com/free-icons/computer Computer icons created by juicy_fish https://www.flaticon.com/free-icons/woman Woman icons created by Freepik https://www.flaticon.com/free-icons/key Key icons created by Smashicons https://www.flaticon.com/free-icons/advantage Advantage icons created by Dewi Sari https://www.flaticon.com/free-icons/disadvantage Disadvantage icons created by Dewi Sari https://www.flaticon.com/free-animated-icons/deal Deal animated icons created by Freepik https://www.flaticon.com/free-animated-icons/ebook Ebook animated icons created by Freepik