Cryptography Basics: Encryption and Decryption

Published: 01 May 2026
on channel: IT & Design 101

431

This video explains the basics of cryptography using everyday analogies. It includes how encryption and decryption work together, how a single key is used to encrypt and decrypt in symmetric encryption, how a public key and a private key work in asymmetric encryption, and what the term end-to-end encryption means in plain language.

00:00 - Cryptography Basics (encryption and decryption)
01:10 - Symmetric Encryption (a single key to encrypt and decrypt)
02:03 - Asymmetric Encryption (a public key and a private key)
03:07 - End-to-End Encryption (with simple analogies)
04:22 - Thank you for watching, hope you you enjoyed the video!

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#cryptography #encryption #decryption

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