RSA Algorithm Example | Step-by-Step Worked Example

Pubblicato il: 15 gennaio 2019
sul canale di: Smart Coding

Learn the RSA algorithm with a clear, step-by-step numerical example — from key generation to encryption and decryption. This video walks you through every calculation so you can understand how RSA provides secure public-key cryptography.

📌 What this video covers:

Brief intro to RSA and public-key cryptography

Choosing primes p and q

Calculating n = p × q and φ(n)

Selecting public exponent e and computing private key d (modular inverse)

Encrypting a sample message (numeric example)

Decrypting to recover the original message

Notes on security and practical considerations (key size, padding)

📚 Who it’s for:
• Computer Science & IT students
• Cybersecurity beginners
• GATE / UGC NET / B.Tech learners
• Anyone wanting a hands-on RSA walkthrough

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💬 Comment the prime numbers you used when trying this yourself — I’ll check your steps!

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