Master Symmetric Cryptography: Key Concepts & Techniques πŸ”

Discover the fundamentals of symmetric encryption, including its components, how it works, and its role in securing data. Perfect for beginners and security enthusiasts alike!

Master Symmetric Cryptography: Key Concepts & Techniques πŸ”
Arfan Shahzad
720 views β€’ Aug 27, 2021
Master Symmetric Cryptography: Key Concepts & Techniques πŸ”

About this video

Symmetric encryption, also referred to as conventional encryption or single-key encryption.
A symmetric encryption scheme has five ingredients:
Plaintext: This is the original message or data that is fed into the algorithm as input.
Encryption algorithm: The encryption algorithm performs various substitutions and transformations on the plaintext.
Secret key: The secret key is also input to the encryption algorithm. The exact substitutions and transformations performed by the algorithm depend on the key.
Ciphertext: This is the scrambled message produced as output. It depends on the plaintext and the secret key. For a given message, two different keys will produce two different ciphertexts.
Decryption algorithm: This is essentially the encryption algorithm run in reverse. It takes the ciphertext and the secret key and produces the original plaintext.

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Views

720

Likes

12

Duration

47:39

Published

Aug 27, 2021

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