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Mahdi Yusuf

Capture the Flag

Join the Architecture Notes CTF and test your system design skills against participants from around the world. Solve challenges in distributed systems, web security, and more. Open to all skill levels.

Mahdi Yusuf

Types of Encryption

Lets talk about encryption foundational topic in system design. Encryption involves converting human-readable plaintext into incomprehensible text, which is known as ciphertext and decrypting it back to plaintext again.

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