Interactive cryptography laboratory

Cryptography Walkthrough Studio

Trace DES, AES-128, Blowfish, RSA, and Diffie–Hellman one transformation at a time. Inspect round values, state matrices, key schedules, modular arithmetic, and final results entirely in your browser.

Standalone HTML Real computations Educational parameters

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Algorithms

Select a cipher or key-exchange lesson

Available lessons5

Walkthrough map0

AES-128 Encryption

Substitution–permutation network

Computed locally

AES-128 Step 1 Ready Adjust the inputs or advance through the walkthrough.

Parameters

Change values and rebuild the lesson

Computed result

Cryptography Walkthrough Studio