Interactive Experiment Area

Interactive Cryptography Lab

Select an algorithm, enter text, customize keys, send requests to the FastAPI backend, and view the result instantly.

Choose Algorithm

Select one cipher or key exchange algorithm to test.

Classical Ciphers

Modern Cryptography

Classical Cryptography

Caesar Cipher

A simple substitution cipher where each letter is shifted by a fixed number of positions.

View Theory and Algorithm

Operation Mode

Input Text

Key Settings

Shift

Backend server may take a few seconds to wake up

This lab uses a deployed Render API. If the server was inactive for a while, the first request may be slower. Please wait after clicking the Run Algorithm button.

Algorithm Visualization

Visual Understanding Panel

A visual explanation for the currently selected algorithm.

Shift Key

Example Mapping

H → K   E → H   L → O   L → O   O → R

Alphabet Shift Preview

PlainABCDEFGHIJKLMNOPQRSTUVWXYZ

ShiftDEFGHIJKLMNOPQRSTUVWXYZABC