Learn Cipher

Interactive Cryptography Learning Portal

Start Your Cryptography Journey!

Please complete the interactive Welcome Story to unlock simulators, quiz arena, and attack lab.

Play Welcome Story
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Student Profile

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A → D
mod 26
K=3
P + K

Welcome Story

START HERE COMPLETED

Learn the basic concepts of secret codes, shift values, and matrix cryptography through a step-by-step visual tour.

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Caesar Cipher

Explore shift key cryptography, modular addition calculations, and real-time animation trace mappings.

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Hill Cipher

Understand matrix multiplication, modulo 26 determinants, and modular inversions through live visualizers.

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Attack Lab

Break ciphertext using brute force, letter frequencies, and known-plaintext attacks under real-time registers.

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Quiz Arena HOT

Prove your skills with dynamic timers, speed multipliers, built-in scratchpads, and unlockable achievement badges.

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© Learn Cipher. Created by Manisha Arpara
Complete the Welcome Story first to unlock this simulator!