🔐 Cipher Lab

Two bots talk in encrypted radio. Caesar → ROT13 → XOR → Vigenère → Atbash. Encode on bot A, decode on bot B, then break the cipher yourself. Crypto kindergarten.

▣ Bot-A · sender · cyan NOT CONNECTED

⇄

▣ Bot-B · receiver · amber NOT CONNECTED

Cipher

Caesar shift

1325

Bot-A · sender

Plain text

Cipher text

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Bytes that go on the wire (hex)

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Bot-B · receiver

Last received cipher text

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Decoded with selected cipher

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Wire bytes (hex)

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Round-trip log

TX	Cipher	Plain	Cipher text	RX
No traffic yet. Encode something on Bot-A.

🔓 Cipher-break challenges

Pick a challenge to start.

Encrypted message

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Your guess (plain text)

Hint: each challenge tells you which cipher was used. Some need a key — try short common words.

Letter frequency cyan · English · amber · ciphertext

SOLVED0/ 5 BEST TIME— LAST—