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Skill

Cryptography

STEM

Cryptographers make systems that scramble and unscramble secret information. In the Information Age, we're essential to maintaining privacy and security.

10 Challenges

Share secret messages with a scytale

Encrypt with a substitution cipher

Make a transposition cipher

Send an encrypted message

Create a keyword cipher

Decode a playfair cipher

Create a cipher device

Decode a message in base64

Encrypt using openssl

Send a Message in Morse Code