Cryptgrphr
Hands-on cryptographic codes
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Free
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About
Cryptgrphr can be used for hands-on learning about cryptography and communicating secretly with friends (even both
simultaneously).
-You can encrypt anything, even emoji.
-There are currently 5 available cryptosystems: letters to numbers, Caesar cipher, Vigenere cipher, Affine Cipher, and RSA (unpadded).
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What's New in Cryptgrphr
1.0.1
January 9, 2022
-Fixed crashing when no plaintext was entered and encrypt button is pressed -For explainers, the buttons to turn the page are now in a toolbar