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Published 20 hours ago • verified publisher icon Ciphey

WIP: Add Playfair cracker

Open RotationMatrix opened this issue 5 years ago • 4 comments
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Companion to my PR in Ciphey.

RotationMatrix avatar Oct 24 '20 20:10 RotationMatrix

Ciphertext is not playfair if is contains a repeated digraph (AA, BB, CC, etc.)

https://github.com/Ciphey/CipheyCore/blob/ca590319a7f3a951feed1d9089ffe3684002b67a/src/ciphers/playfair.cpp#L16-L21

This comment was generated by todo based on a TODO comment in ca590319a7f3a951feed1d9089ffe3684002b67a in #13. cc @RotationMatrix.

todo[bot] avatar Oct 24 '20 20:10 todo[bot]

Ciphertext is not playfair if is contains more than 25 distinct letters.

https://github.com/Ciphey/CipheyCore/blob/ca590319a7f3a951feed1d9089ffe3684002b67a/src/ciphers/playfair.cpp#L18-L23

This comment was generated by todo based on a TODO comment in ca590319a7f3a951feed1d9089ffe3684002b67a in #13. cc @RotationMatrix.

todo[bot] avatar Oct 24 '20 20:10 todo[bot]

Use ciphertext to guess the 26th letter.

https://github.com/Ciphey/CipheyCore/blob/ca590319a7f3a951feed1d9089ffe3684002b67a/src/ciphers/playfair.cpp#L36-L41

This comment was generated by todo based on a TODO comment in ca590319a7f3a951feed1d9089ffe3684002b67a in #13. cc @RotationMatrix.

todo[bot] avatar Oct 24 '20 20:10 todo[bot]