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a6-matrix-message {ctfepi}sealed case file

Matrix Message

Case A6, The Cipher DrawerLinear Algebra and Numerical Methodsscene 1easy100 pts

Case

Marlow encrypted his private notes with matrices. Decoding them is how you earn his trust.

What this scene will ask

Multiply two integer matrices. Entries mod 26 map to letters.

Planned flag: the word, at least 12 letters.

Status

[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.