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Evidence Category · 9 Questions

Classical Cryptanalysis

Measures classical cipher analysis.

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Questions in This Category

Q029Real flag after decoding the outer layers in CIPHER1.TXT?
Q030Single byte XOR key used in CIPHER1.TXT?
Q031Vigenere key of CIPHER2.TXT (via frequency analysis)?
Q032Hidden passphrase in the decrypted plaintext of CIPHER2.TXT?
Q033Content of the OTP_MSG.BIN file?
Q110Vigenere key length of CIPHER2.TXT?
Q111Which encoding wraps the CIPHER1.TXT challenge?
Q112Which cipher type protects OTP_MSG.BIN?
Q167Which language is the CIPHER2.TXT plaintext?

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