MysteryTwister C3
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Level II Challenges (107)

Page 1 of the challenges in Level II, ordered by date posted (the most recent appear first).

ASAC — A Strong(er) ADFGVX Cipher — Part 5

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This series consists of 5 challenges based on each other. It introduces a new three-step cipher called ASAC, which is a modified version of ADFGVX. Part 5 is a "bonus" and just modifies the second challenge of this series by improving the second step of the cipher.
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Published on: 2016-07-09 19:15
Maximum number of attempts for this challenge: 15

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