[allard-04] - 0 users already solved this challenge.
Spirale is a OTP cipher designed to be simply performed by hand.
Part 4 is a ciphertext-only challenge with a 485-letter ciphertext.
Unlike the other three parts of this series, this one uses four new random keys.
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Published on: 2015-08-23 19:11
Maximum number of attempts for this challenge: 15
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