Challenge "Weakened Granit — Part 2" ¶
By: admin on Sept. 24, 2015, 7:34 a.m.
The challenges for the simplified GRANIT cipher, a method that can be done manually, serve as an exercise and use an intentionally simplified version of GRANIT.
Part 2 is a ciphertext-only challenge for which the first permutation key is known.
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