Challenge "Weakened Granit — Part 3" ¶
By: admin on Sept. 24, 2015, 7:37 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 3 is a ciphertext-only challenge for which the second permutation key is known.
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Last edited by: admin on Oct. 31, 2021, 2:55 a.m., edited 1 time in total.