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Challenge description - Mr. Anshel and Mr. Goldfeld were trying to exchange some asymmetric keys to get a shared key. They aren't very good at math, so they decided to use a Rubik's Cube instead to do the crypto. I don't think it's very secure though, I think you might be able to guess some of their keys :hmm:
Mr. A public key: [B' U', F B F, R' D, B D'] Mr. G public key: [R D L', D U' B, U F', L' F]
Mr. A sends: [B D' R' D R D L' D' R D B', B D' R' D D U' B D' R D B', B D' R' D U F' D' R D B', B D' R' D L' F D' R D B'] Mr. G sends: [U F' R D L' B' U' L D' R' F U', U F' R D L' F B F L D' R' F U', U F' R D L' R' D L D' R' F U', U F' R D L' B D' L D' R' F U']
得到的flag请使用NSSCTF{}格式提交。本题flag提交时去掉间隔的空格。 |
