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: Observe that the LSB of the keystream is directly tied to the LSB of the initial state. Bit-Stepping : Assume the first bits of the state are known. Simulate the T-function for the next bit (

To solve the challenge, you must reverse the keystream generator to recover the initial state (the key): ti_moe_more

is a cryptographic challenge from the 2024 BuckeyeCTF , focusing on exploiting a flawed implementation of a Custom T-Function based stream cipher [1, 2]. Challenge Overview : Observe that the LSB of the keystream

Compare the resulting bit with the observed ciphertext/keystream bit. ti_moe_more