3-subset meet-in-the-middle attack

The 3-subset meet-in-the-middle (hereafter shortened MITM) attack is a variant of the generic meet-in-the-middle attack, which is used in cryptology for hash and block cipher cryptanalysis. The 3-subset variant opens up the possibility to apply MITM attacks on ciphers, where it is not trivial to divide the keybits into two independent key-spaces, as required by the MITM attack.

Source: Wikipedia — 3-subset meet-in-the-middle attack (CC BY-SA 4.0)

3-subset meet-in-the-middle attack

The 3-subset meet-in-the-middle (hereafter shortened MITM) attack is a variant of the generic meet-in-the-middle attack, which is used in cryptology for hash and block cipher cryptanalysis. The 3-subset variant opens up the possibility to apply MITM attacks on ciphers, where it is not trivial to divide the keybits into two independent key-spaces, as required by the MITM attack.

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Source: Wikipedia "3-subset meet-in-the-middle attack" · CC BY-SA 4.0

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