Four-Way Handshake, key hierarchy

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ANonce → refer to Access point Number Only Used Once - which generate randomly by hardware

SNonce → Station nonce

MIC → refer to Message integrity Check

GTK → Group Temporary Key

PTK → refer to type of encryption used

we use name and pass to generate PSK/PMK after add ANONCE/SNONCE we generate PTK

$$PSK→ Pre Shared Key$$