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Handshake Request Packet

Handshake Request Diagram

📦 Size​

21 bytes

  • TYPE: 8 bits
  • NONCE: 32 bits
  • NUMBER 1: 64 bits
  • NUMBER 2: 64 bits

📤 Sent By​

Server, immediately after the client connects to it.

🧪 Contents​

  • A random 32-bit nonce
  • Two 64-bit random values
  • The TYPE field (0x02) is sent unencrypted
  • All other fields are encrypted using the static shared key

🔒 Purpose​

This packet is sent by the server to initiate the handshake process.

It contains random values (nonce, number1, number2) which will be
used by the server together with the client's response to generate a unique session key
after successful verification.