25 lines
1.2 KiB
Protocol Buffer
25 lines
1.2 KiB
Protocol Buffer
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syntax = "proto3";
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/*
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This file contains message definitions for packets sent via unencrypted tunneling.
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These packets have the directions I2R and R2I (initiator to receiver, receiver to initiator)
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These packets are assigned the ID block 0x50-0x6f.
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*/
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// Sent by the initiator to the receiver, over the encrypted tunnel, to start the handshake.
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message PalmI2RHandshakeStartPacket {
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enum packet_info { invalid = 0; type = 0x50; }
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bytes initiator_public_key = 1; // The initiator's X25519 public key. This should be generated afresh for this session.
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int32 check = 2; // A random 4-byte integer, used to verify encryption is working properly.
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bytes iv = 3; // A random 12-byte IV used for encryption
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}
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// Sent by the initiator to the receiver, over the encrypted tunnel, to start the handshake.
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message PalmR2IHandshakeFinishPacket {
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enum packet_info { invalid = 0; type = 0x51; }
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bytes receiver_public_key = 1; // The initiator's X25519 public key. This should be generated afresh for this session.
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int32 check_encrypted = 2; // The same check value from the handshake start, encrypted in the same way the packets will eventually be encrypted.
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}
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