ss2022

const (
	// RequestHeaderFixedChunkLength
	// https://github.com/Shadowsocks-NET/shadowsocks-specs/blob/main/2022-1-shadowsocks-2022-edition.md#312-format
	// Request stream:
	// +--------+------------------------+---------------------------+------------------------+---------------------------+---+
	// |  salt  | encrypted header chunk |  encrypted header chunk   | encrypted length chunk |  encrypted payload chunk  |...|
	// +--------+------------------------+---------------------------+------------------------+---------------------------+---+
	// | 16/32B |     11B + 16B tag      | variable length + 16B tag |  2B length + 16B tag   | variable length + 16B tag |...|
	// +--------+------------------------+---------------------------+------------------------+---------------------------+---+
	//
	RequestHeaderFixedChunkLength = 1 + 8 + 2

	// PacketMinimalHeaderSize
	// https://github.com/Shadowsocks-NET/shadowsocks-specs/blob/main/2022-1-shadowsocks-2022-edition.md#322-format-and-separate-header
	// Packet:
	// +---------------------------+---------------------------+
	// | encrypted separate header |       encrypted body      |
	// +---------------------------+---------------------------+
	// |            16B            | variable length + 16B tag |
	// +---------------------------+---------------------------+
	//
	// Separate header:
	// +------------+-----------+
	// | session ID | packet ID |
	// +------------+-----------+
	// |     8B     |   u64be   |
	// +------------+-----------+
	//
	PacketMinimalHeaderSize = 16 + 16
)