Linux Http-Lua-Mode MsgPacknetwork data

Location：
clients -----|---->  proxy gate -----|---->  gserver
                           ||nginx---------------->http-lua-mode nginx-net.api  ===>  URL 、POST/GET、Socket and so on.....(role by web server)
                           ||network data =============================================================================
                                      ||  Time255(60秒频率生成key) ==>gen and check the KEY, use 1 byte for check in the pack
                                      ||  msgpack：packdata = msgpack(rspData)；packdata = msgpack(#packdata) .. packdata
                                      ||  xxtea：encrypt ---(packdta)---> encryStr(binary data)
                                      || package ：Time255 + ||msgpack way(rspData)
                                                                             ||xxtea [ msgpack data ]         =====>Gen Package
                                      ======================================================================
                                      ======================================================================
                                      ||  Time255 = nginx api.get() ----|---> string.sub (reqData, 1 , 1)(Time255 Len ：1 byte)   
                                                                                               || already xxtea and msgpack way data
                                                                                                                               ||
                                                                                               || msgpack way data<----------------(xxtea.decrypt)
                                                                                                          ||
                                      || msgpack(#packdata) .. packdata<----------------------(headOffset, headLen)
                                                                                     ||                                                                          
                                      (totalLen, rspData)------------------>rspData=========>Unpack Data

Important ：Gen encrypt KEY by Time255，time 60s change and KEY WORDS
KEY WORDS：
3 . . ? . . x . . < . .~ . .g
# . . ` . . _ . . - . .5 . .  v
! . . . . | . . ｝ . .&. .  0
* . . / . . + . . b . . i  . . |
q . . ( . . k . . t . .o . .  p
m . . = . . $ . . { . .u . .h

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