test.go

package main

import (
	"encoding/binary"
	"encoding/hex"
	"fmt"
	"io/ioutil"
	"os"
	"strconv"

	"../aaa_emulator/common/crypt"
)

func main() {
	// huita     payload
	// 2400 dd05 64f1fc825223f4c495643405d55a754516e6a91e947cf7c797704010e0b081514272
	//pack, _ := hex.DecodeString("8c23c6c282625271b0cb11257381d3e43840dba6f90b2c06a99043486eefcd4b6745f31f35e70901d0441d85a978ee825322f4c494643405d5a5754517e7b7875627f7c797704010e0b0115081b0")
	//decr := hex.EncodeToString(crypt.ToClientEncr(pack))

	//fmt.Println(decr)

	//b := []byte{195, 95, 75, 203, 30, 145, 200, 252, 10, 40, 128, 170, 212, 105, 114, 61}
	//fmt.Println(hex.EncodeToString(b))

	aesk, _ := hex.DecodeString("77a89d5c1df25fb2e44477f7e4b1752a")
	cryptAes := crypt.ClientCrypt(aesk, 2401647235)

	pack1, _ := hex.DecodeString("394e9cc2791e5c13bb55415ea6b374df29")
	dec := cryptAes.Decrypt(pack1, 19)
	fmt.Println(hex.EncodeToString(dec))

	f, _ := os.Create("Game/etc/big_bad_dec")
	defer f.Close()

	var seq byte = 0x17

	data, _ := ioutil.ReadFile("Game/etc/big_bad2")
	offset := 0
	for offset < len(data) {
		pkLen := int(binary.LittleEndian.Uint16(data[offset : offset+2]))
		offset += 2
		_type := binary.LittleEndian.Uint16(data[offset : offset+2])
		offset += 2
		pData := data[offset : offset+pkLen-2]
		if _type == 0x5dd || true {
			newData := crypt.ToClientEncr(pData)
			f.Write([]byte(strconv.Itoa(int(pkLen)) + "\t" + hex.EncodeToString(newData) + "\n"))
			//print("\n" + hex.EncodeToString(newData[:4]) + "\n")
			newData[0] = 0
			newData[1] = seq
			newData[0] = crypt.Crc8(newData)
			newData = crypt.ToClientEncr(newData)
			//print(hex.EncodeToString(newData[:4]) + "\n")
			j := 0
			for i := offset; i < offset+pkLen-2; i++ {
				data[i] = newData[j]
				j++
			}
			seq++
		}
		offset += pkLen - 2
	}

	//ioutil.WriteFile("Game/etc/big_bad3", data, 0644)

	pack1, _ = hex.DecodeString("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")

	dec = crypt.ToClientEncr(pack1)
	print(string(dec))
	print("\n")
	fmt.Println(hex.EncodeToString(dec))

	pack1, _ = hex.DecodeString("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")

	dec = crypt.ToClientEncr(pack1)
	print(string(dec))
	print("\n")
	fmt.Println(hex.EncodeToString(dec))

}