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传奇世界封包解密函数

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intDecodeMsg(constBYTE*inbuf,BYTE*outbuf,intlen{intoutcount=0;BYTEb1,b2,b3,b4;intbcount=0;intkk=len/4;intll=len%4;intindex;for(inti=0;i//先按照四个字节一组处理{index=i<<2;b1=inbuf[index]-0x3b;b2=inbuf[index+1]-0x3b;b3=inbuf[index+2]-0x3b;b4=inbuf[index+3]-0x3b;outbuf[outcount]=(((b1<<2&0xF0|(b1&0x03|(b4&0x0C^0xeb;outcount++;outbuf[outcount]=(((b2<<2&0xF0|(b2&0x03|((b4<<2&0x0C^0xeb;outcount++;outbuf[outcount]=(b3|((b4<<2&0xC0^0xeb;outcount++;}index=kk*4;if(ll==2{b1=inbuf[index]-0x3b;b4=inbuf[index+1]-0x3b;outbuf[outcount]=(((b1<<2&0xF0|(b1&0x03|((b4<<2&0x0C^0xeb;outcount++;}elseif(ll==3{b1=inbuf[index]-0x3b;b2=inbuf[index+1]-0x3b;b4=inbuf[index+2]-0x3b;outbuf[outcount]=(((b1<<2&0xF0|(b1&0x03|(b4&0x0C^0xeb;outcount++;outbuf[outcount]=(((b2<<2&0xF0|(b2&0x03|((b4<<2&0x0C^0xeb;outcount++;}outbuf[outcount]=0;

}
returnoutcount;

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