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byte[] rb = new byte[pack.length-8];
System.arraycopy(pack, 0, rb, 0, pack.length-8);
int flen=rb.length;
byte[] temp=new byte[8];
byte[] out=new byte[8];

int j = flen % 8;
String tempPack=new String(rb);
System.out.println("tempPack³¤¶È£º"+tempPack.length());
if(j==0){
    j=flen / 8;
}else{
    j=(flen / 8 + 1);
}
for(int m = 0; m < j*8-flen; m ++){
    tempPack+=StaticString.END_FLAG;
}
byte[] tmp=tempPack.getBytes();
System.arraycopy(pack, 22, tmp, 22, 8);

for (int i = 0; i < j; i++){
    for (int k = 0; k < 8; k++){
        temp[k] ^= tmp[i*8+k];
    }
}


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