求高人分析百达139非滚动码数据

waytyy

朋友小区，找了几个不同楼层的邻居卡读了下数据，目前只能看出到期时间和楼层，想问下校验码是怎么算出来的，有没有高人能帮忙分析？

卡1数据：
0扇区
B9 10 13 02 B8 08 04 00 62 63 64 65 66 67 68 69
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
FF FF FF FF FF FF FF 07 80 69 FF FF FF FF FF FF
1扇区
18 12 31 12 34 03 4F 00 00 10 00 00 00 00 90 08
00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF
卡1是18年12月31日到期，9楼，校验码应该是9008

卡2数据：
0扇区
80 5C 95 DB 92 08 04 00 62 63 64 65 66 67 68 69
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
FF FF FF FF FF FF FF 07 80 69 FF FF FF FF FF FF
1扇区
19 12 31 12 34 03 4F 00 00 10 00 00 00 00 8A 6C
00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF
卡2与卡1是同一张卡在物业延期以后的数据，19年12月31日到期，校验码变成了8A6C

卡3数据：
0扇区
8D 4C FC 31 0C 08 04 00 99 81 85 65 78 82 65 89
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
FF FF FF FF FF FF FF 07 80 69 FF FF FF FF FF FF
1扇区
19 06 30 12 34 04 F0 00 00 40 00 00 00 00 0E 1E
00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF
卡3是另一住户甲，19年6月30日到期，11楼，校验0E1E

卡4数据：
0扇区
57 B4 79 DF 45 08 04 00 62 63 64 65 66 67 68 69
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
FF FF FF FF FF FF FF 07 80 69 FF FF FF FF FF FF
1扇区
20 01 02 12 34 06 E5 00 80 00 00 00 00 00 E1 71
00 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF
卡4是另一住户乙，20年1月2日到期，应该是4楼，校验码E171

其它扇区没数据，我把卡1楼层数据001000改成了FFFFFF，刷卡不好使。
问题1：有没有大神知道校验码是怎么计算的？
问题2：通楼层通小区要怎么改？
谢谢

966

不是很了解，只好帮顶一下

sealym

14扇区
18 12 30 12 34 09 43 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF
白达通卡日期部分，希望有帮助

ricemiller

这个数据好复杂啊

mfz817

不是很了解，只好帮顶一下

1474717889

看不懂，好复杂

桃子

卡3 你延期到190730   效验改9F11  测试后告诉结果

fuckme

看不懂 帮你顶上去

白衬衫

不是很了解，只好帮顶一下

atongboy001

卡2 卡1 的卡号都不一样，怎么会是同一张卡。