电梯卡 部分数据不懂 找大神解惑

bufan

有一份小区通卡的数据和两份自己同一张卡去物业续期前后的数据  主要数据在9和11扇区 其他扇区全是空的
已知：
① 9/11扇区的5、6、7位是到期时间
② 9/11扇区的12、13、14位是上次去物业续期的时间

③ 9/11扇区的密钥第6位是固定的数值（69和4B），前4位与卡的id之和是FE FE FE FE。问题在于密钥第5位不知道怎么算。

救助大神帮忙分析一下其他数据的算法！！！

通卡：
0 扇区
0 区块: 2C 92 8C 02 30 08 04 00 01 33 49 0D B9 E5 C3 1D
1 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3 区块: FF FF FF FF FF FF FF 07 80 69 FF FF FF FF FF FF

9 扇区
0 区块: 01 A1 45 94 32 01 01 00 18 00 00 12 02 17 09 0A
1 区块: FF FF 07 00 00 00 00 00 00 00 00 00 00 00 00 00
2 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3 区块: D2 6C 72 FC 31 69 FF 07 80 69 D2 6C 72 FC 31 69

11 扇区
0 区块: 01 B1 45 94 32 01 01 00 18 00 00 12 02 17 09 0A
1 区块: FF FF FF FF FF FF FF FF FF 00 00 00 00 00 00 FC
2 区块: FF FF 0F 00 00 00 00 00 00 00 00 00 00 00 00 00
3 区块: D2 6C 72 FC 31 4B FF 07 80 69 D2 6C 72 FC 31 4B



已到期卡：
0 扇区
0 区块: 03 4E 5B CF D9 08 04 00 01 6E B3 FA A8 D6 73 1D
1 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3 区块: FF FF FF FF FF FF FF 07 80 69 FF FF FF FF FF FF

9 扇区
0 区块: 01 A1 4E E2 12 07 1F 00 18 00 00 12 05 1F 0C 0F
1 区块: 08 E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3 区块: FB B0 A3 2F DA 69 FF 07 80 69 FB B0 A3 2F DA 69

11 扇区
0 区块: 01 B1 4E E2 12 07 1F 00 18 00 00 12 05 1F 0C 0F
1 区块: FF 01 80 00 C0 00 00 00 00 00 00 00 00 00 00 30
2 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3 区块: FB B0 A3 2F DA 4B FF 07 80 69 FB B0 A3 2F DA 4B



未到期的卡：
0 扇区
0 区块: 03 4E 5B CF D9 08 04 00 01 6E B3 FA A8 D6 73 1D
1 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3 区块: FF FF FF FF FF FF FF 07 80 69 FF FF FF FF FF FF

9 扇区
0 区块: 01 A1 4E E2 13 07 1F 00 18 00 00 12 05 1F 0C 0F
1 区块: 08 E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3 区块: FB B0 A3 2F DA 69 FF 07 80 69 FB B0 A3 2F DA 69

11 扇区
0 区块: 01 B1 4E E2 13 07 1F 00 18 00 00 12 05 1F 0C 0F
1 区块: FF 01 80 00 C0 00 00 00 00 00 00 00 00 00 00 30
2 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3 区块: FB B0 A3 2F DA 4B FF 07 80 69 FB B0 A3 2F DA 4B

hezhihe719

未到期的卡3区块改通卡的3区块数据可以用吗？

xinchao0326

求高手回答.

tonydung

试一下将你通卡9，11扇区的0至2块数据写入原卡可以吗？

tonydung

tonydung 发表于 2019-7-7 09:52
试一下将你通卡9，11扇区的0至2块数据写入原卡可以吗？

还有通卡的0扇区0区块也写入原卡替换掉