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标题: 各位大神看看我改延期怎么没有用呢？ [打印本页]

作者: 你真tm逗我 时间: 2019-8-20 00:01
标题: 各位大神看看我改延期怎么没有用呢？
各位大神看看我改延期怎么没有用呢？

2区块，明文，改了没用啊

8.10到期的

第0扇区
0区块: 74 80 96 DA B8 08 04 00 01 2F 83 F2 DF 9A FF 1D
1区块: 4B 55 0B 2E 00 00 00 FF FF FF FF FF FF 00 00 00
2区块: 4B 55 0B 19 08 10 23 59 00 00 00 00 00 00 7B 2E
3区块: FF FF FF FF FF FF FF 07 80 69 FF FF FF FF FF FF
第1扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第2扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第3扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第4扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第5扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第6扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第7扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第8扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第9扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第10扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第11扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第12扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第13扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第14扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
第15扇区
0区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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

作者: kevinlam 时间: 2019-8-21 09:32
2区块: 4B 55 0B 19 08 10 23 59 00 00 00 00 00 00 7B 2E
如果明码的日期，可能后2字节是校验码，只改日期当然无用

作者: 你真tm逗我 时间: 2019-8-21 10:21

kevinlam 发表于 2019-8-21 09:32
2区块: 4B 55 0B 19 08 10 23 59 00 00 00 00 00 00 7B 2E
如果明码的日期，可能后2字节是校验码，只改日 ...

如果有大量的数据样本，可以逆推算法吗？
怎么算？

作者: kevinlam 时间: 2019-8-21 11:21

你真tm逗我发表于 2019-8-21 10:21
如果有大量的数据样本，可以逆推算法吗？
怎么算？

不需要大量的样本，搞清楚算法，只需要2个样品就足够了

作者: 你真tm逗我 时间: 2019-8-21 23:56

kevinlam 发表于 2019-8-21 11:21
不需要大量的样本，搞清楚算法，只需要2个样品就足够了

还有一个以前丢了的
第0扇区
0区块: DE 21 B2 31 7C 08 04 00 01 58 01 AE 7B 66 D6 1D
1区块: 4B 55 0B 2E 00 00 00 FF FF FF FF FF FF 00 00 00
2区块: 4B 55 0B 19 03 31 23 59 00 00 00 00 00 00 51 2E
3区块: FF FF FF FF FF FF FF 07 80 69 FF FF FF FF FF FF
请问是不是得同一张卡？
怎么逆向算算法？求教

作者: 2751408506 时间: 2019-8-22 21:11
2区块: 4B 55 0B 29 08 10 23 59 00 00 00 00 00 00 4B 2E

作者: 2751408506 时间: 2019-8-22 21:12
试试我这个到29年

作者: 你真tm逗我 时间: 2019-8-23 14:52

2751408506 发表于 2019-8-22 21:12
试试我这个到29年

好的，pm3不在身边，回去我试试。请问大佬怎么逆向算的？能指导下吗？

作者: 你真tm逗我 时间: 2019-8-24 00:49

2751408506 发表于 2019-8-22 21:12
试试我这个到29年

多谢大佬，成功了

作者: 2751408506 时间: 2019-8-24 13:10
主要后面有个效验

作者: luohao 时间: 2019-8-24 13:52

2751408506 发表于 2019-8-22 21:12
试试我这个到29年

你这个是怎么算的，求教

作者: 你真tm逗我 时间: 2019-8-24 16:14

2751408506 发表于 2019-8-24 13:10
主要后面有个效验

怎么算后面那个校验呢？，不会算啊？

作者: 名人凡客 时间: 2019-8-26 15:59
年月日2359 的字节异或就是校验
1908102359 的字节异或就是7B

作者: kevinlam 时间: 2019-8-26 17:11

名人凡客发表于 2019-8-26 15:59
年月日2359 的字节异或就是校验
1908102359 的字节异或就是7B

高！学习了

作者: 你真tm逗我 时间: 2019-8-27 21:09

名人凡客发表于 2019-8-26 15:59
年月日2359 的字节异或就是校验
1908102359 的字节异或就是7B

恕我愚钝，还是没看懂

作者: zhulinglao 时间: 2019-9-13 21:43
路过，学习下！

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