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标题: 求教校验码算法 [打印本页]

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作者: xiaolang0302    时间: 2024-12-16 15:20
标题: 求教校验码算法


想研究一下校验算法，数据：0扇区
0 区块: 7C 08 1A AA C4 08 04 00 03 61 02 68 07 DE C7 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

1扇区
0 区块: 24 12 09 12 34 18 C5 00 FF FF FF FF FF FF B7 BE
1 区块: 03 F2 02 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: 01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF

2扇区
0 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 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: 01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF

另一张卡：
0扇区
0 区块: E4 C1 76 FB A8 08 04 00 62 63 64 65 66 67 68 69
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

1扇区
0 区块: 24 12 10 12 34 14 61 00 FF FF FF FF FF FF 72 CB
1 区块: 03 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00
2 区块: 21 12 00 00 DE ED FF FF 21 12 00 00 06 F9 06 F9
3 区块: 01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF

2扇区
0 区块: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 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: 01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF



1扇区0区块的最后2个字节应该是校验码，就是不太清楚哪些参与了校验，怎么算的呢？试了0区块校验和、crc16都不对，求大神指点

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作者: shxl850128    时间: 2024-12-16 15:49


算法没有，可以参考以下数据：
重新发卡：
0 扇区
7C 08 1A AA C4 08 04 00 03 61 02 68 07 DE C7 1D
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
30 12 30 12 34 28 29 00 FF FF FF FF FF FF 7B 6B
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 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

2 扇区
00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 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 00
01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF

3 扇区
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
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

4 扇区
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
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

5 扇区
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
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

6 扇区
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
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

7 扇区
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
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

8 扇区
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
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

9 扇区
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
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

10 扇区
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
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

11 扇区
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
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

12 扇区
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
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

13 扇区
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
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

14 扇区
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
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

15 扇区
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
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

原卡延期：
0 扇区
7C 08 1A AA C4 08 04 00 03 61 02 68 07 DE C7 1D
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
30 12 30 12 34 18 C5 00 FF FF FF FF FF FF D3 EF
FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 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

2 扇区
00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 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 00
01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF

3 扇区
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
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

4 扇区
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
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

5 扇区
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
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

6 扇区
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
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

7 扇区
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
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

8 扇区
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
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

9 扇区
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
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

10 扇区
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
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

11 扇区
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
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

12 扇区
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
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

13 扇区
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
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

14 扇区
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
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

15 扇区
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
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

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作者: xiaolang0302    时间: 2024-12-16 16:05

shxl850128 发表于 2024-12-16 15:49
算法没有，可以参考以下数据：
重新发卡：
0 扇区

多谢！我有工具能算出这个校验码来，就是想研究一下算法

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作者: fsjt7910    时间: 2024-12-18 01:06
检测到以下信息：

系统名称:百达139
扇区 1
24 12 09 12 34 18 C5 00 FF FF FF FF FF FF B7 BE
03 F2 02 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
01 39 40 23 33 13 FF 07 80 69 FF FF FF FF FF FF

到期日期：2024.12.09
梯号：03F20200000000000000000000000000
楼层：FFFFFFFFFFFF
用户号：18C5
校验码：B7BE


未知系统扇区【2】

此数据首次被分析！

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作者: xiaolang0302    时间: 2024-12-18 10:29

fsjt7910 发表于 2024-12-18 01:06
检测到以下信息：

系统名称:百达139

这个校验码是怎么算的呢

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作者: WJH_GZ    时间: 2024-12-18 12:59
软件直接改，算法自行研究

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作者: fsjt7910    时间: 2024-12-18 23:26

xiaolang0302 发表于 2024-12-18 10:29
这个校验码是怎么算的呢

校验码计算需要很多数据进行计算的，算法是没人免费教你的，想知道怎么算，就得花钱学习，要么就是自己研究

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作者: xiaolang0302    时间: 2024-12-19 10:51

fsjt7910 发表于 2024-12-18 23:26
校验码计算需要很多数据进行计算的，算法是没人免费教你的，想知道怎么算，就得花钱学习，要么就是自己研 ...

我挨个试了下这些字节，大概知道了哪些参与了计算，但还是没试出来算法

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作者: xiaolang0302    时间: 2024-12-19 11:34

shxl850128 发表于 2024-12-16 15:49
算法没有，可以参考以下数据：
重新发卡：
0 扇区

大佬你用的什么工具呢，要收费的吗?

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作者: shxl850128    时间: 2024-12-19 16:30

xiaolang0302 发表于 2024-12-19 11:34
大佬你用的什么工具呢，要收费的吗?

用的免费版麦田

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作者: qq81821528    时间: 2024-12-21 12:04
这样算，然后那样算一下，算法收费，

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