crc32 disk file integrity verification start position calculation of CRC32 is the beginning of PE header, the end of the rear position in the entire document. Of course, no software is absolutely safe, so the CRC32 value can be encrypted or modify the calculation of some CRC32 range. All in all, you can do first for a change and then write the check. Annex write CRC32 calculation tool with source code and a test program source code and a good program.

取crc32并写入.e
例子\保护测试.exe
....\保护测试.e
例子

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