Thanks, 0401, chenall
Flexibly using these codes is really powerful. Writing files or third-party programs with debug (debug execution is slow and commands are complex), such encrypted files are very hard to break. Before, I always used third-party programs for conversion and writing, which were easy to crack. It's just that CMD has limitations in handling strings, and when dealing with large files, using copy /b *+* generates too many temporary files.
Continue to study...
Flexibly using these codes is really powerful. Writing files or third-party programs with debug (debug execution is slow and commands are complex), such encrypted files are very hard to break. Before, I always used third-party programs for conversion and writing, which were easy to crack. It's just that CMD has limitations in handling strings, and when dealing with large files, using copy /b *+* generates too many temporary files.
Continue to study...


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