Adding data to the head or tail of the rar file can still decompress normally

Use the hex editor in a RAR After adding data at the beginning or end of the file , Test whether it can be decompressed normally ：

1. Create a new one txt file
2. Compression and use C32Asm open , Use the edit function to insert ten random hexadecimals in front of the header and save
3. It is found that it can still be decompressed normally
4. Again , Use the editing function to insert ten random hexadecimals into the tail and save , It can still be decompressed normally .
   Conclusion ：
   rar The compressed package should automatically recognize the beginning or end of the document when decompressing , Adding data before or after the header will not affect its normal decompression .