There s a few checksums in the BIOS, so here s a generic checking function.

ZC if the socket supports scatter gather and doesn t need software checksums.

文件打包解包和文件的CRC32校验，将多个单一文件转化为单个二进制文件，并能恢复到原来的单个文件，并用crc32校验和验证文件的完整性-File packing and unpacking and the files CRC32 checksum, a plurality of single files into a single binary file, and can restore individual files to the original, and with crc32 check

Compressed archives combine multiple files into a single file to make them easier to transport or save on diskspace. Archiving software may also provide options for encryption, file spanning, checksums, self-extraction, and self-installation. Zip is