So you can examine the integrity of the data also later still at any time. If you send files by E-Mail to friends, nobody can guarantee to 100% that the arrived files are unchanged, also correctly.Ī further important application field for checksums is the transmission of data over the Internet. If you send also a checksum file additionally, the receiver can determine on the basis the checksum whether the received files are OK or not. Also many files in the Internet are offered for the Download, e.g.
Linux distributions in form of whole CD images, frequently with additional checksum files, often in the MD5 format.
