What is checksum utility?
The “checksum utility” or “checksum tool” category usually contains two subcategories of programs – checksum calculators and checksum verifiers. The checksum calculators intended for calculating the checksum values of single object – standalone file and/or entire drive. For example, the eXpress CheckSum Calculator allow to calculate the checksum value of single file only. The checksum calculator integrated into AccuHash 2.0 allows also can calculate checksum values for entire drive. Another class of checksum tools – checksum verifiers usually work with checksum files – file of special format, which contain the list of checksum values for several, sometimes for a lot of files. Although this class is named “checksum verifier”, frequently this programs also can create this checksum files. For example, the Advanced CheckSum Verifier (ACSV) can both create and verify checksum files.