Great tool to verify yours and other software hashes to make sure they have not been tampered with. Works every time and will all the hash algorithms. Thanks to Slavasoft Inc. for making this available.
Programs (and files) distributed via the Internet nowadays comes equipped with MD5 or SHA1 checksums, to ensure that said programs (and files) have not been tampered with. Most MD5/SHA1 tools I've used are command line versions, and most calculate either MD5 or SHA1, but rarely both. With HashCalc, I can just drag-and-drop a file onto its window, and HashCalc calculates hash I want, in one fell swoop. Alright, it perhaps does not give an easy way to compare its result to the precalculated result (by the maker of the program/file), but I found it to be no big deal. Just paste HashCalc's result into notepad, and paste makers' numbers into notepad underneath. Besides, most MD5/SHA1 hashes are given as text snippets in web pages.
All the popular hashes and checksums for data integrity plus HMAC for sender authentication. Could use a comparator but fast as it is. This software is very good but the authors' response to my problem was outstanding and fast. They politely and professionally corrected my lack of knowledge. With this response for freeware, I know they will respond on their other products. I will buy from them.
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