MD5 檢驗雜湊函數產生器 - HashCalc，它支援包括常見的 MD5 等，十幾種的雜湊演算法，簡單來說，你可以利用此工具，針對你的程式、檔案或圖片，產生一段獨一無二的檢查碼，將它記錄下來，下次在網路上發現你的作品時，核對一下你原本的檢查碼，便可以馬上判斷檔案是否有被竄改！相信還有很多方面可以應用喔～（阿榮）
下載連結→ https://www.azofreeware.com/p/hashcalc.html
官方網站：SlavaSoft
軟體性質：免費軟體
介面語言：英文
系統需求：Windows
A fast and easy-to-use calculator that allows to compute message digests, checksums and HMACs for files, as well as for text and hex strings. It offers a choice of 13 of the most popular hash and checksum algorithms for calculations.
*Support of 12 well-known and documented hash and checksum algorithms: MD2, MD4, MD5, SHA-1, SHA-2( 256, 384, 512), RIPEMD-160, PANAMA, TIGER, ADLER32, CRC32.
*Support of a custom hash algorithm (MD4-based) used in eDonkey and eMule applications.
*Support of 2 modes of calculations: HASH/CHECKSUM and HMAC.
*Support of 3 input data formats: files, text strings and hex strings.
*Work with large size files. (Tested on file sizes up to 15 GB).
*Drag-and-drop support.
*Quick and simple installation.
*Calculates hash/checksum and HMAC for files of any type: music, audio, sound, video, image, icon, text, compression, etc., with the extensions: .mp3, .wav, .avi, .mpg, .midi, .mov, .dvd, .ram, .zip, .rar, .ico, .gif, .pif, .pic, .tif, .tiff, .txt, .doc, .pdf, .wps, .dat, .dll, .hex, .bin, .iso, .cpp, .dss, .par, .pps, .cue, .ram, .md5, .sfv, etc.