Data deduplication. MD5 may be used to recognize copy documents by generating a hash for every file and comparing the hashes. If two documents create a similar hash, They can be likely similar, allowing for successful information deduplication. append "1" little bit to message< // Detect: the input bytes are https://emilianoekosu.blogdomago.com/32973193/fascination-about-what-is-md5-technology