The top bit from the byte (also the leading bit in the first nibble) is flipped to produce 00000111, which happens to be 0x07, as shown within the reduce sample. Version control programs. In version Command techniques, MD5 may be used to detect changes in information or to trace revisions https://kameronkgysl.bloginder.com/34205980/the-2-minute-rule-for-what-is-md5-technology