The major little bit in the byte (also the top little bit in the 1st nibble) is flipped to help make 00000111, which can be 0x07, as demonstrated in the reduce sample. append "1" bit to message< // Recognize: the input bytes are considered as bit strings, // the place https://sethpxbeg.blogthisbiz.com/40316994/about-what-is-md5-technology