The top little bit while in the byte (also the top little bit in the first nibble) is flipped to create 00000111, that's 0x07, as shown from the reduce sample. Now, let's move on to implementing MD5 in code. Note that for practical purposes, it is recommended to use stronger https://gunnerkfzrj.blog-ezine.com/33677243/details-fiction-and-what-is-md5-technology