Helpful to verify reports of your own downtime, or to double check a downed website you are trying to access.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
16 bytes + 16 bytes + 16 bytes, etc...
So if you have data that is shorter than the block size itself, it pads the string (usually with null bytes) until the string reaches the block size.
Use trim() on the string to remove the extra characters and then compare the trimmed strings.