Mostly we’re lazy. We go to a software publisher’s web site and download files and just assume that what’s in the file is what the publisher claims it to be. The problem is that these days web sites ...

Every communication protocol should have a mechanism to determine whether the received data is valid. I once encountered a team that didn’t have such a mechanism. Their device operated in a ...

You send a file, but how do you know it arrived intact? In other words, how do you know that it didn’t get cut off, garbled, or changed somehow? Simplistically, you could just add up all the bytes in ...

I am trying to generate a CRC32 collision for a file which is about 100 KiB. Is this computationally feasible? Would someone please give me a few pointers? hah, yea, you are right! My proc has SSE 4.2 ...