CRC Variants
In practice, most standards specify presetting the register to all-ones and inverting the CRC before transmission. This has no effect on the ability of a CRC to detect changed bits, but gives it the ability to notice bits that are added to the message.
Read more about this topic: Computation Of CRC
Famous quotes containing the word variants:
“Nationalist pride, like other variants of pride, can be a substitute for self-respect.”
—Eric Hoffer (19021983)