Source: wikibot/bsd-checksum
= BSD checksum
{wiki=BSD_checksum}
The BSD checksum, also known as the Internet checksum or the RFC 1071 checksum, is a simple error-detection mechanism used primarily in networking protocols to verify the integrity of data. It is widely used in various BSD operating systems and protocols such as IP, TCP, and UDP. \#\#\# How it Works 1. **Data Segmentation**: The data to be checksummed is divided into words (typically 16 bits).