Dennis Faas's picture


A checksum is a form of redundancy check, a very simple measure for protecting the integrity of data by detecting errors in data that is sent through space (telecommunications) or time (storage). It works by adding up the basic components of a ... message, typically the bytes, and storing the resulting value. Later, anyone can perform the same operation on the data, compare the result to the authentic checksum, and (assuming that the sums match) conclude that the message was probably not corrupted. The simplest form of checksum, which simply adds up the bytes in the data, cannot detect a number ... (view more)

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