Summation check

From Wikipedia, the free encyclopedia

In telecommunication, the term summation check (sum check) has the following meanings:

  • A checksum based on the formation of the sum of the digits of a numeral.
    • Note: The sum of the individual digits is usually compared with a previously computed value.
  • A comparison of checksums on the same data on different occasions or on different representations of the data in order to verify data integrity.

Source: from Federal Standard 1037C