Checksum
Checksum: A value that (a) is computed by a function that is dependent on the contents of a data object and (b) is stored or transmitted together with the…
Definition
A value that (a) is computed by a function that is dependent on the contents of a data object and (b) is stored or transmitted together with the object, for detecting changes in the data.
Alternative Definitions
- Definition 2
Value computed on data to detect error or manipulation. (CNSSI-400) (NISTIR)
- Definition 3
A computed function of the bits in a file that can be used to determine whether the file (or the checksum) has been altered, either by accident or design. A “value computed from the content of a document or data record. Typically this is the sum of the numeric representations of all the characters in the text.” 2005 VVSG GLOSSARY.