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.

See CNSSI 4009-2015 (IETF RFC 4949 Ver 2) and NIST SP 800-12 Rev. 1 under Checksum (IETF RFC 4949 Ver 2) for more information.

A value computed on data to detect error or manipulation.

See NIST SP 800-128 under Checksum (CNSSI 4009) for more information.

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