checksum

{
  "id": "MLC-T-CYB-000644",
  "term": "checksum",
  "field": "Cybersecurity",
  "definition": "1. A value computed on data to detect error or manipulation.\n\n2. 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.\n\n3. A value that (a) is computed by a function that is dependent on the content of a data object and (b) is stored or transmitted together with the object, for detecting changes in the data\n\n4. Value computed on data to detect error or manipulation.",
  "see_also": [
    "integrity check value",
    "message authentication code (MAC)",
    "parity bit"
  ],
  "references": [
    "NIST SP 800-128 from CNSSI 4009-2015, CNSSI 4009-2022; NIST SP 800-128 from CNSSI 4009",
    "CNSSI 4009-2015 from IETF RFC 4949 Ver 2; NIST SP 800-53 Rev. 5 from RFC 4949; CNSSI 4009-2022 from IETF RFC 4949 Ver 2",
    "NIST SP 800-12 Rev. 1 from IETF RFC 4949 Ver 2",
    "NISTIR 8202",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/checksum/"
}