# \#crc

**URL:** https://discourse.nodered.org/tag/crc/98.md

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## [A Simple CRC Checksum Node (Subflow)](https://discourse.nodered.org/t/a-simple-crc-checksum-node-subflow/82429)

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**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 0\
**Last updated:** [28 October 2023 18:05 UTC](https://discourse.nodered.org/t/a-simple-crc-checksum-node-subflow/82429 "2023-10-28T18:05:08Z")

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This isn't a published node, but a subflow to easily validate checksums. The subflow requires the following inputs: crcLength : example : 8 crcChecksum : example : "362d" crcAlgorithm : example: "XMODEM" The check w…