# How to make hash sum from string?

**URL:** https://discuss.elastic.co/t/how-to-make-hash-sum-from-string/60897
**Category:** Logstash
**Created:** [September 19, 2016, 2:01pm UTC](https://discuss.elastic.co/t/how-to-make-hash-sum-from-string/60897 "2016-09-19T14:01:26Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)
#### Post date: [September 19, 2016, 2:02pm UTC](https://discuss.elastic.co/t/how-to-make-hash-sum-from-string/60897/2 "2016-09-19T14:02:22Z")

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Use the fingerprint filter.

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_[View the full topic](https://discuss.elastic.co/t/how-to-make-hash-sum-from-string/60897)._