# 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:** 5
**Page:** 1
### Author:  [@KIVagant](https://discuss.elastic.co/u/KIVagant)
#### Post date: [September 19, 2016, 2:01pm UTC](https://discuss.elastic.co/t/how-to-make-hash-sum-from-string/60897/1 "2016-09-19T14:01:26Z")
Hello.
If I have some string field, how I can make a hash sum from that in the Logstash configuration?
Md5 or something else?
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### Author:  [@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")
Use the fingerprint filter.
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### Author:  [@KIVagant](https://discuss.elastic.co/u/KIVagant)
#### Post date: [September 19, 2016, 2:04pm UTC](https://discuss.elastic.co/t/how-to-make-hash-sum-from-string/60897/3 "2016-09-19T14:04:48Z")
Thank you, @magnusbaeck.
Offtopic: can I mark this topic as "resolved" here?
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### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [September 19, 2016, 9:01pm UTC](https://discuss.elastic.co/t/how-to-make-hash-sum-from-string/60897/4 "2016-09-19T21:01:54Z")
There's a solution button somewhere you can click.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 4:37am UTC](https://discuss.elastic.co/t/how-to-make-hash-sum-from-string/60897/5 "2017-07-06T04:37:56Z")