# Which crptographic hash algo does elasticsearch 8.7.0 use? **URL:** \ **Category:** Elasticsearch\ **Created:** [January 18, 2024, 2:48pm UTC](https://discuss.elastic.co/t/which-crptographic-hash-algo-does-elasticsearch-8-7-0-use/351361 "2024-01-18T14:48:46Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![sahadev\_d](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sahadev_d/32/127082_2.png) [@sahadev\_d](https://discuss.elastic.co/u/sahadev_d)\ **Post date:** [January 18, 2024, 2:48pm UTC](https://discuss.elastic.co/t/which-crptographic-hash-algo-does-elasticsearch-8-7-0-use/351361/1 "2024-01-18T14:48:46Z")
Hi community, just wanted to know which hashing algo does elasticsearch 8.7.0 uses for internal hashing. also does it by any chance use sha1 or sha0 Please let me know how can i check the version ---
**Author:** ![TimV](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/timv/32/13162_2.png) [@TimV](https://discuss.elastic.co/u/TimV)\ **Post date:** [January 23, 2024, 12:28am UTC](https://discuss.elastic.co/t/which-crptographic-hash-algo-does-elasticsearch-8-7-0-use/351361/2 "2024-01-23T00:28:01Z")
That's a very vague question. Can you be more specific about what you're looking for? Elasticsearch uses a variety of algorithms for different purposes and many of them are configurable. It's not possible to give you a simple answer. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [February 20, 2024, 12:28am UTC](https://discuss.elastic.co/t/which-crptographic-hash-algo-does-elasticsearch-8-7-0-use/351361/3 "2024-02-20T00:28:45Z")
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