# Short read of DER length
**URL:** https://discuss.elastic.co/t/short-read-of-der-length/249343
**Category:** Elasticsearch
**Tags:** elastic-stack-security
**Created:** [September 21, 2020, 11:12am UTC](https://discuss.elastic.co/t/short-read-of-der-length/249343 "2020-09-21T11:12:13Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@AkatsukiPain](https://discuss.elastic.co/u/AkatsukiPain)
#### Post date: [September 21, 2020, 11:12am UTC](https://discuss.elastic.co/t/short-read-of-der-length/249343/1 "2020-09-21T11:12:13Z")
I was running this command to generate certificate and the problem occurs
**/usr/share/elasticsearch/bin/elasticsearch-certutil cert --ca /home/elastic-stack-ca.p12**
Could you guys help me this problem?
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### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [September 22, 2020, 10:27pm UTC](https://discuss.elastic.co/t/short-read-of-der-length/249343/2 "2020-09-22T22:27:04Z")
We aren't all guys 😉
Please don't post pictures of text, they are difficult to read, impossible to search and replicate (if it's code), and some people may not be even able to see them 🙂
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### Author:  [@AkatsukiPain](https://discuss.elastic.co/u/AkatsukiPain)
#### Post date: [September 23, 2020, 5:17am UTC](https://discuss.elastic.co/t/short-read-of-der-length/249343/3 "2020-09-23T05:17:02Z")
I solved the problem by follow these steps first then keep working like some guides on google:
> **[elasticsearch-certutil | Elasticsearch Reference \[7.9\] | Elastic](https://www.elastic.co/guide/en/elasticsearch/reference/current/certutil.html)**
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [October 21, 2020, 5:17am UTC](https://discuss.elastic.co/t/short-read-of-der-length/249343/4 "2020-10-21T05:17:07Z")
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