# Decode a asn1 encoded string

**URL:** <https://discuss.elastic.co/t/decode-a-asn1-encoded-string/120776>\
**Category:** Logstash\
**Created:** [February 21, 2018, 7:17am UTC](https://discuss.elastic.co/t/decode-a-asn1-encoded-string/120776 "2018-02-21T07:17:58Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![shubham\_kumar1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/shubham_kumar1/32/22084_2.png) [@shubham\_kumar1](https://discuss.elastic.co/u/shubham_kumar1)\
**Post date:** [February 21, 2018, 7:17am UTC](https://discuss.elastic.co/t/decode-a-asn1-encoded-string/120776/1 "2018-02-21T07:17:58Z")

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Hi all,  
I am parsing a xml log file, inside that i have field which show encoded data, that data is encoded in asn1. I want to decode that field and then parse it to elasticsearch to show the decoded value as an event. Is there a way where i can achieve this by using any plugins or by writing a custom ruby plugin.  
Thanks in advance

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 21, 2018, 7:18am UTC](https://discuss.elastic.co/t/decode-a-asn1-encoded-string/120776/2 "2018-03-21T07:18:05Z")

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