What password encryption Jenkins is using?

Question

I am modifying an xml of a Jenkins job. There is a field which is a password. When I get the xml, where it was the raw password now there is a hash.

What I need is to

Answer 1

Another possibility would be to execute a Groovy script via Jenkins Groovy console (you can reach it via JENKINS_URL/script):

println(hudson.util.Secret.decrypt("zlvnUMF1/hXwe3PLoitMpQ6BuQHBJ1FnpH7vmMmQ2qk=")) 

Some other ways would be possible with python:

https://github.com/tweksteen/jenkins-decrypt
https://gist.github.com/menski/8f9980999ed43246b9b2