crypto.createDecipher is deprecated

[huahaiy]

(node:12979) [DEP0106] DeprecationWarning: crypto.createDecipher is deprecated.

[tomachinz]

I am also seeing this in my app. I encrypted my preferences with username and password, then decided to switch to using the users private key etc. Have you tried deleting the preference file? In my app I can see my prefs here:

ls -la ~/.config/preferences/

[tomachinz]

Im looking into a fix for this. Just submitting pull request: #14