Qlik Sense -What encryption method is used to encrypt the Qlik Sense Connection String files

• C:\Program Files\Qlik\Sense\Repository\Repository.exe.config
• C:\ProgramData\Qlik\Sense\Log\QlikCentralizedLogging.config

Environment:
Qlik Sense February 2019

The configuration strings are encrypted using this call:
https://docs.microsoft.com/en-us/dotnet/api/system.configuration.sectioninformation.protectsection?view=netframework-4.7.2

The provider used is this one:
https://docs.microsoft.com/en-us/dotnet/api/system.configuration.dpapiprotectedconfigurationprovider?view=netframework-4.7.2

Basically the encryption uses machine specific encryption leveraging Windows build-in cryptography