SharePoint 2013 keys and key store

Good afternoon,

|May anyone assist with the below information fromSharePoint 2013 perspective.

1. Which type of mechanism used for encrypt the keys inSharePoint key store?
2. Can we provide the path\directory of the key store?
3. Can we monitored that’s directory by any other system?
4. What the key size and length of SharePoint privet keys?

Regards,