title: Generate private key firebase admin sdk
body: <p>i'm very new with firebase. I need private key to accessing firebase admin sdk for my backend. Actually, my company had used firebase for long time but no one know where is the private key or had been generate it.</p>
  
  <p><a href="https://i.stack.imgur.com/MVWWt.png" rel="noreferrer"><img src="https://i.stack.imgur.com/MVWWt.png" alt="enter image description here"></a></p>
  
  <p>So, here my questions :
  <br>1. what will happen with the old private key when i click generate ? can we still use it ? or the key will be obsolete and caused some services didn't work ?
  <br>2. can the private key used by any platform in parallel ?</p>
  
  <p>thank you</p>
  
  <p>np : sorry for my bad english</p>