title: What is a trust provider?
body: <p>As the documentation says:</p>
  
  <p><em>The WinVerifyTrust function enables applications to invoke a trust provider to verify that a specified object satisfies the criteria of a specified verification operation.</em> 
  (from <a href="https://docs.microsoft.com/en-us/windows/win32/api/wintrust/nf-wintrust-winverifytrust" rel="nofollow noreferrer">https://docs.microsoft.com/en-us/windows/win32/api/wintrust/nf-wintrust-winverifytrust</a>)</p>
  
  <p>What actually a trust provider? Where can I find it? what dll's external dll's are loaded when WinVerifyTrust is called?</p>