title: Signature validation failed
body: <p>I am using Identity server 4 with Asp.net application MVC 4.5.2 when i run the mvc application its comes to identity server 4 and shows login page. then after filling the credentials it validates the credentials and i have taken redirect to my Mvc 5 application, but sometimes i take this error.</p>
  
  <pre><code>IDX10500: Signature validation failed. Unable to resolve 
  SecurityKeyIdentifier: 'SecurityKeyIdentifier
  (
  IsReadOnly = False,
  Count = 1,
  Clause[0] = System.IdentityModel.Tokens.NamedKeySecurityKeyIdentifierClause
  )
  ', 
  token:
  '{"alg":"RS256","kid":"20200ac5c987a7282847568c7d00dc26","typ":"JWT".
  {"nbf":1487015385,"exp":1487015685,"iss":"https://localhost:44348","aud":"mvc","nonce":"636226121849994491.YTcxMjQ2ZDQtOWVlNC00MDk3LWJhOGYtYTIxNmM4OGFkZjU3NDFhODgzMWMtMmQ4OS00OTRmLWJiMzAtZWM1NzYyZjM3MTI2","iat":1487015385,"c_hash":"qzzLGWDykED_OIG0-TIF8w","sid":"174a7048a9521e2c99462e9b681553ae","sub":"c880d185-f7a1-422b-8cce-dff8142a1a3b","auth_time":1487014828,"idp":"local","amr":["pwd"]}'.
  </code></pre>