title: getting public key format in javascript
body: <p>I want to detect and validate (the format) of public keys, using javascript
  are thy any libraries out there that can help me?
  Basically I want a user to paste his key into a textarea and then I want to parse it to validate that this is in fact a rsa\ssh\etc. key, get the key name (description), bit size and any other relevant info.
  Thank you.</p>