# File lib/fog/aws/requests/iam/upload_server_certificate.rb, line 46
        def upload_server_certificate(certificate, private_key, name, options = {})
          if certificate.nil? || certificate.empty? || private_key.nil? || private_key.empty?
            raise Fog::AWS::IAM::ValidationError.new
          end
          response = Excon::Response.new

          # Validate cert and key
          begin
            # must be an RSA private key
            raise OpenSSL::PKey::RSAError unless private_key =~ /BEGIN RSA PRIVATE KEY/

            cert = OpenSSL::X509::Certificate.new(certificate)
            chain = OpenSSL::X509::Certificate.new(options['CertificateChain']) if options['CertificateChain']
            key = OpenSSL::PKey::RSA.new(private_key)
          rescue OpenSSL::X509::CertificateError, OpenSSL::PKey::RSAError => e
            message = if e.is_a?(OpenSSL::X509::CertificateError)
                        "Invalid Public Key Certificate."
                      else
                        "Invalid Private Key."
                      end
            raise Fog::AWS::IAM::MalformedCertificate.new(message)
          end

          unless cert.check_private_key(key)
            raise Fog::AWS::IAM::KeyPairMismatch.new
          end

          if self.data[:server_certificates][name]
            raise Fog::AWS::IAM::EntityAlreadyExists.new
          else
            response.status = 200
            path = options['Path'] || "/"
            data = {
              'Arn' => Fog::AWS::Mock.arn('iam', self.data[:owner_id], "server-certificate/#{name}"),
              'Path' => path,
              'ServerCertificateId' => Fog::AWS::IAM::Mock.server_certificate_id,
              'ServerCertificateName' => name,
              'UploadDate' => Time.now
            }
            self.data[:server_certificates][name] = data
            response.body = {
              'Certificate' => data,
              'RequestId' => Fog::AWS::Mock.request_id
            }
          end

          response
        end