var cf = new ConnectionFactory();
cf.Uri = new Uri("amqps://brokerRemoteHostName:5671");
cf.Ssl.Enabled = true;
cf.Ssl.ServerName = "brokerRemoteHostName";
cf.Ssl.CertPath = @"C:UsersmahmoudDocumentscertificate_openssl.p12";
cf.Ssl.CertPassphrase = "myPassword";
var connection = cf.CreateConnection();