diff --git a/manifests/params.pp b/manifests/params.pp
index 456bd7d..9b29811 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -16,26 +16,44 @@
 # @param [String] ssh_strict_modes StrictModes setting for sshd_config
 # @param [String] ssh_max_auth_tries MaxAuthTries setting for sshd_config
 # @param [String] ssh_max_sessions MaxSessions setting for sshd_config
+# @param [String] ssh_pubkey_auth PubkeyAuthentication setting for sshd_config
+# @param [String] ssh_auth_key_files AuthorizedKeysFile setting for sshd_config
+# @param [String] ssh_authorized_principals_file AuthorizedPrincipalsFile 
+#   setting for sshd_config. Default is 'none' to disable this setting.
+# @param [String] ssh_authorized_keys_command AuthorizedKeysCommand setting for sshd_config. 
+#   Default is 'none' to disable this setting.
+# @param [String] ssh_authorized_keys_command_user AuthorizedKeysCommandUser setting for sshd_config.
+#   Default is 'nobody' to use an unpriviledged user.
+# @param [Boolean] ssh_use_specific_hostkey whether to use a specific host key
+# @param [String] ssh_hostkey_type type of host key to use if 
+#   ssh_use_specific_hostkey is true
 ##############################################################################
 class confdroid_ssh::params (
 
-  Array $ssh_reqpackages      = ['openssh','openssh-clients','openssh-server'],
-  String $pkg_ensure          = 'present',
+  Array $ssh_reqpackages                    = ['openssh','openssh-clients','openssh-server'],
+  String $pkg_ensure                        = 'present',
 
   # firewall settings
-  String $ssh_fw_rule         = 'present',
-  String $ssh_fw_port         = '22',
-  String $ssh_fw_order        = '50',
-  String $ssh_source_range    = '0.0.0.0/0',
+  String $ssh_fw_rule                       = 'present',
+  String $ssh_fw_port                       = '22',
+  String $ssh_fw_order                      = '50',
+  String $ssh_source_range                  = '0.0.0.0/0',
 
-  # main configuration 
-  Boolean $ssh_manage_config  = true,
-  String  $ssh_address_family = 'any',
-  String  $ssh_listen_address = '0.0.0.0',
-  String  $ssh_root_login     = 'prohibit-password',
-  String  $ssh_strict_modes   = 'yes',
-  String  $ssh_max_auth_tries = '6',
-  String  $ssh_max_sessions    = '10',
+  # sshd configuration 
+  Boolean $ssh_manage_config                = true,
+  String  $ssh_address_family               = 'any',
+  String  $ssh_listen_address               = '0.0.0.0',
+  String  $ssh_root_login                   = 'prohibit-password',
+  String  $ssh_strict_modes                 = 'yes',
+  String  $ssh_max_auth_tries               = '6',
+  String  $ssh_max_sessions                 = '10',
+  String  $ssh_pubkey_auth                  = 'yes',
+  String  $ssh_auth_key_files               = '.ssh/authorized_keys',
+  String  $ssh_authorized_principals_file   = 'none',
+  String  $ssh_authorized_keys_command      = 'none',
+  String  $ssh_authorized_keys_command_user = 'nobody',
+  Boolean $ssh_use_specific_hostkey         = false,
+  String  $ssh_hostkey_type                 = 'rsa',
 
 ) {
 # default facts
diff --git a/templates/sshd_custom_conf.erb b/templates/sshd_custom_conf.erb
index 496026b..60c43bf 100644
--- a/templates/sshd_custom_conf.erb
+++ b/templates/sshd_custom_conf.erb
@@ -12,4 +12,15 @@ ListenAddress <%= @ssh_listen_address %>
 PermitRootLogin <%= @ssh_root_login %>
 StrictModes <%= @ssh_strict_modes %>
 MaxAuthTries <%= @ssh_max_auth_tries %>
-MaxSessions <%= @ssh_max_sessions %>
\ No newline at end of file
+MaxSessions <%= @ssh_max_sessions %>
+
+PubkeyAuthentication <%= @ssh_pubkey_auth %>
+AuthorizedKeysFile	<%= @ssh_auth_key_files %>
+
+AuthorizedPrincipalsFile <%= @ssh_authorized_principals_file %>
+AuthorizedKeysCommand <%= @ssh_authorized_keys_command %>
+AuthorizedKeysCommandUser <%= @ssh_authorized_keys_command_user %>
+
+<% if @ssh_use_specific_hostkey -%>
+HostKey /etc/ssh/ssh_host_<%= @ssh_hostkey_type %>_key
+<% end -%>
\ No newline at end of file