diff --git a/src/libtirpc.map b/src/libtirpc.map
index 449b769..13bc20a 100644
--- a/src/libtirpc.map
+++ b/src/libtirpc.map
@@ -321,6 +321,7 @@ TIRPC_0.3.3 {
     __key_decryptsession_pk_LOCAL;
     __key_encryptsession_pk_LOCAL;
     __key_gendes_LOCAL;
+    authdes_pk_create;
 } TIRPC_0.3.2;
 
 TIRPC_PRIVATE {
diff --git a/src/rpc_soc.c b/src/rpc_soc.c
index e146ed4..03bc0d4 100644
--- a/src/rpc_soc.c
+++ b/src/rpc_soc.c
@@ -61,6 +61,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <rpcsvc/nis.h>
 
 #include "rpc_com.h"
 
@@ -553,6 +554,46 @@ fallback:
 }
 
 /*
+ * Create the client des authentication object. Obsoleted by
+ * authdes_pk_seccreate().
+ */
+extern AUTH *authdes_pk_seccreate(const char *, netobj *, u_int, const char *,
+        const des_block *, nis_server *);
+
+AUTH *
+authdes_pk_create(servername, pkey, window, syncaddr, ckey)
+	char *servername;		/* network name of server */
+	netobj *pkey;			/* public key */
+	u_int window;			/* time to live */
+	struct sockaddr *syncaddr;	/* optional hostaddr to sync with */
+	des_block *ckey;		/* optional conversation key to use */
+{
+	AUTH *nauth;
+	char hostname[NI_MAXHOST];
+
+	if (syncaddr) {
+		/*
+		 * Change addr to hostname, because that is the way
+		 * new interface takes it.
+		 */
+	        switch (syncaddr->sa_family) {
+		case AF_INET:
+		  if (getnameinfo(syncaddr, sizeof(struct sockaddr_in), hostname,
+				  sizeof hostname, NULL, 0, 0) != 0)
+		    goto fallback;
+		  break;
+		default:
+		  goto fallback;
+		}
+		nauth = authdes_pk_seccreate(servername, pkey, window, hostname, ckey, NULL);
+		return (nauth);
+	}
+fallback:
+	return authdes_pk_seccreate(servername, pkey, window, NULL, ckey, NULL);
+}
+
+
+/*
  * Create a client handle for a unix connection. Obsoleted by clnt_vc_create()
  */
 CLIENT *
diff --git a/tirpc/rpc/auth.h b/tirpc/rpc/auth.h
index 3e44863..e67779c 100644
--- a/tirpc/rpc/auth.h
+++ b/tirpc/rpc/auth.h
@@ -313,6 +313,8 @@ extern AUTH *authnone_create(void);		/* takes no parameters */
 extern "C" {
 #endif
 extern AUTH *authdes_create (char *, u_int, struct sockaddr *, des_block *);
+extern AUTH *authdes_pk_create (char *, netobj *, u_int,
+				struct sockaddr *, des_block *);
 extern AUTH *authdes_seccreate (const char *, const u_int, const  char *,
     const  des_block *);
 #ifdef __cplusplus