diff -urN radiusd-cistron-1.6-dist/src/Make.inc radiusd-cistron-1.6/src/Make.inc
--- radiusd-cistron-1.6-dist/src/Make.inc	2003-06-02 11:15:30.000000000 -0500
+++ radiusd-cistron-1.6/src/Make.inc	2003-06-02 11:16:33.000000000 -0500
@@ -14,7 +14,8 @@
 		-DRADRELAY_PID=\"$(PID_DIR)/radrelay.pid\"
 
 SERVER_OBJS   = radiusd.o files.o acct.o pam.o version.o proxy.o \
-			exec.o auth.o timestr.o cache.o readusers.o
+			exec.o auth.o timestr.o cache.o readusers.o \
+			crypt16.o
 LIB_OBJS      = dict.o util.o md5.o attrprint.o radius.o log.o pair.o \
 			encrattr.o filters.o
 
@@ -84,6 +85,9 @@
 version.o: version.c $(INCLUDES)
 	$(CC) $(CFLAGS) $(DIRS) $(DBM) $(PAM) -o version.o -c version.c
 
+crypt16.o: crypt16.c $(INCLUDES)
+	$(CC) $(CFLAGS) $(DIRS) -c crypt16.c
+
 encrattr.o: encrattr.c $(INCLUDES)
 	$(CC) $(CFLAGS) $(DIRS) -c encrattr.c
 
diff -urN radiusd-cistron-1.6-dist/src/crypt16.c radiusd-cistron-1.6/src/crypt16.c
--- radiusd-cistron-1.6-dist/src/crypt16.c	1969-12-31 18:00:00.000000000 -0600
+++ radiusd-cistron-1.6/src/crypt16.c	2003-06-02 11:15:39.000000000 -0500
@@ -0,0 +1,33 @@
+#define _XOPEN_SOURCE 500
+
+#include <unistd.h>
+#include <string.h>
+
+char *
+crypt16 (key, salt)
+	char *key;
+	char *salt;
+{
+	static char res[25];
+	static char s2[3];
+	char *p;
+
+	/* Clear the string of any previous data */
+	memset (res, 0, sizeof (res));
+
+	/* crypt the first part */
+	p = crypt (key, salt);
+	strncpy (res, p, 13);
+
+	if (strlen (key) > 8) {
+		/* crypt the rest */
+		/* the first two characters of the first block (not counting
+		 * the salt) make up the new salt */
+		strncpy (s2, &(res[2]), 2);
+		p = crypt (&(key[8]), s2);
+		strncpy (&(res[13]), &(p[2]), 11);
+		memset (s2, 0, sizeof (s2));
+	}
+
+	return (res);
+}
diff -urN radiusd-cistron-1.6-dist/src/radiusd.h radiusd-cistron-1.6/src/radiusd.h
--- radiusd-cistron-1.6-dist/src/radiusd.h	2003-06-02 11:15:30.000000000 -0500
+++ radiusd-cistron-1.6/src/radiusd.h	2003-06-02 11:15:39.000000000 -0500
@@ -358,3 +358,7 @@
 /* timestr.c */
 int		timestr_match(char *, time_t);
 
+/* crypt16.c */
+#define crypt crypt16
+char *		crypt16 (char *, char *);
+