diff --git a/contrib/telnet/libtelnet/enc_des.c b/contrib/telnet/libtelnet/enc_des.c
index 2f7fe6e..72ad44c 100644
--- a/contrib/telnet/libtelnet/enc_des.c
+++ b/contrib/telnet/libtelnet/enc_des.c
@@ -207,9 +207,9 @@ fb64_start(struct fb *fbp, int dir, int server __unused)
 		/*
 		 * Create a random feed and send it over.
 		 */
-		des_random_key((Block *)fbp->temp_feed);
-		des_ecb_encrypt((Block *)fbp->temp_feed, (Block *)fbp->temp_feed,
-				fbp->krbdes_sched, 1);
+		DES_random_key((Block *)fbp->temp_feed);
+		DES_ecb_encrypt((Block *)fbp->temp_feed, (Block *)fbp->temp_feed,
+				&fbp->krbdes_sched, 1);
 		p = fbp->fb_feed + 3;
 		*p++ = ENCRYPT_IS;
 		p++;
@@ -393,7 +393,7 @@ fb64_session(Session_Key *key, int server, struct fb *fbp)
 	fb64_stream_key(fbp->krbdes_key, &fbp->streams[DIR_ENCRYPT-1]);
 	fb64_stream_key(fbp->krbdes_key, &fbp->streams[DIR_DECRYPT-1]);
 
-	des_key_sched((Block *)fbp->krbdes_key, fbp->krbdes_sched);
+	DES_key_sched((Block *)fbp->krbdes_key, &fbp->krbdes_sched);
 	/*
 	 * Now look to see if krbdes_start() was was waiting for
 	 * the key to show up.  If so, go ahead an call it now
@@ -499,7 +499,7 @@ fb64_stream_iv(Block seed, struct stinfo *stp)
 	memmove((void *)stp->str_iv, (void *)seed, sizeof(Block));
 	memmove((void *)stp->str_output, (void *)seed, sizeof(Block));
 
-	des_key_sched((Block *)stp->str_ikey, stp->str_sched);
+	DES_key_sched((Block *)stp->str_ikey, &stp->str_sched);
 
 	stp->str_index = sizeof(Block);
 }
@@ -508,7 +508,7 @@ void
 fb64_stream_key(Block key, struct stinfo *stp)
 {
 	memmove((void *)stp->str_ikey, (void *)key, sizeof(Block));
-	des_key_sched((Block *)key, stp->str_sched);
+	DES_key_sched((Block *)key, &stp->str_sched);
 
 	memmove((void *)stp->str_output, (void *)stp->str_iv, sizeof(Block));
 
@@ -547,7 +547,7 @@ cfb64_encrypt(unsigned char *s, int c)
 	while (c-- > 0) {
 		if (idx == sizeof(Block)) {
 			Block b;
-			des_ecb_encrypt((Block *)stp->str_output, (Block *)b, stp->str_sched, 1);
+			DES_ecb_encrypt((Block *)stp->str_output, (Block *)b, &stp->str_sched, 1);
 			memmove((void *)stp->str_feed, (void *)b, sizeof(Block));
 			idx = 0;
 		}
@@ -580,7 +580,7 @@ cfb64_decrypt(int data)
 	idx = stp->str_index++;
 	if (idx == sizeof(Block)) {
 		Block b;
-		des_ecb_encrypt((Block *)stp->str_output, (Block *)b, stp->str_sched, 1);
+		DES_ecb_encrypt((Block *)stp->str_output, (Block *)b, &stp->str_sched, 1);
 		memmove((void *)stp->str_feed, (void *)b, sizeof(Block));
 		stp->str_index = 1;	/* Next time will be 1 */
 		idx = 0;		/* But now use 0 */
@@ -620,7 +620,7 @@ ofb64_encrypt(unsigned char *s, int c)
 	while (c-- > 0) {
 		if (idx == sizeof(Block)) {
 			Block b;
-			des_ecb_encrypt((Block *)stp->str_feed, (Block *)b, stp->str_sched, 1);
+			DES_ecb_encrypt((Block *)stp->str_feed, (Block *)b, &stp->str_sched, 1);
 			memmove((void *)stp->str_feed, (void *)b, sizeof(Block));
 			idx = 0;
 		}
@@ -650,7 +650,7 @@ ofb64_decrypt(int data)
 	idx = stp->str_index++;
 	if (idx == sizeof(Block)) {
 		Block b;
-		des_ecb_encrypt((Block *)stp->str_feed, (Block *)b, stp->str_sched, 1);
+		DES_ecb_encrypt((Block *)stp->str_feed, (Block *)b, &stp->str_sched, 1);
 		memmove((void *)stp->str_feed, (void *)b, sizeof(Block));
 		stp->str_index = 1;	/* Next time will be 1 */
 		idx = 0;		/* But now use 0 */
diff --git a/contrib/telnet/libtelnet/encrypt.h b/contrib/telnet/libtelnet/encrypt.h
index eda8d57..5574a3c 100644
--- a/contrib/telnet/libtelnet/encrypt.h
+++ b/contrib/telnet/libtelnet/encrypt.h
@@ -67,7 +67,7 @@ typedef unsigned char *BlockT;
 #if 0
 typedef struct { Block __; } Schedule[16];
 #else
-#define Schedule des_key_schedule
+#define Schedule DES_key_schedule
 #endif
 
 #define	VALIDKEY(key)	( key[0] | key[1] | key[2] | key[3] | \
diff --git a/contrib/telnet/libtelnet/pk.c b/contrib/telnet/libtelnet/pk.c
index 05b74f4..033afec 100644
--- a/contrib/telnet/libtelnet/pk.c
+++ b/contrib/telnet/libtelnet/pk.c
@@ -129,7 +129,7 @@ common_key(char *xsecret, char *xpublic, IdeaData *ideakey, DesData *deskey)
         mp_pow(public, secret, modulus, common);
         extractdeskey(common, deskey);
         extractideakey(common, ideakey);
-	des_set_odd_parity(deskey);
+	DES_set_odd_parity(deskey);
         mp_mfree(common);
         mp_mfree(secret);
         mp_mfree(public);
@@ -221,14 +221,14 @@ pk_encode(char *in, char *out, DesData *key)
 {
 	char buf[256];
 	DesData i;
-	des_key_schedule k;
+	DES_key_schedule k;
 	int l,op,deslen;
 
 	memset(&i,0,sizeof(i));
 	memset(buf,0,sizeof(buf));
 	deslen = ((strlen(in) + 7)/8)*8;
-	des_key_sched(key, k);
-	des_cbc_encrypt(in,buf,deslen, k,&i,DES_ENCRYPT);
+	DES_key_sched(key, &k);
+	DES_cbc_encrypt(in,buf,deslen, &k,&i,DES_ENCRYPT);
 	for (l=0,op=0;l<deslen;l++) {
 		out[op++] = hextab[(buf[l] & 0xf0) >> 4];
 		out[op++] = hextab[(buf[l] & 0x0f)];
@@ -242,7 +242,7 @@ pk_decode(char *in, char *out, DesData *key)
 {
 	char buf[256];
 	DesData i;
-	des_key_schedule k;
+	DES_key_schedule k;
 	int n1,n2,op;
 	size_t l;
 
@@ -259,7 +259,7 @@ pk_decode(char *in, char *out, DesData *key)
 			n2 = in[op+1] - '0';
 		buf[l] = n1*16 +n2;
 	}
-	des_key_sched(key, k);
-	des_cbc_encrypt(buf,out,strlen(in)/2, k,&i,DES_DECRYPT);
+	DES_key_sched(key, &k);
+	DES_cbc_encrypt(buf,out,strlen(in)/2, &k,&i,DES_DECRYPT);
 	out[strlen(in)/2] = '\0';
 }
diff --git a/contrib/telnet/libtelnet/pk.h b/contrib/telnet/libtelnet/pk.h
index 555d8eb..0c254a8 100644
--- a/contrib/telnet/libtelnet/pk.h
+++ b/contrib/telnet/libtelnet/pk.h
@@ -32,7 +32,7 @@
 /* header for the des routines that we will use */
 
 typedef unsigned char byte, DesData[ 8], IdeaData[16];
-#define DesKeys des_key_schedule
+#define DesKeys DES_key_schedule
 
 #define DES_DECRYPT 0
 #define DES_ENCRYPT 1