diff --git a/des-compat.c b/des-compat.c
new file mode 100644
index 0000000000000000000000000000000000000000..f210361067db39bf2f460f54ab9c9e35c49cbd98
--- /dev/null
+++ b/des-compat.c
@@ -0,0 +1,96 @@
+/* des-compat.h
+ *
+ * The des block cipher, libdes/openssl-style interface.
+ */
+
+/* nettle, low-level cryptographics library
+ *
+ * Copyright (C) 2001 Niels M�ller
+ *  
+ * The nettle library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version.
+ * 
+ * The nettle library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+ * License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the nettle library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#include "des-compat.h"
+
+#include "cbc.h"
+
+void des_ecb3_encrypt(const uint8_t *src, uint8_t *dst,
+		      struct des_ctx *k1, struct des_ctx *k2,
+		      struct des_ctx *k3, int enc)
+{
+  switch(enc)
+    {
+    case DES_ENCRYPT:
+      des_encrypt(k1, dst, src, DES_BLOCK_SIZE);
+      des_decrypt(k2, dst, dst, DES_BLOCK_SIZE);
+      des_encrypt(k3, dst, dst, DES_BLOCK_SIZE);
+      break;
+    case DES_DECRYPT:
+      des_decrypt(k3, dst, src, DES_BLOCK_SIZE);
+      des_encrypt(k2, dst, dst, DES_BLOCK_SIZE);
+      des_decrypt(k1, dst, dst, DES_BLOCK_SIZE);
+      break;
+    default:
+      abort();
+    }
+}
+
+uint32_t
+des_cbc_cksum(const uint8_t *src, uint8_t dst,
+	      long length, struct des_ctx *ctx,
+	      uint8_t *iv);
+
+void
+des_cbc_encrypt(const uint8_t *src, uint8_t *dst, long length,
+		struct des_ctx *ctx, uint8_t *iv,
+		int enc)
+{
+  cbc_encrypt(ctx, (enc == DES_ENCRYPT) ? des_encrypt : des_decrypt,
+              DES_BLOCK_SIZE, iv,
+              length, dst, src);
+}
+
+void
+des_3cbc_encrypt(const uint8_t *src, uint8_t *dst, long length,
+		 struct des_ctx * k1,struct des_ctx *k2, struct des_ctx *k3,
+		 /* What mode is this, two iv:s? */
+		 uint8_t *iv1, uint8_t *iv2,
+		 int enc);
+
+void
+des_ecb_encrypt(const uint8_t *src, uint8_t *dst, long length,
+		struct des_ctx *ctx, uint8_t *iv,
+		int enc)
+{
+  )(enc == DES_ENCRYPT) ? des_encrypt : des_decrypt)(
+}
+void
+des_ede3_cbc_encrypt(const uint8_t *src, uint8_t *dst, long length,
+		     struct des_ctx * k1,struct des_ctx *k2, struct des_ctx *k3,
+		     uint8_t *iv,
+		     int enc);
+
+int
+des_set_odd_parity(uint8_t *key);
+
+int
+des_set_key(const uint8_t *key, struct des_ctx *ctx);
+
+int
+des_key_sched(const uint8_t *key, struct des_ctx *ctx);
+
+int
+des_is_weak_key(const uint8_t key);
diff --git a/des-compat.h b/des-compat.h
index abb6af10b0c226a9a6272ce466abe9e824ad0385..7d4aabb25b52f25284e8944ab70d2be5a9b37f59 100644
--- a/des-compat.h
+++ b/des-compat.h
@@ -35,7 +35,7 @@
 
 #include "des.h"
 
-/* FIXME: Names collides with nettle, so we'll need some ugly symbol
+/* FIXME: Some names collides with nettle, so we'll need some ugly symbol
  * munging */
 
 void des_ecb3_encrypt(const uint8_t *src, uint8_t *dst,