X-Git-Url: https://git.distorted.org.uk/~mdw/userv-utils/blobdiff_plain/2dc682257fa1bb6a443c69c56ed724ec3b8dffd9..5e8cb121d0061bf38eb33be82b0b026ddafeda63:/ipif/blowfish.h

diff --git a/ipif/blowfish.h b/ipif/blowfish.h
index 8eb3275..6efd137 100644
--- a/ipif/blowfish.h
+++ b/ipif/blowfish.h
@@ -1,42 +1,69 @@
-/**/
+/*
+ * This file is part of ipif, part of userv-utils
+ *
+ * Copyright 1996-2013 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright 1998 David Damerell <damerell@chiark.greenend.org.uk>
+ * Copyright 1999,2003
+ *    Chancellor Masters and Scholars of the University of Cambridge
+ * Copyright 2010 Tony Finch <fanf@dotat.at>
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with userv-utils; if not, see http://www.gnu.org/licenses/.
+ */
 
 #ifndef BLOWFISH__H_INCLUDED
 #define BLOWFISH__H_INCLUDED
 
+#include <stdint.h>
+
 #define BLOWFISH_BLOCKBYTES 8
 #define BLOWFISH_MAXKEYBYTES 56
 #define BLOWFISH__N 16
 #define BLOWFISH__PSIZE BLOWFISH__N+2
 
-typedef uint32 blowfish__p[BLOWFISH__PSIZE];
-typedef uint32 blowfish__s[4][256];
+typedef uint32_t blowfish__p[BLOWFISH__PSIZE];
+typedef uint32_t blowfish__s[4][256];
 
 struct blowfish_expandedkey {
   blowfish__p p;
   blowfish__s s;
 };
 
+/* It's ok to pass the [_cbc]_(en|de)crypt functions the same
+ * input and output pointers.
+ */
+
 void blowfish_loadkey(struct blowfish_expandedkey *ek,
-		      const uint8 *key, int keybytes);
+		      const uint8_t *key, int keybytes);
 void blowfish_encrypt(const struct blowfish_expandedkey *ek,
-		      const uint8 plain[BLOWFISH_BLOCKBYTES],
-		      uint8 cipher[BLOWFISH_BLOCKBYTES]);
+		      const uint8_t plain[BLOWFISH_BLOCKBYTES],
+		      uint8_t cipher[BLOWFISH_BLOCKBYTES]);
 void blowfish_decrypt(const struct blowfish_expandedkey *ek,
-		      const uint8 cipher[BLOWFISH_BLOCKBYTES],
-		      uint8 plain[BLOWFISH_BLOCKBYTES]);
+		      const uint8_t cipher[BLOWFISH_BLOCKBYTES],
+		      uint8_t plain[BLOWFISH_BLOCKBYTES]);
 
 struct blowfish_cbc_state {
   struct blowfish_expandedkey ek;
-  uint32 chainl, chainr;
+  uint32_t chainl, chainr;
 };
 
 void blowfish_cbc_setiv(struct blowfish_cbc_state *cs,
-			const uint8 iv[BLOWFISH_BLOCKBYTES]);
+			const uint8_t iv[BLOWFISH_BLOCKBYTES]);
 void blowfish_cbc_encrypt(struct blowfish_cbc_state *cs,
-			  const uint8 plain[BLOWFISH_BLOCKBYTES],
-			  uint8 cipher[BLOWFISH_BLOCKBYTES]);
+			  const uint8_t plain[BLOWFISH_BLOCKBYTES],
+			  uint8_t cipher[BLOWFISH_BLOCKBYTES]);
 void blowfish_cbc_decrypt(struct blowfish_cbc_state *cs,
-			  const uint8 cipher[BLOWFISH_BLOCKBYTES],
-			  uint8 plain[BLOWFISH_BLOCKBYTES]);
+			  const uint8_t cipher[BLOWFISH_BLOCKBYTES],
+			  uint8_t plain[BLOWFISH_BLOCKBYTES]);
 
 #endif