X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/fe6657c961b01ec72e9f35f4c3d96b11b31cf09c..45c0fd363937c6e9b05da04a9167e9912c05ca0c:/skipjack.c

diff --git a/skipjack.c b/skipjack.c
index a4c65b5..d87f22c 100644
--- a/skipjack.c
+++ b/skipjack.c
@@ -7,7 +7,7 @@
  * (c) 2000 Straylight/Edgeware
  */
 
-/*----- Licensing notice --------------------------------------------------* 
+/*----- Licensing notice --------------------------------------------------*
  *
  * This file is part of Catacomb.
  *
@@ -15,12 +15,12 @@
  * it under the terms of the GNU Library General Public License as
  * published by the Free Software Foundation; either version 2 of the
  * License, or (at your option) any later version.
- * 
+ *
  * Catacomb 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 Library General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Library General Public
  * License along with Catacomb; if not, write to the Free
  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
@@ -48,13 +48,13 @@ static const octet f[256] = SKIPJACK_S;
 
 /* --- @skipjack_init@ --- *
  *
- * Arguments:   @skipjack_ctx *k@ = pointer to key block
- *              @const void *buf@ = pointer to key buffer
- *              @size_t sz@ = size of key material
+ * Arguments:	@skipjack_ctx *k@ = pointer to key block
+ *		@const void *buf@ = pointer to key buffer
+ *		@size_t sz@ = size of key material
  *
- * Returns:     ---
+ * Returns:	---
  *
- * Use:         Initializes a Skipjack key buffer.  The key buffer must be
+ * Use:		Initializes a Skipjack key buffer.  The key buffer must be
  *		exactly 10 bytes long.
  */
 
@@ -74,21 +74,21 @@ void skipjack_init(skipjack_ctx *k, const void *buf, size_t sz)
 
 /* --- @skipjack_eblk@, @skipjack_dblk@ --- *
  *
- * Arguments:   @const skipjack_ctx *k@ = pointer to key block
- *              @const uint32 s[2]@ = pointer to source block
- *              @uint32 d[2]@ = pointer to skipjacktination block
+ * Arguments:	@const skipjack_ctx *k@ = pointer to key block
+ *		@const uint32 s[2]@ = pointer to source block
+ *		@uint32 d[2]@ = pointer to skipjacktination block
  *
- * Returns:     ---
+ * Returns:	---
  *
- * Use:         Low-level block encryption and decryption.
+ * Use:		Low-level block encryption and decryption.
  */
 
 #define G(x, k) do {							\
   octet _x = U8(x >> 8), _y = U8(x);					\
   _x ^= f[_y ^ U8(k >> 24)];						\
   _y ^= f[_x ^ U8(k >> 16)];						\
-  _x ^= f[_y ^ U8(k >>  8)];						\
-  _y ^= f[_x ^ U8(k >>  0)];						\
+  _x ^= f[_y ^ U8(k >>	8)];						\
+  _y ^= f[_x ^ U8(k >>	0)];						\
   x = (_x << 8) | _y;							\
 } while (0)
 
@@ -130,8 +130,8 @@ void skipjack_eblk(const skipjack_ctx *k, const uint32 *s, uint32 *d)
 
 #define G_INV(x, k) do {						\
   octet _x = U8(x >> 8), _y = U8(x);					\
-  _y ^= f[_x ^ U8(k >>  0)];						\
-  _x ^= f[_y ^ U8(k >>  8)];						\
+  _y ^= f[_x ^ U8(k >>	0)];						\
+  _x ^= f[_y ^ U8(k >>	8)];						\
   _y ^= f[_x ^ U8(k >> 16)];						\
   _x ^= f[_y ^ U8(k >> 24)];						\
   x = (_x << 8) | _y;							\