X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/b817bfc642225b8c3c0b6a7e42d1fb949b61a606..df82bc85db06b9cd8917aec33aadaf151d9d4a46:/blkc.h

diff --git a/blkc.h b/blkc.h
index dfbd4f7..d95c4f9 100644
--- a/blkc.h
+++ b/blkc.h
@@ -1,13 +1,13 @@
 /* -*-c-*-
  *
- * $Id: blkc.h,v 1.7 2004/04/08 01:36:15 mdw Exp $
+ * $Id$
  *
  * Common definitions for block ciphers
  *
  * (c) 1999 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,
@@ -101,6 +101,10 @@
   BLKC_GLUE(BLKC_STEP_X_, BLKC_ENDIAN(PRE))				\
     (PRE, w)
 
+#define BLKC_ZERO(PRE, w)						\
+  BLKC_GLUE(BLKC_ZERO_, BLKC_TYPE(PRE))					\
+    (PRE, w, BLKC_BITS(PRE))
+
 #define BLKC_SET(PRE, w, x)						\
   BLKC_GLUE(BLKC_SET_X_, BLKC_ENDIAN(PRE))				\
     (PRE, w, x)
@@ -154,6 +158,9 @@
   BLKC_SKEL_X(PRE, BLKC_W(w); const BLKC_WX(wx);,			\
 	      *_w ^= *_wx; _w++; _wx++; )				\
 
+#define BLKC_ZERO_X(PRE, w, n)						\
+  BLKC_SKEL_X(PRE, BLKC_W(w);, *_w++ = 0;)
+
 #define BLKC_STEP_X_B(PRE, w) do {					\
   unsigned _i = PRE##_BLKSZ / 4; BLKC_W(w); uint32 _x = 0;		\
   while (_i && !_x) { _i--; _w[_i] = _x = U32(_w[_i] + 1); }		\
@@ -208,6 +215,7 @@
 #define BLKC_XLOAD_GUTS(op, i) _w[i] ^= op(_p + 4 * i)
 #define BLKC_MOVE_GUTS(op, i) _w[i] = _wx[i]
 #define BLKC_XMOVE_GUTS(op, i) _w[i] ^= _wx[i]
+#define BLKC_ZERO_GUTS(op, i) _w[i] = 0
 
 #define BLKC_STORE_N(PRE, b, w, op, n)					\
   BLKC_GLUE(BLKC_SKEL_, n)						\
@@ -230,6 +238,10 @@
   BLKC_GLUE(BLKC_SKEL_, n)						\
     (PRE, BLKC_W(w); const BLKC_WX(wx);, op, BLKC_MOVE_GUTS)
 
+#define BLKC_ZERO_N(PRE, w, n)						\
+  BLKC_GLUE(BLKC_SKEL_, n)						\
+    (PRE, BLKC_W(w); , op, BLKC_ZERO_GUTS)
+
 #define BLKC_XMOVE_N(PRE, w, wx, n)					\
   BLKC_GLUE(BLKC_SKEL_, n)						\
     (PRE, BLKC_W(w); const BLKC_WX(wx);, op, BLKC_XMOVE_GUTS)
@@ -245,6 +257,8 @@
 
 #ifdef TEST_RIG
 
+#include <string.h>
+
 #include <mLib/quis.h>
 #include <mLib/testrig.h>
 
@@ -275,7 +289,7 @@ static int pre##_verify(dstr *v)					\
   if (memcmp(b.buf, v[2].buf, PRE##_BLKSZ)) {				\
     ok = 0;								\
     printf("\nfail encryption:"						\
-           "\n\tkey        = ");					\
+	   "\n\tkey	   = ");					\
     type_hex.dump(&v[0], stdout);					\
     printf("\n\tplaintext  = "); type_hex.dump(&v[1], stdout);		\
     printf("\n\texpected   = "); type_hex.dump(&v[2], stdout);		\
@@ -291,7 +305,7 @@ static int pre##_verify(dstr *v)					\
   if (memcmp(b.buf, v[1].buf, PRE##_BLKSZ)) {				\
     ok = 0;								\
     printf("\nfail decryption:"						\
-           "\n\tkey        = ");					\
+	   "\n\tkey	   = ");					\
     type_hex.dump(&v[0], stdout);					\
     printf("\n\tciphertext = "); type_hex.dump(&v[2], stdout);		\
     printf("\n\texpected   = "); type_hex.dump(&v[1], stdout);		\