Nuked almost all trailing whitespace.

Check and install the standard git pre-commit hook.

19 files changed, 137 insertions, 161 deletions

diff --git a/mpi/ChangeLog b/mpi/ChangeLog
index 2bf3f2bf..227f4515 100644
--- a/mpi/ChangeLog
+++ b/mpi/ChangeLog
@@ -74,7 +74,7 @@
 2007-10-29  Werner Koch  <wk@g10code.com>
 
 	* config.links: No Candadian Cross here, thus use $host instead of
-	$target.  
+	$target.
 
 2007-10-26  Werner Koch  <wk@g10code.com>
 
@@ -95,7 +95,7 @@
 
 2007-05-04  Werner Koch  <wk@g10code.com>
 
-	* config.links (path): Allowthe sue of colons as delimiters. 
+	* config.links (path): Allowthe sue of colons as delimiters.
 
 2007-05-03  Werner Koch  <wk@g10code.com>
 
@@ -449,7 +449,7 @@
 	with _gcry_ or gcry_.  Renamed also all mpihelp_ to just mpih_ so
 	that functions names are not getting to long an unreadable and for
 	better matching with the filenames.
-	
+
 2001-05-28  Werner Koch  <wk@gnupg.org>
 
 	* mpicoder.c (mpi_fromstr): Made static and assume that all input
@@ -479,14 +479,14 @@
 
  	Major change:
 	Removed all GnuPG stuff and renamed this piece of software
-	to gcrypt. 
+	to gcrypt.
 
 2000-11-14  Werner Koch  <wk@gnupg.org>
 
 	* mpi-internal.h, mpi.h: Changed the way they are called and
 	introduced DID_MPI_LIMP_TYPEDEF hack.  Very ugly, should all be
 	revamped.
-	
+
 	* Makefile.am (OMIT_DEPENDENCIES): Hack to work around dependency
 	problems.
 
diff --git a/mpi/Makefile.am b/mpi/Makefile.am
index edfc5dfd..e900539a 100644
--- a/mpi/Makefile.am
+++ b/mpi/Makefile.am
@@ -65,7 +65,7 @@ else
 if MPI_MOD_C_MPIH_ADD1
 mpih_add1 = mpih-add1.c
 else
-mpih_add1 = 
+mpih_add1 =
 endif
 endif
 
@@ -75,7 +75,7 @@ else
 if MPI_MOD_C_MPIH_SUB1
 mpih_sub1 = mpih-sub1.c
 else
-mpih_sub1 = 
+mpih_sub1 =
 endif
 endif
 
@@ -85,7 +85,7 @@ else
 if MPI_MOD_C_MPIH_MUL1
 mpih_mul1 = mpih-mul1.c
 else
-mpih_mul1 = 
+mpih_mul1 =
 endif
 endif
 
@@ -95,7 +95,7 @@ else
 if MPI_MOD_C_MPIH_MUL2
 mpih_mul2 = mpih-mul2.c
 else
-mpih_mul2 = 
+mpih_mul2 =
 endif
 endif
 
@@ -105,7 +105,7 @@ else
 if MPI_MOD_C_MPIH_MUL3
 mpih_mul3 = mpih-mul3.c
 else
-mpih_mul3 = 
+mpih_mul3 =
 endif
 endif
 
@@ -115,7 +115,7 @@ else
 if MPI_MOD_C_MPIH_LSHIFT
 mpih_lshift = mpih-lshift.c
 else
-mpih_lshift = 
+mpih_lshift =
 endif
 endif
 
@@ -125,7 +125,7 @@ else
 if MPI_MOD_C_MPIH_RSHIFT
 mpih_rshift = mpih-rshift.c
 else
-mpih_rshift = 
+mpih_rshift =
 endif
 endif
 
@@ -135,7 +135,7 @@ else
 if MPI_MOD_C_UDIV
 udiv = udiv.c
 else
-udiv = 
+udiv =
 endif
 endif
 
@@ -145,7 +145,7 @@ else
 if MPI_MOD_C_UDIV_QRNND
 udiv_qrnnd = udiv-qrnnd.c
 else
-udiv_qrnnd = 
+udiv_qrnnd =
 endif
 endif
 
diff --git a/mpi/config.links b/mpi/config.links
index 79506379..7e910ee3 100644
--- a/mpi/config.links
+++ b/mpi/config.links
@@ -310,7 +310,7 @@ fi
 mpi_required_modules=$mpi_standard_modules
 if test "$mpi_extra_modules" != ""; then
   for fn in $mpi_extra_modules; do
-      for i in $mpi_optional_modules; do 
+      for i in $mpi_optional_modules; do
           if test "$fn" = "$i" ; then
              mpi_required_modules="$mpi_required_modules $fn"
           fi
@@ -358,4 +358,3 @@ for dir in $path ; do
         break;
     fi
 done
-
diff --git a/mpi/ec.c b/mpi/ec.c
index 4a3a5f8c..e3253580 100644
--- a/mpi/ec.c
+++ b/mpi/ec.c
@@ -2,17 +2,17 @@
    Copyright (C) 2007 Free Software Foundation, Inc.
 
    This file is part of Libgcrypt.
-  
+
    Libgcrypt 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.
-  
+
    Libgcrypt 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 this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
@@ -54,7 +54,7 @@ struct mpi_ec_ctx_s
 
   /* Scratch variables.  */
   gcry_mpi_t scratch[11];
-  
+
   /* Helper for fast reduction.  */
 /*   int nist_nbits; /\* If this is a NIST curve, the number of bits.  *\/ */
 /*   gcry_mpi_t s[10]; */
@@ -177,7 +177,7 @@ ec_mulm (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, mpi_ec_t ctx)
                      i = 0; } while (0)
 #define X(a) do { sp[i++] = wp[(a)];} while (0)
 #define X0(a) do { sp[i++] = 0; } while (0)
-      NEXT(0); 
+      NEXT(0);
       X(0);X(1);X(2);X(3);X(4);X(5);X(6);X(7);X(8);X(9);X(10);X(11);
       NEXT(1);
       X0();X0();X0();X0();X(21);X(22);X(23);X0();X0();X0();X0();X0();
@@ -239,10 +239,10 @@ ec_invm (gcry_mpi_t x, gcry_mpi_t a, mpi_ec_t ctx)
 
 /* This function returns a new context for elliptic curve based on the
    field GF(p).  P is the prime specifying thuis field, A is the first
-   coefficient. 
+   coefficient.
 
    This context needs to be released using _gcry_mpi_ec_free.  */
-mpi_ec_t 
+mpi_ec_t
 _gcry_mpi_ec_init (gcry_mpi_t p, gcry_mpi_t a)
 {
   int i;
@@ -392,7 +392,7 @@ _gcry_mpi_ec_dup_point (mpi_point_t *result, mpi_point_t *point, mpi_ec_t ctx)
 #define l3 (ctx->scratch[5])
 
   if (!mpi_cmp_ui (point->y, 0) || !mpi_cmp_ui (point->z, 0))
-    {                      
+    {
       /* P_y == 0 || P_z == 0 => [1:1:0] */
       mpi_set_ui (x3, 1);
       mpi_set_ui (y3, 1);
@@ -401,29 +401,29 @@ _gcry_mpi_ec_dup_point (mpi_point_t *result, mpi_point_t *point, mpi_ec_t ctx)
   else
     {
       if (ctx->a_is_pminus3)  /* Use the faster case.  */
-        {               
+        {
           /* L1 = 3(X - Z^2)(X + Z^2) */
           /*                          T1: used for Z^2. */
           /*                          T2: used for the right term.  */
-          ec_powm (t1, point->z, ctx->two, ctx);   
-          ec_subm (l1, point->x, t1, ctx);   
+          ec_powm (t1, point->z, ctx->two, ctx);
+          ec_subm (l1, point->x, t1, ctx);
           ec_mulm (l1, l1, ctx->three, ctx);
-          ec_addm (t2, point->x, t1, ctx);   
-          ec_mulm (l1, l1, t2, ctx);   
+          ec_addm (t2, point->x, t1, ctx);
+          ec_mulm (l1, l1, t2, ctx);
         }
       else /* Standard case. */
         {
           /* L1 = 3X^2 + aZ^4 */
           /*                          T1: used for aZ^4. */
-          ec_powm (l1, point->x, ctx->two, ctx); 
-          ec_mulm (l1, l1, ctx->three, ctx);  
-          ec_powm (t1, point->z, ctx->four, ctx); 
-          ec_mulm (t1, t1, ctx->a, ctx);    
-          ec_addm (l1, l1, t1, ctx); 
+          ec_powm (l1, point->x, ctx->two, ctx);
+          ec_mulm (l1, l1, ctx->three, ctx);
+          ec_powm (t1, point->z, ctx->four, ctx);
+          ec_mulm (t1, t1, ctx->a, ctx);
+          ec_addm (l1, l1, t1, ctx);
         }
       /* Z3 = 2YZ */
       ec_mulm (z3, point->y, point->z, ctx);
-      ec_mulm (z3, z3, ctx->two, ctx);       
+      ec_mulm (z3, z3, ctx->two, ctx);
 
       /* L2 = 4XY^2 */
       /*                              T2: used for Y2; required later. */
@@ -436,10 +436,10 @@ _gcry_mpi_ec_dup_point (mpi_point_t *result, mpi_point_t *point, mpi_ec_t ctx)
       ec_powm (x3, l1, ctx->two, ctx);
       ec_mulm (t1, l2, ctx->two, ctx);
       ec_subm (x3, x3, t1, ctx);
-      
+
       /* L3 = 8Y^4 */
       /*                              T2: taken from above. */
-      ec_powm (t2, t2, ctx->two, ctx); 
+      ec_powm (t2, t2, ctx->two, ctx);
       ec_mulm (l3, t2, ctx->eight, ctx);
 
       /* Y3 = L1(L2 - X3) - L3 */
@@ -463,8 +463,8 @@ _gcry_mpi_ec_dup_point (mpi_point_t *result, mpi_point_t *point, mpi_ec_t ctx)
 
 /* RESULT = P1 + P2 */
 void
-_gcry_mpi_ec_add_points (mpi_point_t *result, 
-                         mpi_point_t *p1, mpi_point_t *p2, 
+_gcry_mpi_ec_add_points (mpi_point_t *result,
+                         mpi_point_t *p1, mpi_point_t *p2,
                          mpi_ec_t ctx)
 {
 #define x1 (p1->x    )
@@ -518,14 +518,14 @@ _gcry_mpi_ec_add_points (mpi_point_t *result,
         mpi_set (l1, x1);
       else
         {
-          ec_powm (l1, z2, ctx->two, ctx); 
+          ec_powm (l1, z2, ctx->two, ctx);
           ec_mulm (l1, l1, x1, ctx);
         }
       if (z1_is_one)
         mpi_set (l2, x1);
       else
         {
-          ec_powm (l2, z1, ctx->two, ctx); 
+          ec_powm (l2, z1, ctx->two, ctx);
           ec_mulm (l2, l2, x2, ctx);
         }
       /* l3 = l1 - l2 */
@@ -620,16 +620,16 @@ _gcry_mpi_ec_mul_point (mpi_point_t *result,
   nbits = mpi_get_nbits (scalar);
   mpi_set_ui (result->x, 1);
   mpi_set_ui (result->y, 1);
-  mpi_set_ui (result->z, 0); 
+  mpi_set_ui (result->z, 0);
 
   for (i=nbits-1; i >= 0; i--)
     {
       _gcry_mpi_ec_dup_point (result, result, ctx);
       if (mpi_test_bit (scalar, i) == 1)
-        _gcry_mpi_ec_add_points (result, result, point, ctx); 
+        _gcry_mpi_ec_add_points (result, result, point, ctx);
     }
 
-#else 
+#else
   gcry_mpi_t x1, y1, z1, k, h, yy;
   unsigned int i, loops;
   mpi_point_t p1, p2, p1inv;
@@ -638,16 +638,16 @@ _gcry_mpi_ec_mul_point (mpi_point_t *result,
   y1 = mpi_alloc_like (ctx->p);
   h  = mpi_alloc_like (ctx->p);
   k  = mpi_copy (scalar);
-  yy = mpi_copy (point->y); 
+  yy = mpi_copy (point->y);
 
   if ( mpi_is_neg (k) )
-    {                          
+    {
       k->sign = 0;
       ec_invm (yy, yy, ctx);
     }
 
   if (!mpi_cmp_ui (point->z, 1))
-    {                           
+    {
       mpi_set (x1, point->x);
       mpi_set (y1, yy);
     }
@@ -657,12 +657,12 @@ _gcry_mpi_ec_mul_point (mpi_point_t *result,
 
       z2 = mpi_alloc_like (ctx->p);
       z3 = mpi_alloc_like (ctx->p);
-      ec_mulm (z2, point->z, point->z, ctx);      
-      ec_mulm (z3, point->z, z2, ctx);      
-      ec_invm (z2, z2, ctx);          
+      ec_mulm (z2, point->z, point->z, ctx);
+      ec_mulm (z3, point->z, z2, ctx);
+      ec_invm (z2, z2, ctx);
       ec_mulm (x1, point->x, z2, ctx);
-      ec_invm (z3, z3, ctx);          
-      ec_mulm (y1, yy, z3, ctx);      
+      ec_invm (z3, z3, ctx);
+      ec_mulm (y1, yy, z3, ctx);
       mpi_free (z2);
       mpi_free (z3);
     }
@@ -673,7 +673,7 @@ _gcry_mpi_ec_mul_point (mpi_point_t *result,
 
   mpi_set (result->x, point->x);
   mpi_set (result->y, yy); mpi_free (yy); yy = NULL;
-  mpi_set (result->z, point->z); 
+  mpi_set (result->z, point->z);
 
   p1.x = x1; x1 = NULL;
   p1.y = y1; y1 = NULL;
@@ -682,12 +682,12 @@ _gcry_mpi_ec_mul_point (mpi_point_t *result,
   point_init (&p1inv);
 
   for (i=loops-2; i > 0; i--)
-    { 
+    {
       _gcry_mpi_ec_dup_point (result, result, ctx);
       if (mpi_test_bit (h, i) == 1 && mpi_test_bit (k, i) == 0)
-        { 
+        {
           point_set (&p2, result);
-          _gcry_mpi_ec_add_points (result, &p2, &p1, ctx); 
+          _gcry_mpi_ec_add_points (result, &p2, &p1, ctx);
         }
       if (mpi_test_bit (h, i) == 0 && mpi_test_bit (k, i) == 1)
         {
@@ -695,7 +695,7 @@ _gcry_mpi_ec_mul_point (mpi_point_t *result,
           /* Invert point: y = p - y mod p  */
           point_set (&p1inv, &p1);
           ec_subm (p1inv.y, ctx->p, p1inv.y, ctx);
-          _gcry_mpi_ec_add_points (result, &p2, &p1inv, ctx); 
+          _gcry_mpi_ec_add_points (result, &p2, &p1inv, ctx);
         }
     }
 
@@ -706,4 +706,3 @@ _gcry_mpi_ec_mul_point (mpi_point_t *result,
   mpi_free (k);
 #endif
 }
-
diff --git a/mpi/mpi-add.c b/mpi/mpi-add.c
index ada257ae..98abc565 100644
--- a/mpi/mpi-add.c
+++ b/mpi/mpi-add.c
@@ -233,4 +233,3 @@ gcry_mpi_subm( gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m)
     gcry_mpi_sub(w, u, v);
     _gcry_mpi_fdiv_r( w, w, m );
 }
-
diff --git a/mpi/mpi-bit.c b/mpi/mpi-bit.c
index dbfdfcfa..cdc6b0b3 100644
--- a/mpi/mpi-bit.c
+++ b/mpi/mpi-bit.c
@@ -120,7 +120,7 @@ gcry_mpi_set_bit( gcry_mpi_t a, unsigned int n )
   limbno = n / BITS_PER_MPI_LIMB;
   bitno  = n % BITS_PER_MPI_LIMB;
 
-  if ( limbno >= a->nlimbs ) 
+  if ( limbno >= a->nlimbs )
     {
       mpi_resize (a, limbno+1 );
       a->nlimbs = limbno+1;
@@ -135,12 +135,12 @@ void
 gcry_mpi_set_highbit( gcry_mpi_t a, unsigned int n )
 {
   unsigned int limbno, bitno;
-  
+
   limbno = n / BITS_PER_MPI_LIMB;
   bitno  = n % BITS_PER_MPI_LIMB;
-  
-  if ( limbno >= a->nlimbs ) 
-    { 
+
+  if ( limbno >= a->nlimbs )
+    {
       mpi_resize (a, limbno+1 );
       a->nlimbs = limbno+1;
     }
@@ -276,7 +276,7 @@ gcry_mpi_rshift ( gcry_mpi_t x, gcry_mpi_t a, unsigned int n )
       x->sign = a->sign;
       RESIZE_IF_NEEDED (x, xsize);
       x->nlimbs = xsize;
-      
+
       if ( xsize )
         {
           if (nbits )
@@ -362,4 +362,3 @@ gcry_mpi_lshift ( gcry_mpi_t x, gcry_mpi_t a, unsigned int n )
 
   MPN_NORMALIZE (x->d, x->nlimbs);
 }
-
diff --git a/mpi/mpi-div.c b/mpi/mpi-div.c
index 0d8a2d16..a6ee3006 100644
--- a/mpi/mpi-div.c
+++ b/mpi/mpi-div.c
@@ -353,6 +353,3 @@ gcry_mpi_div (gcry_mpi_t quot, gcry_mpi_t rem, gcry_mpi_t dividend, gcry_mpi_t d
   else
     log_bug ("mpi rounding to ceiling not yet implemented\n");
 }
-
-
-
diff --git a/mpi/mpi-gcd.c b/mpi/mpi-gcd.c
index 51841e78..5cbefa12 100644
--- a/mpi/mpi-gcd.c
+++ b/mpi/mpi-gcd.c
@@ -49,6 +49,3 @@ gcry_mpi_gcd( gcry_mpi_t g, gcry_mpi_t xa, gcry_mpi_t xb )
     mpi_free(b);
     return !gcry_mpi_cmp_ui( g, 1);
 }
-
-
-
diff --git a/mpi/mpi-inline.c b/mpi/mpi-inline.c
index fdccb8f1..39e22224 100644
--- a/mpi/mpi-inline.c
+++ b/mpi/mpi-inline.c
@@ -33,4 +33,3 @@
  * of the macro allows us to do so
  */
 #include "mpi-inline.h"
-
diff --git a/mpi/mpi-internal.h b/mpi/mpi-internal.h
index f9c1f9d4..e75b7c6d 100644
--- a/mpi/mpi-internal.h
+++ b/mpi/mpi-internal.h
@@ -275,4 +275,3 @@ mpi_limb_t _gcry_mpih_rshift( mpi_ptr_t wp, mpi_ptr_t up, mpi_size_t usize,
 #endif
 
 #endif /*G10_MPI_INTERNAL_H*/
-
diff --git a/mpi/mpi-mod.c b/mpi/mpi-mod.c
index 948bf231..7ebfe6dc 100644
--- a/mpi/mpi-mod.c
+++ b/mpi/mpi-mod.c
@@ -3,17 +3,17 @@
                  2007  Free Software Foundation, Inc.
 
    This file is part of Libgcrypt.
-  
+
    Libgcrypt 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.
-  
+
    Libgcrypt 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 this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
@@ -35,7 +35,7 @@ struct barrett_ctx_s
   gcry_mpi_t m;   /* The modulus - may not be modified. */
   int m_copied;   /* If true, M needs to be released.  */
   int k;
-  gcry_mpi_t y; 
+  gcry_mpi_t y;
   gcry_mpi_t r1;  /* Helper MPI. */
   gcry_mpi_t r2;  /* Helper MPI. */
   gcry_mpi_t r3;  /* Helper MPI allocated on demand. */
@@ -56,7 +56,7 @@ _gcry_mpi_mod (gcry_mpi_t rem, gcry_mpi_t dividend, gcry_mpi_t divisor)
    _gcry_mpi_barrett_free.  If COPY is true M will be transferred to
    the context and the user may change M.  If COPY is false, M may not
    be changed until gcry_mpi_barrett_free has been called. */
-mpi_barrett_t 
+mpi_barrett_t
 _gcry_mpi_barrett_init (gcry_mpi_t m, int copy)
 {
   mpi_barrett_t ctx;
@@ -137,7 +137,7 @@ _gcry_mpi_mod_barrett (gcry_mpi_t r, gcry_mpi_t x, mpi_barrett_t ctx)
   /* 1. q1 = floor( x / b^k-1)
    *    q2 = q1 * y
    *    q3 = floor( q2 / b^k+1 )
-   * Actually, we don't need qx, we can work direct on r2 
+   * Actually, we don't need qx, we can work direct on r2
    */
   mpi_set ( r2, x );
   mpi_rshift_limbs ( r2, k-1 );
@@ -167,7 +167,7 @@ _gcry_mpi_mod_barrett (gcry_mpi_t r, gcry_mpi_t x, mpi_barrett_t ctx)
         }
       mpi_add ( r, r, ctx->r3 );
     }
-  
+
   /* 4. while r >= m do r = r - m */
   while ( mpi_cmp( r, m ) >= 0 )
     mpi_sub ( r, r, m );
@@ -182,4 +182,3 @@ _gcry_mpi_mul_barrett (gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v,
   gcry_mpi_mul (w, u, v);
   mpi_mod_barrett (w, w, ctx);
 }
-
diff --git a/mpi/mpi-mpow.c b/mpi/mpi-mpow.c
index 131c5b67..ca5b3f18 100644
--- a/mpi/mpi-mpow.c
+++ b/mpi/mpi-mpow.c
@@ -221,4 +221,3 @@ calc_barrett( gcry_mpi_t r, gcry_mpi_t x, gcry_mpi_t m, gcry_mpi_t y, int k, gcr
     return 0;
 }
 #endif /* USE_BARRETT */
-
diff --git a/mpi/mpi-mul.c b/mpi/mpi-mul.c
index 25aeaa0a..9aefd217 100644
--- a/mpi/mpi-mul.c
+++ b/mpi/mpi-mul.c
@@ -144,7 +144,7 @@ gcry_mpi_mul( gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v)
     wsize = usize + vsize;
     if ( !mpi_is_secure (w) && (mpi_is_secure (u) || mpi_is_secure (v)) ) {
         /* w is not allocated in secure space but u or v is.  To make sure
-         * that no temporray results are stored in w, we temporary use 
+         * that no temporray results are stored in w, we temporary use
          * a newly allocated limb space for w */
         wp = mpi_alloc_limb_space( wsize, 1 );
         assign_wp = 2; /* mark it as 2 so that we can later copy it back to
@@ -210,4 +210,3 @@ gcry_mpi_mulm( gcry_mpi_t w, gcry_mpi_t u, gcry_mpi_t v, gcry_mpi_t m)
     gcry_mpi_mul(w, u, v);
     _gcry_mpi_fdiv_r( w, w, m );
 }
-
diff --git a/mpi/mpi-pow.c b/mpi/mpi-pow.c
index ca7ead02..fbdb7ce5 100644
--- a/mpi/mpi-pow.c
+++ b/mpi/mpi-pow.c
@@ -37,7 +37,7 @@
  * RES = BASE ^ EXPO mod MOD
  */
 void
-gcry_mpi_powm (gcry_mpi_t res, 
+gcry_mpi_powm (gcry_mpi_t res,
                gcry_mpi_t base, gcry_mpi_t expo, gcry_mpi_t mod)
 {
   /* Pointer to the limbs of the arguments, their size and signs. */
@@ -45,7 +45,7 @@ gcry_mpi_powm (gcry_mpi_t res,
   mpi_size_t esize, msize, bsize, rsize;
   int               msign, bsign, rsign;
   /* Flags telling the secure allocation status of the arguments.  */
-  int        esec,  msec,  bsec,  rsec;  
+  int        esec,  msec,  bsec,  rsec;
   /* Size of the result including space for temporary values.  */
   mpi_size_t size;
   /* Helper.  */
@@ -60,14 +60,14 @@ gcry_mpi_powm (gcry_mpi_t res,
   unsigned int ep_nlimbs = 0;
   unsigned int xp_nlimbs = 0;
   mpi_ptr_t tspace = NULL;
-  mpi_size_t tsize = 0; 
+  mpi_size_t tsize = 0;
 
 
   esize = expo->nlimbs;
   msize = mod->nlimbs;
   size = 2 * msize;
   msign = mod->sign;
-  
+
   esec = mpi_is_secure(expo);
   msec = mpi_is_secure(mod);
   bsec = mpi_is_secure(base);
@@ -79,7 +79,7 @@ gcry_mpi_powm (gcry_mpi_t res,
   if (!msize)
     msize = 1 / msize;	    /* Provoke a signal.  */
 
-  if (!esize) 
+  if (!esize)
     {
       /* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0 depending
         on if MOD equals 1.  */
@@ -103,7 +103,7 @@ gcry_mpi_powm (gcry_mpi_t res,
 
   bsize = base->nlimbs;
   bsign = base->sign;
-  if (bsize > msize) 
+  if (bsize > msize)
     {
       /* The base is larger than the module.  Reduce it.
 
@@ -147,7 +147,7 @@ gcry_mpi_powm (gcry_mpi_t res,
       ep = ep_marker = mpi_alloc_limb_space( esize, esec );
       MPN_COPY(ep, rp, esize);
     }
-  if ( rp == mp ) 
+  if ( rp == mp )
     {
       /* RES and MOD are identical.  Allocate temporary space for MOD.*/
       gcry_assert (!mp_marker);
@@ -165,7 +165,7 @@ gcry_mpi_powm (gcry_mpi_t res,
   MPN_COPY ( rp, bp, bsize );
   rsize = bsize;
   rsign = bsign;
-  
+
   /* Main processing.  */
   {
     mpi_size_t i;
@@ -174,13 +174,13 @@ gcry_mpi_powm (gcry_mpi_t res,
     mpi_limb_t e;
     mpi_limb_t carry_limb;
     struct karatsuba_ctx karactx;
-    
+
     xp_nlimbs = msec? (2 * (msize + 1)):0;
     xp = xp_marker = mpi_alloc_limb_space( 2 * (msize + 1), msec );
-    
+
     memset( &karactx, 0, sizeof karactx );
     negative_result = (ep[0] & 1) && base->sign;
-    
+
     i = esize - 1;
     e = ep[i];
     count_leading_zeros (c, e);
@@ -188,7 +188,7 @@ gcry_mpi_powm (gcry_mpi_t res,
     c = BITS_PER_MPI_LIMB - 1 - c;
 
     /* Main loop.
-     
+
        Make the result be pointed to alternately by XP and RP.  This
        helps us avoid block copying, which would otherwise be
        necessary with the overlap restrictions of
@@ -197,17 +197,17 @@ gcry_mpi_powm (gcry_mpi_t res,
        and with 50% probability in the area originally pointed to by XP. */
     for (;;)
       {
-        while (c) 
+        while (c)
           {
             mpi_ptr_t tp;
             mpi_size_t xsize;
-            
+
             /*mpih_mul_n(xp, rp, rp, rsize);*/
             if ( rsize < KARATSUBA_THRESHOLD )
               _gcry_mpih_sqr_n_basecase( xp, rp, rsize );
-            else 
+            else
               {
-                if ( !tspace ) 
+                if ( !tspace )
                   {
                     tsize = 2 * rsize;
                     tspace = mpi_alloc_limb_space( tsize, 0 );
@@ -234,19 +234,19 @@ gcry_mpi_powm (gcry_mpi_t res,
             if ( (mpi_limb_signed_t)e < 0 )
               {
                 /*mpih_mul( xp, rp, rsize, bp, bsize );*/
-                if( bsize < KARATSUBA_THRESHOLD ) 
+                if( bsize < KARATSUBA_THRESHOLD )
                   _gcry_mpih_mul ( xp, rp, rsize, bp, bsize );
-                else 
+                else
                   _gcry_mpih_mul_karatsuba_case (xp, rp, rsize, bp, bsize,
                                                  &karactx);
-                
+
                 xsize = rsize + bsize;
-                if ( xsize > msize ) 
+                if ( xsize > msize )
                   {
                     _gcry_mpih_divrem(xp + msize, 0, xp, xsize, mp, msize);
                     xsize = msize;
                   }
-                
+
                 tp = rp; rp = xp; xp = tp;
                 rsize = xsize;
               }
@@ -267,7 +267,7 @@ gcry_mpi_powm (gcry_mpi_t res,
 
        Also make sure the result is put in RES->d (where it already
        might be, see above).  */
-    if ( mod_shift_cnt ) 
+    if ( mod_shift_cnt )
       {
         carry_limb = _gcry_mpih_lshift( res->d, rp, rsize, mod_shift_cnt);
         rp = res->d;
@@ -283,7 +283,7 @@ gcry_mpi_powm (gcry_mpi_t res,
         rp = res->d;
       }
 
-    if ( rsize >= msize ) 
+    if ( rsize >= msize )
       {
         _gcry_mpih_divrem(rp + msize, 0, rp, rsize, mp, msize);
         rsize = msize;
@@ -293,7 +293,7 @@ gcry_mpi_powm (gcry_mpi_t res,
     if ( mod_shift_cnt )
       _gcry_mpih_rshift( rp, rp, rsize, mod_shift_cnt);
     MPN_NORMALIZE (rp, rsize);
-    
+
     _gcry_mpih_release_karatsuba_ctx (&karactx );
   }
 
@@ -310,7 +310,7 @@ gcry_mpi_powm (gcry_mpi_t res,
   gcry_assert (res->d == rp);
   res->nlimbs = rsize;
   res->sign = rsign;
-  
+
  leave:
   if (mp_marker)
     _gcry_mpi_free_limb_space( mp_marker, mp_nlimbs );
@@ -323,4 +323,3 @@ gcry_mpi_powm (gcry_mpi_t res,
   if (tspace)
     _gcry_mpi_free_limb_space( tspace, 0 );
 }
-
diff --git a/mpi/mpi-scan.c b/mpi/mpi-scan.c
index 90699cdd..2473cd9b 100644
--- a/mpi/mpi-scan.c
+++ b/mpi/mpi-scan.c
@@ -128,5 +128,3 @@ _gcry_mpi_trailing_zeros( gcry_mpi_t a )
     return count;
 
 }
-
-
diff --git a/mpi/mpicoder.c b/mpi/mpicoder.c
index d73b5624..f499796d 100644
--- a/mpi/mpicoder.c
+++ b/mpi/mpicoder.c
@@ -37,7 +37,7 @@ mpi_read_from_buffer (const unsigned char *buffer, unsigned *ret_nread,
   unsigned int nbits, nbytes, nlimbs, nread=0;
   mpi_limb_t a;
   gcry_mpi_t val = MPI_NULL;
-  
+
   if ( *ret_nread < 2 )
     goto leave;
   nbits = buffer[0] << 8 | buffer[1];
@@ -59,7 +59,7 @@ mpi_read_from_buffer (const unsigned char *buffer, unsigned *ret_nread,
   for ( ; j > 0; j-- )
     {
       a = 0;
-      for (; i < BYTES_PER_MPI_LIMB; i++ ) 
+      for (; i < BYTES_PER_MPI_LIMB; i++ )
         {
           if ( ++nread > *ret_nread )
             {
@@ -74,7 +74,7 @@ mpi_read_from_buffer (const unsigned char *buffer, unsigned *ret_nread,
       i = 0;
       val->d[j-1] = a;
     }
-  
+
  leave:
   *ret_nread = nread;
   return val;
@@ -159,7 +159,7 @@ mpi_fromstr (gcry_mpi_t val, const char *str)
             c |= c2 - 'a' + 10;
           else if( c2 >= 'A' && c2 <= 'F' )
             c |= c2 - 'A' + 10;
-          else 
+          else
             {
               mpi_clear(val);
               return 1;  /* Error. */
@@ -170,7 +170,7 @@ mpi_fromstr (gcry_mpi_t val, const char *str)
       i = 0;
       val->d[j-1] = a;
     }
-  
+
   return 0;  /* Okay.  */
 }
 
@@ -179,7 +179,7 @@ mpi_fromstr (gcry_mpi_t val, const char *str)
    Libgcrypt's logging stream.  Note that one leading space but no
    trailing space or linefeed will be printed.  It is okay to pass
    NULL for A. */
-void 
+void
 gcry_mpi_dump (const gcry_mpi_t a)
 {
   int i;
@@ -187,7 +187,7 @@ gcry_mpi_dump (const gcry_mpi_t a)
   log_printf (" ");
   if (!a)
     log_printf ("[MPI_NULL]");
-  else 
+  else
     {
       if (a->sign)
         log_printf ( "-");
@@ -235,7 +235,7 @@ do_get_buffer (gcry_mpi_t a, unsigned int *nbytes, int *sign, int force_secure)
   mpi_limb_t alimb;
   int i;
   size_t n;
-  
+
   if (sign)
     *sign = a->sign;
 
@@ -304,12 +304,12 @@ _gcry_mpi_set_buffer (gcry_mpi_t a, const void *buffer_arg,
   mpi_limb_t alimb;
   int nlimbs;
   int i;
-  
+
   nlimbs = (nbytes + BYTES_PER_MPI_LIMB - 1) / BYTES_PER_MPI_LIMB;
   RESIZE_IF_NEEDED(a, nlimbs);
   a->sign = sign;
-  
-  for (i=0, p = buffer+nbytes-1; p >= buffer+BYTES_PER_MPI_LIMB; ) 
+
+  for (i=0, p = buffer+nbytes-1; p >= buffer+BYTES_PER_MPI_LIMB; )
     {
 #if BYTES_PER_MPI_LIMB == 4
       alimb  = *p--	    ;
@@ -383,7 +383,7 @@ gcry_mpi_scan (struct gcry_mpi **ret_mpi, enum gcry_mpi_format format,
     len = 0;
   else
     len = buflen;
-  
+
   if (format == GCRYMPI_FMT_STD)
     {
       const unsigned char *s = buffer;
@@ -392,7 +392,7 @@ gcry_mpi_scan (struct gcry_mpi **ret_mpi, enum gcry_mpi_format format,
                                     /BYTES_PER_MPI_LIMB)
                 : mpi_alloc ((len+BYTES_PER_MPI_LIMB-1)/BYTES_PER_MPI_LIMB);
       if (len)
-        { 
+        {
           a->sign = !!(*s & 0x80);
           if (a->sign)
             {
@@ -450,7 +450,7 @@ gcry_mpi_scan (struct gcry_mpi **ret_mpi, enum gcry_mpi_format format,
     {
       const unsigned char *s = buffer;
       size_t n;
-      
+
       /* This test is not strictly necessary and an assert (!len)
          would be sufficient.  We keep this test in case we later
          allow the BUFLEN argument to act as a sanitiy check.  Same
@@ -459,7 +459,7 @@ gcry_mpi_scan (struct gcry_mpi **ret_mpi, enum gcry_mpi_format format,
         return gcry_error (GPG_ERR_TOO_SHORT);
 
       n = (s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
-      s += 4; 
+      s += 4;
       if (len)
         len -= 4;
       if (len && n > len)
@@ -495,7 +495,7 @@ gcry_mpi_scan (struct gcry_mpi **ret_mpi, enum gcry_mpi_format format,
     {
       /* We can only handle C strings for now.  */
       if (buflen)
-        return gcry_error (GPG_ERR_INV_ARG); 
+        return gcry_error (GPG_ERR_INV_ARG);
 
       a = secure? mpi_alloc_secure (0) : mpi_alloc(0);
       if (mpi_fromstr (a, (const char *)buffer))
@@ -503,7 +503,7 @@ gcry_mpi_scan (struct gcry_mpi **ret_mpi, enum gcry_mpi_format format,
           mpi_free (a);
           return gcry_error (GPG_ERR_INV_OBJ);
         }
-      if (ret_mpi) 
+      if (ret_mpi)
         {
           mpi_normalize ( a );
           *ret_mpi = a;
@@ -531,18 +531,18 @@ gcry_mpi_print (enum gcry_mpi_format format,
   unsigned int nbits = mpi_get_nbits (a);
   size_t len;
   size_t dummy_nwritten;
-  
+
   if (!nwritten)
     nwritten = &dummy_nwritten;
 
   len = buflen;
   *nwritten = 0;
-  if (format == GCRYMPI_FMT_STD) 
+  if (format == GCRYMPI_FMT_STD)
     {
       unsigned char *tmp;
       int extra = 0;
       unsigned int n;
-      
+
       if (a->sign)
         return gcry_error (GPG_ERR_INTERNAL); /* Can't handle it yet. */
 
@@ -554,12 +554,12 @@ gcry_mpi_print (enum gcry_mpi_format format,
           n++;
           extra=1;
 	}
-      
+
       if (buffer && n > len)
         {
           /* The provided buffer is too short. */
           gcry_free (tmp);
-          return gcry_error (GPG_ERR_TOO_SHORT);  
+          return gcry_error (GPG_ERR_TOO_SHORT);
 	}
       if (buffer)
         {
@@ -598,10 +598,10 @@ gcry_mpi_print (enum gcry_mpi_format format,
   else if (format == GCRYMPI_FMT_PGP)
     {
       unsigned int n = (nbits + 7)/8;
-      
+
       /* The PGP format can only handle unsigned integers.  */
       if( a->sign )
-        return gcry_error (GPG_ERR_INV_ARG); 
+        return gcry_error (GPG_ERR_INV_ARG);
 
       if (buffer && n+2 > len)
         return gcry_error (GPG_ERR_TOO_SHORT);
@@ -613,7 +613,7 @@ gcry_mpi_print (enum gcry_mpi_format format,
 
           s[0] = nbits >> 8;
           s[1] = nbits;
-          
+
           tmp = _gcry_mpi_get_buffer (a, &n, NULL);
           if (!tmp)
             return gpg_error_from_syserror ();
@@ -628,10 +628,10 @@ gcry_mpi_print (enum gcry_mpi_format format,
       unsigned char *tmp;
       int extra = 0;
       unsigned int n;
-      
+
       if (a->sign)
         return gcry_error (GPG_ERR_INTERNAL); /* Can't handle it yet.  */
-      
+
       tmp = _gcry_mpi_get_buffer (a, &n, NULL);
       if (!tmp)
         return gpg_error_from_syserror ();
@@ -650,14 +650,14 @@ gcry_mpi_print (enum gcry_mpi_format format,
       if (buffer)
         {
           unsigned char *s = buffer;
-          
+
           *s++ = n >> 24;
           *s++ = n >> 16;
           *s++ = n >> 8;
           *s++ = n;
           if (extra)
             *s++ = 0;
-          
+
           memcpy (s, tmp, n-extra);
 	}
       gcry_free (tmp);
@@ -670,7 +670,7 @@ gcry_mpi_print (enum gcry_mpi_format format,
       int i;
       int extra = 0;
       unsigned int n = 0;
-      
+
       tmp = _gcry_mpi_get_buffer (a, &n, NULL);
       if (!tmp)
         return gpg_error_from_syserror ();
@@ -693,7 +693,7 @@ gcry_mpi_print (enum gcry_mpi_format format,
               *s++ = '0';
               *s++ = '0';
 	    }
-          
+
           for (i=0; i < n; i++)
             {
               unsigned int c = tmp[i];
@@ -705,7 +705,7 @@ gcry_mpi_print (enum gcry_mpi_format format,
           *s++ = 0;
           *nwritten = s - buffer;
 	}
-      else 
+      else
         {
           *nwritten = 2*n + extra + !!a->sign + 1;
 	}
@@ -729,7 +729,7 @@ gcry_mpi_aprint (enum gcry_mpi_format format,
 {
   size_t n;
   gcry_error_t rc;
-  
+
   *buffer = NULL;
   rc = gcry_mpi_print (format, NULL, 0, &n, a);
   if (rc)
@@ -748,4 +748,3 @@ gcry_mpi_aprint (enum gcry_mpi_format format,
     *nwritten = n;
   return rc;
 }
-
diff --git a/mpi/mpih-div.c b/mpi/mpih-div.c
index e41e205e..224b8108 100644
--- a/mpi/mpih-div.c
+++ b/mpi/mpih-div.c
@@ -531,5 +531,3 @@ _gcry_mpih_divmod_1( mpi_ptr_t quot_ptr,
 	return r;
     }
 }
-
-
diff --git a/mpi/mpih-mul.c b/mpi/mpih-mul.c
index e1f6f58e..b8e05617 100644
--- a/mpi/mpih-mul.c
+++ b/mpi/mpih-mul.c
@@ -526,5 +526,3 @@ _gcry_mpih_mul( mpi_ptr_t prodp, mpi_ptr_t up, mpi_size_t usize,
     _gcry_mpih_release_karatsuba_ctx( &ctx );
     return *prod_endp;
 }
-
-
diff --git a/mpi/mpiutil.c b/mpi/mpiutil.c
index 950e4ea5..76630a62 100644
--- a/mpi/mpiutil.c
+++ b/mpi/mpiutil.c
@@ -100,7 +100,7 @@ _gcry_mpi_free_limb_space( mpi_ptr_t a, unsigned int nlimbs)
   if (a)
     {
       size_t len = nlimbs * sizeof(mpi_limb_t);
-      
+
       /* If we have information on the number of allocated limbs, we
          better wipe that space out.  This is a failsafe feature if
          secure memory has been disabled or was not properly
@@ -137,7 +137,7 @@ _gcry_mpi_resize (gcry_mpi_t a, unsigned nlimbs)
          limb space is already of the correct size. */
       for (i=a->nlimbs; i < a->alloced; i++)
         a->d[i] = 0;
-      return; 
+      return;
     }
 
   /* Actually resize the limb space.  */
@@ -207,12 +207,12 @@ mpi_set_secure( gcry_mpi_t a )
 gcry_mpi_t
 gcry_mpi_set_opaque( gcry_mpi_t a, void *p, unsigned int nbits )
 {
-  if (!a) 
+  if (!a)
     a = mpi_alloc(0);
-    
+
   if( a->flags & 4 )
     gcry_free( a->d );
-  else 
+  else
     _gcry_mpi_free_limb_space (a->d, a->alloced);
 
   a->d = p;
@@ -302,7 +302,7 @@ gcry_mpi_set( gcry_mpi_t w, gcry_mpi_t u)
   mpi_ptr_t wp, up;
   mpi_size_t usize = u->nlimbs;
   int usign = u->sign;
-  
+
   if (!w)
     w = _gcry_mpi_alloc( mpi_get_nlimbs(u) );
   RESIZE_IF_NEEDED(w, usize);
@@ -346,7 +346,7 @@ _gcry_mpi_get_ui (gcry_mpi_t w, unsigned long *u)
 
   if (! err)
     *u = x;
-  
+
   return err;
 }
 
@@ -356,7 +356,7 @@ gcry_mpi_get_ui (gcry_mpi_t w, unsigned long *u)
   gcry_err_code_t err = GPG_ERR_NO_ERROR;
 
   err = _gcry_mpi_get_ui (w, u);
-  
+
   return gcry_error (err);
 }
 
@@ -406,7 +406,7 @@ gcry_mpi_randomize( gcry_mpi_t w,
 {
   unsigned char *p;
   size_t nbytes = (nbits+7)/8;
-  
+
   if (level == GCRY_WEAK_RANDOM)
     {
       p = mpi_is_secure(w) ? gcry_xmalloc_secure (nbytes)
@@ -458,4 +458,3 @@ gcry_mpi_get_flag( gcry_mpi_t a, enum gcry_mpi_flag flag )
   /*NOTREACHED*/
   return 0;
 }
-