ecc: Fix initialization of EC context.

[libgcrypt.git] / mpi / mpi-gcd.c

diff --git a/mpi/mpi-gcd.c b/mpi/mpi-gcd.c
index 5242ada..77ca05a 100644 (file)
--- a/mpi/mpi-gcd.c
+++ b/mpi/mpi-gcd.c
@@ -1,20 +1,20 @@
 /* mpi-gcd.c  -  MPI functions
- *     Copyright (C) 1998, 2001 Free Software Foundation, Inc.
+ *     Copyright (C) 1998, 2001, 2002, 2003 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 General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * 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 General Public License for more details.
+ * GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 
@@ -28,9 +28,9 @@
  * Return: true if this 1, false in all other cases
  */
 int
-gcry_mpi_gcd( MPI g, MPI xa, MPI xb )
+_gcry_mpi_gcd (gcry_mpi_t g, gcry_mpi_t xa, gcry_mpi_t xb)
 {
-    MPI a, b;
+    gcry_mpi_t a, b;
 
     a = mpi_copy(xa);
     b = mpi_copy(xb);
@@ -38,17 +38,15 @@ gcry_mpi_gcd( MPI g, MPI xa, MPI xb )
     /* TAOCP Vol II, 4.5.2, Algorithm A */
     a->sign = 0;
     b->sign = 0;
-    while( gcry_mpi_cmp_ui( b, 0 ) ) {
-       _gcry_mpi_fdiv_r( g, a, b ); /* g used as temorary variable */
+    while (mpi_cmp_ui (b, 0))
+      {
+       _gcry_mpi_fdiv_r( g, a, b ); /* G is used as temporary variable. */
        mpi_set(a,b);
        mpi_set(b,g);
-    }
+      }
     mpi_set(g, a);
 
     mpi_free(a);
     mpi_free(b);
-    return !gcry_mpi_cmp_ui( g, 1);
+    return !mpi_cmp_ui( g, 1);
 }
-
-
-