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-rw-r--r--lib/mpi/mpi-gcd.c59
1 files changed, 0 insertions, 59 deletions
diff --git a/lib/mpi/mpi-gcd.c b/lib/mpi/mpi-gcd.c
deleted file mode 100644
index 13c48ae..0000000
--- a/lib/mpi/mpi-gcd.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/* mpi-gcd.c - MPI functions
- * Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
- *
- * This file is part of GnuPG.
- *
- * GnuPG 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.
- *
- * GnuPG 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include "mpi-internal.h"
-
-/****************
- * Find the greatest common divisor G of A and B.
- * Return: true if this 1, false in all other cases
- */
-int mpi_gcd(MPI g, const MPI xa, const MPI xb)
-{
- MPI a = NULL, b = NULL;
-
- if (mpi_copy(&a, xa) < 0)
- goto nomem;
-
- if (mpi_copy(&b, xb) < 0)
- goto nomem;
-
- /* TAOCP Vol II, 4.5.2, Algorithm A */
- a->sign = 0;
- b->sign = 0;
- while (mpi_cmp_ui(b, 0)) {
- if (mpi_fdiv_r(g, a, b) < 0) /* g used as temorary variable */
- goto nomem;
- if (mpi_set(a, b) < 0)
- goto nomem;
- if (mpi_set(b, g) < 0)
- goto nomem;
- }
- if (mpi_set(g, a) < 0)
- goto nomem;
-
- mpi_free(a);
- mpi_free(b);
- return !mpi_cmp_ui(g, 1);
-
-nomem:
- mpi_free(a);
- mpi_free(b);
- return -ENOMEM;
-}
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