crypto: lib - Move mpi into lib/crypto

As lib/mpi is mostly used by crypto code, move it under lib/crypto
so that patches touching it get directed to the right mailing list.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 0 insertions, 43 deletions

diff --git a/lib/mpi/mpih-cmp.c b/lib/mpi/mpih-cmp.c
deleted file mode 100644
index f23709114a65..000000000000
--- a/lib/mpi/mpih-cmp.c
+++ /dev/null
@@ -1,43 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/* mpihelp-sub.c  -  MPI helper functions
- *	Copyright (C) 1994, 1996 Free Software Foundation, Inc.
- *	Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
- *
- * This file is part of GnuPG.
- *
- * Note: This code is heavily based on the GNU MP Library.
- *	 Actually it's the same code with only minor changes in the
- *	 way the data is stored; this is to support the abstraction
- *	 of an optional secure memory allocation which may be used
- *	 to avoid revealing of sensitive data due to paging etc.
- *	 The GNU MP Library itself is published under the LGPL;
- *	 however I decided to publish this code under the plain GPL.
- */
-
-#include "mpi-internal.h"
-
-/****************
- * Compare OP1_PTR/OP1_SIZE with OP2_PTR/OP2_SIZE.
- * There are no restrictions on the relative sizes of
- * the two arguments.
- * Return 1 if OP1 > OP2, 0 if they are equal, and -1 if OP1 < OP2.
- */
-int mpihelp_cmp(mpi_ptr_t op1_ptr, mpi_ptr_t op2_ptr, mpi_size_t size)
-{
-	mpi_size_t i;
-	mpi_limb_t op1_word, op2_word;
-
-	for (i = size - 1; i >= 0; i--) {
-		op1_word = op1_ptr[i];
-		op2_word = op2_ptr[i];
-		if (op1_word != op2_word)
-			goto diff;
-	}
-	return 0;
-
-diff:
-	/* This can *not* be simplified to
-	 *   op2_word - op2_word
-	 * since that expression might give signed overflow.  */
-	return (op1_word > op2_word) ? 1 : -1;
-}