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, 50 deletions

diff --git a/lib/mpi/generic_mpih-rshift.c b/lib/mpi/generic_mpih-rshift.c
deleted file mode 100644
index e07bc69aa898..000000000000
--- a/lib/mpi/generic_mpih-rshift.c
+++ /dev/null
@@ -1,50 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/* mpih-rshift.c  -  MPI helper functions
- * Copyright (C) 1994, 1996, 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"
-
-/* Shift U (pointed to by UP and USIZE limbs long) CNT bits to the right
- * and store the USIZE least significant limbs of the result at WP.
- * The bits shifted out to the right are returned.
- *
- * Argument constraints:
- * 1. 0 < CNT < BITS_PER_MP_LIMB
- * 2. If the result is to be written over the input, WP must be <= UP.
- */
-
-mpi_limb_t
-mpihelp_rshift(mpi_ptr_t wp, mpi_ptr_t up, mpi_size_t usize, unsigned cnt)
-{
-	mpi_limb_t high_limb, low_limb;
-	unsigned sh_1, sh_2;
-	mpi_size_t i;
-	mpi_limb_t retval;
-
-	sh_1 = cnt;
-	wp -= 1;
-	sh_2 = BITS_PER_MPI_LIMB - sh_1;
-	high_limb = up[0];
-	retval = high_limb << sh_2;
-	low_limb = high_limb;
-	for (i = 1; i < usize; i++) {
-		high_limb = up[i];
-		wp[i] = (low_limb >> sh_1) | (high_limb << sh_2);
-		low_limb = high_limb;
-	}
-	wp[i] = low_limb >> sh_1;
-
-	return retval;
-}