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authorHerbert Xu <herbert@gondor.apana.org.au>2023-08-04 12:24:34 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2023-08-11 14:19:27 +0300
commit2a598d0b2800aa23ba51adcf060cec524aaa63b2 (patch)
treeb7c035f0fa57dab30af2768114f71f64230dac5c /lib/mpi/generic_mpih-mul3.c
parent9ae4577bc077a7e32c3c7d442c95bc76865c0f17 (diff)
downloadlinux-2a598d0b2800aa23ba51adcf060cec524aaa63b2.tar.xz
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>
Diffstat (limited to 'lib/mpi/generic_mpih-mul3.c')
-rw-r--r--lib/mpi/generic_mpih-mul3.c48
1 files changed, 0 insertions, 48 deletions
diff --git a/lib/mpi/generic_mpih-mul3.c b/lib/mpi/generic_mpih-mul3.c
deleted file mode 100644
index ccdbab4121e0..000000000000
--- a/lib/mpi/generic_mpih-mul3.c
+++ /dev/null
@@ -1,48 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/* mpihelp-mul_3.c - MPI helper functions
- * Copyright (C) 1994, 1996, 1997, 1998, 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"
-#include "longlong.h"
-
-mpi_limb_t
-mpihelp_submul_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
- mpi_size_t s1_size, mpi_limb_t s2_limb)
-{
- mpi_limb_t cy_limb;
- mpi_size_t j;
- mpi_limb_t prod_high, prod_low;
- mpi_limb_t x;
-
- /* The loop counter and index J goes from -SIZE to -1. This way
- * the loop becomes faster. */
- j = -s1_size;
- res_ptr -= j;
- s1_ptr -= j;
-
- cy_limb = 0;
- do {
- umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
-
- prod_low += cy_limb;
- cy_limb = (prod_low < cy_limb ? 1 : 0) + prod_high;
-
- x = res_ptr[j];
- prod_low = x - prod_low;
- cy_limb += prod_low > x ? 1 : 0;
- res_ptr[j] = prod_low;
- } while (++j);
-
- return cy_limb;
-}