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, 155 deletions

diff --git a/lib/mpi/mpi-add.c b/lib/mpi/mpi-add.c
deleted file mode 100644
index 9056fc5167fc..000000000000
--- a/lib/mpi/mpi-add.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/* mpi-add.c  -  MPI functions
- * Copyright (C) 1994, 1996, 1998, 2001, 2002,
- *               2003 Free Software Foundation, Inc.
- *
- * This file is part of Libgcrypt.
- *
- * 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.
- */
-
-#include "mpi-internal.h"
-
-/****************
- * Add the unsigned integer V to the mpi-integer U and store the
- * result in W. U and V may be the same.
- */
-void mpi_add_ui(MPI w, MPI u, unsigned long v)
-{
-	mpi_ptr_t wp, up;
-	mpi_size_t usize, wsize;
-	int usign, wsign;
-
-	usize = u->nlimbs;
-	usign = u->sign;
-	wsign = 0;
-
-	/* If not space for W (and possible carry), increase space.  */
-	wsize = usize + 1;
-	if (w->alloced < wsize)
-		mpi_resize(w, wsize);
-
-	/* These must be after realloc (U may be the same as W).  */
-	up = u->d;
-	wp = w->d;
-
-	if (!usize) {  /* simple */
-		wp[0] = v;
-		wsize = v ? 1:0;
-	} else if (!usign) {  /* mpi is not negative */
-		mpi_limb_t cy;
-		cy = mpihelp_add_1(wp, up, usize, v);
-		wp[usize] = cy;
-		wsize = usize + cy;
-	} else {
-		/* The signs are different.  Need exact comparison to determine
-		 * which operand to subtract from which.
-		 */
-		if (usize == 1 && up[0] < v) {
-			wp[0] = v - up[0];
-			wsize = 1;
-		} else {
-			mpihelp_sub_1(wp, up, usize, v);
-			/* Size can decrease with at most one limb. */
-			wsize = usize - (wp[usize-1] == 0);
-			wsign = 1;
-		}
-	}
-
-	w->nlimbs = wsize;
-	w->sign   = wsign;
-}
-
-
-void mpi_add(MPI w, MPI u, MPI v)
-{
-	mpi_ptr_t wp, up, vp;
-	mpi_size_t usize, vsize, wsize;
-	int usign, vsign, wsign;
-
-	if (u->nlimbs < v->nlimbs) { /* Swap U and V. */
-		usize = v->nlimbs;
-		usign = v->sign;
-		vsize = u->nlimbs;
-		vsign = u->sign;
-		wsize = usize + 1;
-		RESIZE_IF_NEEDED(w, wsize);
-		/* These must be after realloc (u or v may be the same as w).  */
-		up = v->d;
-		vp = u->d;
-	} else {
-		usize = u->nlimbs;
-		usign = u->sign;
-		vsize = v->nlimbs;
-		vsign = v->sign;
-		wsize = usize + 1;
-		RESIZE_IF_NEEDED(w, wsize);
-		/* These must be after realloc (u or v may be the same as w).  */
-		up = u->d;
-		vp = v->d;
-	}
-	wp = w->d;
-	wsign = 0;
-
-	if (!vsize) {  /* simple */
-		MPN_COPY(wp, up, usize);
-		wsize = usize;
-		wsign = usign;
-	} else if (usign != vsign) { /* different sign */
-		/* This test is right since USIZE >= VSIZE */
-		if (usize != vsize) {
-			mpihelp_sub(wp, up, usize, vp, vsize);
-			wsize = usize;
-			MPN_NORMALIZE(wp, wsize);
-			wsign = usign;
-		} else if (mpihelp_cmp(up, vp, usize) < 0) {
-			mpihelp_sub_n(wp, vp, up, usize);
-			wsize = usize;
-			MPN_NORMALIZE(wp, wsize);
-			if (!usign)
-				wsign = 1;
-		} else {
-			mpihelp_sub_n(wp, up, vp, usize);
-			wsize = usize;
-			MPN_NORMALIZE(wp, wsize);
-			if (usign)
-				wsign = 1;
-		}
-	} else { /* U and V have same sign. Add them. */
-		mpi_limb_t cy = mpihelp_add(wp, up, usize, vp, vsize);
-		wp[usize] = cy;
-		wsize = usize + cy;
-		if (usign)
-			wsign = 1;
-	}
-
-	w->nlimbs = wsize;
-	w->sign = wsign;
-}
-EXPORT_SYMBOL_GPL(mpi_add);
-
-void mpi_sub(MPI w, MPI u, MPI v)
-{
-	MPI vv = mpi_copy(v);
-	vv->sign = !vv->sign;
-	mpi_add(w, u, vv);
-	mpi_free(vv);
-}
-EXPORT_SYMBOL_GPL(mpi_sub);
-
-void mpi_addm(MPI w, MPI u, MPI v, MPI m)
-{
-	mpi_add(w, u, v);
-	mpi_mod(w, w, m);
-}
-EXPORT_SYMBOL_GPL(mpi_addm);
-
-void mpi_subm(MPI w, MPI u, MPI v, MPI m)
-{
-	mpi_sub(w, u, v);
-	mpi_mod(w, w, m);
-}
-EXPORT_SYMBOL_GPL(mpi_subm);