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, 232 deletions

diff --git a/lib/mpi/mpi-internal.h b/lib/mpi/mpi-internal.h
deleted file mode 100644
index 554002182db1..000000000000
--- a/lib/mpi/mpi-internal.h
+++ /dev/null
@@ -1,232 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* mpi-internal.h  -  Internal to the Multi Precision Integers
- *	Copyright (C) 1994, 1996 Free Software Foundation, Inc.
- *	Copyright (C) 1998, 2000 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.
- */
-
-#ifndef G10_MPI_INTERNAL_H
-#define G10_MPI_INTERNAL_H
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/mpi.h>
-#include <linux/errno.h>
-
-#define log_debug printk
-#define log_bug printk
-
-#define assert(x) \
-	do { \
-		if (!x) \
-			log_bug("failed assertion\n"); \
-	} while (0);
-
-/* If KARATSUBA_THRESHOLD is not already defined, define it to a
- * value which is good on most machines.  */
-
-/* tested 4, 16, 32 and 64, where 16 gave the best performance when
- * checking a 768 and a 1024 bit ElGamal signature.
- * (wk 22.12.97) */
-#ifndef KARATSUBA_THRESHOLD
-#define KARATSUBA_THRESHOLD 16
-#endif
-
-/* The code can't handle KARATSUBA_THRESHOLD smaller than 2.  */
-#if KARATSUBA_THRESHOLD < 2
-#undef KARATSUBA_THRESHOLD
-#define KARATSUBA_THRESHOLD 2
-#endif
-
-typedef mpi_limb_t *mpi_ptr_t;	/* pointer to a limb */
-typedef int mpi_size_t;		/* (must be a signed type) */
-
-#define RESIZE_IF_NEEDED(a, b)			\
-	do {					\
-		if ((a)->alloced < (b))		\
-			mpi_resize((a), (b));	\
-	} while (0)
-
-/* Copy N limbs from S to D.  */
-#define MPN_COPY(d, s, n) \
-	do {					\
-		mpi_size_t _i;			\
-		for (_i = 0; _i < (n); _i++)	\
-			(d)[_i] = (s)[_i];	\
-	} while (0)
-
-#define MPN_COPY_INCR(d, s, n)		\
-	do {					\
-		mpi_size_t _i;			\
-		for (_i = 0; _i < (n); _i++)	\
-			(d)[_i] = (s)[_i];	\
-	} while (0)
-
-
-#define MPN_COPY_DECR(d, s, n) \
-	do {					\
-		mpi_size_t _i;			\
-		for (_i = (n)-1; _i >= 0; _i--) \
-			(d)[_i] = (s)[_i];	\
-	} while (0)
-
-/* Zero N limbs at D */
-#define MPN_ZERO(d, n) \
-	do {					\
-		int  _i;			\
-		for (_i = 0; _i < (n); _i++)	\
-			(d)[_i] = 0;		\
-	} while (0)
-
-#define MPN_NORMALIZE(d, n)  \
-	do {					\
-		while ((n) > 0) {		\
-			if ((d)[(n)-1])		\
-				break;		\
-			(n)--;			\
-		}				\
-	} while (0)
-
-#define MPN_MUL_N_RECURSE(prodp, up, vp, size, tspace) \
-	do {							\
-		if ((size) < KARATSUBA_THRESHOLD)		\
-			mul_n_basecase(prodp, up, vp, size);	\
-		else						\
-			mul_n(prodp, up, vp, size, tspace);	\
-	} while (0);
-
-/* Divide the two-limb number in (NH,,NL) by D, with DI being the largest
- * limb not larger than (2**(2*BITS_PER_MP_LIMB))/D - (2**BITS_PER_MP_LIMB).
- * If this would yield overflow, DI should be the largest possible number
- * (i.e., only ones).  For correct operation, the most significant bit of D
- * has to be set.  Put the quotient in Q and the remainder in R.
- */
-#define UDIV_QRNND_PREINV(q, r, nh, nl, d, di)				\
-	do {								\
-		mpi_limb_t _ql __maybe_unused;				\
-		mpi_limb_t _q, _r;					\
-		mpi_limb_t _xh, _xl;					\
-		umul_ppmm(_q, _ql, (nh), (di));				\
-		_q += (nh);	/* DI is 2**BITS_PER_MPI_LIMB too small */ \
-		umul_ppmm(_xh, _xl, _q, (d));				\
-		sub_ddmmss(_xh, _r, (nh), (nl), _xh, _xl);		\
-		if (_xh) {						\
-			sub_ddmmss(_xh, _r, _xh, _r, 0, (d));		\
-			_q++;						\
-			if (_xh) {					\
-				sub_ddmmss(_xh, _r, _xh, _r, 0, (d));	\
-				_q++;					\
-			}						\
-		}							\
-		if (_r >= (d)) {					\
-			_r -= (d);					\
-			_q++;						\
-		}							\
-		(r) = _r;						\
-		(q) = _q;						\
-	} while (0)
-
-
-/*-- mpiutil.c --*/
-mpi_ptr_t mpi_alloc_limb_space(unsigned nlimbs);
-void mpi_free_limb_space(mpi_ptr_t a);
-void mpi_assign_limb_space(MPI a, mpi_ptr_t ap, unsigned nlimbs);
-
-static inline mpi_limb_t mpihelp_add_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
-			 mpi_size_t s1_size, mpi_limb_t s2_limb);
-mpi_limb_t mpihelp_add_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
-			 mpi_ptr_t s2_ptr, mpi_size_t size);
-static inline mpi_limb_t mpihelp_add(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size,
-		       mpi_ptr_t s2_ptr, mpi_size_t s2_size);
-
-static inline mpi_limb_t mpihelp_sub_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
-			 mpi_size_t s1_size, mpi_limb_t s2_limb);
-mpi_limb_t mpihelp_sub_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
-			 mpi_ptr_t s2_ptr, mpi_size_t size);
-static inline mpi_limb_t mpihelp_sub(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size,
-		       mpi_ptr_t s2_ptr, mpi_size_t s2_size);
-
-/*-- mpih-cmp.c --*/
-int mpihelp_cmp(mpi_ptr_t op1_ptr, mpi_ptr_t op2_ptr, mpi_size_t size);
-
-/*-- mpih-mul.c --*/
-
-struct karatsuba_ctx {
-	struct karatsuba_ctx *next;
-	mpi_ptr_t tspace;
-	mpi_size_t tspace_size;
-	mpi_ptr_t tp;
-	mpi_size_t tp_size;
-};
-
-void mpihelp_release_karatsuba_ctx(struct karatsuba_ctx *ctx);
-
-mpi_limb_t mpihelp_addmul_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
-			    mpi_size_t s1_size, mpi_limb_t s2_limb);
-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);
-int mpihelp_mul(mpi_ptr_t prodp, mpi_ptr_t up, mpi_size_t usize,
-		mpi_ptr_t vp, mpi_size_t vsize, mpi_limb_t *_result);
-void mpih_sqr_n_basecase(mpi_ptr_t prodp, mpi_ptr_t up, mpi_size_t size);
-void mpih_sqr_n(mpi_ptr_t prodp, mpi_ptr_t up, mpi_size_t size,
-		mpi_ptr_t tspace);
-void mpihelp_mul_n(mpi_ptr_t prodp,
-		mpi_ptr_t up, mpi_ptr_t vp, mpi_size_t size);
-
-int mpihelp_mul_karatsuba_case(mpi_ptr_t prodp,
-			       mpi_ptr_t up, mpi_size_t usize,
-			       mpi_ptr_t vp, mpi_size_t vsize,
-			       struct karatsuba_ctx *ctx);
-
-/*-- generic_mpih-mul1.c --*/
-mpi_limb_t mpihelp_mul_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
-			 mpi_size_t s1_size, mpi_limb_t s2_limb);
-
-/*-- mpih-div.c --*/
-mpi_limb_t mpihelp_mod_1(mpi_ptr_t dividend_ptr, mpi_size_t dividend_size,
-			 mpi_limb_t divisor_limb);
-mpi_limb_t mpihelp_divrem(mpi_ptr_t qp, mpi_size_t qextra_limbs,
-			  mpi_ptr_t np, mpi_size_t nsize,
-			  mpi_ptr_t dp, mpi_size_t dsize);
-mpi_limb_t mpihelp_divmod_1(mpi_ptr_t quot_ptr,
-			    mpi_ptr_t dividend_ptr, mpi_size_t dividend_size,
-			    mpi_limb_t divisor_limb);
-
-/*-- generic_mpih-[lr]shift.c --*/
-mpi_limb_t mpihelp_lshift(mpi_ptr_t wp, mpi_ptr_t up, mpi_size_t usize,
-			  unsigned cnt);
-mpi_limb_t mpihelp_rshift(mpi_ptr_t wp, mpi_ptr_t up, mpi_size_t usize,
-			  unsigned cnt);
-
-/* Define stuff for longlong.h.  */
-#define W_TYPE_SIZE BITS_PER_MPI_LIMB
-typedef mpi_limb_t UWtype;
-typedef unsigned int UHWtype;
-#if defined(__GNUC__)
-typedef unsigned int UQItype __attribute__ ((mode(QI)));
-typedef int SItype __attribute__ ((mode(SI)));
-typedef unsigned int USItype __attribute__ ((mode(SI)));
-typedef int DItype __attribute__ ((mode(DI)));
-typedef unsigned int UDItype __attribute__ ((mode(DI)));
-#else
-typedef unsigned char UQItype;
-typedef long SItype;
-typedef unsigned long USItype;
-#endif
-
-#ifdef __GNUC__
-#include "mpi-inline.h"
-#endif
-
-#endif /*G10_MPI_INTERNAL_H */