cryb-to/include/cryb/mpi.h
2017-04-06 19:52:23 +02:00

142 lines
5.4 KiB
C

/*
* Copyright (c) 2014-2016 Dag-Erling Smørgrav
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef CRYB_MPI_H_INCLUDED
#define CRYB_MPI_H_INCLUDED
#ifndef CRYB_TO
#include <cryb/to.h>
#endif
CRYB_BEGIN
const char *cryb_mpi_version(void);
#define mpi_add cryb_mpi_add
#define mpi_add_abs cryb_mpi_add_abs
#define mpi_cmp cryb_mpi_cmp
#define mpi_cmp_abs cryb_mpi_cmp_abs
#define mpi_cmp_abs_u32 cryb_mpi_cmp_abs_u32
#define mpi_cmp_abs_u64 cryb_mpi_cmp_abs_u64
#define mpi_cmp_i32 cryb_mpi_cmp_i32
#define mpi_cmp_i64 cryb_mpi_cmp_i64
#define mpi_cmp_u32 cryb_mpi_cmp_u32
#define mpi_cmp_u64 cryb_mpi_cmp_u64
#define mpi_copy cryb_mpi_copy
#define mpi_dec cryb_mpi_dec
#define mpi_dec_abs cryb_mpi_dec_abs
#define mpi_destroy cryb_mpi_destroy
#define mpi_div cryb_mpi_div
#define mpi_div_abs cryb_mpi_div_abs
#define mpi_eq cryb_mpi_eq
#define mpi_eq_abs cryb_mpi_eq_abs
#define mpi_eq_abs_u32 cryb_mpi_eq_abs_u32
#define mpi_eq_abs_u64 cryb_mpi_eq_abs_u64
#define mpi_eq_i32 cryb_mpi_eq_i32
#define mpi_eq_i64 cryb_mpi_eq_i64
#define mpi_eq_u32 cryb_mpi_eq_u32
#define mpi_eq_u64 cryb_mpi_eq_u64
#define mpi_gcd_abs cryb_mpi_gcd_abs
#define mpi_grow cryb_mpi_grow
#define mpi_inc cryb_mpi_inc
#define mpi_inc_abs cryb_mpi_inc_abs
#define mpi_init cryb_mpi_init
#define mpi_load cryb_mpi_load
#define mpi_lsb cryb_mpi_lsb
#define mpi_lshift cryb_mpi_lshift
#define mpi_msb cryb_mpi_msb
#define mpi_mul cryb_mpi_mul
#define mpi_mul_abs cryb_mpi_mul_abs
#define mpi_negate cryb_mpi_negate
#define mpi_rshift cryb_mpi_rshift
#define mpi_set cryb_mpi_set
#define mpi_sub cryb_mpi_sub
#define mpi_sub_abs cryb_mpi_sub_abs
#define mpi_swap cryb_mpi_swap
#define mpi_zero cryb_mpi_zero
#define CRYB_MPI_SWORDS 16
typedef struct cryb_mpi {
uint32_t *words; /* pointer to words */
size_t size; /* number of words */
unsigned int msb; /* most significant bit */
unsigned int neg:1; /* negative */
uint32_t swords[CRYB_MPI_SWORDS];
} cryb_mpi;
/* all-zeroes MPI - not the same as a zero-value MPI! */
#define CRYB_MPI_ZERO { 0, 0, 0, 0, { 0 } }
int mpi_add(cryb_mpi *, const cryb_mpi *, const cryb_mpi *);
int mpi_add_abs(cryb_mpi *, const cryb_mpi *, const cryb_mpi *);
int mpi_cmp(const cryb_mpi *, const cryb_mpi *);
int mpi_cmp_abs(const cryb_mpi *, const cryb_mpi *);
int mpi_cmp_abs_u32(const cryb_mpi *, uint32_t);
int mpi_cmp_abs_u64(const cryb_mpi *, uint64_t);
int mpi_cmp_i32(const cryb_mpi *, int32_t);
int mpi_cmp_i64(const cryb_mpi *, int64_t);
int mpi_cmp_u32(const cryb_mpi *, uint32_t);
int mpi_cmp_u64(const cryb_mpi *, uint64_t);
int mpi_copy(cryb_mpi *, const cryb_mpi *);
int mpi_dec(cryb_mpi *);
int mpi_dec_abs(cryb_mpi *);
void mpi_destroy(cryb_mpi *);
int mpi_div(cryb_mpi *, cryb_mpi *, const cryb_mpi *, const cryb_mpi *);
int mpi_div_abs(cryb_mpi *, cryb_mpi *, const cryb_mpi *, const cryb_mpi *);
int mpi_eq(const cryb_mpi *, const cryb_mpi *);
int mpi_eq_abs(const cryb_mpi *, const cryb_mpi *);
int mpi_eq_abs_u32(const cryb_mpi *, uint32_t);
int mpi_eq_abs_u64(const cryb_mpi *, uint64_t);
int mpi_eq_i32(const cryb_mpi *, int32_t);
int mpi_eq_i64(const cryb_mpi *, int64_t);
int mpi_eq_u32(const cryb_mpi *, uint32_t);
int mpi_eq_u64(const cryb_mpi *, uint64_t);
int mpi_gcd_abs(cryb_mpi *, const cryb_mpi *, const cryb_mpi *);
int mpi_grow(cryb_mpi *, unsigned int);
int mpi_inc(cryb_mpi *);
int mpi_inc_abs(cryb_mpi *);
void mpi_init(cryb_mpi *);
int mpi_load(cryb_mpi *, const uint8_t *, size_t);
unsigned int mpi_lsb(const cryb_mpi *);
int mpi_lshift(cryb_mpi *, unsigned int);
unsigned int mpi_msb(const cryb_mpi *);
int mpi_mul(cryb_mpi *, const cryb_mpi *, const cryb_mpi *);
int mpi_mul_abs(cryb_mpi *, const cryb_mpi *, const cryb_mpi *);
void mpi_negate(cryb_mpi *);
int mpi_rshift(cryb_mpi *, unsigned int);
int mpi_set(cryb_mpi *, int32_t);
int mpi_sub(cryb_mpi *, const cryb_mpi *, const cryb_mpi *);
int mpi_sub_abs(cryb_mpi *, const cryb_mpi *, const cryb_mpi *);
void mpi_swap(cryb_mpi *, cryb_mpi *);
void mpi_zero(cryb_mpi *);
CRYB_END
#endif