/*-
* Copyright (c) 2012 Alistair Crooks <agc@NetBSD.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 FAUXBN_H_
#define FAUXBN_H_ 20100108
#include <sys/types.h>
#ifndef _KERNEL
# include <inttypes.h>
# include <stdio.h>
#endif
#ifndef __BEGIN_DECLS
# if defined(__cplusplus)
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
# else
# define __BEGIN_DECLS
# define __END_DECLS
# endif
#endif
__BEGIN_DECLS
#ifdef USE_BN_INTERFACE
#define BIGNUM PGPV_BIGNUM
#define BN_ULONG PGPV_BN_ULONG
#define BN_CTX PGPV_BN_CTX
#define BN_is_negative PGPV_BN_is_negative
#define BN_is_zero PGPV_BN_is_zero
#define BN_is_odd PGPV_BN_is_odd
#define BN_is_even PGPV_BN_is_even
#define BN_new PGPV_BN_new
#define BN_dup PGPV_BN_dup
#define BN_copy PGPV_BN_copy
#define BN_init PGPV_BN_init
#define BN_free PGPV_BN_free
#define BN_clear PGPV_BN_clear
#define BN_clear_free PGPV_BN_clear_free
#define BN_cmp PGPV_BN_cmp
#define BN_bn2bin PGPV_BN_bn2bin
#define BN_bn2hex PGPV_BN_bn2hex
#define BN_bn2dec PGPV_BN_bn2dec
#define BN_bn2radix PGPV_BN_bn2radix
#define BN_hex2bn PGPV_BN_hex2bn
#define BN_dec2bn PGPV_BN_dec2bn
#define BN_radix2bn PGPV_BN_radix2bn
#ifndef _KERNEL
#define BN_print_fp PGPV_BN_print_fp
#endif
#define BN_add PGPV_BN_add
#define BN_sub PGPV_BN_sub
#define BN_mul PGPV_BN_mul
#define BN_div PGPV_BN_div
#define BN_swap PGPV_BN_swap
#define BN_bitop PGPV_BN_bitop
#define BN_lshift PGPV_BN_lshift
#define BN_lshift1 PGPV_BN_lshift1
#define BN_rshift PGPV_BN_rshift
#define BN_rshift1 PGPV_BN_rshift1
#define BN_set_word PGPV_BN_set_word
#define BN_set_negative PGPV_BN_set_negative
#define BN_num_bytes PGPV_BN_num_bytes
#define BN_num_bits PGPV_BN_num_bits
#define BN_mod_exp PGPV_BN_mod_exp
#define BN_mod_inverse PGPV_BN_mod_inverse
#define BN_mod_mul PGPV_BN_mod_mul
#define BN_mod_sub PGPV_BN_mod_sub
#define BN_raise PGPV_BN_raise
#define BN_factorial PGPV_BN_factorial
#define BN_CTX_new PGPV_BN_CTX_new
#define BN_CTX_get PGPV_BN_CTX_get
#define BN_CTX_start PGPV_BN_CTX_start
#define BN_CTX_end PGPV_BN_CTX_end
#define BN_CTX_init PGPV_BN_CTX_init
#define BN_CTX_free PGPV_BN_CTX_free
#define BN_rand PGPV_BN_rand
#define BN_rand_range PGPV_BN_rand_range
#define BN_is_prime PGPV_BN_is_prime
#define BN_value_one PGPV_BN_value_one
#define BN_is_bit_set PGPV_BN_is_bit_set
#define BN_gcd PGPV_BN_gcd
#endif /* USE_BN_INTERFACE */
/* should be 32bit on ILP32, 64bit on LP64 */
typedef unsigned long mp_digit;
typedef uint64_t mp_word;
/* multi-precision integer */
typedef struct mp_int {
mp_digit *dp; /* array of digits */
int used; /* # of digits used */
int alloc; /* # of digits allocated */
int sign; /* non-zero if negative */
} mp_int;
#define PGPV_BIGNUM mp_int
#define PGPV_BN_ULONG mp_digit
/* a "context" of mp integers - never really used */
typedef struct bn_ctx_t {
size_t count;
size_t arraysize;
PGPV_BIGNUM **v;
} PGPV_BN_CTX;
#define MP_LT -1
#define MP_EQ 0
#define MP_GT 1
#define MP_ZPOS 0
#define MP_NEG 1
#define MP_OKAY 0
#define MP_MEM -2
#define MP_VAL -3
#define MP_RANGE MP_VAL
/*********************************/
#define PGPV_BN_is_negative(x) ((x)->sign == MP_NEG)
#define PGPV_BN_is_zero(a) (((a)->used == 0) ? 1 : 0)
#define PGPV_BN_is_odd(a) (((a)->used > 0 && (((a)->dp[0] & 1) == 1)) ? 1 : 0)
#define PGPV_BN_is_even(a) (((a)->used > 0 && (((a)->dp[0] & 1) == 0)) ? 1 : 0)
PGPV_BIGNUM *PGPV_BN_new(void);
PGPV_BIGNUM *PGPV_BN_dup(const PGPV_BIGNUM */*a*/);
int PGPV_BN_copy(PGPV_BIGNUM */*b*/, const PGPV_BIGNUM */*a*/);
void PGPV_BN_init(PGPV_BIGNUM */*a*/);
void PGPV_BN_free(PGPV_BIGNUM */*a*/);
void PGPV_BN_clear(PGPV_BIGNUM */*a*/);
void PGPV_BN_clear_free(PGPV_BIGNUM */*a*/);
int PGPV_BN_cmp(PGPV_BIGNUM */*a*/, PGPV_BIGNUM */*b*/);
PGPV_BIGNUM *PGPV_BN_bin2bn(const uint8_t */*buf*/, int /*size*/, PGPV_BIGNUM */*bn*/);
int PGPV_BN_bn2bin(const PGPV_BIGNUM */*a*/, unsigned char */*b*/);
char *PGPV_BN_bn2hex(const PGPV_BIGNUM */*a*/);
char *PGPV_BN_bn2dec(const PGPV_BIGNUM */*a*/);
char *PGPV_BN_bn2radix(const PGPV_BIGNUM */*a*/, unsigned /*radix*/);
int PGPV_BN_hex2bn(PGPV_BIGNUM **/*a*/, const char */*str*/);
int PGPV_BN_dec2bn(PGPV_BIGNUM **/*a*/, const char */*str*/);
int PGPV_BN_radix2bn(PGPV_BIGNUM **/*a*/, const char */*str*/, unsigned /*radix*/);
#ifndef _KERNEL
int PGPV_BN_print_fp(FILE */*fp*/, const PGPV_BIGNUM */*a*/);
#endif
int PGPV_BN_add(PGPV_BIGNUM */*r*/, const PGPV_BIGNUM */*a*/, const PGPV_BIGNUM */*b*/);
int PGPV_BN_sub(PGPV_BIGNUM */*r*/, const PGPV_BIGNUM */*a*/, const PGPV_BIGNUM */*b*/);
int PGPV_BN_mul(PGPV_BIGNUM */*r*/, const PGPV_BIGNUM */*a*/, const PGPV_BIGNUM */*b*/, PGPV_BN_CTX */*ctx*/);
int PGPV_BN_div(PGPV_BIGNUM */*q*/, PGPV_BIGNUM */*r*/, const PGPV_BIGNUM */*a*/, const PGPV_BIGNUM */*b*/, PGPV_BN_CTX */*ctx*/);
void PGPV_BN_swap(PGPV_BIGNUM */*a*/, PGPV_BIGNUM */*b*/);
int PGPV_BN_bitop(PGPV_BIGNUM */*r*/, const PGPV_BIGNUM */*a*/, char /*op*/, const PGPV_BIGNUM */*b*/);
int PGPV_BN_lshift(PGPV_BIGNUM */*r*/, const PGPV_BIGNUM */*a*/, int /*n*/);
int PGPV_BN_lshift1(PGPV_BIGNUM */*r*/, PGPV_BIGNUM */*a*/);
int PGPV_BN_rshift(PGPV_BIGNUM */*r*/, const PGPV_BIGNUM */*a*/, int /*n*/);
int PGPV_BN_rshift1(PGPV_BIGNUM */*r*/, PGPV_BIGNUM */*a*/);
int PGPV_BN_set_word(PGPV_BIGNUM */*a*/, PGPV_BN_ULONG /*w*/);
void PGPV_BN_set_negative(PGPV_BIGNUM */*a*/, int /*n*/);
int PGPV_BN_num_bytes(const PGPV_BIGNUM */*a*/);
int PGPV_BN_num_bits(const PGPV_BIGNUM */*a*/);
int PGPV_BN_mod_exp(PGPV_BIGNUM */*r*/, PGPV_BIGNUM */*a*/, PGPV_BIGNUM */*p*/, PGPV_BIGNUM */*m*/, PGPV_BN_CTX */*ctx*/);
PGPV_BIGNUM *PGPV_BN_mod_inverse(PGPV_BIGNUM */*ret*/, PGPV_BIGNUM */*a*/, const PGPV_BIGNUM */*n*/, PGPV_BN_CTX */*ctx*/);
int PGPV_BN_mod_mul(PGPV_BIGNUM */*ret*/, PGPV_BIGNUM */*a*/, PGPV_BIGNUM */*b*/, const PGPV_BIGNUM */*m*/, PGPV_BN_CTX */*ctx*/);
int PGPV_BN_mod_sub(PGPV_BIGNUM */*r*/, PGPV_BIGNUM */*a*/, PGPV_BIGNUM */*b*/, const PGPV_BIGNUM */*m*/, PGPV_BN_CTX */*ctx*/);
int PGPV_BN_raise(PGPV_BIGNUM */*res*/, PGPV_BIGNUM */*a*/, PGPV_BIGNUM */*b*/);
int PGPV_BN_factorial(PGPV_BIGNUM */*fact*/, PGPV_BIGNUM */*f*/);
PGPV_BN_CTX *PGPV_BN_CTX_new(void);
PGPV_BIGNUM *PGPV_BN_CTX_get(PGPV_BN_CTX */*ctx*/);
void PGPV_BN_CTX_start(PGPV_BN_CTX */*ctx*/);
void PGPV_BN_CTX_end(PGPV_BN_CTX */*ctx*/);
void PGPV_BN_CTX_init(PGPV_BN_CTX */*c*/);
void PGPV_BN_CTX_free(PGPV_BN_CTX */*c*/);
int PGPV_BN_rand(PGPV_BIGNUM */*rnd*/, int /*bits*/, int /*top*/, int /*bottom*/);
int PGPV_BN_rand_range(PGPV_BIGNUM */*rnd*/, PGPV_BIGNUM */*range*/);
int PGPV_BN_is_prime(const PGPV_BIGNUM */*a*/, int /*checks*/, void (*callback)(int, int, void *), PGPV_BN_CTX */*ctx*/, void */*cb_arg*/);
const PGPV_BIGNUM *PGPV_BN_value_one(void);
int PGPV_BN_is_bit_set(const PGPV_BIGNUM */*a*/, int /*n*/);
int PGPV_BN_gcd(PGPV_BIGNUM */*r*/, PGPV_BIGNUM */*a*/, PGPV_BIGNUM */*b*/, PGPV_BN_CTX */*ctx*/);
__END_DECLS
#endif