bignum.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _BIGNUM_H
#define _BIGNUM_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
typedef int BIG_ERR_CODE;
/*
* leading 0's are permitted
* 0 should be represented by size>=1, size>=len>=1, sign=1,
* value[i]=0 for 0<i<len
*/
typedef struct {
int size; /* the size of memory allocated for value (in words) */
int len; /* the number of words that hold valid data in value */
int sign; /* 1 for nonnegative, -1 for negative */
int malloced; /* 1 if value was malloced 0 if not */
} BIGNUM;
#define BIGTMPSIZE 65
#define BIG_TRUE 1
#define BIG_FALSE 0
/* error codes */
#define BIG_OK 0
#define BIG_NO_MEM -1
#define BIG_INVALID_ARGS -2
#define BIG_DIV_BY_0 -3
#define BIG_NO_RANDOM -4
#define BIG_GENERAL_ERR -5
#define arraysize(x) (sizeof (x) / sizeof (x[0]))
#ifdef USE_FLOATING_POINT
#endif /* USE_FLOATING_POINT */
int big_bitlength(BIGNUM *n);
#if defined(HWCAP)
#define BIG_SQR_VEC(r, a, len) \
(*big_sqr_vec_impl)(r, a, len)
extern uint32_t (*big_mul_set_vec_impl)
extern uint32_t (*big_mul_add_vec_impl)
extern void (*big_mul_vec_impl)
extern void (*big_sqr_vec_impl)
#else /* ! HWCAP */
#endif /* HWCAP */
#ifdef __cplusplus
}
#endif
#endif /* _BIGNUM_H */