You've already forked slimbootloader
mirror of
https://github.com/Dasharo/slimbootloader.git
synced 2026-03-06 15:26:20 -08:00
Guo Dong
5e10bd1e07
To align with EDK2, update file license to use BSD+Patent license Signed-off-by: Guo Dong <guo.dong@intel.com>
104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
/** @file
|
|
|
|
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#if !defined(_GS_MOD_METHOD_H)
|
|
#define _GS_MOD_METHOD_H
|
|
|
|
//#include "owndefs.h"
|
|
#include "owncp.h"
|
|
|
|
#include "pcpbnuimpl.h"
|
|
//#include "gsmodstuff.h"
|
|
|
|
typedef struct _gsModEngine gsEngine;
|
|
|
|
/* modular arith methods */
|
|
typedef BNU_CHUNK_T* (*mod_encode)(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA);
|
|
typedef BNU_CHUNK_T* (*mod_decode)(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA);
|
|
typedef BNU_CHUNK_T* (*mod_red) (BNU_CHUNK_T* pR, BNU_CHUNK_T* pA, gsEngine* pMA);
|
|
typedef BNU_CHUNK_T* (*mod_sqr) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA);
|
|
typedef BNU_CHUNK_T* (*mod_mul) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, gsEngine* pMA);
|
|
typedef BNU_CHUNK_T* (*mod_add) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, gsEngine* pMA);
|
|
typedef BNU_CHUNK_T* (*mod_sub) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, gsEngine* pMA);
|
|
typedef BNU_CHUNK_T* (*mod_neg) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA);
|
|
typedef BNU_CHUNK_T* (*mod_div2) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA);
|
|
typedef BNU_CHUNK_T* (*mod_mul2) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA);
|
|
typedef BNU_CHUNK_T* (*mod_mul3) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA);
|
|
|
|
typedef struct _gsModMethod {
|
|
mod_encode encode;
|
|
mod_decode decode;
|
|
mod_mul mul;
|
|
mod_sqr sqr;
|
|
mod_red red;
|
|
mod_add add;
|
|
mod_sub sub;
|
|
mod_neg neg;
|
|
mod_div2 div2;
|
|
mod_mul2 mul2;
|
|
mod_mul3 mul3;
|
|
} gsModMethod;
|
|
|
|
#if 0 // constant exevution time version
|
|
__INLINE BNU_CHUNK_T cpIsZero(BNU_CHUNK_T x)
|
|
{
|
|
#if (BNU_CHUNK_BITS == BNU_CHUNK_64BIT)
|
|
x |= x>>32;
|
|
#endif
|
|
x |= x>>16;
|
|
x |= x>>8;
|
|
x |= x>>4;
|
|
x |= x>>2;
|
|
x |= x>>1;
|
|
return x&1;
|
|
}
|
|
#endif
|
|
|
|
__INLINE BNU_CHUNK_T cpIsZero(BNU_CHUNK_T x)
|
|
{ return x==0; }
|
|
__INLINE BNU_CHUNK_T cpIsNonZero(BNU_CHUNK_T x)
|
|
{ return x!=0; }
|
|
__INLINE BNU_CHUNK_T cpIsOdd(BNU_CHUNK_T x)
|
|
{ return x&1; }
|
|
__INLINE BNU_CHUNK_T cpIsEven(BNU_CHUNK_T x)
|
|
{ return 1-cpIsOdd(x); }
|
|
|
|
/* dst[] = (flag)? src[] : dst[] */
|
|
__INLINE void cpMaskMove_gs(BNU_CHUNK_T* dst, const BNU_CHUNK_T* src, int len, BNU_CHUNK_T moveFlag)
|
|
{
|
|
BNU_CHUNK_T srcMask = 0-cpIsNonZero(moveFlag);
|
|
BNU_CHUNK_T dstMask = ~srcMask;
|
|
int n;
|
|
for(n=0; n<len; n++)
|
|
dst[n] = (src[n] & srcMask) ^ (dst[n] & dstMask);
|
|
}
|
|
|
|
/* common available pre-defined methos */
|
|
#define gsModMethod OWNAPI(gsModMethod)
|
|
gsModMethod* gsModArith(void);
|
|
|
|
/* available pre-defined methos for RSA */
|
|
#define gsModMethodRSA OWNAPI(gsModMethodRSA)
|
|
gsModMethod* gsModArithRSA(void);
|
|
|
|
/* available pre-defined methos for ippsMont* */
|
|
#define gsModMethodMont OWNAPI(gsModMethodMont)
|
|
gsModMethod* gsModArithMont(void);
|
|
|
|
/* available pre-defined methos for DLP * */
|
|
#define gsModMethodDLP OWNAPI(gsModMethodDLP)
|
|
gsModMethod* gsModArithDLP(void);
|
|
|
|
/* available pre-defined common methos for GF over prime * */
|
|
#define gsArithGFpOWNAPI(gsArithGFp)
|
|
gsModMethod* gsArithGFp(void);
|
|
|
|
/* ... and etc ... */
|
|
|
|
#endif /* _GS_MOD_METHOD_H */
|
|
|