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TwlIPL_commit-99/build/libraries_sysmenu/acsign/ARM9/include/sha_locl.h
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Add unedited TwlIPL commit #99.
2023-12-16 15:41:34 -05:00

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/*---------------------------------------------------------------------------*
Project: TwlIPL
File:
Copyright 2007 Nintendo. All rights reserved.
These coded instructions, statements, and computer programs contain
proprietary information of Nintendo of America Inc. and/or Nintendo
Company Ltd., and are protected by Federal copyright law. They may
not be disclosed to third parties or copied or duplicated in any form,
in whole or in part, without the prior written consent of Nintendo.
$Date:: $
$Rev$
$Author$
*---------------------------------------------------------------------------*/
/*
* Copyright (C) 1998-2002 RSA Security Inc. All rights reserved.
*
* This work contains proprietary information of RSA Security.
* Distribution is limited to authorized licensees of RSA
* Security. Any unauthorized reproduction, distribution or
* modification of this work is strictly prohibited.
*
*/
#ifndef HEADER_COMMON_SHA_LOCL_H
#define HEADER_COMMON_SHA_LOCL_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef STANDALONE
#include "r_com.h"
#else
#if 0 //RSA
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define Memcpy memcpy
#define Memset memset
#define Strcpy strcpy
#else //NITRO
#include "acmemory.h"
#define Malloc(a) ACMemory_Alloc(a)
#define Free(a) ACMemory_Free(a)
#define Memset(a,b,c) ACMemory_Memset(a,b,c)
#define Memcpy(a,b,c) ACMemory_Memcpy(a,b,c)
#endif
#endif
#ifdef undef
/* one or the other must be defined */
#ifndef SHA_1 /* FIPE 180-1 */
#define SHA_0 /* FIPS 180 */
#endif
#endif
#define ULONG unsigned long
#define UCHAR unsigned char
#define UINT unsigned int
#ifdef NOCONST
#define const
#endif
#undef c2nl
#define c2nl(c,l) (l =(((unsigned long)(*((c)++)))<<24), \
l|=(((unsigned long)(*((c)++)))<<16), \
l|=(((unsigned long)(*((c)++)))<< 8), \
l|=(((unsigned long)(*((c)++))) ))
#undef p_c2nl
#define p_c2nl(c,l,n) { \
switch (n) { \
case 0: l =((unsigned long)(*((c)++)))<<24; \
case 1: l|=((unsigned long)(*((c)++)))<<16; \
case 2: l|=((unsigned long)(*((c)++)))<< 8; \
case 3: l|=((unsigned long)(*((c)++))); \
} \
}
#undef c2nl_p
/* NOTE the pointer is not incremented at the end of this */
#define c2nl_p(c,l,n) { \
l=0; \
(c)+=n; \
switch (n) { \
case 3: l =((unsigned long)(*(--(c))))<< 8; \
case 2: l|=((unsigned long)(*(--(c))))<<16; \
case 1: l|=((unsigned long)(*(--(c))))<<24; \
} \
}
#undef p_c2nl_p
#define p_c2nl_p(c,l,sc,len) { \
switch (sc) \
{ \
case 0: l =((unsigned long)(*((c)++)))<<24; \
if (--len == 0) break; \
case 1: l|=((unsigned long)(*((c)++)))<<16; \
if (--len == 0) break; \
case 2: l|=((unsigned long)(*((c)++)))<< 8; \
} \
}
#undef nl2c
#define nl2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
*((c)++)=(unsigned char)(((l) )&0xff))
#undef c2l
#define c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \
l|=(((unsigned long)(*((c)++)))<< 8), \
l|=(((unsigned long)(*((c)++)))<<16), \
l|=(((unsigned long)(*((c)++)))<<24))
#undef p_c2l
#define p_c2l(c,l,n) { \
switch (n) { \
case 0: l =((unsigned long)(*((c)++))); \
case 1: l|=((unsigned long)(*((c)++)))<< 8; \
case 2: l|=((unsigned long)(*((c)++)))<<16; \
case 3: l|=((unsigned long)(*((c)++)))<<24; \
} \
}
#undef c2l_p
/* NOTE the pointer is not incremented at the end of this */
#define c2l_p(c,l,n) { \
l=0; \
(c)+=n; \
switch (n) { \
case 3: l =((unsigned long)(*(--(c))))<<16; \
case 2: l|=((unsigned long)(*(--(c))))<< 8; \
case 1: l|=((unsigned long)(*(--(c)))); \
} \
}
#undef p_c2l_p
#define p_c2l_p(c,l,sc,len) { \
switch (sc) \
{ \
case 0: l =((unsigned long)(*((c)++))); \
if (--len == 0) break; \
case 1: l|=((unsigned long)(*((c)++)))<< 8; \
if (--len == 0) break; \
case 2: l|=((unsigned long)(*((c)++)))<<16; \
} \
}
#undef l2c
#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
*((c)++)=(unsigned char)(((l)>>16)&0xff), \
*((c)++)=(unsigned char)(((l)>>24)&0xff))
#ifdef OPT_SHA_B_ENDIAN
#define B_ENDIAN
#endif
#ifdef OPT_SHA_L_ENDIAN
#define L_ENDIAN
#endif
#undef ROTATE
#if defined(WIN32)
#define ROTATE(a,n) _lrotl(a,n)
#else
#define ROTATE(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
#endif
/* byte order reversal */
#if defined(WIN32)
/* 5 instructions with rotate instruction, else 9 */
#define Endian_Reverse32(a) \
{ \
unsigned long l=(a); \
(a)=((ROTATE(l,8)&0x00FF00FF)|(ROTATE(l,24)&0xFF00FF00)); \
}
#else
/* 6 instructions with rotate instruction, else 8 */
#define Endian_Reverse32(a) \
{ \
unsigned long l=(a); \
l=(((l&0xFF00FF00)>>8L)|((l&0x00FF00FF)<<8L)); \
(a)=ROTATE(l,16L); \
}
#endif
/* F() below can be
* simplified to the code in F_00_19.
* #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z)))
* another tweak to be made
* in F_40_59, (x&a)|(y&a) -> (x|y)&a
*/
#define F_00_19(b,c,d) ((((c) ^ (d)) & (b)) ^ (d))
#define F_20_39(b,c,d) ((b) ^ (c) ^ (d))
#define F_40_59(b,c,d) (((b) & (c)) | (((b)|(c)) & (d)))
#define F_60_79(b,c,d) F_20_39(b,c,d)
#ifdef SHA_0
#undef Xupdate
#define Xupdate(a,i,ia,ib,ic,id) X[(i)&0x0f]=(a)=\
(ia[(i)&0x0f]^ib[((i)+2)&0x0f]^ic[((i)+8)&0x0f]^id[((i)+13)&0x0f]);
#endif
#ifdef SHA_1
#undef Xupdate
#define Xupdate(a,i,ia,ib,ic,id) (a)=\
(ia[(i)&0x0f]^ib[((i)+2)&0x0f]^ic[((i)+8)&0x0f]^id[((i)+13)&0x0f]);\
X[(i)&0x0f]=(a)=ROTATE((a),1);
#endif
#define BODY_00_15(i,a,b,c,d,e,f,xa) \
(f)=xa[i]+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_60_79(i,a,b,c,d,e,f,xa) \
Xupdate(f,i,xa,xa,xa,xa); \
(f)=X[(i)&0x0f]+(e)+K_60_79+ROTATE((a),5)+F_60_79((b),(c),(d)); \
(b)=ROTATE((b),30);
/*
* The CodeWarrior compiler has a problem correctly expanding things like
*
* (f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d));
*
* so we separate this to 3 explicit adds, just for PalmOS.
*/
#ifndef UNDER_PALMOS
#define BODY_16_19(i,a,b,c,d,e,f,xa,xb,xc,xd) \
Xupdate(f,i,xa,xb,xc,xd); \
(f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_20_31(i,a,b,c,d,e,f,xa,xb,xc,xd) \
Xupdate(f,i,xa,xb,xc,xd); \
(f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_32_39(i,a,b,c,d,e,f,xa) \
Xupdate(f,i,xa,xa,xa,xa); \
(f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_40_59(i,a,b,c,d,e,f,xa) \
Xupdate(f,i,xa,xa,xa,xa); \
(f)+=(e)+K_40_59+ROTATE((a),5)+F_40_59((b),(c),(d)); \
(b)=ROTATE((b),30);
#else /* UNDER_PALMOS */
#define BODY_16_19(i,a,b,c,d,e,f,xa,xb,xc,xd) \
Xupdate(f,i,xa,xb,xc,xd); \
(f)+=(e); \
(f)+=K_00_19; \
(f)+=ROTATE((a),5)+F_00_19((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_20_31(i,a,b,c,d,e,f,xa,xb,xc,xd) \
Xupdate(f,i,xa,xb,xc,xd); \
(f)+=(e); \
(f)+=K_20_39; \
(f)+=ROTATE((a),5)+F_20_39((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_32_39(i,a,b,c,d,e,f,xa) \
Xupdate(f,i,xa,xa,xa,xa); \
(f)+=(e); \
(f)+=K_20_39; \
(f)+=ROTATE((a),5)+F_20_39((b),(c),(d)); \
(b)=ROTATE((b),30);
#define BODY_40_59(i,a,b,c,d,e,f,xa) \
Xupdate(f,i,xa,xa,xa,xa); \
(f)+=(e); \
(f)+=K_40_59; \
(f)+=ROTATE((a),5)+F_40_59((b),(c),(d)); \
(b)=ROTATE((b),30);
#endif /* UNDER_PALMOS */
#ifdef __cplusplus
}
#endif
#endif /* HEADER_COMMON_SHA_LOCL_H */
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