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Anders Rundgren / Mbed 2 deprecated crypto

webpki/_shacommon.h@0:1728f99b19f6, 2009-12-29 (annotated)

Committer:: andersrundgren
Date:: Tue Dec 29 21:08:18 2009 +0000
Revision:: 0:1728f99b19f6

Who changed what in which revision?

User	Revision	Line number	New contents of line
andersrundgren	0:1728f99b19f6	1	#define DATA_ORDER_IS_BIG_ENDIAN
andersrundgren	0:1728f99b19f6	2
andersrundgren	0:1728f99b19f6	3	/*
andersrundgren	0:1728f99b19f6	4	* Engage compiler specific rotate intrinsic function if available.
andersrundgren	0:1728f99b19f6	5	*/
andersrundgren	0:1728f99b19f6	6	#undef ROTATE
andersrundgren	0:1728f99b19f6	7	#ifndef PEDANTIC
andersrundgren	0:1728f99b19f6	8	# if defined(_MSC_VER) \|\| defined(__ICC)
andersrundgren	0:1728f99b19f6	9	# define ROTATE(a,n) _lrotl(a,n)
andersrundgren	0:1728f99b19f6	10	# elif defined(__MWERKS__)
andersrundgren	0:1728f99b19f6	11	# if defined(__POWERPC__)
andersrundgren	0:1728f99b19f6	12	# define ROTATE(a,n) __rlwinm(a,n,0,31)
andersrundgren	0:1728f99b19f6	13	# elif defined(__MC68K__)
andersrundgren	0:1728f99b19f6	14	/* Motorola specific tweak. <appro@fy.chalmers.se> */
andersrundgren	0:1728f99b19f6	15	# define ROTATE(a,n) ( n<24 ? __rol(a,n) : __ror(a,32-n) )
andersrundgren	0:1728f99b19f6	16	# else
andersrundgren	0:1728f99b19f6	17	# define ROTATE(a,n) __rol(a,n)
andersrundgren	0:1728f99b19f6	18	# endif
andersrundgren	0:1728f99b19f6	19	# elif defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
andersrundgren	0:1728f99b19f6	20	/*
andersrundgren	0:1728f99b19f6	21	* Some GNU C inline assembler templates. Note that these are
andersrundgren	0:1728f99b19f6	22	* rotates by constant number of bits! But that's exactly
andersrundgren	0:1728f99b19f6	23	* what we need here...
andersrundgren	0:1728f99b19f6	24	* <appro@fy.chalmers.se>
andersrundgren	0:1728f99b19f6	25	*/
andersrundgren	0:1728f99b19f6	26	# if defined(__i386) \|\| defined(__i386__) \|\| defined(__x86_64) \|\| defined(__x86_64__)
andersrundgren	0:1728f99b19f6	27	# define ROTATE(a,n) ({ register unsigned int ret; \
andersrundgren	0:1728f99b19f6	28	asm ( \
andersrundgren	0:1728f99b19f6	29	"roll %1,%0" \
andersrundgren	0:1728f99b19f6	30	: "=r"(ret) \
andersrundgren	0:1728f99b19f6	31	: "I"(n), "0"(a) \
andersrundgren	0:1728f99b19f6	32	: "cc"); \
andersrundgren	0:1728f99b19f6	33	ret; \
andersrundgren	0:1728f99b19f6	34	})
andersrundgren	0:1728f99b19f6	35	# elif defined(_ARCH_PPC) \|\| defined(_ARCH_PPC64) \|\| \
andersrundgren	0:1728f99b19f6	36	defined(__powerpc) \|\| defined(__ppc__) \|\| defined(__powerpc64__)
andersrundgren	0:1728f99b19f6	37	# define ROTATE(a,n) ({ register unsigned int ret; \
andersrundgren	0:1728f99b19f6	38	asm ( \
andersrundgren	0:1728f99b19f6	39	"rlwinm %0,%1,%2,0,31" \
andersrundgren	0:1728f99b19f6	40	: "=r"(ret) \
andersrundgren	0:1728f99b19f6	41	: "r"(a), "I"(n)); \
andersrundgren	0:1728f99b19f6	42	ret; \
andersrundgren	0:1728f99b19f6	43	})
andersrundgren	0:1728f99b19f6	44	# elif defined(__s390x__)
andersrundgren	0:1728f99b19f6	45	# define ROTATE(a,n) ({ register unsigned int ret; \
andersrundgren	0:1728f99b19f6	46	asm ("rll %0,%1,%2" \
andersrundgren	0:1728f99b19f6	47	: "=r"(ret) \
andersrundgren	0:1728f99b19f6	48	: "r"(a), "I"(n)); \
andersrundgren	0:1728f99b19f6	49	ret; \
andersrundgren	0:1728f99b19f6	50	})
andersrundgren	0:1728f99b19f6	51	# endif
andersrundgren	0:1728f99b19f6	52	# endif
andersrundgren	0:1728f99b19f6	53	#endif /* PEDANTIC */
andersrundgren	0:1728f99b19f6	54
andersrundgren	0:1728f99b19f6	55	#ifndef ROTATE
andersrundgren	0:1728f99b19f6	56	#define ROTATE(a,n) (((a)<<(n))\|(((a)&0xffffffff)>>(32-(n))))
andersrundgren	0:1728f99b19f6	57	#endif
andersrundgren	0:1728f99b19f6	58
andersrundgren	0:1728f99b19f6	59	#if defined(DATA_ORDER_IS_BIG_ENDIAN)
andersrundgren	0:1728f99b19f6	60
andersrundgren	0:1728f99b19f6	61	#ifndef PEDANTIC
andersrundgren	0:1728f99b19f6	62	# if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
andersrundgren	0:1728f99b19f6	63	# if ((defined(__i386) \|\| defined(__i386__)) && !defined(I386_ONLY)) \|\| \
andersrundgren	0:1728f99b19f6	64	(defined(__x86_64) \|\| defined(__x86_64__))
andersrundgren	0:1728f99b19f6	65	# if !defined(B_ENDIAN)
andersrundgren	0:1728f99b19f6	66	/*
andersrundgren	0:1728f99b19f6	67	* This gives ~30-40% performance improvement in SHA-256 compiled
andersrundgren	0:1728f99b19f6	68	* with gcc [on P4]. Well, first macro to be frank. We can pull
andersrundgren	0:1728f99b19f6	69	* this trick on x86* platforms only, because these CPUs can fetch
andersrundgren	0:1728f99b19f6	70	* unaligned data without raising an exception.
andersrundgren	0:1728f99b19f6	71	*/
andersrundgren	0:1728f99b19f6	72	# define HOST_c2l(c,l) ({ unsigned int r=((const unsigned int )(c)); \
andersrundgren	0:1728f99b19f6	73	asm ("bswapl %0":"=r"(r):"0"(r)); \
andersrundgren	0:1728f99b19f6	74	(c)+=4; (l)=r; })
andersrundgren	0:1728f99b19f6	75	# define HOST_l2c(l,c) ({ unsigned int r=(l); \
andersrundgren	0:1728f99b19f6	76	asm ("bswapl %0":"=r"(r):"0"(r)); \
andersrundgren	0:1728f99b19f6	77	((unsigned int )(c))=r; (c)+=4; r; })
andersrundgren	0:1728f99b19f6	78	# endif
andersrundgren	0:1728f99b19f6	79	# endif
andersrundgren	0:1728f99b19f6	80	# endif
andersrundgren	0:1728f99b19f6	81	#endif
andersrundgren	0:1728f99b19f6	82	#if defined(__s390__) \|\| defined(__s390x__)
andersrundgren	0:1728f99b19f6	83	# define HOST_c2l(c,l) ((l)=((const unsigned int )(c)), (c)+=4, (l))
andersrundgren	0:1728f99b19f6	84	# define HOST_l2c(l,c) (((unsigned int )(c))=(l), (c)+=4, (l))
andersrundgren	0:1728f99b19f6	85	#endif
andersrundgren	0:1728f99b19f6	86
andersrundgren	0:1728f99b19f6	87	#ifndef HOST_c2l
andersrundgren	0:1728f99b19f6	88	#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++)))<<24), \
andersrundgren	0:1728f99b19f6	89	l\|=(((unsigned long)(*((c)++)))<<16), \
andersrundgren	0:1728f99b19f6	90	l\|=(((unsigned long)(*((c)++)))<< 8), \
andersrundgren	0:1728f99b19f6	91	l\|=(((unsigned long)(*((c)++))) ), \
andersrundgren	0:1728f99b19f6	92	l)
andersrundgren	0:1728f99b19f6	93	#endif
andersrundgren	0:1728f99b19f6	94	#ifndef HOST_l2c
andersrundgren	0:1728f99b19f6	95	#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
andersrundgren	0:1728f99b19f6	96	*((c)++)=(unsigned char)(((l)>>16)&0xff), \
andersrundgren	0:1728f99b19f6	97	*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
andersrundgren	0:1728f99b19f6	98	*((c)++)=(unsigned char)(((l) )&0xff), \
andersrundgren	0:1728f99b19f6	99	l)
andersrundgren	0:1728f99b19f6	100	#endif
andersrundgren	0:1728f99b19f6	101
andersrundgren	0:1728f99b19f6	102	#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN)
andersrundgren	0:1728f99b19f6	103
andersrundgren	0:1728f99b19f6	104	#ifndef PEDANTIC
andersrundgren	0:1728f99b19f6	105	# if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
andersrundgren	0:1728f99b19f6	106	# if defined(__s390x__)
andersrundgren	0:1728f99b19f6	107	# define HOST_c2l(c,l) ({ asm ("lrv %0,0(%1)" \
andersrundgren	0:1728f99b19f6	108	:"=r"(l) : "r"(c)); \
andersrundgren	0:1728f99b19f6	109	(c)+=4; (l); })
andersrundgren	0:1728f99b19f6	110	# define HOST_l2c(l,c) ({ asm ("strv %0,0(%1)" \
andersrundgren	0:1728f99b19f6	111	: : "r"(l),"r"(c) : "memory"); \
andersrundgren	0:1728f99b19f6	112	(c)+=4; (l); })
andersrundgren	0:1728f99b19f6	113	# endif
andersrundgren	0:1728f99b19f6	114	# endif
andersrundgren	0:1728f99b19f6	115	#endif
andersrundgren	0:1728f99b19f6	116	#if defined(__i386) \|\| defined(__i386__) \|\| defined(__x86_64) \|\| defined(__x86_64__)
andersrundgren	0:1728f99b19f6	117	# ifndef B_ENDIAN
andersrundgren	0:1728f99b19f6	118	/* See comment in DATA_ORDER_IS_BIG_ENDIAN section. */
andersrundgren	0:1728f99b19f6	119	# define HOST_c2l(c,l) ((l)=((const unsigned int )(c)), (c)+=4, l)
andersrundgren	0:1728f99b19f6	120	# define HOST_l2c(l,c) (((unsigned int )(c))=(l), (c)+=4, l)
andersrundgren	0:1728f99b19f6	121	# endif
andersrundgren	0:1728f99b19f6	122	#endif
andersrundgren	0:1728f99b19f6	123
andersrundgren	0:1728f99b19f6	124	#ifndef HOST_c2l
andersrundgren	0:1728f99b19f6	125	#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \
andersrundgren	0:1728f99b19f6	126	l\|=(((unsigned long)(*((c)++)))<< 8), \
andersrundgren	0:1728f99b19f6	127	l\|=(((unsigned long)(*((c)++)))<<16), \
andersrundgren	0:1728f99b19f6	128	l\|=(((unsigned long)(*((c)++)))<<24), \
andersrundgren	0:1728f99b19f6	129	l)
andersrundgren	0:1728f99b19f6	130	#endif
andersrundgren	0:1728f99b19f6	131	#ifndef HOST_l2c
andersrundgren	0:1728f99b19f6	132	#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
andersrundgren	0:1728f99b19f6	133	*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
andersrundgren	0:1728f99b19f6	134	*((c)++)=(unsigned char)(((l)>>16)&0xff), \
andersrundgren	0:1728f99b19f6	135	*((c)++)=(unsigned char)(((l)>>24)&0xff), \
andersrundgren	0:1728f99b19f6	136	l)
andersrundgren	0:1728f99b19f6	137	#endif
andersrundgren	0:1728f99b19f6	138
andersrundgren	0:1728f99b19f6	139	#endif

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	29 Dec 2009
Imports:	50
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	2

webpki/_shacommon.h@0:1728f99b19f6, 2009-12-29 (annotated)

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