#include?
#include?
#include?
#include?
#include?

#undef?BIG_ENDIAN_HOST
typedef?unsigned?int?u32;

/****************
*?Rotate?a?32?bit?integer?by?n?bytes
*/
#if?defined（__GNUC__）?&&?defined（__i386__）
static?inline?u32
rol（?u32?x?int?n）
{
	__asm__（“roll?%%cl%0“
		:“=r“?（x）
		:“0“?（x）“c“?（n））;
	return?x;
}
#else
#define?rol（xn）?（?（（x）?<>?（32-（n）））?）
#endif


typedef?struct?{
????u32??h0h1h2h3h4;
????u32??nblocks;
????unsigned?char?buf[64];
????int??count;
}?SHA1_CONTEXT;



void
sha1_init（?SHA1_CONTEXT?*hd?）
{
????hd->h0?=?0x67452301;
????hd->h1?=?0xefcdab89;
????hd->h2?=?0x98badcfe;
????hd->h3?=?0x10325476;
????hd->h4?=?0xc3d2e1f0;
????hd->nblocks?=?0;
????hd->count?=?0;
}


/****************
*?Transform?the?message?X?which?consists?of?16?32-bit-words
*/
static?void
transform（?SHA1_CONTEXT?*hd?unsigned?char?*data?）
{
????u32?abcdetm;
????u32?x[16];
	
??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????8465??2012-08-01?20:41??GetFileSha1.cpp