#include?
#include?

#ifdef?NPK_DEV
void?tea_encode（int*?v?int*?k）
{
	unsigned?int?y=v[0]z=v[1]?sum=0???/*?set?up?*/
		delta=0x9e3779b9?n=32?;?????????????/*?a?key?schedule?constant?*/
	while?（n-->0）?{???????????????????????/*?basic?cycle?start?*/
		sum?+=?delta?;
		y?+=?（z<<4）+k[0]?^?z+sum?^?（z>>5）+k[1]?;
		z?+=?（y<<4）+k[2]?^?y+sum?^?（y>>5）+k[3]?;???/*?end?cycle?*/
	}
	v[0]=y?;?v[1]=z?;
}

void?tea_encode_byte（char*?v?int*?k?off_t?p）
{
	char?y[]?=?“NpK!TeA“;
????*v?=?*v^y[p]^（char）（k[p%4]%0xFF）;
}

void?tea_encode_buffer（char*?in_buffer?off_t?in_size?int*?key?int?cipherRemains）
{
	char?*p;
	off_t?remain?=?in_size?%?8;
	off_t?align_size?=?in_size?-?remain;
	for?（p?=?in_buffer;?p?		tea_encode（?（int*）p?key）;
????if（?remain?>?0?&&?cipherRemains?）
????????for?（p?=?in_buffer?+?align_size;?p?????????????tea_encode_byte（?p?key?--remain?）;
}
#endif

void?tea_decode（int*?vint*?k）
{
	unsigned?int?n=32?sum?y=v[0]?z=v[1]
		delta=0x9e3779b9?;
	sum=delta<<5?;
	/*?start?cycle?*/
	while?（n-->0）?{
		z-=?（y<<4）+k[2]?^?y+sum?^?（y>>5）+k[3]?;
		y-=?（z<<4）+k[0]?^?z+sum?^?（z>>5）+k[1]?;
		sum-=delta?;??}
	/*?end?cycle?*/
	v[0]=y?;?v[1]=z?;
}

void?tea_decode_byte（char*?v?int*?k?off_t?p）
{
	char?y[]?=?“NpK!TeA“;
????*v?=?*v^（char）（k[p%4]%0xFF）^y[p];
}

void?tea_decode_buffer（char*?in_buffer?off_t?in_size?int*?key?int?cipherRemains）
{
	char?*p;
	off_t?remain?=?in_size?%?8;
	off_t?align_size?=?in_size?-?remain;
	for?（p?=?in_buffer;?p?		tea_decode（?（int*）p?key）;
????if（?remain?>?0?&&?cipherRemains?）
????????for?（p?=?in_buffer?+?align_size;?p?????????????tea_decode_byte（?p?key?--remain?）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????.......????????28??2014-01-09?04:32??npk-master\.gitignore

????.......????????67??2014-01-09?04:32??npk-master\.travis.yml

?????文件?????????82??2014-01-09?04:32??npk-master\build.sh

????.......???????990??2014-01-09?04:32??npk-master\CMakeLists.txt

????.......??????1998??2014-01-09?04:32??npk-master\libnpk\CMakeLists.txt

????.......??????1768??2014-01-09?04:32??npk-master\libnpk\external\tea\tea.c

????.......???????322??2014-01-09?04:32??npk-master\libnpk\external\tea\tea.h

????.......??????2068??2014-01-09?04:32??npk-master\libnpk\external\xxtea\xxtea.c

????.......???????317??2014-01-09?04:32??npk-master\libnpk\external\xxtea\xxtea.h

????.......??????5048??2014-01-09?04:32??npk-master\libnpk\external\zlib\adler32.c

????.......??????2520??2014-01-09?04:32??npk-master\libnpk\external\zlib\compress.c

????.......?????13681??2014-01-09?04:32??npk-master\libnpk\external\zlib\crc32.c

????.......?????30568??2014-01-09?04:32??npk-master\libnpk\external\zlib\crc32.h

????.......?????67992??2014-01-09?04:32??npk-master\libnpk\external\zlib\deflate.c

????.......?????12672??2014-01-09?04:32??npk-master\libnpk\external\zlib\deflate.h

????.......?????22622??2014-01-09?04:32??npk-master\libnpk\external\zlib\infback.c

????.......?????13439??2014-01-09?04:32??npk-master\libnpk\external\zlib\inffast.c

????.......???????427??2014-01-09?04:32??npk-master\libnpk\external\zlib\inffast.h

????.......??????6343??2014-01-09?04:32??npk-master\libnpk\external\zlib\inffixed.h

????.......?????52623??2014-01-09?04:32??npk-master\libnpk\external\zlib\inflate.c

????.......??????6399??2014-01-09?04:32??npk-master\libnpk\external\zlib\inflate.h

????.......?????13769??2014-01-09?04:32??npk-master\libnpk\external\zlib\inftrees.c

????.......??????2928??2014-01-09?04:32??npk-master\libnpk\external\zlib\inftrees.h

????.......??????5200??2014-01-09?04:32??npk-master\libnpk\external\zlib\README

????.......?????45242??2014-01-09?04:32??npk-master\libnpk\external\zlib\trees.c

????.......??????8472??2014-01-09?04:32??npk-master\libnpk\external\zlib\trees.h

????.......??????1994??2014-01-09?04:32??npk-master\libnpk\external\zlib\uncompr.c

????.......?????13360??2014-01-09?04:32??npk-master\libnpk\external\zlib\zconf.h

????.......?????79564??2014-01-09?04:32??npk-master\libnpk\external\zlib\zlib.h

????.......??????7313??2014-01-09?04:32??npk-master\libnpk\external\zlib\zutil.c

............此處省略79個文件信息