?? rc5.h
字號:
typedef unsigned long int u32; /*Shoule be 32 bit = 4 bytes*/
typedef unsigned char u16;
/*Rotation operators. x must be unsigned, to get logical right shift*/
#define ROTL(x,y) ( ((x)<<(y&(w-1))) | ((x)>>(w-(y&(w-1)))) )
#define ROTR(x,y) ( ((x)>>(y&(w-1))) | ((x)<<(w-(y&(w-1)))) )
void RC5_encrypt( u32 *data ); /*加密，輸入明文pt[2],輸出密文ct[2]*/
void RC5_decrypt( u32 *data ); /*解密，輸入密文ct[2],輸出明文pt[2]*/
void key_setup( unsigned char *K ); /*生成子密鑰*/?? 快捷鍵說明
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