朝阳专业做网站,网页制作代码简单,wordpress会员中心主题,市场推广方案怎么写在C语言中实现MD5算法———————————————————————————————————————————*/#ifndef PROTOTYPES#define PROTOTYPES 0#endiftypedef unsigned char *POINTER;typedef unsigned short int UINT2;typedef unsigned long int UINT4;#if PROT…在C语言中实现MD5算法———————————————————————————————————————————*/#ifndef PROTOTYPES#define PROTOTYPES 0#endiftypedef unsigned char *POINTER;typedef unsigned short int UINT2;typedef unsigned long int UINT4;#if PROTOTYPES#define PROTO_LIST(list) list#else#define PROTO_LIST(list) ()#endif—————————— MD5.h————————————————————————————typedef struct {UINT4 state[4];UINT4 count[2];unsigned char buffer[64];} MD5_CTX;void MD5Init PROTO_LIST ((MD5_CTX *));void MD5Update PROTO_LIST((MD5_CTX *, unsigned char *, unsigned int));void MD5Final PROTO_LIST ((unsigned char [16], MD5_CTX *));※※※※※※※※※MD5C.C※※※※※※※※※※※※※※※※※※※※※※※※#include global.h#include md5.h#define S11 7#define S12 12#define S13 17#define S14 22#define S21 5#define S22 9#define S23 14#define S24 20#define S31 4#define S32 11#define S33 16#define S34 23#define S41 6#define S42 10#define S43 15#define S44 21static void MD5Transform PROTO_LIST ((UINT4 [4], unsigned char [64]));static void Encode PROTO_LIST((unsigned char *, UINT4 *, unsigned int));static void Decode PROTO_LIST((UINT4 *, unsigned char *, unsigned int));static void MD5_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));static void MD5_memset PROTO_LIST ((POINTER, int, unsigned int));static unsigned char PADDING[64] {0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};/* 定义F G H I 为四个基数#define F(x, y, z) (((x) (y)) | ((~x) (z)))#define G(x, y, z) (((x) (z)) | ((y) (~z)))#define H(x, y, z) ((x) ^ (y) ^ (z))#define I(x, y, z) ((y) ^ ((x) | (~z)))#define ROTATE_LEFT(x, n) (((x) (n)) | ((x) (32-(n))))#define FF(a, b, c, d, x, s, ac) { \(a) F ((b), (c), (d)) (x) (UINT4)(ac); \(a) ROTATE_LEFT ((a), (s)); \(a) (b); \}#define GG(a, b, c, d, x, s, ac) { \(a) G ((b), (c), (d)) (x) (UINT4)(ac); \(a) ROTATE_LEFT ((a), (s)); \(a) (b); \}#define HH(a, b, c, d, x, s, ac) { \(a) H ((b), (c), (d)) (x) (UINT4)(ac); \(a) ROTATE_LEFT ((a), (s)); \(a) (b); \}#define II(a, b, c, d, x, s, ac) { \(a) I ((b), (c), (d)) (x) (UINT4)(ac); \(a) ROTATE_LEFT ((a), (s)); \(a) (b); \}/*开始进行MD5计算void MD5Init (context)MD5_CTX *context;{context-count[0] context-count[1] 0;/* 在这里定义四个常数也就是我们刚才讲到的四个特征数.context-state[0] 0x67452301;context-state[1] 0xefcdab89;context-state[2] 0x98badcfe;context-state[3] 0x10325476;}void MD5Update (context, input, inputLen)MD5_CTX *context;unsigned char *input; nbs
