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MD5加密算法C++实现

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  • 发布时间：2018-09-13
  • 实例类别：Windows系统编程
  • 发 布 人：guibing-bao
  • 文件格式：.rar
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 相关标签： 算法 加密 c++ c MD5
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/************************************************************
MD5校验和计算小程序（C）
  Author: rssn
  Email : rssn@163.com
  QQ    : 126027268
  Blog  : http://blog.csdn.net/rssn_net/
 ************************************************************/
#include "StdAfx.h"
#include "MD5.h"
//DEFINES for MD5

#define UINT4 unsigned int


/* F, G, H and I are basic MD5 functions. */
#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)))

/* ROTATE_LEFT rotates x left n bits. */
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))

/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
Rotation is separate from addition to prevent recomputation. */
#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); \
  }

// Constants for MD5 Transform routine.
#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 21

//===============

#include <stdio.h>
#include <string.h>
//#include "Md5.h"

//MD5摘要
MD5VAL md5(char * str, unsigned int size)
{
 if(size==0)
  size=strlen(str);
 unsigned int m=size%64;
 unsigned int lm=size-m;  //数据整块长度
 unsigned int ln;  //数据补位后长度
 if(m<56)
  ln=lm 64;
 else
  ln=lm 128;
 char * strw=new char[ln];
 unsigned int i;
 //复制原字串到缓冲区strw
 for(i=0;i<size;i )
  strw[i]=str[i];
 //补位
 strw[i ]=0x80;
 for(i;i<ln-8;i )
  strw[i]=0x00;
 //补长度
 unsigned int * x=(unsigned int *)(strw i);
 *(x )=size<<3;
 *(x )=size>>29;
 //初始化MD5参数
 MD5VAL val={0x67452301,0xefcdab89,0x98badcfe,0x10325476};
 unsigned int &a=val.a, &b=val.b, &c=val.c, &d=val.d;
 unsigned int aa,bb,cc,dd;
 for(i=0;i<ln;i =64)
 {
  x=(unsigned int *)(strw i);
  // Save the values
  aa=a; bb=b; cc=c; dd=d;
  // Round 1
  FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
  FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
  FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
  FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
  FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
  FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
  FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
  FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
  FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
  FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
  FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
  FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
  FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
  FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
  FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
  FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
  // Round 2
  GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
  GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
  GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
  GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
  GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
  GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
  GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
  GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
  GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
  GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
  GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
  GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
  GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
  GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
  GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
  GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
  // Round 3
  HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
  HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
  HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
  HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
  HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
  HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
  HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
  HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
  HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
  HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
  HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
  HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
  HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
  HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
  HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
  HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
  // Round 4 */
  II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
  II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
  II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
  II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
  II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
  II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
  II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
  II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
  II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
  II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
  II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
  II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
  II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
  II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
  II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
  II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
  // Add the original values
  a =aa;
  b =bb;
  c =cc;
  d =dd;
 }
 delete[] strw;
 return val;
}

#define BUFFER_SIZE 4096   //必须是64的倍数
static char * Buffer=NULL;
//MD5文件摘要
MD5VAL md5File(FILE * fpin)
{
 if(!Buffer)
  Buffer=new char[BUFFER_SIZE 64];
 char * buf=Buffer;
 MD5VAL val={0x67452301,0xefcdab89,0x98badcfe,0x10325476};
 unsigned int &a=val.a, &b=val.b, &c=val.c, &d=val.d;
 unsigned int aa,bb,cc,dd;
 unsigned int i,j,count,co;
 unsigned int * x;
 i=0;
 do
 {
  count=fread(buf,1,BUFFER_SIZE,fpin);
  i =count;
  if(count==BUFFER_SIZE)
   co=BUFFER_SIZE;
  else
  {
   j=count;
   buf[j ]=0x80;
   for(j;j%64!=56;j )
    buf[j]=0x00;
   *(unsigned int *)(buf j)=i<<3; j =4;
   *(unsigned int *)(buf j)=i>>29; j =4;
   co=j;
  }
  for(j=0;j<co;j =64)
  {
   x=(unsigned int *)(buf j);
   // Save the values
   aa=a; bb=b; cc=c; dd=d;
   // Round 1
   FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
   FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
   FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
   FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
   FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
   FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
   FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
   FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
   FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
   FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
   FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
   FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
   FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
   FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
   FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
   FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
   // Round 2
   GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
   GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
   GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
   GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
   GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
   GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
   GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
   GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
   GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
   GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
   GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
   GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
   GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
   GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
   GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
   GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
   // Round 3
   HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
   HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
   HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
   HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
   HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
   HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
   HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
   HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
   HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
   HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
   HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
   HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
   HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
   HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
   HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
   HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
   // Round 4 */
   II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
   II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
   II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
   II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
   II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
   II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
   II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
   II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
   II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
   II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
   II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
   II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
   II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
   II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
   II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
   II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
   // Add the original values
   a =aa;
   b =bb;
   c =cc;
   d =dd;
  }

 } while(count==BUFFER_SIZE);
 return val;
}


unsigned int conv(unsigned int a)
{
 unsigned int b=0;
 b|=(a<<24)&0xff000000;
 b|=(a<<8)&0x00ff0000;
 b|=(a>>8)&0x0000ff00;
 b|=(a>>24)&0x000000ff;
 return b;
}
/************************************************************
MD5校验和计算小程序（C）
  Author: rssn
  Email : rssn@163.com
  QQ    : 126027268
  Blog  : http://blog.csdn.net/rssn_net/
 ************************************************************/
#include "StdAfx.h"
#include "MD5.h"
//DEFINES for MD5

#define UINT4 unsigned int


/* F, G, H and I are basic MD5 functions. */
#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)))

/* ROTATE_LEFT rotates x left n bits. */
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))

/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
Rotation is separate from addition to prevent recomputation. */
#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); \
  }

// Constants for MD5 Transform routine.
#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 21

//===============

#include <stdio.h>
#include <string.h>
//#include "Md5.h"

//MD5摘要
MD5VAL md5(char * str, unsigned int size)
{
 if(size==0)
  size=strlen(str);
 unsigned int m=size%64;
 unsigned int lm=size-m;  //数据整块长度
 unsigned int ln;  //数据补位后长度
 if(m<56)
  ln=lm 64;
 else
  ln=lm 128;
 char * strw=new char[ln];
 unsigned int i;
 //复制原字串到缓冲区strw
 for(i=0;i<size;i )
  strw[i]=str[i];
 //补位
 strw[i ]=0x80;
 for(i;i<ln-8;i )
  strw[i]=0x00;
 //补长度
 unsigned int * x=(unsigned int *)(strw i);
 *(x )=size<<3;
 *(x )=size>>29;
 //初始化MD5参数
 MD5VAL val={0x67452301,0xefcdab89,0x98badcfe,0x10325476};
 unsigned int &a=val.a, &b=val.b, &c=val.c, &d=val.d;
 unsigned int aa,bb,cc,dd;
 for(i=0;i<ln;i =64)
 {
  x=(unsigned int *)(strw i);
  // Save the values
  aa=a; bb=b; cc=c; dd=d;
  // Round 1
  FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
  FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
  FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
  FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
  FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
  FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
  FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
  FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
  FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
  FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
  FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
  FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
  FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
  FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
  FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
  FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
  // Round 2
  GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
  GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
  GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
  GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
  GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
  GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
  GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
  GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
  GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
  GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
  GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
  GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
  GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
  GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
  GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
  GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
  // Round 3
  HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
  HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
  HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
  HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
  HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
  HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
  HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
  HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
  HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
  HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
  HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
  HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
  HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
  HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
  HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
  HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
  // Round 4 */
  II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
  II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
  II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
  II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
  II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
  II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
  II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
  II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
  II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
  II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
  II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
  II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
  II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
  II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
  II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
  II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
  // Add the original values
  a =aa;
  b =bb;
  c =cc;
  d =dd;
 }
 delete[] strw;
 return val;
}

#define BUFFER_SIZE 4096   //必须是64的倍数
static char * Buffer=NULL;
//MD5文件摘要
MD5VAL md5File(FILE * fpin)
{
 if(!Buffer)
  Buffer=new char[BUFFER_SIZE 64];
 char * buf=Buffer;
 MD5VAL val={0x67452301,0xefcdab89,0x98badcfe,0x10325476};
 unsigned int &a=val.a, &b=val.b, &c=val.c, &d=val.d;
 unsigned int aa,bb,cc,dd;
 unsigned int i,j,count,co;
 unsigned int * x;
 i=0;
 do
 {
  count=fread(buf,1,BUFFER_SIZE,fpin);
  i =count;
  if(count==BUFFER_SIZE)
   co=BUFFER_SIZE;
  else
  {
   j=count;
   buf[j ]=0x80;
   for(j;j%64!=56;j )
    buf[j]=0x00;
   *(unsigned int *)(buf j)=i<<3; j =4;
   *(unsigned int *)(buf j)=i>>29; j =4;
   co=j;
  }
  for(j=0;j<co;j =64)
  {
   x=(unsigned int *)(buf j);
   // Save the values
   aa=a; bb=b; cc=c; dd=d;
   // Round 1
   FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
   FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
   FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
   FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
   FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
   FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
   FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
   FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
   FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
   FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
   FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
   FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
   FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
   FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
   FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
   FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
   // Round 2
   GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
   GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
   GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
   GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
   GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
   GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
   GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
   GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
   GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
   GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
   GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
   GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
   GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
   GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
   GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
   GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
   // Round 3
   HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
   HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
   HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
   HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
   HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
   HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
   HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
   HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
   HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
   HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
   HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
   HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
   HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
   HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
   HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
   HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
   // Round 4 */
   II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
   II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
   II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
   II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
   II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
   II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
   II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
   II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
   II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
   II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
   II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
   II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
   II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
   II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
   II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
   II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
   // Add the original values
   a =aa;
   b =bb;
   c =cc;
   d =dd;
  }

 } while(count==BUFFER_SIZE);
 return val;
}


unsigned int conv(unsigned int a)
{
 unsigned int b=0;
 b|=(a<<24)&0xff000000;
 b|=(a<<8)&0x00ff0000;
 b|=(a>>8)&0x0000ff00;
 b|=(a>>24)&0x000000ff;
 return b;
}
/************************************************************
MD5校验和计算小程序（C）
  Author: rssn
  Email : rssn@163.com
  QQ    : 126027268
  Blog  : http://blog.csdn.net/rssn_net/
 ************************************************************/
#include "StdAfx.h"
#include "MD5.h"
//DEFINES for MD5

#define UINT4 unsigned int


/* F, G, H and I are basic MD5 functions. */
#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)))

/* ROTATE_LEFT rotates x left n bits. */
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))

/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
Rotation is separate from addition to prevent recomputation. */
#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); \
  }

// Constants for MD5 Transform routine.
#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 21

//===============

#include <stdio.h>
#include <string.h>
//#include "Md5.h"

//MD5摘要
MD5VAL md5(char * str, unsigned int size)
{
 if(size==0)
  size=strlen(str);
 unsigned int m=size%64;
 unsigned int lm=size-m;  //数据整块长度
 unsigned int ln;  //数据补位后长度
 if(m<56)
  ln=lm 64;
 else
  ln=lm 128;
 char * strw=new char[ln];
 unsigned int i;
 //复制原字串到缓冲区strw
 for(i=0;i<size;i )
  strw[i]=str[i];
 //补位
 strw[i ]=0x80;
 for(i;i<ln-8;i )
  strw[i]=0x00;
 //补长度
 unsigned int * x=(unsigned int *)(strw i);
 *(x )=size<<3;
 *(x )=size>>29;
 //初始化MD5参数
 MD5VAL val={0x67452301,0xefcdab89,0x98badcfe,0x10325476};
 unsigned int &a=val.a, &b=val.b, &c=val.c, &d=val.d;
 unsigned int aa,bb,cc,dd;
 for(i=0;i<ln;i =64)
 {
  x=(unsigned int *)(strw i);
  // Save the values
  aa=a; bb=b; cc=c; dd=d;
  // Round 1
  FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
  FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
  FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
  FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
  FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
  FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
  FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
  FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
  FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
  FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
  FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
  FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
  FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
  FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
  FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
  FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
  // Round 2
  GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
  GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
  GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
  GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
  GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
  GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
  GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
  GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
  GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
  GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
  GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
  GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
  GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
  GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
  GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
  GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
  // Round 3
  HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
  HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
  HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
  HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
  HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
  HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
  HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
  HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
  HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
  HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
  HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
  HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
  HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
  HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
  HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
  HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
  // Round 4 */
  II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
  II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
  II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
  II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
  II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
  II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
  II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
  II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
  II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
  II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
  II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
  II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
  II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
  II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
  II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
  II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
  // Add the original values
  a =aa;
  b =bb;
  c =cc;
  d =dd;
 }
 delete[] strw;
 return val;
}

#define BUFFER_SIZE 4096   //必须是64的倍数
static char * Buffer=NULL;
//MD5文件摘要
MD5VAL md5File(FILE * fpin)
{
 if(!Buffer)
  Buffer=new char[BUFFER_SIZE 64];
 char * buf=Buffer;
 MD5VAL val={0x67452301,0xefcdab89,0x98badcfe,0x10325476};
 unsigned int &a=val.a, &b=val.b, &c=val.c, &d=val.d;
 unsigned int aa,bb,cc,dd;
 unsigned int i,j,count,co;
 unsigned int * x;
 i=0;
 do
 {
  count=fread(buf,1,BUFFER_SIZE,fpin);
  i =count;
  if(count==BUFFER_SIZE)
   co=BUFFER_SIZE;
  else
  {
   j=count;
   buf[j ]=0x80;
   for(j;j%64!=56;j )
    buf[j]=0x00;
   *(unsigned int *)(buf j)=i<<3; j =4;
   *(unsigned int *)(buf j)=i>>29; j =4;
   co=j;
  }
  for(j=0;j<co;j =64)
  {
   x=(unsigned int *)(buf j);
   // Save the values
   aa=a; bb=b; cc=c; dd=d;
   // Round 1
   FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
   FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
   FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
   FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
   FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
   FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
   FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
   FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
   FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
   FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
   FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
   FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
   FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
   FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
   FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
   FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
   // Round 2
   GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
   GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
   GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
   GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
   GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
   GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
   GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
   GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
   GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
   GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
   GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
   GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
   GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
   GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
   GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
   GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
   // Round 3
   HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
   HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
   HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
   HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
   HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
   HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
   HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
   HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
   HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
   HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
   HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
   HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
   HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
   HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
   HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
   HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
   // Round 4 */
   II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
   II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
   II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
   II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
   II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
   II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
   II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
   II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
   II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
   II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
   II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
   II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
   II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
   II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
   II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
   II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
   // Add the original values
   a =aa;
   b =bb;
   c =cc;
   d =dd;
  }

 } while(count==BUFFER_SIZE);
 return val;
}


unsigned int conv(unsigned int a)
{
 unsigned int b=0;
 b|=(a<<24)&0xff000000;
 b|=(a<<8)&0x00ff0000;
 b|=(a>>8)&0x0000ff00;
 b|=(a>>24)&0x000000ff;
 return b;
}

标签： 算法 加密 c++ c MD5

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第 1 楼 paulzrm 发表于: 2018-10-01 15:08 02
对不起，不能用

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第 2 楼 paulzrm 发表于: 2018-10-01 15:08 12
对不起，不能用

paulzrm 2018-10-01 15:08 02

整的不能用

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第 3 楼 paulzrm 发表于: 2018-10-01 15:08 33
真的!!

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