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MD5.h
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//
// MD5.h
// 腾飞科创Model
//
// Created by leavesyoung on 2018/5/2.
// Copyright © 2018年 leavesyoung. All rights reserved.
//
#ifndef MD5_h
#define MD5_h
#include<string>
std::string getMD5(std::string source);
//
//#define shift(x, n) (((x) << (n)) | ((x) >> (32-(n))))//右移的时候，高位一定要补零，而不是补充符号位
//#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 A 0x67452301
//#define B 0xefcdab89
//#define C 0x98badcfe
//#define D 0x10325476
//strBaye的长度
//unsigned int strlength;
//A,B,C,D的临时变量
//unsigned int atemp;
//unsigned int btemp;
//unsigned int ctemp;
//unsigned int dtemp;
//常量ti unsigned int(abs(sin(i+1))*(2pow32))
//const unsigned int k[]={
// 0xd76aa478,0xe8c7b756,0x242070db,0xc1bdceee,
// 0xf57c0faf,0x4787c62a,0xa8304613,0xfd469501,0x698098d8,
// 0x8b44f7af,0xffff5bb1,0x895cd7be,0x6b901122,0xfd987193,
// 0xa679438e,0x49b40821,0xf61e2562,0xc040b340,0x265e5a51,
// 0xe9b6c7aa,0xd62f105d,0x02441453,0xd8a1e681,0xe7d3fbc8,
// 0x21e1cde6,0xc33707d6,0xf4d50d87,0x455a14ed,0xa9e3e905,
// 0xfcefa3f8,0x676f02d9,0x8d2a4c8a,0xfffa3942,0x8771f681,
// 0x6d9d6122,0xfde5380c,0xa4beea44,0x4bdecfa9,0xf6bb4b60,
// 0xbebfbc70,0x289b7ec6,0xeaa127fa,0xd4ef3085,0x04881d05,
// 0xd9d4d039,0xe6db99e5,0x1fa27cf8,0xc4ac5665,0xf4292244,
// 0x432aff97,0xab9423a7,0xfc93a039,0x655b59c3,0x8f0ccc92,
// 0xffeff47d,0x85845dd1,0x6fa87e4f,0xfe2ce6e0,0xa3014314,
// 0x4e0811a1,0xf7537e82,0xbd3af235,0x2ad7d2bb,0xeb86d391};
//向左位移数
//const unsigned int s[]={7,12,17,22,7,12,17,22,7,12,17,22,7,
// 12,17,22,5,9,14,20,5,9,14,20,5,9,14,20,5,9,14,20,
// 4,11,16,23,4,11,16,23,4,11,16,23,4,11,16,23,6,10,
// 15,21,6,10,15,21,6,10,15,21,6,10,15,21};
//const char str16[]="0123456789abcdef";
//void mainLoop(unsigned int M[])
//{
// unsigned int f,g;
// unsigned int a=atemp;
// unsigned int b=btemp;
// unsigned int c=ctemp;
// unsigned int d=dtemp;
// for (unsigned int i = 0; i < 64; i++)
// {
// if(i<16){
// f=F(b,c,d);
// g=i;
// }else if (i<32)
// {
// f=G(b,c,d);
// g=(5*i+1)%16;
// }else if(i<48){
// f=H(b,c,d);
// g=(3*i+5)%16;
// }else{
// f=I(b,c,d);
// g=(7*i)%16;
// }
// unsigned int tmp=d;
// d=c;
// c=b;
// b=b+shift((a+f+k[i]+M[g]),s[i]);
// a=tmp;
// }
// atemp=a+atemp;
// btemp=b+btemp;
// ctemp=c+ctemp;
// dtemp=d+dtemp;
//}
///*
// *填充函数
// *处理后应满足bits≡448(mod512),字节就是bytes≡56（mode64)
// *填充方式为先加一个1,其它位补零
// *最后加上64位的原来长度
// */
//unsigned int* add(string str)
//{
// unsigned int num=((str.length()+8)/64)+1;//以512位,64个字节为一组
// unsigned int *strByte=new unsigned int[num*16]; //64/4=16,所以有16个整数
// strlength=num*16;
// for (unsigned int i = 0; i < num*16; i++)
// strByte[i]=0;
// for (unsigned int i=0; i <str.length(); i++)
// {
// strByte[i>>2]|=(str[i])<<((i%4)*8);//一个整数存储四个字节，i>>2表示i/4 一个unsigned int对应4个字节，保存4个字符信息
// }
// strByte[str.length()>>2]|=0x80<<(((str.length()%4))*8);//尾部添加1 一个unsigned int保存4个字符信息,所以用128左移
// /*
// *添加原长度，长度指位的长度，所以要乘8，然后是小端序，所以放在倒数第二个,这里长度只用了32位
// */
// strByte[num*16-2]=str.length()*8;
// return strByte;
//}
//string changeHex(int a)
//{
// int b;
// string str1;
// string str="";
// for(int i=0;i<4;i++)
// {
// str1="";
// b=((a>>i*8)%(1<<8))&0xff; //逆序处理每个字节
// for (int j = 0; j < 2; j++)
// {
// str1.insert(0,1,str16[b%16]);
// b=b/16;
// }
// str+=str1;
// }
// return str;
//}*/
#endif /* MD5_h */