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Huanyu #111

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Create MD5.h
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huanyuorigin authored Aug 29, 2024
commit e05b896c86bc0af208f589e2165b22be03041d4f
54 changes: 54 additions & 0 deletions code/MD5/MD5.h
Original file line number Diff line number Diff line change
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#ifndef __MD5__H__
#define __MD5__H__

#include <iostream>
#include <vector>
#include <cstdlib>
#include <string>

#define A 0x67452301
#define B 0xefcdab89
#define C 0x98badcfe
#define D 0x10325476

const char str16[] = "0123456789abcdef";

const unsigned int T[] = {
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 };

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};
class MD5 {
private:
unsigned int tempA, tempB, tempC, tempD, strlength;
public:
MD5();
unsigned int F(unsigned int b, unsigned int c, unsigned int d);
unsigned int G(unsigned int b, unsigned int c, unsigned int d);
unsigned int H(unsigned int b, unsigned int c, unsigned int d);
unsigned int I(unsigned int b, unsigned int c, unsigned int d);
unsigned int shift(unsigned int a, unsigned int n);
std::string encode(std::string src);
void iterateFunc(unsigned int* X, int size);
std::vector<unsigned int> padding(std::string src);
std::string format(unsigned int num);
};

#endif