#ifndef MD5_H#define MD5_H#include <QtGlobal>#ifndef PROTOTYPES#define PROTOTYPES 0#endif/* POINTER defines a generic pointer type */typedef unsigned char *POINTER;/* PROTO_LIST is defined depending on how PROTOTYPES is defined above.If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it returns an empty list.*/#if PROTOTYPES#define PROTO_LIST(list) list#else#define PROTO_LIST(list) ()#endifclass QString;class MD5{public: MD5(); ~MD5(); MD5 & update(const QString &); MD5 & update(uchar *input, uint len); const QString final(void);private: bool isFinalized; uchar digest[16]; struct MD5_CTX{ quint32 state[4]; /* state (ABCD) */ quint32 count[2]; /* number of bits, modulo 2^64 (lsb first) */ unsigned char buffer[64]; /* input buffer */ } context; void transform(quint32 state[4], uchar block[64]); void encode(uchar *output, quint32 *input, uint len); void decode(quint32 *output, uchar *input, uint len); void memcpy(POINTER output, POINTER input, uint len); void memset(POINTER output, int value, uint len);};#endif // MD5_H
#include "Md5.h"#include <QString>#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/* 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) + (quint32)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }#define GG(a, b, c, d, x, s, ac) { \ (a) += G ((b), (c), (d)) + (x) + (quint32)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }#define HH(a, b, c, d, x, s, ac) { \ (a) += H ((b), (c), (d)) + (x) + (quint32)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }#define II(a, b, c, d, x, s, ac) { \ (a) += I ((b), (c), (d)) + (x) + (quint32)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }MD5::MD5() : isFinalized(false){ context.count[0] = context.count[1] = 0; context.state[0] = 0x67452301; context.state[1] = 0xefcdab89; context.state[2] = 0x98badcfe; context.state[3] = 0x10325476;}MD5::~MD5(){}MD5 & MD5::update(const QString & str){ uchar *input = (uchar*)str.toAscii().data(); uint inputLen = str.size(); uint i, index, partLen; /* Compute number of bytes mod 64 */ index = (unsigned int)((context.count[0] >> 3) & 0x3F); /* Update number of bits */ if((context.count[0] += ((quint32)inputLen << 3)) < ((quint32)inputLen << 3)) context.count[1]++; context.count[1] += ((quint32)inputLen >> 29); partLen = 64 - index; /* Transform as many times as possible.*/ if(inputLen >= partLen){ memcpy((POINTER)&context.buffer[index], (POINTER)input, partLen); transform(context.state, context.buffer); for(i = partLen; i + 63 < inputLen; i += 64) transform(context.state, &input[i]); index = 0; }else i = 0; memcpy((POINTER)&context.buffer[index], (POINTER)&input[i], inputLen-i); return(*this);}MD5 & MD5::update(uchar *input, uint inputLen){ uint i, index, partLen; /* Compute number of bytes mod 64 */ index = (unsigned int)((context.count[0] >> 3) & 0x3F); /* Update number of bits */ if((context.count[0] += ((quint32)inputLen << 3)) < ((quint32)inputLen << 3)) context.count[1]++; context.count[1] += ((quint32)inputLen >> 29); partLen = 64 - index; /* Transform as many times as possible.*/ if(inputLen >= partLen){ memcpy((POINTER)&context.buffer[index], (POINTER)input, partLen); transform(context.state, context.buffer); for(i = partLen; i + 63 < inputLen; i += 64) transform(context.state, &input[i]); index = 0; }else i = 0; memcpy((POINTER)&context.buffer[index], (POINTER)&input[i], inputLen-i); return(*this);}const QString MD5::final(void){ if(!isFinalized){ uchar bits[8]; uint index, padLen; /* Save number of bits */ encode(bits, context.count, 8); /* Pad out to 56 mod 64.*/ index = (uint)((context.count[0] >> 3) & 0x3f); padLen = (index < 56) ? (56 - index) : (120 - index); uchar 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 }; update(PADDING, padLen); /* Append length (before padding) */ update(bits, 8); /* Store state in digest */ encode(digest, context.state, 16); memset((POINTER) &context, 0, sizeof(context)); isFinalized = true; } QString ret; for(uint i = 0; i < 16; i++){ ret.append(QString("%1").arg(QString::number(digest[i], 16), 2, '0')); } return(ret);}void MD5::transform(quint32 state[4], uchar block[64]){ quint32 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; decode(x, block, 64); /* 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 */ state[0] += a; state[1] += b; state[2] += c; state[3] += d; memset((POINTER)x, 0, sizeof(x));}void MD5::encode(uchar *output, quint32 *input, uint len){ uint i, j; for(i = 0, j = 0; j < len; i++, j += 4){ output[j] = (uchar)(input[i] & 0xff); output[j+1] = (uchar)((input[i] >> 8) & 0xff); output[j+2] = (uchar)((input[i] >> 16) & 0xff); output[j+3] = (uchar)((input[i] >> 24) & 0xff); }}void MD5::decode(quint32 *output, uchar *input, uint len){ unsigned int i, j; for(i = 0, j = 0; j < len; i++, j += 4) output[i] = ((quint32)input[j]) | (((quint32)input[j+1]) << 8) | (((quint32)input[j+2]) << 16) | (((quint32)input[j+3]) << 24);}void MD5::memcpy( POINTER output, POINTER input, uint len ){ uint i; for (i = 0; i < len; i++) output[i] = input[i];}void MD5::memset(POINTER output, int value, uint len){ unsigned int i; for (i = 0; i < len; i++) ((char *)output)[i] = (char)value;}
MD5 hash;hash.update("усiляка хрiнотiнь").update("ще раз").update("та ще трошечки");QString ret = hash.final();
QString checkMdsum (QString file){ MD5 hash; filech = new QFile(file); if (!filech->open(QIODevice::ReadOnly | QIODevice::Text)) return 0; while (!filech->atEnd()) { QByteArray line = filech->readLine(); hash.update(line); } QString res = hash.final(); return res;}
QStting file = "filename";std::ifstream f(file.toAscii(), std::ios::binary);md5 m(f);QString sum = m.digest().hex_str_value();