MQL4 或 MQL5上MD5加密类源码，MT4上MD5加密源码
MD5是一种非对称性密码散列函数加密算法，具有压缩性强、容易计算、抗修改性、抗碰撞性等特点。
MQL4 或 MQL5上MD5加密类源码，MT4上MD5加密源码， 带脚本测试
点击下载程序与源码 文件大小：4.46 KB必须读我.txt 策汇在线.url MQL4/ MQL4/Scripts/ MQL4/Scripts/MD5_Demo.mq4MQL4/Scripts/MD5_Demo.mq4代码片段：
//+------------------------------------------------------------------+ //| MD5_Demo.mq4 | //| Copyright 2019, MetaQuotes Software Corp. | //| https://www.mql5.com | //+------------------------------------------------------------------+ #property copyright "MD5类源码 策汇在线 http://www.fxchs.com" #property link "https://www.fxchs.com" #property version "1.00" #property strict //////////////////////////////////////////////////////////////////////////////////////////////////////////// // // // // 介绍： MD5是一种非对称性密码散列函数加密算法，具有压缩性强、容易计算、抗修改性、抗碰撞性等特点。 // // 原理： MD5类源码，带脚本测试 // // 来自： 策汇在线: http://www.fxchs.com // // // /////////////////////////////////////////////////////////////////////////////////////////////////////////// //+------------------------------------------------------------------+ //| Script program start function | //+------------------------------------------------------------------+ void OnStart() { CMD5 md5; Alert(md5.Encrypt("")); Alert(md5.Encrypt("111111")); Alert(md5.Encrypt("1234567890")); Alert(md5.Encrypt("abcdefghijklmnopqrstuvwxyz!@#$%^&*()！@#￥%……&&*（）——+！")); Alert(md5.Encrypt("策汇在线中文压缩测试。。。www.fxchs.com")); } //+------------------------------------------------------------------+ // MD5加密类 class CMD5 { public: CMD5(void) { } ~CMD5(void) { } // 加密 string Encrypt(string str) { int len = StringLen(str); int index = len % 64; int count = (len - index) / 64; int a = 0x67452301, b = 0xEFCDAB89, c = 0x98BADCFE, d = 0x10325476; int buff[16], last[16], i, k, last_char[4], last_index, offset; string item; for (i = 0; i < count; i++) { item = StringSubstr(str, i * 64, 64); StringToIntegerArray(buff, item); MD5Transform(a, b , c, d, buff); } ArrayInitialize(last, 0); ArrayInitialize(last_char, 0); last_index = 0; if (index > 0) { int last_num = index % 4; count = index - last_num; if (count > 0) { item = StringSubstr(str, i * 64, count); last_index = StringToIntegerArray(last, item); } for (k = 0; k < last_num; k++) { last_char[k] = StringGetChar(str, i * 64 + count + k); } } last_char[k] = 0x80; last[last_index] = CharToInteger(last_char); if (index >= 56) { MD5Transform(a, b , c, d, last); ArrayInitialize(last, 0); } last[14] = len << 3; last[15] = ((len >> 1) & 0x7fffffff) >> 28; MD5Transform(a, b , c, d, last); return (StringConcatenate(IntegerToString(a) , IntegerToString(b) , IntegerToString(c) , IntegerToString(d))); } int F(int x, int y, int z) { return ((x & y) | ((~x) & z)); } int G(int x, int y, int z) { return ((x & z) | (y & (~z))); } int H(int x, int y, int z) { return ((x ^ y ^ z)); } int I(int x, int y, int z) { return ((y ^ (x | (~z)))); } int AddUnsigned(int a, int b) { int c = a + b; return (c); } int FF(int a, int b, int c, int d, int x, int s, int ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac)); return (AddUnsigned(RotateLeft(a, s), b)); } int GG(int a, int b, int c, int d, int x, int s, int ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac)); return (AddUnsigned(RotateLeft(a, s), b)); } int HH(int a, int b, int c, int d, int x, int s, int ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac)); return (AddUnsigned(RotateLeft(a, s), b)); } int II(int a, int b, int c, int d, int x, int s, int ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac)); return (AddUnsigned(RotateLeft(a, s), b)); } int RotateLeft(int lValue, int iShiftBits) { if (iShiftBits == 32) return (lValue); int result = (lValue << iShiftBits) | (((lValue >> 1) & 0x7fffffff) >> (31 - iShiftBits)); return (result); } /* * assume: len % 4 == 0; */ int StringToIntegerArray(int &output[], string str) { int len; int i, j; len = StringLen(str); if (len % 4 !=0) len = len - len % 4; int size = ArraySize(output); if (size < len/4) { ArrayResize(output, len/4); } for (i = 0, j = 0; j < len; i++, j += 4) { output[i] = (StringGetChar(str, j)) | ((StringGetChar(str, j+1)) << 8) | ((StringGetChar(str, j+2)) << 16) | ((StringGetChar(str, j+3)) << 24); } return(len/4); } string IntegerToString(int integer_number) { string hex_string="", hex_item; int output[4]; output[0] = integer_number & 0xff; for (int k = 1; k < 4; k++) { output[k] = (((integer_number >> 1) & 0x7fffffff) >> (k*8 -1)) & 0xff; } for (int i = 0; i < 4; i++) { hex_item = Dec2Hex(output[i]); hex_string = StringConcatenate(hex_string, hex_item); } return(hex_string); } /** *assume num is little than 256 */ string Dec2Hex(int num) { int modnum; string hex; for (int i =0; i < 2; i++) { modnum = num % 16; num = (num - modnum) / 16; hex = StringConcatenate(IntToHexString(modnum), hex); } return (hex); } string IntToHexString(int a) { string hex = "0"; int ascii; if (a < 10) { ascii = '0' + a; } else { ascii = 'a' + a - 10; } return (StringSetChar(hex, 0, ascii)); } int CharToInteger(const int &a[]) { return ((a[0]) | (a[1] << 8) | (a[2] << 16) | (a[3] << 24)); } /* * assume: ArraySize(x) == 16 */ void MD5Transform(int &a, int &b, int &c, int &d, const int &x[]) { int AA, BB, CC, DD; int S11=7, S12=12, S13=17, S14=22; int S21=5, S22=9 , S23=14, S24=20; int S31=4, S32=11, S33=16, S34=23; int S41=6, S42=10, S43=15, S44=21; AA=a; BB=b; CC=c; DD=d; a=FF(a,b,c,d,x[0], S11,0xD76AA478); d=FF(d,a,b,c,x[1], S12,0xE8C7B756); c=FF(c,d,a,b,x[2], S13,0x242070DB); b=FF(b,c,d,a,x[3], S14,0xC1BDCEEE); a=FF(a,b,c,d,x[4], S11,0xF57C0FAF); d=FF(d,a,b,c,x[5], S12,0x4787C62A); c=FF(c,d,a,b,x[6], S13,0xA8304613); b=FF(b,c,d,a,x[7], S14,0xFD469501); a=FF(a,b,c,d,x[8], S11,0x698098D8); d=FF(d,a,b,c,x[9], S12,0x8B44F7AF); c=FF(c,d,a,b,x[10],S13,0xFFFF5BB1); b=FF(b,c,d,a,x[11],S14,0x895CD7BE); a=FF(a,b,c,d,x[12],S11,0x6B901122); d=FF(d,a,b,c,x[13],S12,0xFD987193); c=FF(c,d,a,b,x[14],S13,0xA679438E); b=FF(b,c,d,a,x[15],S14,0x49B40821); a=GG(a,b,c,d,x[1], S21,0xF61E2562); d=GG(d,a,b,c,x[6], S22,0xC040B340); c=GG(c,d,a,b,x[11],S23,0x265E5A51); b=GG(b,c,d,a,x[0], S24,0xE9B6C7AA); a=GG(a,b,c,d,x[5], S21,0xD62F105D); d=GG(d,a,b,c,x[10],S22,0x2441453); c=GG(c,d,a,b,x[15],S23,0xD8A1E681); b=GG(b,c,d,a,x[4], S24,0xE7D3FBC8); a=GG(a,b,c,d,x[9], S21,0x21E1CDE6); d=GG(d,a,b,c,x[14],S22,0xC33707D6); c=GG(c,d,a,b,x[3], S23,0xF4D50D87); b=GG(b,c,d,a,x[8], S24,0x455A14ED); a=GG(a,b,c,d,x[13],S21,0xA9E3E905); d=GG(d,a,b,c,x[2], S22,0xFCEFA3F8); c=GG(c,d,a,b,x[7], S23,0x676F02D9); b=GG(b,c,d,a,x[12],S24,0x8D2A4C8A); a=HH(a,b,c,d,x[5], S31,0xFFFA3942); d=HH(d,a,b,c,x[8], S32,0x8771F681); c=HH(c,d,a,b,x[11],S33,0x6D9D6122); b=HH(b,c,d,a,x[14],S34,0xFDE5380C); a=HH(a,b,c,d,x[1], S31,0xA4BEEA44); d=HH(d,a,b,c,x[4], S32,0x4BDECFA9); c=HH(c,d,a,b,x[7], S33,0xF6BB4B60); b=HH(b,c,d,a,x[10],S34,0xBEBFBC70); a=HH(a,b,c,d,x[13],S31,0x289B7EC6); d=HH(d,a,b,c,x[0], S32,0xEAA127FA); c=HH(c,d,a,b,x[3], S33,0xD4EF3085); b=HH(b,c,d,a,x[6], S34,0x4881D05); a=HH(a,b,c,d,x[9], S31,0xD9D4D039); d=HH(d,a,b,c,x[12],S32,0xE6DB99E5); c=HH(c,d,a,b,x[15],S33,0x1FA27CF8); b=HH(b,c,d,a,x[2], S34,0xC4AC5665); a=II(a,b,c,d,x[0], S41,0xF4292244); d=II(d,a,b,c,x[7], S42,0x432AFF97); c=II(c,d,a,b,x[14],S43,0xAB9423A7); b=II(b,c,d,a,x[5], S44,0xFC93A039); a=II(a,b,c,d,x[12],S41,0x655B59C3); d=II(d,a,b,c,x[3], S42,0x8F0CCC92); c=II(c,d,a,b,x[10],S43,0xFFEFF47D); b=II(b,c,d,a,x[1], S44,0x85845DD1); a=II(a,b,c,d,x[8], S41,0x6FA87E4F); d=II(d,a,b,c,x[15],S42,0xFE2CE6E0); c=II(c,d,a,b,x[6], S43,0xA3014314); b=II(b,c,d,a,x[13],S44,0x4E0811A1); a=II(a,b,c,d,x[4], S41,0xF7537E82); d=II(d,a,b,c,x[11],S42,0xBD3AF235); c=II(c,d,a,b,x[2], S43,0x2AD7D2BB); b=II(b,c,d,a,x[9], S44,0xEB86D391); a=AddUnsigned(a, AA); b=AddUnsigned(b, BB); c=AddUnsigned(c, CC); d=AddUnsigned(d, DD); } };