dist/string-encrypt.js

File

			//= require 'vendor/node_modules/@absolunet/kafe/dist/string'
			
			(function(global, undefined) { var kafe = global.kafe, $ = kafe.dependencies.jQuery; kafe.bonify({name:'string.encrypt', version:'1.0.0', obj:(function(){
			
				/**
				* ### Version 1.0.0
				* String encryption tools.
				*
				* @module kafe
				* @class kafe.string.encrypt
				* @extensionfor kafe.string
				*/
				var encrypt = {};
			
				/**
				* Encrypts a given string to md5.
				*
				* @method md5
				* @param {String} string
				* @return {String} The encrypted value.
				* @example
				*	kafe.string.encrypt.md5('kafe is awesome.');
				*	// returns "1fc5f96ff478b0c37baaf27506063603"
				*/
				encrypt.md5 = function (string) {
			
					// http://www.webtoolkit.info/
					function RotateLeft(lValue, iShiftBits) {
						return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
					}
			
					function AddUnsigned(lX,lY) {
						var lX4,lY4,lX8,lY8,lResult;
						lX8 = (lX & 0x80000000);
						lY8 = (lY & 0x80000000);
						lX4 = (lX & 0x40000000);
						lY4 = (lY & 0x40000000);
						lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
						if (lX4 & lY4) {
							return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
						}
						if (lX4 | lY4) {
							if (lResult & 0x40000000) {
								return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
							} else {
								return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
							}
						} else {
							return (lResult ^ lX8 ^ lY8);
						}
					}
			
					function F(x,y,z) { return (x & y) | ((~x) & z); }
					function G(x,y,z) { return (x & z) | (y & (~z)); }
					function H(x,y,z) { return (x ^ y ^ z); }
					function I(x,y,z) { return (y ^ (x | (~z))); }
			
					function FF(a,b,c,d,x,s,ac) {
						a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
						return AddUnsigned(RotateLeft(a, s), b);
					}
			
					function GG(a,b,c,d,x,s,ac) {
						a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
						return AddUnsigned(RotateLeft(a, s), b);
					}
			
					function HH(a,b,c,d,x,s,ac) {
						a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
						return AddUnsigned(RotateLeft(a, s), b);
					}
			
					function II(a,b,c,d,x,s,ac) {
						a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
						return AddUnsigned(RotateLeft(a, s), b);
					}
			
					function ConvertToWordArray(string) {
						var lWordCount;
						var lMessageLength = string.length;
						var lNumberOfWords_temp1=lMessageLength + 8;
						var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
						var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
						var lWordArray=Array(lNumberOfWords-1);
						var lBytePosition = 0;
						var lByteCount = 0;
						while ( lByteCount < lMessageLength ) {
							lWordCount = (lByteCount-(lByteCount % 4))/4;
							lBytePosition = (lByteCount % 4)*8;
							lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));
							lByteCount++;
						}
						lWordCount = (lByteCount-(lByteCount % 4))/4;
						lBytePosition = (lByteCount % 4)*8;
						lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
						lWordArray[lNumberOfWords-2] = lMessageLength<<3;
						lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
						return lWordArray;
					}
			
					function WordToHex(lValue) {
						var WordToHexValue="",WordToHexValue_temp='',lByte,lCount;
						for (lCount = 0;lCount<=3;lCount++) {
							lByte = (lValue>>>(lCount*8)) & 255;
							WordToHexValue_temp = '0' + lByte.toString(16);
							WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
						}
						return WordToHexValue;
					}
			
					function Utf8Encode(string) {
						string = string.replace(/\r\n/g,'\n');
						var utftext = '';
			
						for (var n = 0; n < string.length; n++) {
			
							var c = string.charCodeAt(n);
			
							if (c < 128) {
								utftext += String.fromCharCode(c);
							}
							else if((c > 127) && (c < 2048)) {
								utftext += String.fromCharCode((c >> 6) | 192);
								utftext += String.fromCharCode((c & 63) | 128);
							}
							else {
								utftext += String.fromCharCode((c >> 12) | 224);
								utftext += String.fromCharCode(((c >> 6) & 63) | 128);
								utftext += String.fromCharCode((c & 63) | 128);
							}
			
						}
			
						return utftext;
					}
			
					var x=Array();
					var k,AA,BB,CC,DD,a,b,c,d;
					var S11=7, S12=12, S13=17, S14=22;
					var S21=5, S22=9 , S23=14, S24=20;
					var S31=4, S32=11, S33=16, S34=23;
					var S41=6, S42=10, S43=15, S44=21;
			
					string = Utf8Encode(string);
			
					x = ConvertToWordArray(string);
			
					a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
			
					for (k=0;k<x.length;k+=16) {
						AA=a; BB=b; CC=c; DD=d;
						a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
						d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
						c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
						b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
						a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
						d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
						c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
						b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
						a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
						d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
						c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
						b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
						a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
						d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
						c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
						b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
						a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
						d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
						c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
						b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
						a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
						d=GG(d,a,b,c,x[k+10],S22,0x2441453);
						c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
						b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
						a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
						d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
						c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
						b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
						a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
						d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
						c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
						b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
						a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
						d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
						c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
						b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
						a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
						d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
						c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
						b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
						a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
						d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
						c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
						b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
						a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
						d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
						c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
						b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
						a=II(a,b,c,d,x[k+0], S41,0xF4292244);
						d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
						c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
						b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
						a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
						d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
						c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
						b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
						a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
						d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
						c=II(c,d,a,b,x[k+6], S43,0xA3014314);
						b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
						a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
						d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
						c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
						b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
						a=AddUnsigned(a,AA);
						b=AddUnsigned(b,BB);
						c=AddUnsigned(c,CC);
						d=AddUnsigned(d,DD);
					}
			
					var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);
			
					return temp.toLowerCase();
				};
			
			
				return encrypt;
			
			})()}); })(typeof window !== 'undefined' ? window : this);