var DES = { IP_Table: [58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, 62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7], IPR_Table: [40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31, 38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29, 36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27, 34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25], PC1_Table: [57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36, 63, 55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4], PC2_Table: [14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10, 23, 19, 12, 4, 26, 8, 16, 7, 27, 20, 13, 2, 41, 52, 31, 37, 47, 55, 30, 40, 51, 45, 33, 48, 44, 49, 39, 56, 34, 53, 46, 42, 50, 36, 29, 32], LOOP_Table: [1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1], E_Table: [32, 1, 2, 3, 4, 5, 4, 5, 6, 7, 8, 9, 8, 9, 10, 11, 12, 13, 12, 13, 14, 15, 16, 17, 16, 17, 18, 19, 20, 21, 20, 21, 22, 23, 24, 25, 24, 25, 26, 27, 28, 29, 28, 29, 30, 31, 32, 1], P_Table: [16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10, 2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25], S_Box: [[[14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7], [0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8], [4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0], [15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13]], [[15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10], [3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5], [0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15], [13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9]], [[10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8], [13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1], [13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7], [1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12]], [[7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15], [13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9], [10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4], [3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14]], [[2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9], [14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6], [4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14], [11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3]], [[12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11], [10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8], [9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6], [4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13]], [[4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1], [13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6], [1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2], [6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12]], [[13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7], [1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2], [7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8], [2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11]]], Oct2Bin: ["0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111"], subKeys: new Array(16), key: "", text: ""};DES.init = function(key, text) { if (key != this.key) { this.key = key; this.GenSubKey() }; this.text = text + " ".substring(0, parseInt("07654321".charAt(text.length % 8), 10))};DES.GenSubKey = function() { var arr = this.Permute(this.Byte2Bit(this.key), this.PC1_Table); var AL = arr.slice(0, 28); var AR = arr.slice(28, 56); for (var i = 0; i < 16; i++) { for (var j = 0, k = this.LOOP_Table[i]; j < k; j++) { AL.push(AL.shift()); AR.push(AR.shift()) }; this.subKeys[i] = this.Permute(AL.concat(AR), this.PC2_Table) }};DES.Bit2Byte = function(ar, fCh) { var str = ""; if (fCh == "byte") { var tmpAr = ar.join("").match(/.{8}/g); for (var i = 0, j = tmpAr.length; i < j; i++) str += String.fromCharCode(parseInt(tmpAr[i], 2)) } else if (fCh == "hex") { var tmpAr = ar.join("").match(/.{4}/g); for (var i = 0, j = tmpAr.length; i < j; i++) str += "0123456789abcdef".charAt(parseInt(tmpAr[i], 2)) } else return "Error:Second param is wrong."; return str};DES.Byte2Bit = function(str) { for (var i = 0, j = 8 * str.length, ar = [], ch = ""; i < j; i++) { var k = 7 - i % 8; if (k == 7) ch = str.charCodeAt(parseInt(i / 8, 10)); ar.push((ch >> k) & 1) }; return ar};DES.Hex2Bin = function(str) { for (var i = 0, j = str.length, s = ""; i < j; i++) s += this.Oct2Bin[parseInt(str.charAt(i), 16)]; return s.split("")};DES.Xor = function(A, B) { for (var i = 0, j = B.length, rtn = new Array(j); i < j; i++) rtn[i] = A[i] ^ B[i]; return rtn};DES.Permute = function(ar, tb) { for (var i = 0, j = tb.length, rtn = new Array(j); i < j; i++) rtn[i] = ar[tb[i] - 1]; return rtn};DES.F_func = function(Ri, Ki) { return this.Permute(this.S_func(this.Xor(this.Permute(Ri, this.E_Table), Ki)), this.P_Table)};DES.S_func = function(ar) { for (var i = 0, arRtn = []; i < 8; i++) { var x = i * 6; var j = parseInt("" + ar[x] + ar[x + 5], 2); var k = parseInt(ar.slice(x + 1, x + 5).join(""), 2); arRtn = arRtn.concat(this.Oct2Bin[this.S_Box[i][j][k]].split("")) }; return arRtn};DES.Encrypt = function() { var plainTextAr = this.Byte2Bit(this.text).join("").match(/.{64}/g); for (var i = 0, j = plainTextAr.length; i < j; i++) { var arr = this.Permute(plainTextAr[i].split(""), this.IP_Table); var AL = arr.slice(0, 32); var AR = arr.slice(32, 64); for (var k = 0; k < 16; k++) { var tmp = AR.slice(0, 32); AR = this.Xor(this.F_func(AR, this.subKeys[k]), AL); AL = tmp }; plainTextAr[i] = this.Bit2Byte(this.Permute(AR.concat(AL), this.IPR_Table), ("hex")) }; return plainTextAr.join("")};function jiami(str) { if (document.getElementById("passwordkey") == null || "" == document.getElementById("passwordkey").value) { return str } else { DES.init(document.getElementById("passwordkey").value, str); return DES.Encrypt() }};var trim = function(value) { var res = String(value).replace(/^[\s]+|[\s]+$/g, ''); return res}
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