1 | |
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2 | // Constructor |
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3 | function coder(){ |
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4 | |
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5 | } |
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6 | |
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7 | coder.prototype.url_encode = function (str){ |
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8 | var hex_chars = "0123456789ABCDEF"; |
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9 | var noEncode = /^([a-zA-Z0-9\_\-\.])$/; |
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10 | var n, strCode, hex1, hex2, strEncode = ""; |
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11 | |
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12 | for(n = 0; n < str.length; n++) { |
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13 | if (noEncode.test(str.charAt(n))) { |
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14 | strEncode += str.charAt(n); |
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15 | } else { |
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16 | strCode = str.charCodeAt(n); |
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17 | hex1 = hex_chars.charAt(Math.floor(strCode / 16)); |
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18 | hex2 = hex_chars.charAt(strCode % 16); |
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19 | strEncode += "%" + (hex1 + hex2); |
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20 | } |
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21 | } |
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22 | return strEncode; |
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23 | } |
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24 | |
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25 | coder.prototype.url_decode = function (str) { |
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26 | |
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27 | var n, strCode, strDecode = ""; |
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28 | for (n = 0; n < str.length; n++) { |
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29 | if (str.charAt(n) == "%") { |
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30 | strCode = str.charAt(n + 1) + str.charAt(n + 2); |
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31 | strDecode += String.fromCharCode(parseInt(strCode, 16)); |
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32 | n += 2; |
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33 | } else { |
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34 | strDecode += str.charAt(n); |
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35 | } |
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36 | } |
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37 | return strDecode; |
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38 | } |
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39 | |
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40 | |
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41 | /* |
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42 | * base64.js - Base64 encoding and decoding functions |
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43 | * |
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44 | * Copyright (c) 2007, David Lindquist <david.lindquist@gmail.com> |
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45 | * Released under the MIT license |
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46 | */ |
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47 | |
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48 | coder.prototype.base64_encode = function (str){ |
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49 | var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; |
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50 | var encoded = []; |
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51 | var c = 0; |
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52 | while (c < str.length) { |
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53 | var b0 = str.charCodeAt(c++); |
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54 | var b1 = str.charCodeAt(c++); |
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55 | var b2 = str.charCodeAt(c++); |
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56 | var buf = (b0 << 16) + ((b1 || 0) << 8) + (b2 || 0); |
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57 | var i0 = (buf & (63 << 18)) >> 18; |
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58 | var i1 = (buf & (63 << 12)) >> 12; |
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59 | var i2 = isNaN(b1) ? 64 : (buf & (63 << 6)) >> 6; |
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60 | var i3 = isNaN(b2) ? 64 : (buf & 63); |
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61 | encoded[encoded.length] = chars.charAt(i0); |
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62 | encoded[encoded.length] = chars.charAt(i1); |
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63 | encoded[encoded.length] = chars.charAt(i2); |
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64 | encoded[encoded.length] = chars.charAt(i3); |
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65 | } |
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66 | return encoded.join(''); |
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67 | } |
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68 | |
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69 | coder.prototype.base64_decode = function (str) { |
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70 | var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; |
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71 | var invalid = { |
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72 | strlen: (str.length % 4 != 0), |
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73 | chars: new RegExp('[^' + chars + ']').test(str), |
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74 | equals: (/=/.test(str) && (/=[^=]/.test(str) || /={3}/.test(str))) |
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75 | }; |
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76 | if (invalid.strlen || invalid.chars || invalid.equals) |
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77 | throw new Error('Invalid base64 data'); |
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78 | var decoded = []; |
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79 | var c = 0; |
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80 | while (c < str.length) { |
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81 | var i0 = chars.indexOf(str.charAt(c++)); |
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82 | var i1 = chars.indexOf(str.charAt(c++)); |
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83 | var i2 = chars.indexOf(str.charAt(c++)); |
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84 | var i3 = chars.indexOf(str.charAt(c++)); |
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85 | var buf = (i0 << 18) + (i1 << 12) + ((i2 & 63) << 6) + (i3 & 63); |
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86 | var b0 = (buf & (255 << 16)) >> 16; |
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87 | var b1 = (i2 == 64) ? -1 : (buf & (255 << 8)) >> 8; |
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88 | var b2 = (i3 == 64) ? -1 : (buf & 255); |
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89 | decoded[decoded.length] = String.fromCharCode(b0); |
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90 | if (b1 >= 0) decoded[decoded.length] = String.fromCharCode(b1); |
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91 | if (b2 >= 0) decoded[decoded.length] = String.fromCharCode(b2); |
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92 | } |
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93 | return decoded.join(''); |
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94 | } |
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95 | |
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96 | |
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97 | /** |
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98 | * @author MD5 (Message-Digest Algorithm) |
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99 | * * http://www.webtoolkit.info/ |
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100 | * |
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101 | */ |
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102 | coder.prototype.md5_encode = function (string) { |
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103 | |
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104 | function RotateLeft(lValue, iShiftBits) { |
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105 | return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits)); |
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106 | } |
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107 | |
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108 | function AddUnsigned(lX,lY) { |
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109 | var lX4,lY4,lX8,lY8,lResult; |
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110 | lX8 = (lX & 0x80000000); |
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111 | lY8 = (lY & 0x80000000); |
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112 | lX4 = (lX & 0x40000000); |
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113 | lY4 = (lY & 0x40000000); |
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114 | lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF); |
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115 | if (lX4 & lY4) { |
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116 | return (lResult ^ 0x80000000 ^ lX8 ^ lY8); |
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117 | } |
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118 | if (lX4 | lY4) { |
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119 | if (lResult & 0x40000000) { |
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120 | return (lResult ^ 0xC0000000 ^ lX8 ^ lY8); |
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121 | } else { |
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122 | return (lResult ^ 0x40000000 ^ lX8 ^ lY8); |
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123 | } |
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124 | } else { |
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125 | return (lResult ^ lX8 ^ lY8); |
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126 | } |
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127 | } |
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128 | |
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129 | function F(x,y,z) { return (x & y) | ((~x) & z); } |
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130 | function G(x,y,z) { return (x & z) | (y & (~z)); } |
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131 | function H(x,y,z) { return (x ^ y ^ z); } |
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132 | function I(x,y,z) { return (y ^ (x | (~z))); } |
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133 | |
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134 | function FF(a,b,c,d,x,s,ac) { |
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135 | a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac)); |
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136 | return AddUnsigned(RotateLeft(a, s), b); |
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137 | }; |
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138 | |
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139 | function GG(a,b,c,d,x,s,ac) { |
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140 | a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac)); |
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141 | return AddUnsigned(RotateLeft(a, s), b); |
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142 | }; |
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143 | |
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144 | function HH(a,b,c,d,x,s,ac) { |
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145 | a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac)); |
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146 | return AddUnsigned(RotateLeft(a, s), b); |
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147 | }; |
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148 | |
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149 | function II(a,b,c,d,x,s,ac) { |
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150 | a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac)); |
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151 | return AddUnsigned(RotateLeft(a, s), b); |
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152 | }; |
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153 | |
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154 | function ConvertToWordArray(string) { |
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155 | var lWordCount; |
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156 | var lMessageLength = string.length; |
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157 | var lNumberOfWords_temp1=lMessageLength + 8; |
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158 | var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64; |
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159 | var lNumberOfWords = (lNumberOfWords_temp2+1)*16; |
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160 | var lWordArray=Array(lNumberOfWords-1); |
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161 | var lBytePosition = 0; |
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162 | var lByteCount = 0; |
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163 | while ( lByteCount < lMessageLength ) { |
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164 | lWordCount = (lByteCount-(lByteCount % 4))/4; |
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165 | lBytePosition = (lByteCount % 4)*8; |
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166 | lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition)); |
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167 | lByteCount++; |
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168 | } |
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169 | lWordCount = (lByteCount-(lByteCount % 4))/4; |
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170 | lBytePosition = (lByteCount % 4)*8; |
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171 | lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition); |
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172 | lWordArray[lNumberOfWords-2] = lMessageLength<<3; |
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173 | lWordArray[lNumberOfWords-1] = lMessageLength>>>29; |
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174 | return lWordArray; |
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175 | }; |
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176 | |
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177 | function WordToHex(lValue) { |
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178 | var WordToHexValue="",WordToHexValue_temp="",lByte,lCount; |
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179 | for (lCount = 0;lCount<=3;lCount++) { |
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180 | lByte = (lValue>>>(lCount*8)) & 255; |
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181 | WordToHexValue_temp = "0" + lByte.toString(16); |
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182 | WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2); |
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183 | } |
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184 | return WordToHexValue; |
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185 | }; |
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186 | function Utf8Encode(string) { |
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187 | string = string.replace(/\r\n/g,"\n"); |
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188 | var utftext = ""; |
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189 | |
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190 | for (var n = 0; n < string.length; n++) { |
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191 | |
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192 | var c = string.charCodeAt(n); |
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193 | |
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194 | if (c < 128) { |
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195 | utftext += String.fromCharCode(c); |
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196 | } |
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197 | else if((c > 127) && (c < 2048)) { |
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198 | utftext += String.fromCharCode((c >> 6) | 192); |
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199 | utftext += String.fromCharCode((c & 63) | 128); |
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200 | } |
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201 | else { |
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202 | utftext += String.fromCharCode((c >> 12) | 224); |
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203 | utftext += String.fromCharCode(((c >> 6) & 63) | 128); |
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204 | utftext += String.fromCharCode((c & 63) | 128); |
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205 | } |
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206 | |
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207 | } |
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208 | |
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209 | return utftext; |
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210 | }; |
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211 | var x=Array(); |
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212 | var k,AA,BB,CC,DD,a,b,c,d; |
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213 | var S11=7, S12=12, S13=17, S14=22; |
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214 | var S21=5, S22=9 , S23=14, S24=20; |
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215 | var S31=4, S32=11, S33=16, S34=23; |
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216 | var S41=6, S42=10, S43=15, S44=21; |
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217 | |
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218 | string = Utf8Encode(string); |
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219 | |
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220 | x = ConvertToWordArray(string); |
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221 | |
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222 | a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476; |
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223 | |
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224 | for (k=0;k<x.length;k+=16) { |
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225 | AA=a; BB=b; CC=c; DD=d; |
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226 | a=FF(a,b,c,d,x[k+0], S11,0xD76AA478); |
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227 | d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756); |
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228 | c=FF(c,d,a,b,x[k+2], S13,0x242070DB); |
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229 | b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE); |
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230 | a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF); |
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231 | d=FF(d,a,b,c,x[k+5], S12,0x4787C62A); |
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232 | c=FF(c,d,a,b,x[k+6], S13,0xA8304613); |
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233 | b=FF(b,c,d,a,x[k+7], S14,0xFD469501); |
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234 | a=FF(a,b,c,d,x[k+8], S11,0x698098D8); |
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235 | d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF); |
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236 | c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1); |
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237 | b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE); |
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238 | a=FF(a,b,c,d,x[k+12],S11,0x6B901122); |
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239 | d=FF(d,a,b,c,x[k+13],S12,0xFD987193); |
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240 | c=FF(c,d,a,b,x[k+14],S13,0xA679438E); |
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241 | b=FF(b,c,d,a,x[k+15],S14,0x49B40821); |
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242 | a=GG(a,b,c,d,x[k+1], S21,0xF61E2562); |
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243 | d=GG(d,a,b,c,x[k+6], S22,0xC040B340); |
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244 | c=GG(c,d,a,b,x[k+11],S23,0x265E5A51); |
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245 | b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA); |
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246 | a=GG(a,b,c,d,x[k+5], S21,0xD62F105D); |
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247 | d=GG(d,a,b,c,x[k+10],S22,0x2441453); |
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248 | c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681); |
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249 | b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8); |
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250 | a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6); |
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251 | d=GG(d,a,b,c,x[k+14],S22,0xC33707D6); |
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252 | c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87); |
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253 | b=GG(b,c,d,a,x[k+8], S24,0x455A14ED); |
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254 | a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905); |
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255 | d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8); |
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256 | c=GG(c,d,a,b,x[k+7], S23,0x676F02D9); |
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257 | b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A); |
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258 | a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942); |
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259 | d=HH(d,a,b,c,x[k+8], S32,0x8771F681); |
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260 | c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122); |
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261 | b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C); |
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262 | a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44); |
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263 | d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9); |
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264 | c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60); |
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265 | b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70); |
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266 | a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6); |
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267 | d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA); |
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268 | c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085); |
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269 | b=HH(b,c,d,a,x[k+6], S34,0x4881D05); |
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270 | a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039); |
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271 | d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5); |
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272 | c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8); |
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273 | b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665); |
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274 | a=II(a,b,c,d,x[k+0], S41,0xF4292244); |
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275 | d=II(d,a,b,c,x[k+7], S42,0x432AFF97); |
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276 | c=II(c,d,a,b,x[k+14],S43,0xAB9423A7); |
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277 | b=II(b,c,d,a,x[k+5], S44,0xFC93A039); |
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278 | a=II(a,b,c,d,x[k+12],S41,0x655B59C3); |
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279 | d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92); |
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280 | c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D); |
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281 | b=II(b,c,d,a,x[k+1], S44,0x85845DD1); |
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282 | a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F); |
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283 | d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0); |
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284 | c=II(c,d,a,b,x[k+6], S43,0xA3014314); |
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285 | b=II(b,c,d,a,x[k+13],S44,0x4E0811A1); |
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286 | a=II(a,b,c,d,x[k+4], S41,0xF7537E82); |
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287 | d=II(d,a,b,c,x[k+11],S42,0xBD3AF235); |
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288 | c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB); |
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289 | b=II(b,c,d,a,x[k+9], S44,0xEB86D391); |
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290 | a=AddUnsigned(a,AA); |
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291 | b=AddUnsigned(b,BB); |
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292 | c=AddUnsigned(c,CC); |
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293 | d=AddUnsigned(d,DD); |
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294 | } |
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295 | |
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296 | var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d); |
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297 | |
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298 | return temp.toLowerCase(); |
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299 | } |
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300 | expresso.coder = new coder(); |
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