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1 <!DOCTYPE html> |
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2 <head> |
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3 <!-- |
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4 Copyright (C) 2007 Apple Inc. All rights reserved. |
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5 |
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6 Redistribution and use in source and binary forms, with or without |
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7 modification, are permitted provided that the following conditions |
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8 are met: |
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9 1. Redistributions of source code must retain the above copyright |
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10 notice, this list of conditions and the following disclaimer. |
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11 2. Redistributions in binary form must reproduce the above copyright |
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12 notice, this list of conditions and the following disclaimer in the |
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13 documentation and/or other materials provided with the distribution. |
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14 |
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15 THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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16 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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18 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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19 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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20 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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21 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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22 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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23 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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25 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 --> |
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27 |
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28 <title>SunSpider crypto-sha1</title> |
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29 |
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30 </head> |
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31 |
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32 <body> |
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33 <h3>crypto-sha1</h3> |
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34 <div id="console"> |
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35 </div> |
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36 |
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37 <script> |
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38 |
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39 var _sunSpiderStartDate = new Date(); |
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40 |
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41 /* |
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42 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined |
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43 * in FIPS PUB 180-1 |
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44 * Version 2.1a Copyright Paul Johnston 2000 - 2002. |
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45 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet |
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46 * Distributed under the BSD License |
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47 * See http://pajhome.org.uk/crypt/md5 for details. |
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48 */ |
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49 |
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50 /* |
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51 * Configurable variables. You may need to tweak these to be compatible with |
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52 * the server-side, but the defaults work in most cases. |
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53 */ |
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54 var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */ |
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55 var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */ |
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56 var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */ |
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57 |
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58 /* |
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59 * These are the functions you'll usually want to call |
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60 * They take string arguments and return either hex or base-64 encoded strings |
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61 */ |
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62 function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));} |
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63 function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));} |
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64 function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));} |
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65 function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));} |
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66 function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));} |
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67 function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));} |
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68 |
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69 /* |
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70 * Perform a simple self-test to see if the VM is working |
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71 */ |
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72 function sha1_vm_test() |
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73 { |
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74 return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d"; |
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75 } |
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76 |
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77 /* |
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78 * Calculate the SHA-1 of an array of big-endian words, and a bit length |
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79 */ |
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80 function core_sha1(x, len) |
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81 { |
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82 /* append padding */ |
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83 x[len >> 5] |= 0x80 << (24 - len % 32); |
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84 x[((len + 64 >> 9) << 4) + 15] = len; |
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85 |
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86 var w = Array(80); |
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87 var a = 1732584193; |
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88 var b = -271733879; |
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89 var c = -1732584194; |
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90 var d = 271733878; |
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91 var e = -1009589776; |
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92 |
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93 for(var i = 0; i < x.length; i += 16) |
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94 { |
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95 var olda = a; |
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96 var oldb = b; |
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97 var oldc = c; |
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98 var oldd = d; |
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99 var olde = e; |
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100 |
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101 for(var j = 0; j < 80; j++) |
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102 { |
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103 if(j < 16) w[j] = x[i + j]; |
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104 else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1); |
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105 var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)), |
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106 safe_add(safe_add(e, w[j]), sha1_kt(j))); |
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107 e = d; |
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108 d = c; |
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109 c = rol(b, 30); |
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110 b = a; |
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111 a = t; |
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112 } |
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113 |
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114 a = safe_add(a, olda); |
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115 b = safe_add(b, oldb); |
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116 c = safe_add(c, oldc); |
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117 d = safe_add(d, oldd); |
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118 e = safe_add(e, olde); |
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119 } |
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120 return Array(a, b, c, d, e); |
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121 |
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122 } |
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123 |
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124 /* |
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125 * Perform the appropriate triplet combination function for the current |
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126 * iteration |
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127 */ |
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128 function sha1_ft(t, b, c, d) |
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129 { |
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130 if(t < 20) return (b & c) | ((~b) & d); |
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131 if(t < 40) return b ^ c ^ d; |
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132 if(t < 60) return (b & c) | (b & d) | (c & d); |
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133 return b ^ c ^ d; |
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134 } |
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135 |
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136 /* |
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137 * Determine the appropriate additive constant for the current iteration |
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138 */ |
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139 function sha1_kt(t) |
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140 { |
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141 return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 : |
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142 (t < 60) ? -1894007588 : -899497514; |
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143 } |
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144 |
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145 /* |
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146 * Calculate the HMAC-SHA1 of a key and some data |
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147 */ |
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148 function core_hmac_sha1(key, data) |
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149 { |
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150 var bkey = str2binb(key); |
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151 if(bkey.length > 16) bkey = core_sha1(bkey, key.length * chrsz); |
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152 |
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153 var ipad = Array(16), opad = Array(16); |
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154 for(var i = 0; i < 16; i++) |
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155 { |
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156 ipad[i] = bkey[i] ^ 0x36363636; |
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157 opad[i] = bkey[i] ^ 0x5C5C5C5C; |
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158 } |
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159 |
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160 var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz); |
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161 return core_sha1(opad.concat(hash), 512 + 160); |
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162 } |
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163 |
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164 /* |
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165 * Add integers, wrapping at 2^32. This uses 16-bit operations internally |
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166 * to work around bugs in some JS interpreters. |
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167 */ |
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168 function safe_add(x, y) |
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169 { |
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170 var lsw = (x & 0xFFFF) + (y & 0xFFFF); |
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171 var msw = (x >> 16) + (y >> 16) + (lsw >> 16); |
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172 return (msw << 16) | (lsw & 0xFFFF); |
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173 } |
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174 |
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175 /* |
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176 * Bitwise rotate a 32-bit number to the left. |
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177 */ |
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178 function rol(num, cnt) |
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179 { |
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180 return (num << cnt) | (num >>> (32 - cnt)); |
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181 } |
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182 |
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183 /* |
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184 * Convert an 8-bit or 16-bit string to an array of big-endian words |
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185 * In 8-bit function, characters >255 have their hi-byte silently ignored. |
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186 */ |
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187 function str2binb(str) |
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188 { |
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189 var bin = Array(); |
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190 var mask = (1 << chrsz) - 1; |
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191 for(var i = 0; i < str.length * chrsz; i += chrsz) |
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192 bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i%32); |
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193 return bin; |
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194 } |
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195 |
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196 /* |
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197 * Convert an array of big-endian words to a string |
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198 */ |
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199 function binb2str(bin) |
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200 { |
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201 var str = ""; |
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202 var mask = (1 << chrsz) - 1; |
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203 for(var i = 0; i < bin.length * 32; i += chrsz) |
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204 str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & mask); |
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205 return str; |
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206 } |
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207 |
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208 /* |
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209 * Convert an array of big-endian words to a hex string. |
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210 */ |
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211 function binb2hex(binarray) |
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212 { |
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213 var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; |
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214 var str = ""; |
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215 for(var i = 0; i < binarray.length * 4; i++) |
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216 { |
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217 str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) + |
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218 hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8 )) & 0xF); |
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219 } |
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220 return str; |
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221 } |
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222 |
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223 /* |
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224 * Convert an array of big-endian words to a base-64 string |
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225 */ |
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226 function binb2b64(binarray) |
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227 { |
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228 var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
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229 var str = ""; |
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230 for(var i = 0; i < binarray.length * 4; i += 3) |
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231 { |
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232 var triplet = (((binarray[i >> 2] >> 8 * (3 - i %4)) & 0xFF) << 16) |
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233 | (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 ) |
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234 | ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF); |
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235 for(var j = 0; j < 4; j++) |
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236 { |
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237 if(i * 8 + j * 6 > binarray.length * 32) str += b64pad; |
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238 else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); |
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239 } |
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240 } |
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241 return str; |
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242 } |
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243 |
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244 |
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245 var plainText = "Two households, both alike in dignity,\n\ |
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246 In fair Verona, where we lay our scene,\n\ |
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247 From ancient grudge break to new mutiny,\n\ |
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248 Where civil blood makes civil hands unclean.\n\ |
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249 From forth the fatal loins of these two foes\n\ |
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250 A pair of star-cross'd lovers take their life;\n\ |
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251 Whole misadventured piteous overthrows\n\ |
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252 Do with their death bury their parents' strife.\n\ |
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253 The fearful passage of their death-mark'd love,\n\ |
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254 And the continuance of their parents' rage,\n\ |
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255 Which, but their children's end, nought could remove,\n\ |
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256 Is now the two hours' traffic of our stage;\n\ |
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257 The which if you with patient ears attend,\n\ |
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258 What here shall miss, our toil shall strive to mend."; |
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259 |
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260 for (var i = 0; i <4; i++) { |
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261 plainText += plainText; |
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262 } |
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263 |
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264 var sha1Output = hex_sha1(plainText); |
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265 |
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266 |
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267 var _sunSpiderInterval = new Date() - _sunSpiderStartDate; |
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268 |
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269 document.getElementById("console").innerHTML = _sunSpiderInterval; |
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270 </script> |
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271 |
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272 |
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273 </body> |
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274 </html> |