_base.js 1.4 KB

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  1. /*
  2. Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
  3. Available via Academic Free License >= 2.1 OR the modified BSD license.
  4. see: http://dojotoolkit.org/license for details
  5. */
  6. if(!dojo._hasResource["dojox.encoding.digests._base"]){dojo._hasResource["dojox.encoding.digests._base"]=true;dojo.provide("dojox.encoding.digests._base");(function(){var d=dojox.encoding.digests;d.outputTypes={Base64:0,Hex:1,String:2,Raw:3};d.addWords=function(a,b){var l=(a&65535)+(b&65535);var m=(a>>16)+(b>>16)+(l>>16);return (m<<16)|(l&65535);};var _1=8;var _2=(1<<_1)-1;d.stringToWord=function(s){var wa=[];for(var i=0,l=s.length*_1;i<l;i+=_1){wa[i>>5]|=(s.charCodeAt(i/_1)&_2)<<(i%32);}return wa;};d.wordToString=function(wa){var s=[];for(var i=0,l=wa.length*32;i<l;i+=_1){s.push(String.fromCharCode((wa[i>>5]>>>(i%32))&_2));}return s.join("");};d.wordToHex=function(wa){var h="0123456789abcdef",s=[];for(var i=0,l=wa.length*4;i<l;i++){s.push(h.charAt((wa[i>>2]>>((i%4)*8+4))&15)+h.charAt((wa[i>>2]>>((i%4)*8))&15));}return s.join("");};d.wordToBase64=function(wa){var p="=",_3="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",s=[];for(var i=0,l=wa.length*4;i<l;i+=3){var t=(((wa[i>>2]>>8*(i%4))&255)<<16)|(((wa[i+1>>2]>>8*((i+1)%4))&255)<<8)|((wa[i+2>>2]>>8*((i+2)%4))&255);for(var j=0;j<4;j++){if(i*8+j*6>wa.length*32){s.push(p);}else{s.push(_3.charAt((t>>6*(3-j))&63));}}}return s.join("");};})();}