var hexcase=0;var b64pad="";var chrsz=8;function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length*chrsz));}function sha1_vm_test(){return hex_sha1("abc")=="a9993e364706816aba3e25717850c26c9cd0d89d";}function core_sha1(x,_3){x[_3>>5]|=128<<(24-_3%32);x[((_3+64>>9)<<4)+15]=_3;var w=Array(80);var a=1732584193;var b=-271733879;var c=-1732584194;var d=271733878;var e=-1009589776;for(var i=0;i<x.length;i+=16){var _b=a;var _c=b;var _d=c;var _e=d;var _f=e;for(var j=0;j<80;j++){if(j<16){w[j]=x[i+j];}else{w[j]=rol(w[j-3]^w[j-8]^w[j-14]^w[j-16],1);}var t=safe_add(safe_add(rol(a,5),sha1_ft(j,b,c,d)),safe_add(safe_add(e,w[j]),sha1_kt(j)));e=d;d=c;c=rol(b,30);b=a;a=t;}a=safe_add(a,_b);b=safe_add(b,_c);c=safe_add(c,_d);d=safe_add(d,_e);e=safe_add(e,_f);}return Array(a,b,c,d,e);}function sha1_ft(t,b,c,d){if(t<20){return (b&c)|((~b)&d);}if(t<40){return b^c^d;}if(t<60){return (b&c)|(b&d)|(c&d);}return b^c^d;}function sha1_kt(t){return (t<20)?1518500249:(t<40)?1859775393:(t<60)?-1894007588:-899497514;}function core_hmac_sha1(key,_18){var _19=str2binb(key);if(_19.length>16){_19=core_sha1(_19,key.length*chrsz);}var _1a=Array(16),opad=Array(16);for(var i=0;i<16;i++){_1a[i]=_19[i]^909522486;opad[i]=_19[i]^1549556828;}var _1c=core_sha1(_1a.concat(str2binb(_18)),512+_18.length*chrsz);return core_sha1(opad.concat(_1c),512+160);}function safe_add(x,y){var lsw=(x&65535)+(y&65535);var msw=(x>>16)+(y>>16)+(lsw>>16);return (msw<<16)|(lsw&65535);}function rol(num,cnt){return (num<<cnt)|(num>>>(32-cnt));}function str2binb(str){var bin=Array();var _25=(1<<chrsz)-1;for(var i=0;i<str.length*chrsz;i+=chrsz){bin[i>>5]|=(str.charCodeAt(i/chrsz)&_25)<<(32-chrsz-i%32);}return bin;}function binb2hex(_27){var _28=hexcase?"0123456789ABCDEF":"0123456789abcdef";var str="";for(var i=0;i<_27.length*4;i++){str+=_28.charAt((_27[i>>2]>>((3-i%4)*8+4))&15)+_28.charAt((_27[i>>2]>>((3-i%4)*8))&15);}return str;}