var hexcase=0;var b64pad="";var chrsz=8;function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length*chrsz))}function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length*chrsz))}function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length*chrsz))}function hex_hmac_sha1(a,b){return binb2hex(core_hmac_sha1(a,b))}function b64_hmac_sha1(a,b){return binb2b64(core_hmac_sha1(a,b))}function str_hmac_sha1(a,b){return binb2str(core_hmac_sha1(a,b))}function sha1_vm_test(){return hex_sha1("abc")=="a9993e364706816aba3e25717850c26c9cd0d89d"}function core_sha1(x,f){x[f>>5]|=0x80<<(24-f%32);x[((f+64>>9)<<4)+15]=f;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 g=a;var h=b;var k=c;var l=d;var m=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,g);b=safe_add(b,h);c=safe_add(c,k);d=safe_add(d,l);e=safe_add(e,m)}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(a,b){var c=str2binb(a);if(c.length>16){c=core_sha1(c,a.length*chrsz)}var d=Array(16),opad=Array(16);for(var i=0;i<16;i++){d[i]=c[i]^0x36363636;opad[i]=c[i]^0x5C5C5C5C}var e=core_sha1(d.concat(str2binb(b)),512+b.length*chrsz);return core_sha1(opad.concat(e),512+160)}function safe_add(x,y){var a=(x&0xFFFF)+(y&0xFFFF);var b=(x>>16)+(y>>16)+(a>>16);return(b<<16)|(a&0xFFFF)}function rol(a,b){return(a<<b)|(a>>>(32-b))}function str2binb(a){var b=Array();var c=(1<<chrsz)-1;for(var i=0;i<a.length*chrsz;i+=chrsz){b[i>>5]|=(a.charCodeAt(i/chrsz)&c)<<(32-chrsz-i%32)}return b}function binb2str(a){var b="";var c=(1<<chrsz)-1;for(var i=0;i<a.length*32;i+=chrsz){b+=String.fromCharCode((a[i>>5]>>>(32-chrsz-i%32))&c)}return b}function binb2hex(a){var b=hexcase?"0123456789ABCDEF":"0123456789abcdef";var c="";for(var i=0;i<a.length*4;i++){c+=b.charAt((a[i>>2]>>((3-i%4)*8+4))&0xF)+b.charAt((a[i>>2]>>((3-i%4)*8))&0xF)}return c}function binb2b64(a){var b="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";var c="";for(var i=0;i<a.length*4;i+=3){var d=(((a[i>>2]>>8*(3-i%4))&0xFF)<<16)|(((a[i+1>>2]>>8*(3-(i+1)%4))&0xFF)<<8)|((a[i+2>>2]>>8*(3-(i+2)%4))&0xFF);for(var j=0;j<4;j++){if(i*8+j*6>a.length*32){c+=b64pad}else{c+=b.charAt((d>>6*(3-j))&0x3F)}}}return c}