var hexcase=0;var b64pad="";var chrsz=8;function hex_sha1(a){return binb2hex(core_sha1(str2binb(a),a.length*chrsz))}function b64_sha1(a){return binb2b64(core_sha1(str2binb(a),a.length*chrsz))}function str_sha1(a){return binb2str(core_sha1(str2binb(a),a.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(v,o){v[o>>5]|=128<<(24-o%32);v[((o+64>>9)<<4)+15]=o;var y=Array(80);var u=1732584193;var s=-271733879;var r=-1732584194;var q=271733878;var p=-1009589776;for(var l=0;l<v.length;l+=16){var n=u;var m=s;var k=r;var h=q;var f=p;for(var g=0;g<80;g++){if(g<16){y[g]=v[l+g]}else{y[g]=rol(y[g-3]^y[g-8]^y[g-14]^y[g-16],1)}var z=safe_add(safe_add(rol(u,5),sha1_ft(g,s,r,q)),safe_add(safe_add(p,y[g]),sha1_kt(g)));p=q;q=r;r=rol(s,30);s=u;u=z}u=safe_add(u,n);s=safe_add(s,m);r=safe_add(r,k);q=safe_add(q,h);p=safe_add(p,f)}return Array(u,s,r,q,p)}function sha1_ft(e,a,g,f){if(e<20){return(a&g)|((~a)&f)}if(e<40){return a^g^f}if(e<60){return(a&g)|(a&f)|(g&f)}return a^g^f}function sha1_kt(a){return(a<20)?1518500249:(a<40)?1859775393:(a<60)?-1894007588:-899497514}function core_hmac_sha1(c,f){var e=str2binb(c);if(e.length>16){e=core_sha1(e,c.length*chrsz)}var a=Array(16),d=Array(16);for(var b=0;b<16;b++){a[b]=e[b]^909522486;d[b]=e[b]^1549556828}var g=core_sha1(a.concat(str2binb(f)),512+f.length*chrsz);return core_sha1(d.concat(g),512+160)}function safe_add(a,d){var c=(a&65535)+(d&65535);var b=(a>>16)+(d>>16)+(c>>16);return(b<<16)|(c&65535)}function rol(a,b){return(a<<b)|(a>>>(32-b))}function str2binb(d){var c=Array();var a=(1<<chrsz)-1;for(var b=0;b<d.length*chrsz;b+=chrsz){c[b>>5]|=(d.charCodeAt(b/chrsz)&a)<<(32-chrsz-b%32)}return c}function binb2str(c){var d="";var a=(1<<chrsz)-1;for(var b=0;b<c.length*32;b+=chrsz){d+=String.fromCharCode((c[b>>5]>>>(32-chrsz-b%32))&a)}return d}function binb2hex(c){var b=hexcase?"0123456789ABCDEF":"0123456789abcdef";var d="";for(var a=0;a<c.length*4;a++){d+=b.charAt((c[a>>2]>>((3-a%4)*8+4))&15)+b.charAt((c[a>>2]>>((3-a%4)*8))&15)}return d}function binb2b64(d){var c="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";var f="";for(var b=0;b<d.length*4;b+=3){var e=(((d[b>>2]>>8*(3-b%4))&255)<<16)|(((d[b+1>>2]>>8*(3-(b+1)%4))&255)<<8)|((d[b+2>>2]>>8*(3-(b+2)%4))&255);for(var a=0;a<4;a++){if(b*8+a*6>d.length*32){f+=b64pad}else{f+=c.charAt((e>>6*(3-a))&63)}}}return f};