function sha1Hash(k){var o=[1518500249,1859775393,2400959708,3395469782];k+=String.fromCharCode(128);var y=Math.ceil(k.length/4)+2;var m=Math.ceil(y/16);var n=new Array(m);for(var A=0;A<m;A++){n[A]=new Array(16);for(var z=0;z<16;z++){n[A][z]=(k.charCodeAt(A*64+z*4)<<24)|(k.charCodeAt(A*64+z*4+1)<<16)|(k.charCodeAt(A*64+z*4+2)<<8)|(k.charCodeAt(A*64+z*4+3))}}n[m-1][14]=((k.length-1)*8)/Math.pow(2,32);n[m-1][14]=Math.floor(n[m-1][14]);n[m-1][15]=((k.length-1)*8)&4294967295;var v=1732584193;var u=4023233417;var r=2562383102;var q=271733878;var p=3285377520;var g=new Array(80);var F,E,D,C,B;for(var A=0;A<m;A++){for(var w=0;w<16;w++){g[w]=n[A][w]}for(var w=16;w<80;w++){g[w]=ROTL(g[w-3]^g[w-8]^g[w-14]^g[w-16],1)}F=v;E=u;D=r;C=q;B=p;for(var w=0;w<80;w++){var x=Math.floor(w/20);var h=(ROTL(F,5)+f(x,E,D,C)+B+o[x]+g[w])&4294967295;B=C;C=D;D=ROTL(E,30);E=F;F=h}v=(v+F)&4294967295;u=(u+E)&4294967295;r=(r+D)&4294967295;q=(q+C)&4294967295;p=(p+B)&4294967295}return v.toHexStr()+u.toHexStr()+r.toHexStr()+q.toHexStr()+p.toHexStr()}function f(b,a,d,c){switch(b){case 0:return(a&d)^(~a&c);case 1:return a^d^c;case 2:return(a&d)^(a&c)^(d&c);case 3:return a^d^c}}function ROTL(a,b){return(a<<b)|(a>>>(32-b))}Number.prototype.toHexStr=function(){var c="",a;for(var b=7;b>=0;b--){a=(this>>>(b*4))&15;c+=a.toString(16)}return c};