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(N,H){N[H>>5]|=128<<(24-H%32);N[((H+64>>9)<<4)+15]=H;var O=Array(80);var M=1732584193;var L=-271733879;var K=-1732584194;var J=271733878;var I=-1009589776;for(var E=0;E<N.length;E+=16){var G=M;var F=L;var D=K;var C=J;var A=I;for(var B=0;B<80;B++){if(B<16){O[B]=N[E+B];}else{O[B]=rol(O[B-3]^O[B-8]^O[B-14]^O[B-16],1);}var P=safe_add(safe_add(rol(M,5),sha1_ft(B,L,K,J)),safe_add(safe_add(I,O[B]),sha1_kt(B)));I=J;J=K;K=rol(L,30);L=M;M=P;}M=safe_add(M,G);L=safe_add(L,F);K=safe_add(K,D);J=safe_add(J,C);I=safe_add(I,A);}return Array(M,L,K,J,I);}function sha1_ft(B,A,D,C){if(B<20){return(A&D)|((~A)&C);}if(B<40){return A^D^C;}if(B<60){return(A&D)|(A&C)|(D&C);}return A^D^C;}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)<<(24-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]>>>(24-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;}