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S(t){for(var e=[],r=0;r>2,this._Ke[r][e%4]=o[e],this._Kd[t-r][e%4]=o[e];for(var s,a=0,u=i;u>16&255]<<24^l[s>>8&255]<<16^l[255&s]<<8^l[s>>24&255]^c[a]<<24,a+=1,8!=i)for(e=1;e>8&255]<<8^l[s>>16&255]<<16^l[s>>24&255]<<24;for(e=i/2+1;e>2,p=u%4,this._Ke[h][p]=o[e],this._Kd[t-h][p]=o[e++],u++}for(var h=1;h>24&255]^A[s>>16&255]^T[s>>8&255]^C[255&s]},R.prototype.encrypt=function(t){if(16!=t.length)throw new Error("invalid plaintext size (must be 16 bytes)");for(var e=this._Ke.length-1,r=[0,0,0,0],n=S(t),i=0;i<4;i++)n[i]^=this._Ke[0][i];for(var s=1;s>24&255]^d[n[(i+1)%4]>>16&255]^y[n[(i+2)%4]>>8&255]^w[255&n[(i+3)%4]]^this._Ke[s][i];n=r.slice()}var a,u=o(16);for(i=0;i<4;i++)a=this._Ke[e][i],u[4*i]=255&(l[n[i]>>24&255]^a>>24),u[4*i+1]=255&(l[n[(i+1)%4]>>16&255]^a>>16),u[4*i+2]=255&(l[n[(i+2)%4]>>8&255]^a>>8),u[4*i+3]=255&(l[255&n[(i+3)%4]]^a);return u},R.prototype.decrypt=function(t){if(16!=t.length)throw new Error("invalid ciphertext size (must be 16 bytes)");for(var e=this._Kd.length-1,r=[0,0,0,0],n=S(t),i=0;i<4;i++)n[i]^=this._Kd[0][i];for(var s=1;s>24&255]^m[n[(i+3)%4]>>16&255]^b[n[(i+2)%4]>>8&255]^_[255&n[(i+1)%4]]^this._Kd[s][i];n=r.slice()}var a,u=o(16);for(i=0;i<4;i++)a=this._Kd[e][i],u[4*i]=255&(p[n[i]>>24&255]^a>>24),u[4*i+1]=255&(p[n[(i+3)%4]>>16&255]^a>>16),u[4*i+2]=255&(p[n[(i+2)%4]>>8&255]^a>>8),u[4*i+3]=255&(p[255&n[(i+1)%4]]^a);return u};var P=function(t){if(!(this instanceof P))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new R(t)};P.prototype.encrypt=function(t){if((t=i(t)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var e=o(t.length),r=o(16),n=0;nNumber.MAX_SAFE_INTEGER)throw new Error("integer value out of safe range");for(var e=15;e>=0;--e)this._counter[e]=t%256,t=parseInt(t/256)},k.prototype.setBytes=function(t){if(16!=(t=i(t,!0)).length)throw new Error("invalid counter bytes size (must be 16 bytes)");this._counter=t},k.prototype.increment=function(){for(var t=15;t>=0;t--){if(255!==this._counter[t]){this._counter[t]++;break}this._counter[t]=0}};var O=function(t,e){if(!(this instanceof O))throw Error("AES must be instanitated with `new`");this.description="Counter",this.name="ctr",e instanceof k||(e=new k(e)),this._counter=e,this._remainingCounter=null,this._remainingCounterIndex=16,this._aes=new R(t)};O.prototype.encrypt=function(t){for(var e=i(t,!0),r=0;r16)throw new Error("PKCS#7 padding byte out of range");for(var r=t.length-e,n=0;n>>21&127,t>>>14&127,t>>>7&127,127&t],s.set(u,a),a+=u.length,this.frames.forEach((function(t){var i;switch(u=e(t.name),s.set(u,a),a+=u.length,i=t.size-10,u=[i>>>24&255,i>>>16&255,i>>>8&255,255&i],s.set(u,a),a+=u.length,a+=2,t.name){case"WCOM":case"WCOP":case"WOAF":case"WOAR":case"WOAS":case"WORS":case"WPAY":case"WPUB":u=e(t.value),s.set(u,a),a+=u.length;break;case"TPE1":case"TCOM":case"TCON":case"TLAN":case"TIT1":case"TIT2":case"TIT3":case"TALB":case"TPE2":case"TPE3":case"TPE4":case"TRCK":case"TPOS":case"TKEY":case"TMED":case"TPUB":case"TCOP":case"TEXT":case"TSRC":u=[1].concat(n),s.set(u,a),a+=u.length,u=r(t.value),s.set(u,a),a+=u.length;break;case"TXXX":case"USLT":case"COMM":u=[1],"USLT"!==t.name&&"COMM"!==t.name||(u=u.concat(t.language)),u=u.concat(n),s.set(u,a),a+=u.length,u=r(t.description),s.set(u,a),a+=u.length,u=[0,0].concat(n),s.set(u,a),a+=u.length,u=r(t.value),s.set(u,a),a+=u.length;break;case"TBPM":case"TLEN":case"TDAT":case"TYER":a++,u=e(t.value),s.set(u,a),a+=u.length;break;case"PRIV":u=e(t.id),s.set(u,a),a+=u.length,a++,s.set(new Uint8Array(t.value),a),a+=t.value.byteLength;break;case"APIC":u=[t.useUnicodeEncoding?1:0],s.set(u,a),a+=u.length,u=e(t.mimeType),s.set(u,a),a+=u.length,u=[0,t.pictureType],s.set(u,a),a+=u.length,t.useUnicodeEncoding?(u=[].concat(n),s.set(u,a),a+=u.length,u=r(t.description),s.set(u,a),a+=u.length,a+=2):(u=e(t.description),s.set(u,a),a+=u.length,a++),s.set(new Uint8Array(t.value),a),a+=t.value.byteLength}})),a+=this.padding,s.set(new Uint8Array(this.arrayBuffer),a),this.arrayBuffer=o},t.getBlob=function(){return new Blob([this.arrayBuffer],{type:"audio/mpeg"})},t.getURL=function(){return this.url||(this.url=URL.createObjectURL(this.getBlob())),this.url},t.revokeURL=function(){URL.revokeObjectURL(this.url)},n}()}()},function(t,e,r){t.exports=function(){"use strict";function t(t,e){for(var r=0;r>>0}function f(t,e){return h(t^e)}function c(t,e){return h(t+e|0)}function l(t,e,r,n){return h(t<<24|e<<16|r<<8|n)}function p(t){return[t>>>24&255,t>>>16&255,t>>>8&255,255&t]}function g(t){return"string"==typeof t}function d(t){return"object"==typeof t&&"byteLength"in t}function y(t){return g(t)||d(t)}function w(t,e){var r=!1;return Object.keys(t).forEach((function(n){t[n]===e&&(r=!0)})),r}function v(t){if(g(t))return function(t){for(var e=new Uint8Array(4*t.length),r=0,n=0;n!==t.length;n++){var i=t.charCodeAt(n);if(i<128)e[r++]=i;else{if(i<2048)e[r++]=i>>6|192;else{if(55295=t.length)return console.error("Incomplete surrogate pair"),e.subarray(0,r);var o=t.charCodeAt(n);if(o<56320||57343>18|240,e[r++]=i>>12&63|128}else e[r++]=i>>12|224;e[r++]=i>>6&63|128}e[r++]=63&i|128}}return e.subarray(0,r)}(t);if(d(t))return new Uint8Array(t);throw new Error("Unsupported type")}return function(){function h(t,n,h){if(void 0===n&&(n=e.ECB),void 0===h&&(h=r.PKCS5),!y(t))throw new Error("Key should be a string or an ArrayBuffer / Buffer");if(!w(e,n))throw new Error("Unsupported mode");if(!w(r,h))throw new Error("Unsupported padding");this.mode=n,this.padding=h,this.iv=null,this.p=i.slice(),this.s=[o.slice(),s.slice(),a.slice(),u.slice()],t=function(t){if(72<=t.length)return t;for(var e=[];e.length<72;)for(var r=0;r=t.length)return console.error("Incomplete 2-byte sequence"),r;n=(31&n)<<6|63&t[e++]}else if(223=t.length)return console.error("Incomplete 3-byte sequence"),r;n=(15&n)<<12|(63&t[e++])<<6|63&t[e++]}else{if(!(239=t.length)return console.error("Incomplete 4-byte sequence"),r;n=(7&n)<<18|(63&t[e++])<<12|(63&t[e++])<<6|63&t[e++]}if(n<=65535)r+=String.fromCharCode(n);else{if(!(n<=1114111))return console.error("Code point 0x"+n.toString(16)+" exceeds UTF-16 reach"),r;n-=65536,r+=String.fromCharCode(n>>10|55296),r+=String.fromCharCode(1023&n|56320)}}return r}(t);default:throw new Error("Unsupported return type")}},m._encryptBlock=function(t,e){for(var r=0;r<16;r++){t=f(t,this.p[r]);var n=[e=f(e,this._f(t)),t];t=n[0],e=n[1]}var i=[e,t];return e=f(e=i[1],this.p[16]),[t=f(t=i[0],this.p[17]),e]},m._decryptBlock=function(t,e){for(var r=17;1>>24&255],this.s[1][t>>>16&255]);return c(e=f(e,this.s[2][t>>>8&255]),this.s[3][255&t])},m._encodeECB=function(t){for(var e=new Uint8Array(t.length),r=0;r