/// <reference types="./otpauth.d.ts" />
(function(L,P){typeof exports=="object"&&typeof module!="undefined"?P(exports):typeof define=="function"&&define.amd?define(["exports"],P):(L=typeof globalThis!="undefined"?globalThis:L||self,P(L.OTPAuth={}))})(this,function(L){"use strict";const P=i=>{const e=new ArrayBuffer(8),n=new Uint8Array(e);let t=i;for(let r=7;r>=0&&t!==0;r--)n[r]=t&255,t-=n[r],t/=256;return e};var Z=Object.freeze({__proto__:null,createHmac:void 0,randomBytes:void 0,timingSafeEqual:void 0});const W="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";function _(i,e,n,t){let r,s,u;const c=e||[0],a=(n=n||0)>>>3,l=t===-1?3:0;for(r=0;r<i.length;r+=1)u=r+a,s=u>>>2,c.length<=s&&c.push(0),c[s]|=i[r]<<8*(l+t*(u%4));return{value:c,binLen:8*i.length+n}}function F(i,e,n){switch(e){case"UTF8":case"UTF16BE":case"UTF16LE":break;default:throw new Error("encoding must be UTF8, UTF16BE, or UTF16LE")}switch(i){case"HEX":return function(t,r,s){return function(u,c,a,l){let w,f,h,g;if(u.length%2!=0)throw new 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i==="SHA-384"?[new o(3418070365,$[0]),new o(1654270250,$[1]),new o(2438529370,$[2]),new o(355462360,$[3]),new o(1731405415,$[4]),new o(41048885895,$[5]),new o(3675008525,$[6]),new o(1203062813,$[7])]:[new o(B[0],4089235720),new o(B[1],2227873595),new o(B[2],4271175723),new o(B[3],1595750129),new o(B[4],2917565137),new o(B[5],725511199),new o(B[6],4215389547),new o(B[7],327033209)]}function fe(i,e){let n,t,r,s,u,c,a,l,w,f,h,g;const m=[];for(n=e[0],t=e[1],r=e[2],s=e[3],u=e[4],c=e[5],a=e[6],l=e[7],h=0;h<80;h+=1)h<16?(g=2*h,m[h]=new o(i[g],i[g+1])):m[h]=Te(Ce(m[h-2]),m[h-7],Le(m[h-15]),m[h-16]),w=Ue(l,$e(u),(A=c,b=a,new o((p=u).N&A.N^~p.N&b.N,p.I&A.I^~p.I&b.I)),Be[h],m[h]),f=N(Re(n),Se(n,t,r)),l=a,a=c,c=u,u=N(s,w),s=r,r=t,t=n,n=N(w,f);var p,A,b;return e[0]=N(n,e[0]),e[1]=N(t,e[1]),e[2]=N(r,e[2]),e[3]=N(s,e[3]),e[4]=N(u,e[4]),e[5]=N(c,e[5]),e[6]=N(a,e[6]),e[7]=N(l,e[7]),e}class Ke extends D{constructor(e,n,t){if(e!=="SHA-384"&&e!=="SHA-512")throw new Error(O);super(e,n,t);const r=t||{};this.F=this.Y,this.M=!0,this.T=-1,this.C=F(this.t,this.i,this.T),this.U=fe,this.B=function(s){return s.slice()},this.L=le,this.g=function(s,u,c,a){return function(l,w,f,h,g){let m,p;const A=31+(w+129>>>10<<5),b=w+f;for(;l.length<=A;)l.push(0);for(l[w>>>5]|=128<<24-w%32,l[A]=4294967295&b,l[A-1]=b/4294967296|0,m=0;m<l.length;m+=32)h=fe(l.slice(m,m+32),h);return p=g==="SHA-384"?[h[0].N,h[0].I,h[1].N,h[1].I,h[2].N,h[2].I,h[3].N,h[3].I,h[4].N,h[4].I,h[5].N,h[5].I]:[h[0].N,h[0].I,h[1].N,h[1].I,h[2].N,h[2].I,h[3].N,h[3].I,h[4].N,h[4].I,h[5].N,h[5].I,h[6].N,h[6].I,h[7].N,h[7].I],p}(s,u,c,a,e)},this.R=le(e),this.m=1024,this.v=e==="SHA-384"?384:512,this.K=!1,r.hmacKey&&this.k(K("hmacKey",r.hmacKey,this.T))}}const Fe=[new o(0,1),new o(0,32898),new o(2147483648,32906),new o(2147483648,2147516416),new o(0,32907),new o(0,2147483649),new o(2147483648,2147516545),new o(2147483648,32777),new o(0,138),new o(0,136),new o(0,2147516425),new o(0,2147483658),new o(0,2147516555),new o(2147483648,139),new o(2147483648,32905),new o(2147483648,32771),new o(2147483648,32770),new o(2147483648,128),new o(0,32778),new o(2147483648,2147483658),new o(2147483648,2147516545),new o(2147483648,32896),new o(0,2147483649),new o(2147483648,2147516424)],Me=[[0,36,3,41,18],[1,44,10,45,2],[62,6,43,15,61],[28,55,25,21,56],[27,20,39,8,14]];function V(i){let e;const n=[];for(e=0;e<5;e+=1)n[e]=[new o(0,0),new o(0,0),new o(0,0),new o(0,0),new o(0,0)];return n}function ke(i){let e;const n=[];for(e=0;e<5;e+=1)n[e]=i[e].slice();return n}function q(i,e){let n,t,r,s;const u=[],c=[];if(i!==null)for(t=0;t<i.length;t+=2)e[(t>>>1)%5][(t>>>1)/5|0]=x(e[(t>>>1)%5][(t>>>1)/5|0],new o(i[t+1],i[t]));for(n=0;n<24;n+=1){for(s=V(),t=0;t<5;t+=1)u[t]=(a=e[t][0],l=e[t][1],w=e[t][2],f=e[t][3],h=e[t][4],new o(a.N^l.N^w.N^f.N^h.N,a.I^l.I^w.I^f.I^h.I));for(t=0;t<5;t+=1)c[t]=x(u[(t+4)%5],ae(u[(t+1)%5],1));for(t=0;t<5;t+=1)for(r=0;r<5;r+=1)e[t][r]=x(e[t][r],c[t]);for(t=0;t<5;t+=1)for(r=0;r<5;r+=1)s[r][(2*t+3*r)%5]=ae(e[t][r],Me[t][r]);for(t=0;t<5;t+=1)for(r=0;r<5;r+=1)e[t][r]=x(s[t][r],new o(~s[(t+1)%5][r].N&s[(t+2)%5][r].N,~s[(t+1)%5][r].I&s[(t+2)%5][r].I));e[0][0]=x(e[0][0],Fe[n])}var a,l,w,f,h;return e}function we(i){let e,n,t=0;const r=[0,0],s=[4294967295&i,i/4294967296&2097151];for(e=6;e>=0;e--)n=s[e>>2]>>>8*e&255,n===0&&t===0||(r[t+1>>2]|=n<<8*(t+1),t+=1);return t=t!==0?t:1,r[0]|=t,{value:t+1>4?r:[r[0]],binLen:8+8*t}}function J(i){return z(we(i.binLen),i)}function de(i,e){let n,t=we(e);t=z(t,i);const r=e>>>2,s=(r-t.value.length%r)%r;for(n=0;n<s;n++)t.value.push(0);return t.value}class Pe extends D{constructor(e,n,t){let r=6,s=0;super(e,n,t);const u=t||{};if(this.numRounds!==1){if(u.kmacKey||u.hmacKey)throw new Error("Cannot set numRounds with MAC");if(this.o==="CSHAKE128"||this.o==="CSHAKE256")throw new Error("Cannot set numRounds for CSHAKE variants")}switch(this.T=1,this.C=F(this.t,this.i,this.T),this.U=q,this.B=ke,this.L=V,this.R=V(),this.K=!1,e){case"SHA3-224":this.m=s=1152,this.v=224,this.M=!0,this.F=this.Y;break;case"SHA3-256":this.m=s=1088,this.v=256,this.M=!0,this.F=this.Y;break;case"SHA3-384":this.m=s=832,this.v=384,this.M=!0,this.F=this.Y;break;case"SHA3-512":this.m=s=576,this.v=512,this.M=!0,this.F=this.Y;break;case"SHAKE128":r=31,this.m=s=1344,this.v=-1,this.K=!0,this.M=!1,this.F=null;break;case"SHAKE256":r=31,this.m=s=1088,this.v=-1,this.K=!0,this.M=!1,this.F=null;break;case"KMAC128":r=4,this.m=s=1344,this.X(t),this.v=-1,this.K=!0,this.M=!1,this.F=this._;break;case"KMAC256":r=4,this.m=s=1088,this.X(t),this.v=-1,this.K=!0,this.M=!1,this.F=this._;break;case"CSHAKE128":this.m=s=1344,r=this.O(t),this.v=-1,this.K=!0,this.M=!1,this.F=null;break;case"CSHAKE256":this.m=s=1088,r=this.O(t),this.v=-1,this.K=!0,this.M=!1,this.F=null;break;default:throw new Error(O)}this.g=function(c,a,l,w,f){return function(h,g,m,p,A,b,C){let I,H,S=0;const j=[],G=A>>>5,st=g>>>5;for(I=0;I<st&&g>=A;I+=G)p=q(h.slice(I,I+G),p),g-=A;for(h=h.slice(I),g%=A;h.length<G;)h.push(0);for(I=g>>>3,h[I>>2]^=b<<I%4*8,h[G-1]^=2147483648,p=q(h,p);32*j.length<C&&(H=p[S%5][S/5|0],j.push(H.I),!(32*j.length>=C));)j.push(H.N),S+=1,64*S%A==0&&(q(null,p),S=0);return j}(c,a,0,w,s,r,f)},u.hmacKey&&this.k(K("hmacKey",u.hmacKey,this.T))}O(e,n){const t=function(s){const u=s||{};return{funcName:K("funcName",u.funcName,1,{value:[],binLen:0}),customization:K("Customization",u.customization,1,{value:[],binLen:0})}}(e||{});n&&(t.funcName=n);const r=z(J(t.funcName),J(t.customization));if(t.customization.binLen!==0||t.funcName.binLen!==0){const s=de(r,this.m>>>3);for(let u=0;u<s.length;u+=this.m>>>5)this.R=this.U(s.slice(u,u+(this.m>>>5)),this.R),this.A+=this.m;return 4}return 31}X(e){const n=function(r){const s=r||{};return{kmacKey:K("kmacKey",s.kmacKey,1),funcName:{value:[1128353099],binLen:32},customization:K("Customization",s.customization,1,{value:[],binLen:0})}}(e||{});this.O(e,n.funcName);const t=de(J(n.kmacKey),this.m>>>3);for(let r=0;r<t.length;r+=this.m>>>5)this.R=this.U(t.slice(r,r+(this.m>>>5)),this.R),this.A+=this.m;this.H=!0}_(e){const n=z({value:this.h.slice(),binLen:this.u},function(t){let r,s,u=0;const c=[0,0],a=[4294967295&t,t/4294967296&2097151];for(r=6;r>=0;r--)s=a[r>>2]>>>8*r&255,s===0&&u===0||(c[u>>2]|=s<<8*u,u+=1);return u=u!==0?u:1,c[u>>2]|=u<<8*u,{value:u+1>4?c:[c[0]],binLen:8+8*u}}(e.outputLen));return this.g(n.value,n.binLen,this.A,this.B(this.R),e.outputLen)}}class Oe{constructor(e,n,t){if(e=="SHA-1")this.P=new He(e,n,t);else if(e=="SHA-224"||e=="SHA-256")this.P=new Ne(e,n,t);else if(e=="SHA-384"||e=="SHA-512")this.P=new Ke(e,n,t);else{if(e!="SHA3-224"&&e!="SHA3-256"&&e!="SHA3-384"&&e!="SHA3-512"&&e!="SHAKE128"&&e!="SHAKE256"&&e!="CSHAKE128"&&e!="CSHAKE256"&&e!="KMAC128"&&e!="KMAC256")throw new Error(O);this.P=new Pe(e,n,t)}}update(e){return this.P.update(e),this}getHash(e,n){return this.P.getHash(e,n)}setHMACKey(e,n,t){this.P.setHMACKey(e,n,t)}getHMAC(e,n){return this.P.getHMAC(e,n)}}const k=(()=>{if(typeof globalThis=="object")return globalThis;Object.defineProperty(Object.prototype,"__GLOBALTHIS__",{get(){return this},configurable:!0});try{if(typeof __GLOBALTHIS__!="undefined")return __GLOBALTHIS__}finally{delete Object.prototype.__GLOBALTHIS__}if(typeof self!="undefined")return self;if(typeof window!="undefined")return window;if(typeof global!="undefined")return global})(),Ye={SHA1:"SHA-1",SHA224:"SHA-224",SHA256:"SHA-256",SHA384:"SHA-384",SHA512:"SHA-512","SHA3-224":"SHA3-224","SHA3-256":"SHA3-256","SHA3-384":"SHA3-384","SHA3-512":"SHA3-512"},xe=(i,e,n)=>{Z!=null;{const t=Ye[i.toUpperCase()];if(typeof t=="undefined")throw new TypeError("Unknown hash function");const r=new Oe(t,"ARRAYBUFFER");return r.setHMACKey(e,"ARRAYBUFFER"),r.update(n),r.getHMAC("ARRAYBUFFER")}},Q="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",Xe=i=>{let e=i.length;for(;i[e-1]==="=";)--e;const n=(e<i.length?i.substring(0,e):i).toUpperCase(),t=new ArrayBuffer(n.length*5/8|0),r=new Uint8Array(t);let s=0,u=0,c=0;for(let a=0;a<n.length;a++){const l=Q.indexOf(n[a]);if(l===-1)throw new TypeError(`Invalid character found: ${n[a]}`);u=u<<5|l,s+=5,s>=8&&(s-=8,r[c++]=u>>>s)}return t},je=i=>{const e=new Uint8Array(i);let n=0,t=0,r="";for(let s=0;s<e.length;s++)for(t=t<<8|e[s],n+=8;n>=5;)r+=Q[t>>>n-5&31],n-=5;return n>0&&(r+=Q[t<<5-n&31]),r},ze=i=>{const e=new ArrayBuffer(i.length/2),n=new Uint8Array(e);for(let t=0;t<i.length;t+=2)n[t/2]=parseInt(i.substring(t,t+2),16);return e},De=i=>{const e=new Uint8Array(i);let n="";for(let t=0;t<e.length;t++){const r=e[t].toString(16);r.length===1&&(n+="0"),n+=r}return n.toUpperCase()},qe=i=>{const e=new ArrayBuffer(i.length),n=new Uint8Array(e);for(let t=0;t<i.length;t++)n[t]=i.charCodeAt(t)&255;return e},Ge=i=>{const e=new Uint8Array(i);let n="";for(let t=0;t<e.length;t++)n+=String.fromCharCode(e[t]);return n},ge=k.TextEncoder?new k.TextEncoder("utf-8"):null,me=k.TextDecoder?new k.TextDecoder("utf-8"):null,Ze=i=>{if(!ge)throw new Error("Encoding API not available");return ge.encode(i).buffer},Ve=i=>{if(!me)throw new Error("Encoding API not available");return me.decode(i)},Je=i=>{Z!=null;var e;if(!((e=k.crypto)!==null&&e!==void 0&&e.getRandomValues))throw new Error("Cryptography API not available");return k.crypto.getRandomValues(new Uint8Array(i)).buffer};class U{constructor(){let{buffer:e,size:n=20}=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{};this.buffer=typeof e=="undefined"?Je(n):e}static fromLatin1(e){return new U({buffer:qe(e)})}static fromUTF8(e){return new U({buffer:Ze(e)})}static fromBase32(e){return new U({buffer:Xe(e)})}static fromHex(e){return new U({buffer:ze(e)})}get latin1(){return Object.defineProperty(this,"latin1",{enumerable:!0,value:Ge(this.buffer)}),this.latin1}get utf8(){return Object.defineProperty(this,"utf8",{enumerable:!0,value:Ve(this.buffer)}),this.utf8}get base32(){return Object.defineProperty(this,"base32",{enumerable:!0,value:je(this.buffer)}),this.base32}get hex(){return Object.defineProperty(this,"hex",{enumerable:!0,value:De(this.buffer)}),this.hex}}const Qe=(i,e)=>{Z!=null;{if(i.length!==e.length)throw new TypeError("Input strings must have the same length");let n=-1,t=0;for(;++n<i.length;)t|=i.charCodeAt(n)^e.charCodeAt(n);return t===0}};var We=Math.pow;let X=class v{static get defaults(){return{issuer:"",label:"OTPAuth",algorithm:"SHA1",digits:6,counter:0,window:1}}constructor(){let{issuer:e=v.defaults.issuer,label:n=v.defaults.label,secret:t=new U,algorithm:r=v.defaults.algorithm,digits:s=v.defaults.digits,counter:u=v.defaults.counter}=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{};this.issuer=e,this.label=n,this.secret=typeof t=="string"?U.fromBase32(t):t,this.algorithm=r.toUpperCase(),this.digits=s,this.counter=u}static generate(e){let{secret:n,algorithm:t=v.defaults.algorithm,digits:r=v.defaults.digits,counter:s=v.defaults.counter}=e;const u=new Uint8Array(xe(t,n.buffer,P(s))),c=u[u.byteLength-1]&15;return(((u[c]&127)<<24|(u[c+1]&255)<<16|(u[c+2]&255)<<8|u[c+3]&255)%We(10,r)).toString().padStart(r,"0")}generate(){let{counter:e=this.counter++}=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{};return v.generate({secret:this.secret,algorithm:this.algorithm,digits:this.digits,counter:e})}static validate(e){let{token:n,secret:t,algorithm:r,digits:s,counter:u=v.defaults.counter,window:c=v.defaults.window}=e;if(n.length!==s)return null;let a=null;for(let l=u-c;l<=u+c;++l){const w=v.generate({secret:t,algorithm:r,digits:s,counter:l});Qe(n,w)&&(a=l-u)}return a}validate(e){let{token:n,counter:t=this.counter,window:r}=e;return v.validate({token:n,secret:this.secret,algorithm:this.algorithm,digits:this.digits,counter:t,window:r})}toString(){const e=encodeURIComponent;return`otpauth://hotp/${this.issuer.length>0?`${e(this.issuer)}:${e(this.label)}?issuer=${e(this.issuer)}&`:`${e(this.label)}?`}secret=${e(this.secret.base32)}&algorithm=${e(this.algorithm)}&digits=${e(this.digits)}&counter=${e(this.counter)}`}};class E{static get defaults(){return{issuer:"",label:"OTPAuth",algorithm:"SHA1",digits:6,period:30,window:1}}constructor(){let{issuer:e=E.defaults.issuer,label:n=E.defaults.label,secret:t=new U,algorithm:r=E.defaults.algorithm,digits:s=E.defaults.digits,period:u=E.defaults.period}=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{};this.issuer=e,this.label=n,this.secret=typeof t=="string"?U.fromBase32(t):t,this.algorithm=r.toUpperCase(),this.digits=s,this.period=u}static generate(e){let{secret:n,algorithm:t,digits:r,period:s=E.defaults.period,timestamp:u=Date.now()}=e;return X.generate({secret:n,algorithm:t,digits:r,counter:Math.floor(u/1e3/s)})}generate(){let{timestamp:e=Date.now()}=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{};return E.generate({secret:this.secret,algorithm:this.algorithm,digits:this.digits,period:this.period,timestamp:e})}static validate(e){let{token:n,secret:t,algorithm:r,digits:s,period:u=E.defaults.period,timestamp:c=Date.now(),window:a}=e;return X.validate({token:n,secret:t,algorithm:r,digits:s,counter:Math.floor(c/1e3/u),window:a})}validate(e){let{token:n,timestamp:t,window:r}=e;return E.validate({token:n,secret:this.secret,algorithm:this.algorithm,digits:this.digits,period:this.period,timestamp:t,window:r})}toString(){const e=encodeURIComponent;return`otpauth://totp/${this.issuer.length>0?`${e(this.issuer)}:${e(this.label)}?issuer=${e(this.issuer)}&`:`${e(this.label)}?`}secret=${e(this.secret.base32)}&algorithm=${e(this.algorithm)}&digits=${e(this.digits)}&period=${e(this.period)}`}}const _e=/^otpauth:\/\/([ht]otp)\/(.+)\?([A-Z0-9.~_-]+=[^?&]*(?:&[A-Z0-9.~_-]+=[^?&]*)*)$/i,et=/^[2-7A-Z]+=*$/i,tt=/^SHA(?:1|224|256|384|512|3-224|3-256|3-384|3-512)$/i,nt=/^[+-]?\d+$/,pe=/^\+?[1-9]\d*$/;class rt{static parse(e){let n;try{n=e.match(_e)}catch(a){}if(!Array.isArray(n))throw new URIError("Invalid URI format");const t=n[1].toLowerCase(),r=n[2].split(/(?::|%3A) *(.+)/i,2).map(decodeURIComponent),s=n[3].split("&").reduce((a,l)=>{const w=l.split(/=(.*)/,2).map(decodeURIComponent),f=w[0].toLowerCase(),h=w[1],g=a;return g[f]=h,g},{});let u;const c={};if(t==="hotp")if(u=X,typeof s.counter!="undefined"&&nt.test(s.counter))c.counter=parseInt(s.counter,10);else throw new TypeError("Missing or invalid 'counter' parameter");else if(t==="totp"){if(u=E,typeof s.period!="undefined")if(pe.test(s.period))c.period=parseInt(s.period,10);else throw new TypeError("Invalid 'period' parameter")}else throw new TypeError("Unknown OTP type");if(r.length===2?(c.label=r[1],c.issuer=r[0]):(c.label=r[0],typeof s.issuer!="undefined"&&(c.issuer=s.issuer)),typeof s.secret!="undefined"&&et.test(s.secret))c.secret=s.secret;else throw new TypeError("Missing or invalid 'secret' parameter");if(typeof s.algorithm!="undefined")if(tt.test(s.algorithm))c.algorithm=s.algorithm;else throw new TypeError("Invalid 'algorithm' parameter");if(typeof s.digits!="undefined")if(pe.test(s.digits))c.digits=parseInt(s.digits,10);else throw new TypeError("Invalid 'digits' parameter");return new u(c)}static stringify(e){if(e instanceof X||e instanceof E)return e.toString();throw new TypeError("Invalid 'HOTP/TOTP' object")}}const it="9.1.3";L.HOTP=X,L.Secret=U,L.TOTP=E,L.URI=rt,L.version=it});
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