@chainsafe/libp2p-noise/dist/index.min.js

Noise libp2p handshake for js-libp2p

(function (root, factory) {(typeof module === 'object' && module.exports) ? module.exports = factory() : root.ChainsafeLibp2PNoise = factory()}(typeof self !== 'undefined' ? self : this, function () {
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Y(r,t,e){let n;if(typeof t=="string")try{n=ae(t)}catch(s){throw new Error(r+" must be hex string or Uint8Array, cause: "+s)}else if(Jt(t))n=Uint8Array.from(t);else throw new Error(r+" must be hex string or Uint8Array");let o=n.length;if(typeof e=="number"&&o!==e)throw new Error(r+" of length "+e+" expected, got "+o);return n}function qt(...r){let t=0;for(let n=0;n<r.length;n++){let o=r[n];Re(o),t+=o.length}let e=new Uint8Array(t);for(let n=0,o=0;n<r.length;n++){let s=r[n];e.set(s,o),o+=s.length}return e}function ff(r,t){if(r.length!==t.length)return!1;let e=0;for(let n=0;n<r.length;n++)e|=r[n]^t[n];return e===0}function uf(r){if(typeof r!="string")throw new Error("string expected");return new Uint8Array(new TextEncoder().encode(r))}var Nn=r=>typeof r=="bigint"&&Ar<=r;function We(r,t,e){return Nn(r)&&Nn(t)&&Nn(e)&&t<=r&&r<e}function ct(r,t,e,n){if(!We(t,e,n))throw new Error("expected valid "+r+": "+e+" <= n < "+n+", got "+t)}function Pn(r){let t;for(t=0;r>Ar;r>>=Br,t+=1);return 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r=="string"||Jt(r),isSafeInteger:r=>Number.isSafeInteger(r),array:r=>Array.isArray(r),field:(r,t)=>t.Fp.isValid(r),hash:r=>typeof r=="function"&&Number.isSafeInteger(r.outputLen)};function Bt(r,t,e={}){let n=(o,s,i)=>{let a=df[s];if(typeof a!="function")throw new Error("invalid validator function");let c=r[o];if(!(i&&c===void 0)&&!a(c,r))throw new Error("param "+String(o)+" is invalid. 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Error("invert: does not exist");return G(o,t)}function xf(r){let t=(r-Q)/fe,e,n,o;for(e=r-Q,n=0;e%fe===ot;e/=fe,n++);for(o=fe;o<r&&On(o,t,r)!==r-Q;o++)if(o>1e3)throw new Error("Cannot find square root: likely non-prime P");if(n===1){let i=(r+Q)/kn;return function(c,u){let f=c.pow(u,i);if(!c.eql(c.sqr(f),u))throw new Error("Cannot find square root");return f}}let s=(e+Q)/fe;return function(a,c){if(a.pow(c,t)===a.neg(a.ONE))throw new Error("Cannot find square root");let u=n,f=a.pow(a.mul(a.ONE,o),e),l=a.pow(c,s),p=a.pow(c,e);for(;!a.eql(p,a.ONE);){if(a.eql(p,a.ZERO))return a.ZERO;let S=1;for(let y=a.sqr(p);S<u&&!a.eql(y,a.ONE);S++)y=a.sqr(y);let b=a.pow(f,Q<<BigInt(u-S-1));f=a.sqr(b),l=a.mul(l,b),p=a.mul(p,f),u=S}return l}}function bf(r){if(r%kn===mf){let t=(r+Q)/kn;return function(n,o){let s=n.pow(o,t);if(!n.eql(n.sqr(s),o))throw new Error("Cannot find square root");return s}}if(r%Xs===Zs){let t=(r-Zs)/Xs;return function(n,o){let 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wt.createV1(114,this.toMultihash())}toString(){return nt.encode(this.toMultihash().bytes).substring(1)}equals(t){return t==null||!(t.raw instanceof Uint8Array)?!1:Et(this.raw,t.raw)}verify(t,e){return ai(this.raw,e,t)}};function fi(r){return r=Yn(r,Rr),new Cr(r)}function Yn(r,t){if(r=Uint8Array.from(r??[]),r.length!==t)throw new gt(`Key must be a Uint8Array of length ${t}, got ${r.length}`);return r}function st(r=0){return new Uint8Array(r)}function it(r=0){return new Uint8Array(r)}var Mf=Math.pow(2,7),kf=Math.pow(2,14),Of=Math.pow(2,21),jn=Math.pow(2,28),Wn=Math.pow(2,35),$n=Math.pow(2,42),Jn=Math.pow(2,49),Z=128,lt=127;function St(r){if(r<Mf)return 1;if(r<kf)return 2;if(r<Of)return 3;if(r<jn)return 4;if(r<Wn)return 5;if(r<$n)return 6;if(r<Jn)return 7;if(Number.MAX_SAFE_INTEGER!=null&&r>Number.MAX_SAFE_INTEGER)throw new RangeError("Could not encode varint");return 8}function Qn(r,t,e=0){switch(St(r)){case 8:t[e++]=r&255|Z,r/=128;case 7:t[e++]=r&255|Z,r/=128;case 6:t[e++]=r&255|Z,r/=128;case 5:t[e++]=r&255|Z,r/=128;case 4:t[e++]=r&255|Z,r>>>=7;case 3:t[e++]=r&255|Z,r>>>=7;case 2:t[e++]=r&255|Z,r>>>=7;case 1:{t[e++]=r&255,r>>>=7;break}default:throw new Error("unreachable")}return t}function Hf(r,t,e=0){switch(St(r)){case 8:t.set(e++,r&255|Z),r/=128;case 7:t.set(e++,r&255|Z),r/=128;case 6:t.set(e++,r&255|Z),r/=128;case 5:t.set(e++,r&255|Z),r/=128;case 4:t.set(e++,r&255|Z),r>>>=7;case 3:t.set(e++,r&255|Z),r>>>=7;case 2:t.set(e++,r&255|Z),r>>>=7;case 1:{t.set(e++,r&255),r>>>=7;break}default:throw new Error("unreachable")}return t}function to(r,t){let e=r[t],n=0;if(n+=e&lt,e<Z||(e=r[t+1],n+=(e&lt)<<7,e<Z)||(e=r[t+2],n+=(e&lt)<<14,e<Z)||(e=r[t+3],n+=(e&lt)<<21,e<Z)||(e=r[t+4],n+=(e&lt)*jn,e<Z)||(e=r[t+5],n+=(e&lt)*Wn,e<Z)||(e=r[t+6],n+=(e&lt)*$n,e<Z)||(e=r[t+7],n+=(e&lt)*Jn,e<Z))return n;throw new RangeError("Could not decode varint")}function qf(r,t){let e=r.get(t),n=0;if(n+=e&lt,e<Z||(e=r.get(t+1),n+=(e&lt)<<7,e<Z)||(e=r.get(t+2),n+=(e&lt)<<14,e<Z)||(e=r.get(t+3),n+=(e&lt)<<21,e<Z)||(e=r.get(t+4),n+=(e&lt)*jn,e<Z)||(e=r.get(t+5),n+=(e&lt)*Wn,e<Z)||(e=r.get(t+6),n+=(e&lt)*$n,e<Z)||(e=r.get(t+7),n+=(e&lt)*Jn,e<Z))return n;throw new RangeError("Could not decode varint")}function Nr(r,t,e=0){return t==null&&(t=it(St(r))),t instanceof Uint8Array?Qn(r,t,e):Hf(r,t,e)}function Kr(r,t=0){return r instanceof Uint8Array?to(r,t):qf(r,t)}var ro=new Float32Array([-0]),ee=new Uint8Array(ro.buffer);function ui(r,t,e){ro[0]=r,t[e]=ee[0],t[e+1]=ee[1],t[e+2]=ee[2],t[e+3]=ee[3]}function hi(r,t){return ee[0]=r[t],ee[1]=r[t+1],ee[2]=r[t+2],ee[3]=r[t+3],ro[0]}var no=new Float64Array([-0]),dt=new Uint8Array(no.buffer);function li(r,t,e){no[0]=r,t[e]=dt[0],t[e+1]=dt[1],t[e+2]=dt[2],t[e+3]=dt[3],t[e+4]=dt[4],t[e+5]=dt[5],t[e+6]=dt[6],t[e+7]=dt[7]}function di(r,t){return dt[0]=r[t],dt[1]=r[t+1],dt[2]=r[t+2],dt[3]=r[t+3],dt[4]=r[t+4],dt[5]=r[t+5],dt[6]=r[t+6],dt[7]=r[t+7],no[0]}var Vf=BigInt(Number.MAX_SAFE_INTEGER),Ff=BigInt(Number.MIN_SAFE_INTEGER),At=class r{lo;hi;constructor(t,e){this.lo=t|0,this.hi=e|0}toNumber(t=!1){if(!t&&this.hi>>>31>0){let e=~this.lo+1>>>0,n=~this.hi>>>0;return e===0&&(n=n+1>>>0),-(e+n*4294967296)}return this.lo+this.hi*4294967296}toBigInt(t=!1){if(t)return BigInt(this.lo>>>0)+(BigInt(this.hi>>>0)<<32n);if(this.hi>>>31){let e=~this.lo+1>>>0,n=~this.hi>>>0;return e===0&&(n=n+1>>>0),-(BigInt(e)+(BigInt(n)<<32n))}return BigInt(this.lo>>>0)+(BigInt(this.hi>>>0)<<32n)}toString(t=!1){return this.toBigInt(t).toString()}zzEncode(){let t=this.hi>>31;return this.hi=((this.hi<<1|this.lo>>>31)^t)>>>0,this.lo=(this.lo<<1^t)>>>0,this}zzDecode(){let t=-(this.lo&1);return this.lo=((this.lo>>>1|this.hi<<31)^t)>>>0,this.hi=(this.hi>>>1^t)>>>0,this}length(){let t=this.lo,e=(this.lo>>>28|this.hi<<4)>>>0,n=this.hi>>>24;return n===0?e===0?t<16384?t<128?1:2:t<2097152?3:4:e<16384?e<128?5:6:e<2097152?7:8:n<128?9:10}static fromBigInt(t){if(t===0n)return ue;if(t<Vf&&t>Ff)return this.fromNumber(Number(t));let e=t<0n;e&&(t=-t);let n=t>>32n,o=t-(n<<32n);return e&&(n=~n|0n,o=~o|0n,++o>pi&&(o=0n,++n>pi&&(n=0n))),new r(Number(o),Number(n))}static fromNumber(t){if(t===0)return ue;let e=t<0;e&&(t=-t);let n=t>>>0,o=(t-n)/4294967296>>>0;return e&&(o=~o>>>0,n=~n>>>0,++n>4294967295&&(n=0,++o>4294967295&&(o=0))),new r(n,o)}static from(t){return typeof t=="number"?r.fromNumber(t):typeof t=="bigint"?r.fromBigInt(t):typeof t=="string"?r.fromBigInt(BigInt(t)):t.low!=null||t.high!=null?new r(t.low>>>0,t.high>>>0):ue}},ue=new At(0,0);ue.toBigInt=function(){return 0n};ue.zzEncode=ue.zzDecode=function(){return this};ue.length=function(){return 1};var pi=4294967296n;function mi(r){let t=0,e=0;for(let n=0;n<r.length;++n)e=r.charCodeAt(n),e<128?t+=1:e<2048?t+=2:(e&64512)===55296&&(r.charCodeAt(n+1)&64512)===56320?(++n,t+=4):t+=3;return t}function yi(r,t,e){if(e-t<1)return"";let o,s=[],i=0,a;for(;t<e;)a=r[t++],a<128?s[i++]=a:a>191&&a<224?s[i++]=(a&31)<<6|r[t++]&63:a>239&&a<365?(a=((a&7)<<18|(r[t++]&63)<<12|(r[t++]&63)<<6|r[t++]&63)-65536,s[i++]=55296+(a>>10),s[i++]=56320+(a&1023)):s[i++]=(a&15)<<12|(r[t++]&63)<<6|r[t++]&63,i>8191&&((o??(o=[])).push(String.fromCharCode.apply(String,s)),i=0);return o!=null?(i>0&&o.push(String.fromCharCode.apply(String,s.slice(0,i))),o.join("")):String.fromCharCode.apply(String,s.slice(0,i))}function oo(r,t,e){let n=e,o,s;for(let i=0;i<r.length;++i)o=r.charCodeAt(i),o<128?t[e++]=o:o<2048?(t[e++]=o>>6|192,t[e++]=o&63|128):(o&64512)===55296&&((s=r.charCodeAt(i+1))&64512)===56320?(o=65536+((o&1023)<<10)+(s&1023),++i,t[e++]=o>>18|240,t[e++]=o>>12&63|128,t[e++]=o>>6&63|128,t[e++]=o&63|128):(t[e++]=o>>12|224,t[e++]=o>>6&63|128,t[e++]=o&63|128);return e-n}function Rt(r,t){return RangeError(`index out of range: ${r.pos} + ${t??1} > ${r.len}`)}function Dr(r,t){return(r[t-4]|r[t-3]<<8|r[t-2]<<16|r[t-1]<<24)>>>0}var so=class{buf;pos;len;_slice=Uint8Array.prototype.subarray;constructor(t){this.buf=t,this.pos=0,this.len=t.length}uint32(){let t=4294967295;if(t=(this.buf[this.pos]&127)>>>0,this.buf[this.pos++]<128||(t=(t|(this.buf[this.pos]&127)<<7)>>>0,this.buf[this.pos++]<128)||(t=(t|(this.buf[this.pos]&127)<<14)>>>0,this.buf[this.pos++]<128)||(t=(t|(this.buf[this.pos]&127)<<21)>>>0,this.buf[this.pos++]<128)||(t=(t|(this.buf[this.pos]&15)<<28)>>>0,this.buf[this.pos++]<128))return t;if((this.pos+=5)>this.len)throw this.pos=this.len,Rt(this,10);return t}int32(){return this.uint32()|0}sint32(){let t=this.uint32();return t>>>1^-(t&1)|0}bool(){return this.uint32()!==0}fixed32(){if(this.pos+4>this.len)throw Rt(this,4);return Dr(this.buf,this.pos+=4)}sfixed32(){if(this.pos+4>this.len)throw Rt(this,4);return Dr(this.buf,this.pos+=4)|0}float(){if(this.pos+4>this.len)throw Rt(this,4);let t=hi(this.buf,this.pos);return this.pos+=4,t}double(){if(this.pos+8>this.len)throw Rt(this,4);let t=di(this.buf,this.pos);return this.pos+=8,t}bytes(){let t=this.uint32(),e=this.pos,n=this.pos+t;if(n>this.len)throw Rt(this,t);return this.pos+=t,e===n?new Uint8Array(0):this.buf.subarray(e,n)}string(){let t=this.bytes();return yi(t,0,t.length)}skip(t){if(typeof t=="number"){if(this.pos+t>this.len)throw Rt(this,t);this.pos+=t}else do if(this.pos>=this.len)throw Rt(this);while((this.buf[this.pos++]&128)!==0);return this}skipType(t){switch(t){case 0:this.skip();break;case 1:this.skip(8);break;case 2:this.skip(this.uint32());break;case 3:for(;(t=this.uint32()&7)!==4;)this.skipType(t);break;case 5:this.skip(4);break;default:throw Error(`invalid wire type ${t} at offset ${this.pos}`)}return this}readLongVarint(){let t=new At(0,0),e=0;if(this.len-this.pos>4){for(;e<4;++e)if(t.lo=(t.lo|(this.buf[this.pos]&127)<<e*7)>>>0,this.buf[this.pos++]<128)return t;if(t.lo=(t.lo|(this.buf[this.pos]&127)<<28)>>>0,t.hi=(t.hi|(this.buf[this.pos]&127)>>4)>>>0,this.buf[this.pos++]<128)return t;e=0}else{for(;e<3;++e){if(this.pos>=this.len)throw Rt(this);if(t.lo=(t.lo|(this.buf[this.pos]&127)<<e*7)>>>0,this.buf[this.pos++]<128)return t}return t.lo=(t.lo|(this.buf[this.pos++]&127)<<e*7)>>>0,t}if(this.len-this.pos>4){for(;e<5;++e)if(t.hi=(t.hi|(this.buf[this.pos]&127)<<e*7+3)>>>0,this.buf