@bicycle-codes/simple-aes/dist/index.min.js

An easy way to use symmetric keys in browsers or node

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This is a bug please report`)}}equals(e){return r.equals(this,e)}static equals(e,t){let n=t;return n!=null&&e.code===n.code&&e.version===n.version&&Oe(e.multihash,n.multihash)}toString(e){return Ve(this,e)}toJSON(){return{"/":Ve(this)}}link(){return this}[Symbol.toStringTag]="CID";[Symbol.for("nodejs.util.inspect.custom")](){return`CID(${this.toString()})`}static asCID(e){if(e==null)return null;let t=e;if(t instanceof r)return t;if(t["/"]!=null&&t["/"]===t.bytes||t.asCID===t){let{version:n,code:i,multihash:s,bytes:a}=t;return new r(n,i,s,a??je(n,i,s.bytes))}else if(t[rr]===!0){let{version:n,multihash:i,code:s}=t,a=Ie(i);return r.create(n,s,a)}else return null}static create(e,t,n){if(typeof t!="number")throw new Error("String codecs are no longer supported");if(!(n.bytes instanceof Uint8Array))throw new Error("Invalid digest");switch(e){case 0:{if(t!==F)throw new Error(`Version 0 CID must use dag-pb (code: ${F}) block encoding`);return new r(e,t,n,n.bytes)}case 1:{let i=je(e,t,n.bytes);return new r(e,t,n,i)}default:throw new Error("Invalid version")}}static createV0(e){return r.create(0,F,e)}static createV1(e,t){return r.create(1,e,t)}static decode(e){let[t,n]=r.decodeFirst(e);if(n.length!==0)throw new Error("Incorrect length");return t}static decodeFirst(e){let t=r.inspectBytes(e),n=t.size-t.multihashSize,i=E(e.subarray(n,n+t.multihashSize));if(i.byteLength!==t.multihashSize)throw new Error("Incorrect length");let s=i.subarray(t.multihashSize-t.digestSize),a=new L(t.multihashCode,t.digestSize,s,i);return[t.version===0?r.createV0(a):r.createV1(t.codec,a),e.subarray(t.size)]}static inspectBytes(e){let t=0,n=o(()=>{let[D,G]=K(e.subarray(t));return t+=G,D},"next"),i=n(),s=F;if(i===18?(i=0,t=0):s=n(),i!==0&&i!==1)throw new RangeError(`Invalid CID version ${i}`);let a=t,c=n(),u=n(),M=t+u,h=M-a;return{version:i,codec:s,multihashCode:c,digestSize:u,multihashSize:h,size:M}}static parse(e,t){let[n,i]=Wt(e,t),s=r.decode(i);if(s.version===0&&e[0]!=="Q")throw Error("Version 0 CID string must not include multibase prefix");return le(s).set(n,e),s}};function Wt(r,e){switch(r[0]){case"Q":{let t=e??v;return[v.prefix,t.decode(`${v.prefix}${r}`)]}case v.prefix:{let t=e??v;return[v.prefix,t.decode(r)]}case z.prefix:{let t=e??z;return[z.prefix,t.decode(r)]}default:{if(e==null)throw Error("To parse non base32 or base58btc encoded CID multibase decoder must be provided");return[r[0],e.decode(r)]}}}o(Wt,"parseCIDtoBytes");function Zt(r,e,t){let{prefix:n}=t;if(n!==v.prefix)throw Error(`Cannot string encode V0 in ${t.name} encoding`);let i=e.get(n);if(i==null){let s=t.encode(r).slice(1);return e.set(n,s),s}else return i}o(Zt,"toStringV0");function er(r,e,t){let{prefix:n}=t,i=e.get(n);if(i==null){let s=t.encode(r);return e.set(n,s),s}else return i}o(er,"toStringV1");var F=112,tr=18;function je(r,e,t){let n=O(r),i=n+O(e),s=new Uint8Array(i+t.byteLength);return I(r,s,0),I(e,s,n),s.set(t,i),s}o(je,"encodeCID");var rr=Symbol.for("@ipld/js-cid/CID");var me={...ce,...te,...ae,...Z,...ee,...ne,...oe,...ie,...se,...re},zn={...he,...pe};function Ge(r,e,t,n){return{name:r,prefix:e,encoder:{name:r,prefix:e,encode:t},decoder:{decode:n}}}o(Ge,"createCodec");var $e=Ge("utf8","u",r=>"u"+new TextDecoder("utf8").decode(r),r=>new TextEncoder().encode(r.substring(1))),ye=Ge("ascii","a",r=>{let e="a";for(let t=0;t<r.length;t++)e+=String.fromCharCode(r[t]);return e},r=>{r=r.substring(1);let e=q(r.length);for(let t=0;t<r.length;t++)e[t]=r.charCodeAt(t);return e}),nr={utf8:$e,"utf-8":$e,hex:me.base16,latin1:ye,ascii:ye,binary:ye,...me},X=nr;function P(r,e="utf8"){let t=X[e];if(t==null)throw new Error(`Unsupported encoding "${e}"`);return t.decoder.decode(`${t.prefix}${r}`)}o(P,"fromString");function j(r,e="utf8"){let t=X[e];if(t==null)throw new Error(`Unsupported encoding "${e}"`);return t.encoder.encode(r).substring(1)}o(j,"toString");var be="base64pad",ke="base64url",$="AES-GCM";var ge=o(function(e,t){if(typeof e=="string")return t(e);if(typeof e=="object"&&e.byteLength!==void 0)return new Uint8Array(e).buffer;throw new Error("Improper value. Must be a string, ArrayBuffer, Uint8Array")},"normalizeToBuf");function xe(r,e){return P(e,r).buffer}o(xe,"base64ToArrBuf");var qe=o(r=>ge(r,e=>or(e,16)),"normalizeUtf16ToBuf");function or(r,e){let t=e===8?new Uint8Array(r.length):new Uint16Array(r.length);for(let n=0,i=r.length;n<i;n++)t[n]=r.charCodeAt(n);return t.buffer}o(or,"strToArrBuf");async function ir(r){let e=await A.subtle.exportKey("raw",r),t=new Uint8Array(e);return j(t,ke)}o(ir,"exportKey");var sr=(n=>(n[n.B128=128]="B128",n[n.B192=192]="B192",n[n.B256=256]="B256",n))(sr||{}),we=256;async function ho(r,e={length:we}){let t=await cr({length:e.length}),n=await ar(r.content,t,"AES-GCM"),i=j(n,be),s=await ir(t);return[{content:i},{key:s}]}o(ho,"encryptMessage");async function ar(r,e,t,n){let i=typeof r=="string"?P(r):r,s=n?await A.subtle.encrypt({name:t,iv:n},e,i):await fr(i,e,{alg:t});return new Uint8Array(s)}o(ar,"aesEncrypt");function cr(r){return A.subtle.generateKey({name:r?.alg||$,length:r?.length||we},!0,["encrypt","decrypt"])}o(cr,"createKey");var _e=64;async function fr(r,e,t){let n=qe(r),i=typeof e=="string"?await Ae(e,t):e,s=t?.alg||$,a=t?.iv||ur(12),c=await A.subtle.encrypt({name:s,iv:s==="AES-CTR"?void 0:a,counter:s==="AES-CTR"?new Uint8Array(a):void 0,length:s==="AES-CTR"?_e:void 0},i,n);return pr(a,c)}o(fr,"encryptBytes");function pr(r,e){let t=new Uint8Array(r),n=new Uint8Array(e),i=new Uint8Array(t.length+n.length);return i.set(t),i.set(n,t.length),i.buffer}o(pr,"joinBufs");function ur(r,{max:e}={max:255}){if(e<1||e>255)throw new Error("Max must be less than 256 and greater than 0");let t=new Uint8Array(r);if(e===255)return A.getRandomValues(t),t.buffer;let n=0,i=e+1,s=Math.floor(256/i)*i,a=new Uint8Array(1);for(;n<t.length;)A.getRandomValues(a),a[0]<s&&(t[n]=a[0]%i,n++);return t.buffer}o(ur,"randomBuf");function Ae(r,e){let t=xe("base64url",r);return A.subtle.importKey("raw",t,{name:e?.alg||$,length:e?.length||we},!0,["encrypt","decrypt"])}o(Ae,"importKey");async function lo(r,e){let t=await Ae(e),n=P(r.content,be),i=await dr(n,t,"AES-GCM");return{content:j(i)}}o(lo,"decryptMessage");async function dr(r,e,t,n){let i=n?await A.subtle.decrypt({name:t,iv:n},e,r):await hr(r,e,{alg:t});return new Uint8Array(i)}o(dr,"aesDecrypt");async function hr(r,e,t){let n=lr(r,"base64pad"),i=typeof e=="string"?await Ae(e,t):e,s=t?.alg||$,a=n.slice(0,12),c=n.slice(12);return await A.subtle.decrypt({name:s,iv:s==="AES-CTR"?void 0:a,counter:s==="AES-CTR"?new Uint8Array(a):void 0,length:s==="AES-CTR"?_e:void 0},i,c)}o(hr,"decryptBytes");function lr(r,e){return ge(r,xe.bind(null,e))}o(lr,"normalizeBase64ToBuf");export{we as DEFAULT_SYMM_LEN,sr as SymmKeyLength,dr as aesDecrypt,ar as aesEncrypt,lo as decryptMessage,fr as encryptBytes,ho as encryptMessage};
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