chore: localfied react, react-dom and crypto-es
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client/static/crypto-es@3.1.0/evpkdf.mjs
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91
client/static/crypto-es@3.1.0/evpkdf.mjs
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import { Base, WordArray } from "./core.mjs";
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import { MD5Algo } from "./md5.mjs";
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//#region src/evpkdf.ts
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/**
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* This key derivation function is meant to conform with EVP_BytesToKey.
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* www.openssl.org/docs/crypto/EVP_BytesToKey.html
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*/
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var EvpKDFAlgo = class extends Base {
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cfg;
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/**
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* Initializes a newly created key derivation function.
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*
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* @param {Object} cfg (Optional) The configuration options to use for the derivation.
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*
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* @example
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*
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* const kdf = new EvpKDFAlgo();
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* const kdf = new EvpKDFAlgo({ keySize: 8 });
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* const kdf = new EvpKDFAlgo({ keySize: 8, iterations: 1000 });
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*/
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constructor(cfg) {
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super();
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/**
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* Configuration options.
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*
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* @property {number} keySize The key size in words to generate. Default: 4 (128 bits)
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* @property {Hasher} hasher The hash algorithm to use. Default: MD5
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* @property {number} iterations The number of iterations to perform. Default: 1
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*/
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this.cfg = Object.assign({}, {
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keySize: 128 / 32,
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hasher: MD5Algo,
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iterations: 1
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}, cfg);
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}
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/**
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* Derives a key from a password.
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*
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* @param {WordArray|string} password The password.
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* @param {WordArray|string} salt A salt.
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*
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* @return {WordArray} The derived key.
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*
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* @example
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*
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* const key = kdf.compute(password, salt);
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*/
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compute(password, salt) {
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let block;
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const { cfg } = this;
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const hasher = new cfg.hasher();
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const derivedKey = WordArray.create();
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const derivedKeyWords = derivedKey.words;
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const { keySize, iterations } = cfg;
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while (derivedKeyWords.length < keySize) {
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if (block) hasher.update(block);
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block = hasher.update(password).finalize(salt);
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hasher.reset();
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for (let i = 1; i < iterations; i += 1) {
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block = hasher.finalize(block);
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hasher.reset();
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}
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derivedKey.concat(block);
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}
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derivedKey.sigBytes = keySize * 4;
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return derivedKey;
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}
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};
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/**
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* Derives a key from a password.
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*
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* @param {WordArray|string} password The password.
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* @param {WordArray|string} salt A salt.
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* @param {Object} cfg (Optional) The configuration options to use for this computation.
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*
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* @return {WordArray} The derived key.
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*
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* @static
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*
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* @example
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*
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* var key = EvpKDF(password, salt);
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* var key = EvpKDF(password, salt, { keySize: 8 });
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* var key = EvpKDF(password, salt, { keySize: 8, iterations: 1000 });
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*/
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const EvpKDF = (password, salt, cfg) => new EvpKDFAlgo(cfg).compute(password, salt);
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//#endregion
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export { EvpKDF, EvpKDFAlgo };
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//# sourceMappingURL=evpkdf.mjs.map
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