chore: localfied react, react-dom and crypto-es
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93
client/static/crypto-es@3.1.0/rc4.mjs
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93
client/static/crypto-es@3.1.0/rc4.mjs
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import { StreamCipher } from "./cipher-core.mjs";
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//#region src/rc4.ts
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/**
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* RC4 stream cipher algorithm.
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*/
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var RC4Algo = class extends StreamCipher {
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static keySize = 256 / 32;
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static ivSize = 0;
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_S;
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_i;
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_j;
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generateKeystreamWord() {
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const S = this._S;
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let i = this._i;
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let j = this._j;
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let keystreamWord = 0;
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for (let n = 0; n < 4; n += 1) {
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i = (i + 1) % 256;
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j = (j + S[i]) % 256;
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const t = S[i];
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S[i] = S[j];
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S[j] = t;
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keystreamWord |= S[(S[i] + S[j]) % 256] << 24 - n * 8;
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}
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this._i = i;
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this._j = j;
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return keystreamWord;
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}
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_doReset() {
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const key = this._key;
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const keyWords = key.words;
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const keySigBytes = key.sigBytes;
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this._S = [];
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const S = this._S;
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for (let i = 0; i < 256; i += 1) S[i] = i;
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for (let i = 0, j = 0; i < 256; i += 1) {
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const keyByteIndex = i % keySigBytes;
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const keyByte = keyWords[keyByteIndex >>> 2] >>> 24 - keyByteIndex % 4 * 8 & 255;
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j = (j + S[i] + keyByte) % 256;
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const t = S[i];
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S[i] = S[j];
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S[j] = t;
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}
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this._j = 0;
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this._i = this._j;
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}
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_doProcessBlock(M, offset) {
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const _M = M;
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_M[offset] ^= this.generateKeystreamWord();
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}
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};
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/**
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* Shortcut functions to the cipher's object interface.
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*
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* @example
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*
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* var ciphertext = RC4.encrypt(message, key, cfg);
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* var plaintext = RC4.decrypt(ciphertext, key, cfg);
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*/
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const RC4 = StreamCipher._createHelper(RC4Algo);
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/**
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* Modified RC4 stream cipher algorithm.
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*/
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var RC4DropAlgo = class extends RC4Algo {
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constructor(xformMode, key, cfg) {
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super(xformMode, key, cfg);
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/**
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* Configuration options.
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*
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* @property {number} drop The number of keystream words to drop. Default 192
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*/
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if (this.cfg.drop === void 0) this.cfg.drop = 192;
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}
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_doReset() {
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super._doReset();
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const dropCount = this.cfg.drop || 192;
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for (let i = dropCount; i > 0; i -= 1) this.generateKeystreamWord();
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}
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};
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/**
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* Shortcut functions to the cipher's object interface.
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*
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* @example
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*
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* var ciphertext = RC4Drop.encrypt(message, key, cfg);
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* var plaintext = RC4Drop.decrypt(ciphertext, key, cfg);
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*/
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const RC4Drop = StreamCipher._createHelper(RC4DropAlgo);
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//#endregion
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export { RC4, RC4Algo, RC4Drop, RC4DropAlgo };
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//# sourceMappingURL=rc4.mjs.map
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