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• .. (вверх)
• [DIR] ..
• [FILE] crypto-browser.ts
• [FILE] crypto.ts
• [FILE] hmac.ts
• [FILE] index.ts
• [FILE] keccak.ts
• [FILE] pbkdf2.ts
• [FILE] random.ts
• [FILE] ripemd160.ts
• [FILE] scrypt.ts
• [FILE] sha2.ts
• [FILE] signature.ts
• [FILE] signing-key.ts

Просмотр файла: random.ts

/**
 *  A **Cryptographically Secure Random Value** is one that has been
 *  generated with additional care take to prevent side-channels
 *  from allowing others to detect it and prevent others from through
 *  coincidence generate the same values.
 *
 *  @_subsection: api/crypto:Random Values  [about-crypto-random]
 */
import { randomBytes as crypto_random } from "./crypto.js";

let locked = false;

const _randomBytes = function(length: number): Uint8Array {
    return new Uint8Array(crypto_random(length));
}

let __randomBytes = _randomBytes;

/**
 *  Return %%length%% bytes of cryptographically secure random data.
 *
 *  @example:
 *    randomBytes(8)
 *    //_result:
 */
export function randomBytes(length: number): Uint8Array {
    return __randomBytes(length);
}

randomBytes._ = _randomBytes;
randomBytes.lock = function(): void { locked = true; }
randomBytes.register = function(func: (length: number) => Uint8Array) {
    if (locked) { throw new Error("randomBytes is locked"); }
    __randomBytes = func;
}
Object.freeze(randomBytes);

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