ethers.js/lib.esm/crypto/pbkdf2.js

/**
 *  A **Password-Based Key-Derivation Function** is designed to create
 *  a sequence of bytes suitible as a **key** from a human-rememberable
 *  password.
 *
 *  @_subsection: api/crypto:Passwords  [about-pbkdf]
 */
import { pbkdf2Sync } from "./crypto.js";
import { getBytes, hexlify } from "../utils/index.js";
let locked = false;
const _pbkdf2 = function (password, salt, iterations, keylen, algo) {
    return pbkdf2Sync(password, salt, iterations, keylen, algo);
};
let __pbkdf2 = _pbkdf2;
/**
 *  Return the [[link-pbkdf2]] for %%keylen%% bytes for %%password%% using
 *  the %%salt%% and using %%iterations%% of %%algo%%.
 *
 *  This PBKDF is outdated and should not be used in new projects, but is
 *  required to decrypt older files.
 */
export function pbkdf2(_password, _salt, iterations, keylen, algo) {
    const password = getBytes(_password, "password");
    const salt = getBytes(_salt, "salt");
    return hexlify(__pbkdf2(password, salt, iterations, keylen, algo));
}
pbkdf2._ = _pbkdf2;
pbkdf2.lock = function () { locked = true; };
pbkdf2.register = function (func) {
    if (locked) {
        throw new Error("pbkdf2 is locked");
    }
    __pbkdf2 = func;
};
Object.freeze(pbkdf2);
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