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system/node_modules/ethers/lib.commonjs/crypto/pbkdf2.js

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+"use strict";
+/**
+ *  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]
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.pbkdf2 = void 0;
+const crypto_js_1 = require("./crypto.js");
+const index_js_1 = require("../utils/index.js");
+let locked = false;
+const _pbkdf2 = function (password, salt, iterations, keylen, algo) {
+    return (0, crypto_js_1.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+ *  This PBKDF is outdated and should not be used in new projects, but is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.
+ *
+ *  @example:
+ *    // The password must be converted to bytes, and it is generally
+ *    // best practices to ensure the string has been normalized. Many
+ *    // formats explicitly indicate the normalization form to use.
+ *    password = "hello"
+ *    passwordBytes = toUtf8Bytes(password, "NFKC")
+ *
+ *    salt = id("some-salt")
+ *
+ *    // Compute the PBKDF2
+ *    pbkdf2(passwordBytes, salt, 1024, 16, "sha256")
+ *    //_result:
+ */
+function pbkdf2(_password, _salt, iterations, keylen, algo) {
+    const password = (0, index_js_1.getBytes)(_password, "password");
+    const salt = (0, index_js_1.getBytes)(_salt, "salt");
+    return (0, index_js_1.hexlify)(__pbkdf2(password, salt, iterations, keylen, algo));
+}
+exports.pbkdf2 = pbkdf2;
+pbkdf2._ = _pbkdf2;
+pbkdf2.lock = function () { locked = true; };
+pbkdf2.register = function (func) {
+    if (locked) {
+        throw new Error("pbkdf2 is locked");
+    }
+    __pbkdf2 = func;
+};
+Object.freeze(pbkdf2);
+//# sourceMappingURL=pbkdf2.js.map