update electron to v43

electron/node_modules/@noble/hashes/webcrypto.js

@@ -0,0 +1,165 @@
+import {} from "./pbkdf2.js";
+import { abytes, ahash, anumber, checkOpts, kdfInputToBytes, } from "./utils.js";
+function _subtle() {
+    const cr = typeof globalThis === 'object' ? globalThis.crypto : null;
+    const sb = cr?.subtle;
+    if (typeof sb === 'object' && sb != null)
+        return sb;
+    throw new Error('crypto.subtle must be defined');
+}
+function createWebHash(name, blockLen, outputLen) {
+    const hashC = async (msg) => {
+        abytes(msg);
+        const crypto = _subtle();
+        return new Uint8Array(await crypto.digest(name, msg));
+    };
+    hashC.webCryptoName = name; // make sure it won't interfere with function name
+    hashC.outputLen = outputLen;
+    hashC.blockLen = blockLen;
+    hashC.create = () => {
+        // Present only so this async wrapper satisfies the shared
+        // hash-wrapper shape checked by `ahashWeb()`.
+        throw new Error('not implemented');
+    };
+    // Later WebCrypto HMAC/HKDF/PBKDF2 calls read descriptor metadata directly, so freezing prevents
+    // callers from retargeting a `sha256` wrapper into a different backend digest by mutation.
+    return Object.freeze(hashC);
+}
+function ahashWeb(hash) {
+    ahash(hash);
+    if (typeof hash.webCryptoName !== 'string')
+        throw new Error('non-web hash');
+}
+/** WebCrypto SHA1 (RFC 3174) legacy hash function. It was cryptographically broken. */
+// export const sha1: WebHash = createHash('SHA-1', 64, 20);
+/**
+ * WebCrypto SHA2-256 hash function from RFC 6234.
+ * @param msg - message bytes to hash
+ * @returns Promise resolving to digest bytes.
+ * @example
+ * Hash a message with WebCrypto SHA2-256.
+ * ```ts
+ * await sha256(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const sha256 = /* @__PURE__ */ createWebHash('SHA-256', 64, 32);
+/**
+ * WebCrypto SHA2-384 hash function from RFC 6234.
+ * @param msg - message bytes to hash
+ * @returns Promise resolving to digest bytes.
+ * @example
+ * Hash a message with WebCrypto SHA2-384.
+ * ```ts
+ * await sha384(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const sha384 = /* @__PURE__ */ createWebHash('SHA-384', 128, 48);
+/**
+ * WebCrypto SHA2-512 hash function from RFC 6234.
+ * @param msg - message bytes to hash
+ * @returns Promise resolving to digest bytes.
+ * @example
+ * Hash a message with WebCrypto SHA2-512.
+ * ```ts
+ * await sha512(new Uint8Array([97, 98, 99]));
+ * ```
+ */
+export const sha512 = /* @__PURE__ */ createWebHash('SHA-512', 128, 64);
+export const hmac = /* @__PURE__ */ (() => {
+    const hmac_ = async (hash, key, message) => {
+        const crypto = _subtle();
+        abytes(key, undefined, 'key');
+        abytes(message, undefined, 'message');
+        ahashWeb(hash);
+        // WebCrypto keys can't be zeroized
+        // prettier-ignore
+        const wkey = await crypto.importKey('raw', key, { name: 'HMAC', hash: hash.webCryptoName }, false, ['sign']);
+        return new Uint8Array(await crypto.sign('HMAC', wkey, message));
+    };
+    hmac_.create = (_hash, _key) => {
+        throw new Error('not implemented');
+    };
+    return hmac_;
+})();
+/**
+ * WebCrypto HKDF (RFC 5869): derive keys from an initial input.
+ * Combines hkdf_extract + hkdf_expand in one step
+ * @param hash - hash function that would be used (e.g. sha256). Webcrypto version.
+ * @param ikm - input keying material, the initial key
+ * @param salt - optional salt value (a non-secret random value)
+ * @param info - optional context and application specific information bytes
+ * @param length - length of output keying material in bytes.
+ *   RFC 5869 §2.3 allows `0..255*HashLen`, so `0` requests an empty OKM.
+ * @returns Promise resolving to derived key bytes.
+ * The RFC `L <= 255 * HashLen` bound is currently enforced only by backend
+ * `deriveBits()` rejection, not by an explicit library-side guard.
+ * @throws If the current runtime does not provide `crypto.subtle`. {@link Error}
+ * @example
+ * WebCrypto HKDF (RFC 5869): derive keys from an initial input.
+ * ```ts
+ * import { hkdf, sha256 } from '@noble/hashes/webcrypto.js';
+ * import { randomBytes, utf8ToBytes } from '@noble/hashes/utils.js';
+ * const inputKey = randomBytes(32);
+ * const salt = randomBytes(32);
+ * const info = utf8ToBytes('application-key');
+ * const okm = await hkdf(sha256, inputKey, salt, info, 32);
+ * ```
+ */
+export async function hkdf(hash, ikm, salt, info, length) {
+    const crypto = _subtle();
+    ahashWeb(hash);
+    abytes(ikm, undefined, 'ikm');
+    anumber(length, 'length');
+    if (salt !== undefined)
+        abytes(salt, undefined, 'salt');
+    if (info !== undefined)
+        abytes(info, undefined, 'info');
+    const wkey = await crypto.importKey('raw', ikm, 'HKDF', false, ['deriveBits']);
+    const opts = {
+        name: 'HKDF',
+        hash: hash.webCryptoName,
+        salt: salt === undefined ? new Uint8Array(0) : salt,
+        info: info === undefined ? new Uint8Array(0) : info,
+    };
+    return new Uint8Array(await crypto.deriveBits(opts, wkey, 8 * length));
+}
+/**
+ * WebCrypto PBKDF2-HMAC: RFC 8018 key derivation function.
+ * @param hash - hash function that would be used e.g. sha256. Webcrypto version.
+ * @param password - password from which a derived key is generated; string
+ *   inputs are normalized through `kdfInputToBytes()`, i.e. UTF-8
+ * @param salt - cryptographic salt; string inputs are normalized through
+ *   `kdfInputToBytes()`, i.e. UTF-8
+ * @param opts - PBKDF2 work factor and output settings. `dkLen`, if provided,
+ *   must be `>= 1` per RFC 8018 §5.2. See {@link Pbkdf2Opt}.
+ * @returns Promise resolving to derived key bytes.
+ * Positive-iteration enforcement is currently delegated to backend
+ * `deriveBits()` rejection (for example `c = 0`), not a dedicated
+ * library-side guard.
+ * @throws If the current runtime does not provide `crypto.subtle`. {@link Error}
+ * @example
+ * WebCrypto PBKDF2-HMAC: RFC 2898 key derivation function.
+ * ```ts
+ * import { pbkdf2, sha256 } from '@noble/hashes/webcrypto.js';
+ * const key = await pbkdf2(sha256, 'password', 'salt', { dkLen: 32, c: Math.pow(2, 18) });
+ * ```
+ */
+export async function pbkdf2(hash, password, salt, opts) {
+    const crypto = _subtle();
+    ahashWeb(hash);
+    const _opts = checkOpts({ dkLen: 32 }, opts);
+    const { c, dkLen } = _opts;
+    anumber(c, 'c');
+    anumber(dkLen, 'dkLen');
+    // RFC 8018 §5.2 defines dkLen as a positive integer.
+    if (dkLen < 1)
+        throw new Error('"dkLen" must be >= 1');
+    const _password = kdfInputToBytes(password, 'password');
+    const _salt = kdfInputToBytes(salt, 'salt');
+    const key = await crypto.importKey('raw', _password, 'PBKDF2', false, [
+        'deriveBits',
+    ]);
+    const deriveOpts = { name: 'PBKDF2', salt: _salt, iterations: c, hash: hash.webCryptoName };
+    return new Uint8Array(await crypto.deriveBits(deriveOpts, key, 8 * dkLen));
+}
+//# sourceMappingURL=webcrypto.js.map