update electron to v43

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

@@ -0,0 +1,93 @@
+/**
+ * HMAC: RFC2104 message authentication code.
+ * @module
+ */
+import { abytes, aexists, ahash, aoutput, clean, } from "./utils.js";
+/**
+ * Internal class for HMAC.
+ * Accepts any byte key, although RFC 2104 §3 recommends keys at least
+ * `HashLen` bytes long.
+ */
+export class _HMAC {
+    oHash;
+    iHash;
+    blockLen;
+    outputLen;
+    canXOF = false;
+    finished = false;
+    destroyed = false;
+    constructor(hash, key) {
+        ahash(hash);
+        abytes(key, undefined, 'key');
+        this.iHash = hash.create();
+        if (typeof this.iHash.update !== 'function')
+            throw new Error('Expected instance of class which extends utils.Hash');
+        this.blockLen = this.iHash.blockLen;
+        this.outputLen = this.iHash.outputLen;
+        const blockLen = this.blockLen;
+        const pad = new Uint8Array(blockLen);
+        // blockLen can be bigger than outputLen
+        pad.set(key.length > blockLen ? hash.create().update(key).digest() : key);
+        for (let i = 0; i < pad.length; i++)
+            pad[i] ^= 0x36;
+        this.iHash.update(pad);
+        // By doing update (processing of the first block) of the outer hash here,
+        // we can re-use it between multiple calls via clone.
+        this.oHash = hash.create();
+        // Undo internal XOR && apply outer XOR
+        for (let i = 0; i < pad.length; i++)
+            pad[i] ^= 0x36 ^ 0x5c;
+        this.oHash.update(pad);
+        clean(pad);
+    }
+    update(buf) {
+        aexists(this);
+        this.iHash.update(buf);
+        return this;
+    }
+    digestInto(out) {
+        aexists(this);
+        aoutput(out, this);
+        this.finished = true;
+        const buf = out.subarray(0, this.outputLen);
+        // Reuse the first outputLen bytes for the inner digest; the outer hash consumes them before
+        // overwriting that same prefix with the final tag, leaving any oversized tail untouched.
+        this.iHash.digestInto(buf);
+        this.oHash.update(buf);
+        this.oHash.digestInto(buf);
+        this.destroy();
+    }
+    digest() {
+        const out = new Uint8Array(this.oHash.outputLen);
+        this.digestInto(out);
+        return out;
+    }
+    _cloneInto(to) {
+        // Create new instance without calling constructor since the key
+        // is already in state and we don't know it.
+        to ||= Object.create(Object.getPrototypeOf(this), {});
+        const { oHash, iHash, finished, destroyed, blockLen, outputLen } = this;
+        to = to;
+        to.finished = finished;
+        to.destroyed = destroyed;
+        to.blockLen = blockLen;
+        to.outputLen = outputLen;
+        to.oHash = oHash._cloneInto(to.oHash);
+        to.iHash = iHash._cloneInto(to.iHash);
+        return to;
+    }
+    clone() {
+        return this._cloneInto();
+    }
+    destroy() {
+        this.destroyed = true;
+        this.oHash.destroy();
+        this.iHash.destroy();
+    }
+}
+export const hmac = /* @__PURE__ */ (() => {
+    const hmac_ = ((hash, key, message) => new _HMAC(hash, key).update(message).digest());
+    hmac_.create = (hash, key) => new _HMAC(hash, key);
+    return hmac_;
+})();
+//# sourceMappingURL=hmac.js.map