feat: Sync to OSS repo

packages/auth/src/random.ts

@@ -0,0 +1,24 @@
+import { timingSafeEqual } from 'node:crypto';
+
+export function generateUnbiasedDigits(length: number): string {
+	const result: number[] = [];
+	while (result.length < length) {
+		const buffer = crypto.getRandomValues(new Uint8Array(length * 2));
+		for (const byte of buffer) {
+			if (byte < 250 && result.length < length) {
+				result.push(byte % 10);
+			}
+		}
+	}
+	return result.join('');
+}
+
+export function timingSafeCompare(a: string, b: string): boolean {
+	if (typeof a !== 'string' || typeof b !== 'string') {
+		return false;
+	}
+	if (a.length !== b.length) {
+		return false;
+	}
+	return timingSafeEqual(Buffer.from(a), Buffer.from(b));
+}