denoland-deno/ext/node/polyfills/internal/crypto/_keys.ts

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { kKeyObject } from "internal:deno_node/polyfills/internal/crypto/constants.ts";

export const kKeyType = Symbol("kKeyType");

export function isKeyObject(obj: unknown): boolean {
  return (
    obj != null && (obj as Record<symbol, unknown>)[kKeyType] !== undefined
  );
}

export function isCryptoKey(obj: unknown): boolean {
  return (
    obj != null && (obj as Record<symbol, unknown>)[kKeyObject] !== undefined
  );
}