// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.

/// <reference no-default-lib="true" />
/// <reference lib="esnext" />

declare var crypto: Crypto;

declare interface Crypto {
  readonly subtle: SubtleCrypto;
  getRandomValues<
    T extends
      | Int8Array
      | Int16Array
      | Int32Array
      | Uint8Array
      | Uint16Array
      | Uint32Array
      | Uint8ClampedArray
      | Float32Array
      | Float64Array
      | DataView
      | null,
  >(
    array: T,
  ): T;
  randomUUID(): string;
}

interface Algorithm {
  name: string;
}

/** This Web Crypto API interface provides a number of low-level cryptographic functions. It is accessed via the Crypto.subtle properties available in a window context (via Window.crypto). */
interface SubtleCrypto {
  digest(
    algorithm: AlgorithmIdentifier,
    data:
      | Int8Array
      | Int16Array
      | Int32Array
      | Uint8Array
      | Uint16Array
      | Uint32Array
      | Uint8ClampedArray
      | Float32Array
      | Float64Array
      | DataView
      | ArrayBuffer,
  ): Promise<ArrayBuffer>;
}

declare var SubtleCrypto: {
  prototype: SubtleCrypto;
  new (): SubtleCrypto;
};

type AlgorithmIdentifier = string | Algorithm;