BREAKING(std): reorganization (#5087)

* Prepend underscores to private modules
* Remove collectUint8Arrays() It would be a misuse of Deno.iter()'s result.
* Move std/_util/async.ts to std/async
* Move std/util/sha*.ts to std/hash

9 files changed, 0 insertions, 1550 deletions

diff --git a/std/util/async.ts b/std/util/async.ts
deleted file mode 100644
index bb50e482d..000000000
--- a/std/util/async.ts
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-
-// TODO(ry) It'd be better to make Deferred a class that inherits from
-// Promise, rather than an interface. This is possible in ES2016, however
-// typescript produces broken code when targeting ES5 code.
-// See https://github.com/Microsoft/TypeScript/issues/15202
-// At the time of writing, the github issue is closed but the problem remains.
-export interface Deferred<T> extends Promise<T> {
-  resolve: (value?: T | PromiseLike<T>) => void;
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  reject: (reason?: any) => void;
-}
-
-/** Creates a Promise with the `reject` and `resolve` functions
- * placed as methods on the promise object itself. It allows you to do:
- *
- *     const p = deferred<number>();
- *     // ...
- *     p.resolve(42);
- */
-export function deferred<T>(): Deferred<T> {
-  let methods;
-  const promise = new Promise<T>((resolve, reject): void => {
-    methods = { resolve, reject };
-  });
-  return Object.assign(promise, methods) as Deferred<T>;
-}
-
-interface TaggedYieldedValue<T> {
-  iterator: AsyncIterableIterator<T>;
-  value: T;
-}
-
-/** The MuxAsyncIterator class multiplexes multiple async iterators into a
- * single stream. It currently makes a few assumptions:
- * - The iterators do not throw.
- * - The final result (the value returned and not yielded from the iterator)
- *   does not matter; if there is any, it is discarded.
- */
-export class MuxAsyncIterator<T> implements AsyncIterable<T> {
-  private iteratorCount = 0;
-  private yields: Array<TaggedYieldedValue<T>> = [];
-  private signal: Deferred<void> = deferred();
-
-  add(iterator: AsyncIterableIterator<T>): void {
-    ++this.iteratorCount;
-    this.callIteratorNext(iterator);
-  }
-
-  private async callIteratorNext(
-    iterator: AsyncIterableIterator<T>
-  ): Promise<void> {
-    const { value, done } = await iterator.next();
-    if (done) {
-      --this.iteratorCount;
-    } else {
-      this.yields.push({ iterator, value });
-    }
-    this.signal.resolve();
-  }
-
-  async *iterate(): AsyncIterableIterator<T> {
-    while (this.iteratorCount > 0) {
-      // Sleep until any of the wrapped iterators yields.
-      await this.signal;
-
-      // Note that while we're looping over `yields`, new items may be added.
-      for (let i = 0; i < this.yields.length; i++) {
-        const { iterator, value } = this.yields[i];
-        yield value;
-        this.callIteratorNext(iterator);
-      }
-
-      // Clear the `yields` list and reset the `signal` promise.
-      this.yields.length = 0;
-      this.signal = deferred();
-    }
-  }
-
-  [Symbol.asyncIterator](): AsyncIterableIterator<T> {
-    return this.iterate();
-  }
-}
-
-/** Collects all Uint8Arrays from an AsyncIterable and retuns a single
- * Uint8Array with the concatenated contents of all the collected arrays.
- */
-export async function collectUint8Arrays(
-  it: AsyncIterable<Uint8Array>
-): Promise<Uint8Array> {
-  const chunks = [];
-  let length = 0;
-  for await (const chunk of it) {
-    chunks.push(chunk);
-    length += chunk.length;
-  }
-  if (chunks.length === 1) {
-    // No need to copy.
-    return chunks[0];
-  }
-  const collected = new Uint8Array(length);
-  let offset = 0;
-  for (const chunk of chunks) {
-    collected.set(chunk, offset);
-    offset += chunk.length;
-  }
-  return collected;
-}
-
-// Delays the given milliseconds and resolves.
-export function delay(ms: number): Promise<void> {
-  return new Promise((res): number =>
-    setTimeout((): void => {
-      res();
-    }, ms)
-  );
-}
diff --git a/std/util/async_test.ts b/std/util/async_test.ts
deleted file mode 100644
index f3f17312a..000000000
--- a/std/util/async_test.ts
+++ /dev/null
@@ -1,76 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-const { test } = Deno;
-import { assert, assertEquals, assertStrictEq } from "../testing/asserts.ts";
-import { collectUint8Arrays, deferred, MuxAsyncIterator } from "./async.ts";
-
-test("asyncDeferred", function (): Promise<void> {
-  const d = deferred<number>();
-  d.resolve(12);
-  return Promise.resolve();
-});
-
-// eslint-disable-next-line require-await
-async function* gen123(): AsyncIterableIterator<number> {
-  yield 1;
-  yield 2;
-  yield 3;
-}
-
-// eslint-disable-next-line require-await
-async function* gen456(): AsyncIterableIterator<number> {
-  yield 4;
-  yield 5;
-  yield 6;
-}
-
-test("asyncMuxAsyncIterator", async function (): Promise<void> {
-  const mux = new MuxAsyncIterator<number>();
-  mux.add(gen123());
-  mux.add(gen456());
-  const results = new Set();
-  for await (const value of mux) {
-    results.add(value);
-  }
-  assertEquals(results.size, 6);
-});
-
-test("collectUint8Arrays0", async function (): Promise<void> {
-  async function* gen(): AsyncIterableIterator<Uint8Array> {}
-  const result = await collectUint8Arrays(gen());
-  assert(result instanceof Uint8Array);
-  assertEquals(result.length, 0);
-});
-
-test("collectUint8Arrays0", async function (): Promise<void> {
-  async function* gen(): AsyncIterableIterator<Uint8Array> {}
-  const result = await collectUint8Arrays(gen());
-  assert(result instanceof Uint8Array);
-  assertStrictEq(result.length, 0);
-});
-
-test("collectUint8Arrays1", async function (): Promise<void> {
-  const buf = new Uint8Array([1, 2, 3]);
-  // eslint-disable-next-line require-await
-  async function* gen(): AsyncIterableIterator<Uint8Array> {
-    yield buf;
-  }
-  const result = await collectUint8Arrays(gen());
-  assertStrictEq(result, buf);
-  assertStrictEq(result.length, 3);
-});
-
-test("collectUint8Arrays4", async function (): Promise<void> {
-  // eslint-disable-next-line require-await
-  async function* gen(): AsyncIterableIterator<Uint8Array> {
-    yield new Uint8Array([1, 2, 3]);
-    yield new Uint8Array([]);
-    yield new Uint8Array([4, 5]);
-    yield new Uint8Array([6]);
-  }
-  const result = await collectUint8Arrays(gen());
-  assert(result instanceof Uint8Array);
-  assertStrictEq(result.length, 6);
-  for (let i = 0; i < 6; i++) {
-    assertStrictEq(result[i], i + 1);
-  }
-});
diff --git a/std/util/deep_assign.ts b/std/util/deep_assign.ts
deleted file mode 100644
index 9034d89bd..000000000
--- a/std/util/deep_assign.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-import { assert } from "../testing/asserts.ts";
-
-export function deepAssign(
-  target: Record<string, unknown>,
-  ...sources: object[]
-): object | undefined {
-  for (let i = 0; i < sources.length; i++) {
-    const source = sources[i];
-    if (!source || typeof source !== `object`) {
-      return;
-    }
-    Object.entries(source).forEach(([key, value]: [string, unknown]): void => {
-      if (value instanceof Date) {
-        target[key] = new Date(value);
-        return;
-      }
-      if (!value || typeof value !== `object`) {
-        target[key] = value;
-        return;
-      }
-      if (Array.isArray(value)) {
-        target[key] = [];
-      }
-      // value is an Object
-      if (typeof target[key] !== `object` || !target[key]) {
-        target[key] = {};
-      }
-      assert(value);
-      deepAssign(target[key] as Record<string, unknown>, value);
-    });
-  }
-  return target;
-}
diff --git a/std/util/deep_assign_test.ts b/std/util/deep_assign_test.ts
deleted file mode 100644
index f1a56e1ad..000000000
--- a/std/util/deep_assign_test.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-const { test } = Deno;
-import { assertEquals, assert } from "../testing/asserts.ts";
-import { deepAssign } from "./deep_assign.ts";
-
-test("deepAssignTest", function (): void {
-  const date = new Date("1979-05-27T07:32:00Z");
-  const reg = RegExp(/DENOWOWO/);
-  const obj1 = { deno: { bar: { deno: ["is", "not", "node"] } } };
-  const obj2 = { foo: { deno: date } };
-  const obj3 = { foo: { bar: "deno" }, reg: reg };
-  const actual = deepAssign(obj1, obj2, obj3);
-  const expected = {
-    foo: {
-      deno: new Date("1979-05-27T07:32:00Z"),
-      bar: "deno",
-    },
-    deno: { bar: { deno: ["is", "not", "node"] } },
-    reg: RegExp(/DENOWOWO/),
-  };
-  assert(date !== expected.foo.deno);
-  assert(reg !== expected.reg);
-  assertEquals(actual, expected);
-});
diff --git a/std/util/has_own_property.ts b/std/util/has_own_property.ts
deleted file mode 100644
index 351905cec..000000000
--- a/std/util/has_own_property.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-
-/**
- * Determines whether an object has a property with the specified name.
- * Avoid calling prototype builtin `hasOwnProperty` for two reasons:
- *
- * 1. `hasOwnProperty` is defined on the object as something else:
- *
- *      const options = {
- *        ending: 'utf8',
- *        hasOwnProperty: 'foo'
- *      };
- *      options.hasOwnProperty('ending') // throws a TypeError
- *
- * 2. The object doesn't inherit from `Object.prototype`:
- *
- *       const options = Object.create(null);
- *       options.ending = 'utf8';
- *       options.hasOwnProperty('ending'); // throws a TypeError
- *
- * @param obj A Object.
- * @param v A property name.
- * @see https://eslint.org/docs/rules/no-prototype-builtins
- */
-export function hasOwnProperty<T>(obj: T, v: PropertyKey): boolean {
-  if (obj == null) {
-    return false;
-  }
-  return Object.prototype.hasOwnProperty.call(obj, v);
-}
diff --git a/std/util/sha1.ts b/std/util/sha1.ts
deleted file mode 100644
index f47192554..000000000
--- a/std/util/sha1.ts
+++ /dev/null
@@ -1,374 +0,0 @@
-/*
- * [js-sha1]{@link https://github.com/emn178/js-sha1}
- *
- * @version 0.6.0
- * @author Chen, Yi-Cyuan [emn178@gmail.com]
- * @copyright Chen, Yi-Cyuan 2014-2017
- * @license MIT
- */
-
-const HEX_CHARS = "0123456789abcdef".split("");
-const EXTRA = Uint32Array.of(-2147483648, 8388608, 32768, 128);
-const SHIFT = Uint32Array.of(24, 16, 8, 0);
-
-const blocks = new Uint32Array(80);
-
-export class Sha1 {
-  #blocks: Uint32Array;
-  #block: number;
-  #start: number;
-  #bytes: number;
-  #hBytes: number;
-  #finalized: boolean;
-  #hashed: boolean;
-
-  #h0 = 0x67452301;
-  #h1 = 0xefcdab89;
-  #h2 = 0x98badcfe;
-  #h3 = 0x10325476;
-  #h4 = 0xc3d2e1f0;
-  #lastByteIndex = 0;
-
-  constructor(sharedMemory = false) {
-    if (sharedMemory) {
-      this.#blocks = blocks.fill(0, 0, 17);
-    } else {
-      this.#blocks = new Uint32Array(80);
-    }
-
-    this.#h0 = 0x67452301;
-    this.#h1 = 0xefcdab89;
-    this.#h2 = 0x98badcfe;
-    this.#h3 = 0x10325476;
-    this.#h4 = 0xc3d2e1f0;
-
-    this.#block = this.#start = this.#bytes = this.#hBytes = 0;
-    this.#finalized = this.#hashed = false;
-  }
-
-  update(data: string | ArrayBuffer | ArrayBufferView): Sha1 {
-    if (this.#finalized) {
-      return this;
-    }
-    let notString = true;
-    let message;
-    if (data instanceof ArrayBuffer) {
-      message = new Uint8Array(data);
-    } else if (ArrayBuffer.isView(data)) {
-      message = new Uint8Array(data.buffer);
-    } else {
-      notString = false;
-      message = String(data);
-    }
-    let code;
-    let index = 0;
-    let i;
-    const start = this.#start;
-    const length = message.length || 0;
-    const blocks = this.#blocks;
-
-    while (index < length) {
-      if (this.#hashed) {
-        this.#hashed = false;
-        blocks[0] = this.#block;
-        blocks.fill(0, 1, 17);
-      }
-
-      if (notString) {
-        for (i = start; index < length && i < 64; ++index) {
-          blocks[i >> 2] |= (message[index] as number) << SHIFT[i++ & 3];
-        }
-      } else {
-        for (i = start; index < length && i < 64; ++index) {
-          code = (message as string).charCodeAt(index);
-          if (code < 0x80) {
-            blocks[i >> 2] |= code << SHIFT[i++ & 3];
-          } else if (code < 0x800) {
-            blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
-          } else if (code < 0xd800 || code >= 0xe000) {
-            blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
-          } else {
-            code =
-              0x10000 +
-              (((code & 0x3ff) << 10) |
-                ((message as string).charCodeAt(++index) & 0x3ff));
-            blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
-          }
-        }
-      }
-
-      this.#lastByteIndex = i;
-      this.#bytes += i - start;
-      if (i >= 64) {
-        this.#block = blocks[16];
-        this.#start = i - 64;
-        this.hash();
-        this.#hashed = true;
-      } else {
-        this.#start = i;
-      }
-    }
-    if (this.#bytes > 4294967295) {
-      this.#hBytes += (this.#bytes / 4294967296) >>> 0;
-      this.#bytes = this.#bytes >>> 0;
-    }
-    return this;
-  }
-
-  finalize(): void {
-    if (this.#finalized) {
-      return;
-    }
-    this.#finalized = true;
-    const blocks = this.#blocks;
-    const i = this.#lastByteIndex;
-    blocks[16] = this.#block;
-    blocks[i >> 2] |= EXTRA[i & 3];
-    this.#block = blocks[16];
-    if (i >= 56) {
-      if (!this.#hashed) {
-        this.hash();
-      }
-      blocks[0] = this.#block;
-      blocks.fill(0, 1, 17);
-    }
-    blocks[14] = (this.#hBytes << 3) | (this.#bytes >>> 29);
-    blocks[15] = this.#bytes << 3;
-    this.hash();
-  }
-
-  hash(): void {
-    let a = this.#h0;
-    let b = this.#h1;
-    let c = this.#h2;
-    let d = this.#h3;
-    let e = this.#h4;
-    let f, j, t;
-    const blocks = this.#blocks;
-
-    for (j = 16; j < 80; ++j) {
-      t = blocks[j - 3] ^ blocks[j - 8] ^ blocks[j - 14] ^ blocks[j - 16];
-      blocks[j] = (t << 1) | (t >>> 31);
-    }
-
-    for (j = 0; j < 20; j += 5) {
-      f = (b & c) | (~b & d);
-      t = (a << 5) | (a >>> 27);
-      e = (t + f + e + 1518500249 + blocks[j]) >>> 0;
-      b = (b << 30) | (b >>> 2);
-
-      f = (a & b) | (~a & c);
-      t = (e << 5) | (e >>> 27);
-      d = (t + f + d + 1518500249 + blocks[j + 1]) >>> 0;
-      a = (a << 30) | (a >>> 2);
-
-      f = (e & a) | (~e & b);
-      t = (d << 5) | (d >>> 27);
-      c = (t + f + c + 1518500249 + blocks[j + 2]) >>> 0;
-      e = (e << 30) | (e >>> 2);
-
-      f = (d & e) | (~d & a);
-      t = (c << 5) | (c >>> 27);
-      b = (t + f + b + 1518500249 + blocks[j + 3]) >>> 0;
-      d = (d << 30) | (d >>> 2);
-
-      f = (c & d) | (~c & e);
-      t = (b << 5) | (b >>> 27);
-      a = (t + f + a + 1518500249 + blocks[j + 4]) >>> 0;
-      c = (c << 30) | (c >>> 2);
-    }
-
-    for (; j < 40; j += 5) {
-      f = b ^ c ^ d;
-      t = (a << 5) | (a >>> 27);
-      e = (t + f + e + 1859775393 + blocks[j]) >>> 0;
-      b = (b << 30) | (b >>> 2);
-
-      f = a ^ b ^ c;
-      t = (e << 5) | (e >>> 27);
-      d = (t + f + d + 1859775393 + blocks[j + 1]) >>> 0;
-      a = (a << 30) | (a >>> 2);
-
-      f = e ^ a ^ b;
-      t = (d << 5) | (d >>> 27);
-      c = (t + f + c + 1859775393 + blocks[j + 2]) >>> 0;
-      e = (e << 30) | (e >>> 2);
-
-      f = d ^ e ^ a;
-      t = (c << 5) | (c >>> 27);
-      b = (t + f + b + 1859775393 + blocks[j + 3]) >>> 0;
-      d = (d << 30) | (d >>> 2);
-
-      f = c ^ d ^ e;
-      t = (b << 5) | (b >>> 27);
-      a = (t + f + a + 1859775393 + blocks[j + 4]) >>> 0;
-      c = (c << 30) | (c >>> 2);
-    }
-
-    for (; j < 60; j += 5) {
-      f = (b & c) | (b & d) | (c & d);
-      t = (a << 5) | (a >>> 27);
-      e = (t + f + e - 1894007588 + blocks[j]) >>> 0;
-      b = (b << 30) | (b >>> 2);
-
-      f = (a & b) | (a & c) | (b & c);
-      t = (e << 5) | (e >>> 27);
-      d = (t + f + d - 1894007588 + blocks[j + 1]) >>> 0;
-      a = (a << 30) | (a >>> 2);
-
-      f = (e & a) | (e & b) | (a & b);
-      t = (d << 5) | (d >>> 27);
-      c = (t + f + c - 1894007588 + blocks[j + 2]) >>> 0;
-      e = (e << 30) | (e >>> 2);
-
-      f = (d & e) | (d & a) | (e & a);
-      t = (c << 5) | (c >>> 27);
-      b = (t + f + b - 1894007588 + blocks[j + 3]) >>> 0;
-      d = (d << 30) | (d >>> 2);
-
-      f = (c & d) | (c & e) | (d & e);
-      t = (b << 5) | (b >>> 27);
-      a = (t + f + a - 1894007588 + blocks[j + 4]) >>> 0;
-      c = (c << 30) | (c >>> 2);
-    }
-
-    for (; j < 80; j += 5) {
-      f = b ^ c ^ d;
-      t = (a << 5) | (a >>> 27);
-      e = (t + f + e - 899497514 + blocks[j]) >>> 0;
-      b = (b << 30) | (b >>> 2);
-
-      f = a ^ b ^ c;
-      t = (e << 5) | (e >>> 27);
-      d = (t + f + d - 899497514 + blocks[j + 1]) >>> 0;
-      a = (a << 30) | (a >>> 2);
-
-      f = e ^ a ^ b;
-      t = (d << 5) | (d >>> 27);
-      c = (t + f + c - 899497514 + blocks[j + 2]) >>> 0;
-      e = (e << 30) | (e >>> 2);
-
-      f = d ^ e ^ a;
-      t = (c << 5) | (c >>> 27);
-      b = (t + f + b - 899497514 + blocks[j + 3]) >>> 0;
-      d = (d << 30) | (d >>> 2);
-
-      f = c ^ d ^ e;
-      t = (b << 5) | (b >>> 27);
-      a = (t + f + a - 899497514 + blocks[j + 4]) >>> 0;
-      c = (c << 30) | (c >>> 2);
-    }
-
-    this.#h0 = (this.#h0 + a) >>> 0;
-    this.#h1 = (this.#h1 + b) >>> 0;
-    this.#h2 = (this.#h2 + c) >>> 0;
-    this.#h3 = (this.#h3 + d) >>> 0;
-    this.#h4 = (this.#h4 + e) >>> 0;
-  }
-
-  hex(): string {
-    this.finalize();
-
-    const h0 = this.#h0;
-    const h1 = this.#h1;
-    const h2 = this.#h2;
-    const h3 = this.#h3;
-    const h4 = this.#h4;
-
-    return (
-      HEX_CHARS[(h0 >> 28) & 0x0f] +
-      HEX_CHARS[(h0 >> 24) & 0x0f] +
-      HEX_CHARS[(h0 >> 20) & 0x0f] +
-      HEX_CHARS[(h0 >> 16) & 0x0f] +
-      HEX_CHARS[(h0 >> 12) & 0x0f] +
-      HEX_CHARS[(h0 >> 8) & 0x0f] +
-      HEX_CHARS[(h0 >> 4) & 0x0f] +
-      HEX_CHARS[h0 & 0x0f] +
-      HEX_CHARS[(h1 >> 28) & 0x0f] +
-      HEX_CHARS[(h1 >> 24) & 0x0f] +
-      HEX_CHARS[(h1 >> 20) & 0x0f] +
-      HEX_CHARS[(h1 >> 16) & 0x0f] +
-      HEX_CHARS[(h1 >> 12) & 0x0f] +
-      HEX_CHARS[(h1 >> 8) & 0x0f] +
-      HEX_CHARS[(h1 >> 4) & 0x0f] +
-      HEX_CHARS[h1 & 0x0f] +
-      HEX_CHARS[(h2 >> 28) & 0x0f] +
-      HEX_CHARS[(h2 >> 24) & 0x0f] +
-      HEX_CHARS[(h2 >> 20) & 0x0f] +
-      HEX_CHARS[(h2 >> 16) & 0x0f] +
-      HEX_CHARS[(h2 >> 12) & 0x0f] +
-      HEX_CHARS[(h2 >> 8) & 0x0f] +
-      HEX_CHARS[(h2 >> 4) & 0x0f] +
-      HEX_CHARS[h2 & 0x0f] +
-      HEX_CHARS[(h3 >> 28) & 0x0f] +
-      HEX_CHARS[(h3 >> 24) & 0x0f] +
-      HEX_CHARS[(h3 >> 20) & 0x0f] +
-      HEX_CHARS[(h3 >> 16) & 0x0f] +
-      HEX_CHARS[(h3 >> 12) & 0x0f] +
-      HEX_CHARS[(h3 >> 8) & 0x0f] +
-      HEX_CHARS[(h3 >> 4) & 0x0f] +
-      HEX_CHARS[h3 & 0x0f] +
-      HEX_CHARS[(h4 >> 28) & 0x0f] +
-      HEX_CHARS[(h4 >> 24) & 0x0f] +
-      HEX_CHARS[(h4 >> 20) & 0x0f] +
-      HEX_CHARS[(h4 >> 16) & 0x0f] +
-      HEX_CHARS[(h4 >> 12) & 0x0f] +
-      HEX_CHARS[(h4 >> 8) & 0x0f] +
-      HEX_CHARS[(h4 >> 4) & 0x0f] +
-      HEX_CHARS[h4 & 0x0f]
-    );
-  }
-
-  toString(): string {
-    return this.hex();
-  }
-
-  digest(): number[] {
-    this.finalize();
-
-    const h0 = this.#h0;
-    const h1 = this.#h1;
-    const h2 = this.#h2;
-    const h3 = this.#h3;
-    const h4 = this.#h4;
-
-    return [
-      (h0 >> 24) & 0xff,
-      (h0 >> 16) & 0xff,
-      (h0 >> 8) & 0xff,
-      h0 & 0xff,
-      (h1 >> 24) & 0xff,
-      (h1 >> 16) & 0xff,
-      (h1 >> 8) & 0xff,
-      h1 & 0xff,
-      (h2 >> 24) & 0xff,
-      (h2 >> 16) & 0xff,
-      (h2 >> 8) & 0xff,
-      h2 & 0xff,
-      (h3 >> 24) & 0xff,
-      (h3 >> 16) & 0xff,
-      (h3 >> 8) & 0xff,
-      h3 & 0xff,
-      (h4 >> 24) & 0xff,
-      (h4 >> 16) & 0xff,
-      (h4 >> 8) & 0xff,
-      h4 & 0xff,
-    ];
-  }
-
-  array(): number[] {
-    return this.digest();
-  }
-
-  arrayBuffer(): ArrayBuffer {
-    this.finalize();
-    return Uint32Array.of(this.#h0, this.#h1, this.#h2, this.#h3, this.#h4)
-      .buffer;
-  }
-}
diff --git a/std/util/sha1_test.ts b/std/util/sha1_test.ts
deleted file mode 100644
index 159bdd94d..000000000
--- a/std/util/sha1_test.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-const { test } = Deno;
-import { assertEquals } from "../testing/asserts.ts";
-import { Sha1 } from "./sha1.ts";
-
-test("[util/sha] test1", () => {
-  const sha1 = new Sha1();
-  sha1.update("abcde");
-  assertEquals(sha1.toString(), "03de6c570bfe24bfc328ccd7ca46b76eadaf4334");
-});
-
-test("[util/sha] testWithArray", () => {
-  const data = Uint8Array.of(0x61, 0x62, 0x63, 0x64, 0x65);
-  const sha1 = new Sha1();
-  sha1.update(data);
-  assertEquals(sha1.toString(), "03de6c570bfe24bfc328ccd7ca46b76eadaf4334");
-});
-
-test("[util/sha] testSha1WithBuffer", () => {
-  const data = Uint8Array.of(0x61, 0x62, 0x63, 0x64, 0x65);
-  const sha1 = new Sha1();
-  sha1.update(data.buffer);
-  assertEquals(sha1.toString(), "03de6c570bfe24bfc328ccd7ca46b76eadaf4334");
-});
diff --git a/std/util/sha256.ts b/std/util/sha256.ts
deleted file mode 100644
index 02fff94d1..000000000
--- a/std/util/sha256.ts
+++ /dev/null
@@ -1,575 +0,0 @@
-/*
- * Adapted to deno from:
- *
- * [js-sha256]{@link https://github.com/emn178/js-sha256}
- *
- * @version 0.9.0
- * @author Chen, Yi-Cyuan [emn178@gmail.com]
- * @copyright Chen, Yi-Cyuan 2014-2017
- * @license MIT
- */
-
-export type Message = string | number[] | ArrayBuffer | Uint8Array;
-
-const ERROR = "input is invalid type";
-const HEX_CHARS = "0123456789abcdef".split("");
-const EXTRA = [-2147483648, 8388608, 32768, 128] as const;
-const SHIFT = [24, 16, 8, 0] as const;
-// prettier-ignore
-// dprint-ignore
-const K = [
-  0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1,
-  0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
-  0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786,
-  0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
-  0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147,
-  0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
-  0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, 0xa2bfe8a1, 0xa81a664b,
-  0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
-  0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a,
-  0x5b9cca4f, 0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
-  0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2,
-] as const;
-
-const blocks: number[] = [];
-
-export class Sha256 {
-  #block!: number;
-  #blocks!: number[];
-  #bytes!: number;
-  #finalized!: boolean;
-  #first!: boolean;
-  #h0!: number;
-  #h1!: number;
-  #h2!: number;
-  #h3!: number;
-  #h4!: number;
-  #h5!: number;
-  #h6!: number;
-  #h7!: number;
-  #hashed!: boolean;
-  #hBytes!: number;
-  #is224!: boolean;
-  #lastByteIndex = 0;
-  #start!: number;
-
-  constructor(is224 = false, sharedMemory = false) {
-    this.init(is224, sharedMemory);
-  }
-
-  protected init(is224: boolean, sharedMemory: boolean): void {
-    if (sharedMemory) {
-      blocks[0] = blocks[16] = blocks[1] = blocks[2] = blocks[3] = blocks[4] = blocks[5] = blocks[6] = blocks[7] = blocks[8] = blocks[9] = blocks[10] = blocks[11] = blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
-      this.#blocks = blocks;
-    } else {
-      this.#blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
-    }
-
-    if (is224) {
-      this.#h0 = 0xc1059ed8;
-      this.#h1 = 0x367cd507;
-      this.#h2 = 0x3070dd17;
-      this.#h3 = 0xf70e5939;
-      this.#h4 = 0xffc00b31;
-      this.#h5 = 0x68581511;
-      this.#h6 = 0x64f98fa7;
-      this.#h7 = 0xbefa4fa4;
-    } else {
-      // 256
-      this.#h0 = 0x6a09e667;
-      this.#h1 = 0xbb67ae85;
-      this.#h2 = 0x3c6ef372;
-      this.#h3 = 0xa54ff53a;
-      this.#h4 = 0x510e527f;
-      this.#h5 = 0x9b05688c;
-      this.#h6 = 0x1f83d9ab;
-      this.#h7 = 0x5be0cd19;
-    }
-
-    this.#block = this.#start = this.#bytes = this.#hBytes = 0;
-    this.#finalized = this.#hashed = false;
-    this.#first = true;
-    this.#is224 = is224;
-  }
-
-  /** Update hash
-   *
-   * @param message The message you want to hash.
-   */
-  update(message: Message): this {
-    if (this.#finalized) {
-      return this;
-    }
-    let msg: string | number[] | Uint8Array | undefined;
-    if (typeof message !== "string") {
-      if (typeof message === "object") {
-        if (message === null) {
-          throw new Error(ERROR);
-        } else if (message instanceof ArrayBuffer) {
-          msg = new Uint8Array(message);
-        } else if (!Array.isArray(message)) {
-          if (!ArrayBuffer.isView(message)) {
-            throw new Error(ERROR);
-          }
-        }
-      } else {
-        throw new Error(ERROR);
-      }
-    }
-    if (msg === undefined) {
-      msg = message as string | number[];
-    }
-    let index = 0;
-    const length = msg.length;
-    const blocks = this.#blocks;
-
-    while (index < length) {
-      let i: number;
-      if (this.#hashed) {
-        this.#hashed = false;
-        blocks[0] = this.#block;
-        blocks[16] = blocks[1] = blocks[2] = blocks[3] = blocks[4] = blocks[5] = blocks[6] = blocks[7] = blocks[8] = blocks[9] = blocks[10] = blocks[11] = blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
-      }
-
-      if (typeof msg !== "string") {
-        for (i = this.#start; index < length && i < 64; ++index) {
-          blocks[i >> 2] |= msg[index] << SHIFT[i++ & 3];
-        }
-      } else {
-        for (i = this.#start; index < length && i < 64; ++index) {
-          let code = msg.charCodeAt(index);
-          if (code < 0x80) {
-            blocks[i >> 2] |= code << SHIFT[i++ & 3];
-          } else if (code < 0x800) {
-            blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
-          } else if (code < 0xd800 || code >= 0xe000) {
-            blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
-          } else {
-            code =
-              0x10000 +
-              (((code & 0x3ff) << 10) | (msg.charCodeAt(++index) & 0x3ff));
-            blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
-            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
-          }
-        }
-      }
-
-      this.#lastByteIndex = i;
-      this.#bytes += i - this.#start;
-      if (i >= 64) {
-        this.#block = blocks[16];
-        this.#start = i - 64;
-        this.hash();
-        this.#hashed = true;
-      } else {
-        this.#start = i;
-      }
-    }
-    if (this.#bytes > 4294967295) {
-      this.#hBytes += (this.#bytes / 4294967296) << 0;
-      this.#bytes = this.#bytes % 4294967296;
-    }
-    return this;
-  }
-
-  protected finalize(): void {
-    if (this.#finalized) {
-      return;
-    }
-    this.#finalized = true;
-    const blocks = this.#blocks;
-    const i = this.#lastByteIndex;
-    blocks[16] = this.#block;
-    blocks[i >> 2] |= EXTRA[i & 3];
-    this.#block = blocks[16];
-    if (i >= 56) {
-      if (!this.#hashed) {
-        this.hash();
-      }
-      blocks[0] = this.#block;
-      blocks[16] = blocks[1] = blocks[2] = blocks[3] = blocks[4] = blocks[5] = blocks[6] = blocks[7] = blocks[8] = blocks[9] = blocks[10] = blocks[11] = blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
-    }
-    blocks[14] = (this.#hBytes << 3) | (this.#bytes >>> 29);
-    blocks[15] = this.#bytes << 3;
-    this.hash();
-  }
-
-  protected hash(): void {
-    let a = this.#h0;
-    let b = this.#h1;
-    let c = this.#h2;
-    let d = this.#h3;
-    let e = this.#h4;
-    let f = this.#h5;
-    let g = this.#h6;
-    let h = this.#h7;
-    const blocks = this.#blocks;
-    let s0: number;
-    let s1: number;
-    let maj: number;
-    let t1: number;
-    let t2: number;
-    let ch: number;
-    let ab: number;
-    let da: number;
-    let cd: number;
-    let bc: number;
-
-    for (let j = 16; j < 64; ++j) {
-      // rightrotate
-      t1 = blocks[j - 15];
-      s0 = ((t1 >>> 7) | (t1 << 25)) ^ ((t1 >>> 18) | (t1 << 14)) ^ (t1 >>> 3);
-      t1 = blocks[j - 2];
-      s1 =
-        ((t1 >>> 17) | (t1 << 15)) ^ ((t1 >>> 19) | (t1 << 13)) ^ (t1 >>> 10);
-      blocks[j] = (blocks[j - 16] + s0 + blocks[j - 7] + s1) << 0;
-    }
-
-    bc = b & c;
-    for (let j = 0; j < 64; j += 4) {
-      if (this.#first) {
-        if (this.#is224) {
-          ab = 300032;
-          t1 = blocks[0] - 1413257819;
-          h = (t1 - 150054599) << 0;
-          d = (t1 + 24177077) << 0;
-        } else {
-          ab = 704751109;
-          t1 = blocks[0] - 210244248;
-          h = (t1 - 1521486534) << 0;
-          d = (t1 + 143694565) << 0;
-        }
-        this.#first = false;
-      } else {
-        s0 =
-          ((a >>> 2) | (a << 30)) ^
-          ((a >>> 13) | (a << 19)) ^
-          ((a >>> 22) | (a << 10));
-        s1 =
-          ((e >>> 6) | (e << 26)) ^
-          ((e >>> 11) | (e << 21)) ^
-          ((e >>> 25) | (e << 7));
-        ab = a & b;
-        maj = ab ^ (a & c) ^ bc;
-        ch = (e & f) ^ (~e & g);
-        t1 = h + s1 + ch + K[j] + blocks[j];
-        t2 = s0 + maj;
-        h = (d + t1) << 0;
-        d = (t1 + t2) << 0;
-      }
-      s0 =
-        ((d >>> 2) | (d << 30)) ^
-        ((d >>> 13) | (d << 19)) ^
-        ((d >>> 22) | (d << 10));
-      s1 =
-        ((h >>> 6) | (h << 26)) ^
-        ((h >>> 11) | (h << 21)) ^
-        ((h >>> 25) | (h << 7));
-      da = d & a;
-      maj = da ^ (d & b) ^ ab;
-      ch = (h & e) ^ (~h & f);
-      t1 = g + s1 + ch + K[j + 1] + blocks[j + 1];
-      t2 = s0 + maj;
-      g = (c + t1) << 0;
-      c = (t1 + t2) << 0;
-      s0 =
-        ((c >>> 2) | (c << 30)) ^
-        ((c >>> 13) | (c << 19)) ^
-        ((c >>> 22) | (c << 10));
-      s1 =
-        ((g >>> 6) | (g << 26)) ^
-        ((g >>> 11) | (g << 21)) ^
-        ((g >>> 25) | (g << 7));
-      cd = c & d;
-      maj = cd ^ (c & a) ^ da;
-      ch = (g & h) ^ (~g & e);
-      t1 = f + s1 + ch + K[j + 2] + blocks[j + 2];
-      t2 = s0 + maj;
-      f = (b + t1) << 0;
-      b = (t1 + t2) << 0;
-      s0 =
-        ((b >>> 2) | (b << 30)) ^
-        ((b >>> 13) | (b << 19)) ^
-        ((b >>> 22) | (b << 10));
-      s1 =
-        ((f >>> 6) | (f << 26)) ^
-        ((f >>> 11) | (f << 21)) ^
-        ((f >>> 25) | (f << 7));
-      bc = b & c;
-      maj = bc ^ (b & d) ^ cd;
-      ch = (f & g) ^ (~f & h);
-      t1 = e + s1 + ch + K[j + 3] + blocks[j + 3];
-      t2 = s0 + maj;
-      e = (a + t1) << 0;
-      a = (t1 + t2) << 0;
-    }
-
-    this.#h0 = (this.#h0 + a) << 0;
-    this.#h1 = (this.#h1 + b) << 0;
-    this.#h2 = (this.#h2 + c) << 0;
-    this.#h3 = (this.#h3 + d) << 0;
-    this.#h4 = (this.#h4 + e) << 0;
-    this.#h5 = (this.#h5 + f) << 0;
-    this.#h6 = (this.#h6 + g) << 0;
-    this.#h7 = (this.#h7 + h) << 0;
-  }
-
-  /** Return hash in hex string. */
-  hex(): string {
-    this.finalize();
-
-    const h0 = this.#h0;
-    const h1 = this.#h1;
-    const h2 = this.#h2;
-    const h3 = this.#h3;
-    const h4 = this.#h4;
-    const h5 = this.#h5;
-    const h6 = this.#h6;
-    const h7 = this.#h7;
-
-    let hex =
-      HEX_CHARS[(h0 >> 28) & 0x0f] +
-      HEX_CHARS[(h0 >> 24) & 0x0f] +
-      HEX_CHARS[(h0 >> 20) & 0x0f] +
-      HEX_CHARS[(h0 >> 16) & 0x0f] +
-      HEX_CHARS[(h0 >> 12) & 0x0f] +
-      HEX_CHARS[(h0 >> 8) & 0x0f] +
-      HEX_CHARS[(h0 >> 4) & 0x0f] +
-      HEX_CHARS[h0 & 0x0f] +
-      HEX_CHARS[(h1 >> 28) & 0x0f] +
-      HEX_CHARS[(h1 >> 24) & 0x0f] +
-      HEX_CHARS[(h1 >> 20) & 0x0f] +
-      HEX_CHARS[(h1 >> 16) & 0x0f] +
-      HEX_CHARS[(h1 >> 12) & 0x0f] +
-      HEX_CHARS[(h1 >> 8) & 0x0f] +
-      HEX_CHARS[(h1 >> 4) & 0x0f] +
-      HEX_CHARS[h1 & 0x0f] +
-      HEX_CHARS[(h2 >> 28) & 0x0f] +
-      HEX_CHARS[(h2 >> 24) & 0x0f] +
-      HEX_CHARS[(h2 >> 20) & 0x0f] +
-      HEX_CHARS[(h2 >> 16) & 0x0f] +
-      HEX_CHARS[(h2 >> 12) & 0x0f] +
-      HEX_CHARS[(h2 >> 8) & 0x0f] +
-      HEX_CHARS[(h2 >> 4) & 0x0f] +
-      HEX_CHARS[h2 & 0x0f] +
-      HEX_CHARS[(h3 >> 28) & 0x0f] +
-      HEX_CHARS[(h3 >> 24) & 0x0f] +
-      HEX_CHARS[(h3 >> 20) & 0x0f] +
-      HEX_CHARS[(h3 >> 16) & 0x0f] +
-      HEX_CHARS[(h3 >> 12) & 0x0f] +
-      HEX_CHARS[(h3 >> 8) & 0x0f] +
-      HEX_CHARS[(h3 >> 4) & 0x0f] +
-      HEX_CHARS[h3 & 0x0f] +
-      HEX_CHARS[(h4 >> 28) & 0x0f] +
-      HEX_CHARS[(h4 >> 24) & 0x0f] +
-      HEX_CHARS[(h4 >> 20) & 0x0f] +
-      HEX_CHARS[(h4 >> 16) & 0x0f] +
-      HEX_CHARS[(h4 >> 12) & 0x0f] +
-      HEX_CHARS[(h4 >> 8) & 0x0f] +
-      HEX_CHARS[(h4 >> 4) & 0x0f] +
-      HEX_CHARS[h4 & 0x0f] +
-      HEX_CHARS[(h5 >> 28) & 0x0f] +
-      HEX_CHARS[(h5 >> 24) & 0x0f] +
-      HEX_CHARS[(h5 >> 20) & 0x0f] +
-      HEX_CHARS[(h5 >> 16) & 0x0f] +
-      HEX_CHARS[(h5 >> 12) & 0x0f] +
-      HEX_CHARS[(h5 >> 8) & 0x0f] +
-      HEX_CHARS[(h5 >> 4) & 0x0f] +
-      HEX_CHARS[h5 & 0x0f] +
-      HEX_CHARS[(h6 >> 28) & 0x0f] +
-      HEX_CHARS[(h6 >> 24) & 0x0f] +
-      HEX_CHARS[(h6 >> 20) & 0x0f] +
-      HEX_CHARS[(h6 >> 16) & 0x0f] +
-      HEX_CHARS[(h6 >> 12) & 0x0f] +
-      HEX_CHARS[(h6 >> 8) & 0x0f] +
-      HEX_CHARS[(h6 >> 4) & 0x0f] +
-      HEX_CHARS[h6 & 0x0f];
-    if (!this.#is224) {
-      hex +=
-        HEX_CHARS[(h7 >> 28) & 0x0f] +
-        HEX_CHARS[(h7 >> 24) & 0x0f] +
-        HEX_CHARS[(h7 >> 20) & 0x0f] +
-        HEX_CHARS[(h7 >> 16) & 0x0f] +
-        HEX_CHARS[(h7 >> 12) & 0x0f] +
-        HEX_CHARS[(h7 >> 8) & 0x0f] +
-        HEX_CHARS[(h7 >> 4) & 0x0f] +
-        HEX_CHARS[h7 & 0x0f];
-    }
-    return hex;
-  }
-
-  /** Return hash in hex string. */
-  toString(): string {
-    return this.hex();
-  }
-
-  /** Return hash in integer array. */
-  digest(): number[] {
-    this.finalize();
-
-    const h0 = this.#h0;
-    const h1 = this.#h1;
-    const h2 = this.#h2;
-    const h3 = this.#h3;
-    const h4 = this.#h4;
-    const h5 = this.#h5;
-    const h6 = this.#h6;
-    const h7 = this.#h7;
-
-    const arr = [
-      (h0 >> 24) & 0xff,
-      (h0 >> 16) & 0xff,
-      (h0 >> 8) & 0xff,
-      h0 & 0xff,
-      (h1 >> 24) & 0xff,
-      (h1 >> 16) & 0xff,
-      (h1 >> 8) & 0xff,
-      h1 & 0xff,
-      (h2 >> 24) & 0xff,
-      (h2 >> 16) & 0xff,
-      (h2 >> 8) & 0xff,
-      h2 & 0xff,
-      (h3 >> 24) & 0xff,
-      (h3 >> 16) & 0xff,
-      (h3 >> 8) & 0xff,
-      h3 & 0xff,
-      (h4 >> 24) & 0xff,
-      (h4 >> 16) & 0xff,
-      (h4 >> 8) & 0xff,
-      h4 & 0xff,
-      (h5 >> 24) & 0xff,
-      (h5 >> 16) & 0xff,
-      (h5 >> 8) & 0xff,
-      h5 & 0xff,
-      (h6 >> 24) & 0xff,
-      (h6 >> 16) & 0xff,
-      (h6 >> 8) & 0xff,
-      h6 & 0xff,
-    ];
-    if (!this.#is224) {
-      arr.push(
-        (h7 >> 24) & 0xff,
-        (h7 >> 16) & 0xff,
-        (h7 >> 8) & 0xff,
-        h7 & 0xff
-      );
-    }
-    return arr;
-  }
-
-  /** Return hash in integer array. */
-  array(): number[] {
-    return this.digest();
-  }
-
-  /** Return hash in ArrayBuffer. */
-  arrayBuffer(): ArrayBuffer {
-    this.finalize();
-
-    const buffer = new ArrayBuffer(this.#is224 ? 28 : 32);
-    const dataView = new DataView(buffer);
-    dataView.setUint32(0, this.#h0);
-    dataView.setUint32(4, this.#h1);
-    dataView.setUint32(8, this.#h2);
-    dataView.setUint32(12, this.#h3);
-    dataView.setUint32(16, this.#h4);
-    dataView.setUint32(20, this.#h5);
-    dataView.setUint32(24, this.#h6);
-    if (!this.#is224) {
-      dataView.setUint32(28, this.#h7);
-    }
-    return buffer;
-  }
-}
-
-export class HmacSha256 extends Sha256 {
-  #inner: boolean;
-  #is224: boolean;
-  #oKeyPad: number[];
-  #sharedMemory: boolean;
-
-  constructor(secretKey: Message, is224 = false, sharedMemory = false) {
-    super(is224, sharedMemory);
-
-    let key: number[] | Uint8Array | undefined;
-    if (typeof secretKey === "string") {
-      const bytes: number[] = [];
-      const length = secretKey.length;
-      let index = 0;
-      for (let i = 0; i < length; ++i) {
-        let code = secretKey.charCodeAt(i);
-        if (code < 0x80) {
-          bytes[index++] = code;
-        } else if (code < 0x800) {
-          bytes[index++] = 0xc0 | (code >> 6);
-          bytes[index++] = 0x80 | (code & 0x3f);
-        } else if (code < 0xd800 || code >= 0xe000) {
-          bytes[index++] = 0xe0 | (code >> 12);
-          bytes[index++] = 0x80 | ((code >> 6) & 0x3f);
-          bytes[index++] = 0x80 | (code & 0x3f);
-        } else {
-          code =
-            0x10000 +
-            (((code & 0x3ff) << 10) | (secretKey.charCodeAt(++i) & 0x3ff));
-          bytes[index++] = 0xf0 | (code >> 18);
-          bytes[index++] = 0x80 | ((code >> 12) & 0x3f);
-          bytes[index++] = 0x80 | ((code >> 6) & 0x3f);
-          bytes[index++] = 0x80 | (code & 0x3f);
-        }
-      }
-      key = bytes;
-    } else {
-      if (typeof secretKey === "object") {
-        if (secretKey === null) {
-          throw new Error(ERROR);
-        } else if (secretKey instanceof ArrayBuffer) {
-          key = new Uint8Array(secretKey);
-        } else if (!Array.isArray(secretKey)) {
-          if (!ArrayBuffer.isView(secretKey)) {
-            throw new Error(ERROR);
-          }
-        }
-      } else {
-        throw new Error(ERROR);
-      }
-    }
-    if (key === undefined) {
-      key = secretKey as number[] | Uint8Array;
-    }
-
-    if (key.length > 64) {
-      key = new Sha256(is224, true).update(key).array();
-    }
-
-    const oKeyPad: number[] = [];
-    const iKeyPad: number[] = [];
-    for (let i = 0; i < 64; ++i) {
-      const b = key[i] || 0;
-      oKeyPad[i] = 0x5c ^ b;
-      iKeyPad[i] = 0x36 ^ b;
-    }
-
-    this.update(iKeyPad);
-    this.#oKeyPad = oKeyPad;
-    this.#inner = true;
-    this.#is224 = is224;
-    this.#sharedMemory = sharedMemory;
-  }
-
-  protected finalize(): void {
-    super.finalize();
-    if (this.#inner) {
-      this.#inner = false;
-      const innerHash = this.array();
-      super.init(this.#is224, this.#sharedMemory);
-      this.update(this.#oKeyPad);
-      this.update(innerHash);
-      super.finalize();
-    }
-  }
-}
diff --git a/std/util/sha256_test.ts b/std/util/sha256_test.ts
deleted file mode 100644
index a38786943..000000000
--- a/std/util/sha256_test.ts
+++ /dev/null
@@ -1,296 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-import { Sha256, HmacSha256, Message } from "./sha256.ts";
-import { assertEquals } from "../testing/asserts.ts";
-
-const { test } = Deno;
-
-/** Handy function to convert an array/array buffer to a string of hex values. */
-function toHexString(value: number[] | ArrayBuffer): string {
-  const array = new Uint8Array(value);
-  let hex = "";
-  for (const v of array) {
-    const c = v.toString(16);
-    hex += c.length === 1 ? `0${c}` : c;
-  }
-  return hex;
-}
-
-// prettier-ignore
-// dprint-ignore
-const fixtures: {
-  sha256: Record<string, Record<string, Message>>;
-  sha224: Record<string, Record<string, Message>>;
-  sha256Hmac: Record<string, Record<string, [Message, Message]>>;
-  sha224Hmac: Record<string, Record<string, [Message, Message]>>;
-} = {
-  sha256: {
-    "ascii": {
-      "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855": "",
-      "d7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592": "The quick brown fox jumps over the lazy dog",
-      "ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c": "The quick brown fox jumps over the lazy dog."
-    },
-    "ascii more than 64 bytes": {
-      "54e73d89e1924fdcd056390266a983924b6d6d461e9470b6cd50bbaf69b5c54c": "The MD5 message-digest algorithm is a widely used cryptographic hash function producing a 128-bit (16-byte) hash value, typically expressed in text format as a 32 digit hexadecimal number. MD5 has been utilized in a wide variety of cryptographic applications, and is also commonly used to verify data integrity."
-    },
-    "UTF8": {
-      "72726d8818f693066ceb69afa364218b692e62ea92b385782363780f47529c21": "中文",
-      "53196d1acfce0c4b264e01e8018c989d571351f59e33f055f76ff15b4f0516c6": "aécio",
-      "8d10a48685dbc34484696de7ea7434d80a54c1d60100530faccf697463ef19c9": "𠜎"
-    },
-    "UTF8 more than 64 bytes": {
-      "d691014feebf35b3500ef6f6738d0094cac63628a7a018a980a40292a77703d1": "訊息摘要演算法第五版（英語：Message-Digest Algorithm 5，縮寫為MD5），是當前電腦領域用於確保資訊傳輸完整一致而廣泛使用的雜湊演算法之一",
-      "81a1472ebdeb09406a783d607ff49ee2fde3e9f44ac1cd158ad8d6ad3c4e69fa": "訊息摘要演算法第五版（英語：Message-Digest Algorithm 5，縮寫為MD5），是當前電腦領域用於確保資訊傳輸完整一致而廣泛使用的雜湊演算法之一（又譯雜湊演算法、摘要演算法等），主流程式語言普遍已有MD5的實作。"
-    },
-    "special length": {
-      "5e6b963e2b6444dab8544beab8532850cef2a9d143872a6a5384abe37e61b3db": "0123456780123456780123456780123456780123456780123456780",
-      "85d240a4a03a0710423fc4f701da51e8785c9eaa96d718ab1c7991d6afd60d62": "01234567801234567801234567801234567801234567801234567801",
-      "c3ee464d5620eb2dde3dfda4c7955dbd9e9e2e9b113c13983fc67b0dfd892a53": "0123456780123456780123456780123456780123456780123456780123456780",
-      "74b51c6911f9a8b5e7c499effe7604e43b672166818873c27752c248de434841": "01234567801234567801234567801234567801234567801234567801234567801234567",
-      "6fba9e623ae6abf028a1b195748814aa95eebfb22e3ec5e15d2444cd6c48186a": "012345678012345678012345678012345678012345678012345678012345678012345678"
-    },
-    "Array": {
-      "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855": [],
-      "182889f925ae4e5cc37118ded6ed87f7bdc7cab5ec5e78faef2e50048999473f": [211, 212],
-      "d7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592": [84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103],
-      "74b51c6911f9a8b5e7c499effe7604e43b672166818873c27752c248de434841": [48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55]
-    }
-  },
-  sha224: {
-    "ascii": {
-      "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f": "",
-      "730e109bd7a8a32b1cb9d9a09aa2325d2430587ddbc0c38bad911525": "The quick brown fox jumps over the lazy dog",
-      "619cba8e8e05826e9b8c519c0a5c68f4fb653e8a3d8aa04bb2c8cd4c": "The quick brown fox jumps over the lazy dog."
-    },
-    "ascii more than 64 bytes": {
-      "4d97e15967391d2e846ea7d21bb480efadbae5868b731e7cc6267006": "The MD5 message-digest algorithm is a widely used cryptographic hash function producing a 128-bit (16-byte) hash value, typically expressed in text format as a 32 digit hexadecimal number. MD5 has been utilized in a wide variety of cryptographic applications, and is also commonly used to verify data integrity."
-    },
-    "UTF8": {
-      "dfbab71afdf54388af4d55f8bd3de8c9b15e0eb916bf9125f4a959d4": "中文",
-      "d12841cafd89c534924a839e62bf35a2b5f3717b7802eb19bd8d8e15": "aécio",
-      "eaa0129b5509f5701db218fb7076b282e4409da52d06363aa3bdd63d": "𠜎"
-    },
-    "UTF8 more than 64 bytes": {
-      "0dda421f3f81272418e1313673e9d74b7f2d04efc9c52c69458e12c3": "訊息摘要演算法第五版（英語：Message-Digest Algorithm 5，縮寫為MD5），是當前電腦領域用於確保資訊傳輸完整一致而廣泛使用的雜湊演算法之一",
-      "a8cb74a54e6dc6ab6110db3915ba08ffe5e1abafaea78538fa12a626": "訊息摘要演算法第五版（英語：Message-Digest Algorithm 5，縮寫為MD5），是當前電腦領域用於確保資訊傳輸完整一致而廣泛使用的雜湊演算法之一（又譯雜湊演算法、摘要演算法等），主流程式語言普遍已有MD5的實作。"
-    },
-    "special length": {
-      "bc4a354d66f3cff4bc6dd6a88fbb0435cede7fd5fe94da0760cb1924": "0123456780123456780123456780123456780123456780123456780",
-      "2f148f757d1295784a7c69bf328b8bf827a536669e132234cd6f50e7": "01234567801234567801234567801234567801234567801234567801",
-      "496275a96bf41aa27ce89c3ae0fc63c3a3eab063887a8ea075bd091b": "0123456780123456780123456780123456780123456780123456780123456780",
-      "16ee1b101fe0e0d8dd156d598931ec19d75b0f8dc0a0455733c168c8": "01234567801234567801234567801234567801234567801234567801234567801234567",
-      "04c7a30079c640e440d884cdf0d7ab04fd05501d4498cb21be29ca1f": "012345678012345678012345678012345678012345678012345678012345678012345678"
-    },
-    "Array": {
-      "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f": [],
-      "730e109bd7a8a32b1cb9d9a09aa2325d2430587ddbc0c38bad911525": [84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103],
-      "16ee1b101fe0e0d8dd156d598931ec19d75b0f8dc0a0455733c168c8": [48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55, 56, 48, 49, 50, 51, 52, 53, 54, 55]
-    }
-  },
-  sha256Hmac: {
-    "Test Vectors": {
-      "b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7": [
-        [0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b],
-        "Hi There"
-      ],
-      "5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843": [
-        "Jefe",
-        "what do ya want for nothing?"
-      ],
-      "773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe": [
-        [0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa],
-        [0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd]
-      ],
-      "82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b": [
-        [0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19],
-        [0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd]
-      ],
-      "60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54": [
-        [0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa],
-        "Test Using Larger Than Block-Size Key - Hash Key First"
-      ],
-      "9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2": [
-        [0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa],
-        "This is a test using a larger than block-size key and a larger than block-size data. The key needs to be hashed before being used by the HMAC algorithm."
-      ]
-    },
-    "UTF8": {
-      "865cc329d317f6d9fdbd183a3c5cc5fd4c370d11f98abbbb404bceb1e6392c7e": ["中文", "中文"],
-      "efeef87be5731506b69bb64a9898a456dd12c94834c36a4d8ba99e3db79ad7ed": ["aécio", "aécio"],
-      "8a6e527049b9cfc7e1c84bcf356a1289c95da68a586c03de3327f3de0d3737fe": ["𠜎", "𠜎"]
-    }
-  },
-  sha224Hmac: {
-    "Test Vectors": {
-      "896fb1128abbdf196832107cd49df33f47b4b1169912ba4f53684b22": [
-        [0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b],
-        "Hi There"
-      ],
-      "a30e01098bc6dbbf45690f3a7e9e6d0f8bbea2a39e6148008fd05e44": [
-        "Jefe",
-        "what do ya want for nothing?"
-      ],
-      "7fb3cb3588c6c1f6ffa9694d7d6ad2649365b0c1f65d69d1ec8333ea": [
-        [0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa],
-        [0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd]
-      ],
-      "6c11506874013cac6a2abc1bb382627cec6a90d86efc012de7afec5a": [
-        [0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19],
-        [0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd]
-      ],
-      "95e9a0db962095adaebe9b2d6f0dbce2d499f112f2d2b7273fa6870e": [
-        [0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa],
-        "Test Using Larger Than Block-Size Key - Hash Key First"
-      ],
-      "3a854166ac5d9f023f54d517d0b39dbd946770db9c2b95c9f6f565d1": [
-        [0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa],
-        "This is a test using a larger than block-size key and a larger than block-size data. The key needs to be hashed before being used by the HMAC algorithm."
-      ]
-    },
-    "UTF8": {
-      "e2280928fe813aeb7fa59aa14dd5e589041bfdf91945d19d25b9f3db": ["中文", "中文"],
-      "86c53dc054b16f6e006a254891bc9ff0da5df8e1a6faee3b0aaa732d": ["aécio", "aécio"],
-      "e9e5991bfb84506b105f800afac1599ff807bb8e20db8ffda48997b9": ["𠜎", "𠜎"]
-    }
-  },
-};
-
-// prettier-ignore
-// dprint-ignore
-fixtures.sha256.Uint8Array = {
-  '182889f925ae4e5cc37118ded6ed87f7bdc7cab5ec5e78faef2e50048999473f': new Uint8Array([211, 212]),
-  'd7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592': new Uint8Array([84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103])
-};
-// prettier-ignore
-// dprint-ignore
-fixtures.sha256.Int8Array = {
-  'd7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592': new Int8Array([84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103])
-};
-// prettier-ignore
-// dprint-ignore
-fixtures.sha256.ArrayBuffer = {
-  'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855': new ArrayBuffer(0),
-  '6e340b9cffb37a989ca544e6bb780a2c78901d3fb33738768511a30617afa01d': new ArrayBuffer(1)
-};
-// prettier-ignore
-// dprint-ignore
-fixtures.sha224.Uint8Array = {
-  'e17541396a3ecd1cd5a2b968b84e597e8eae3b0ea3127963bf48dd3b': new Uint8Array([211, 212]),
-  '730e109bd7a8a32b1cb9d9a09aa2325d2430587ddbc0c38bad911525': new Uint8Array([84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103])    
-};
-// prettier-ignore
-// dprint-ignore
-fixtures.sha224.Int8Array = {
-  '730e109bd7a8a32b1cb9d9a09aa2325d2430587ddbc0c38bad911525': new Int8Array([84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103])
-};
-// prettier-ignore
-// dprint-ignore
-fixtures.sha224.ArrayBuffer = {
-  'd14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f': new ArrayBuffer(0),
-  'fff9292b4201617bdc4d3053fce02734166a683d7d858a7f5f59b073': new ArrayBuffer(1),
-};
-fixtures.sha256Hmac.Uint8Array = {
-  e48411262715c8370cd5e7bf8e82bef53bd53712d007f3429351843b77c7bb9b: [
-    new Uint8Array(0),
-    "Hi There",
-  ],
-};
-fixtures.sha256Hmac.ArrayBuffer = {
-  e48411262715c8370cd5e7bf8e82bef53bd53712d007f3429351843b77c7bb9b: [
-    new ArrayBuffer(0),
-    "Hi There",
-  ],
-};
-fixtures.sha224Hmac.Uint8Array = {
-  da8f94de91d62154b55ea4e8d6eb133f6d553bcd1f1ba205b9488945: [
-    new Uint8Array(0),
-    "Hi There",
-  ],
-};
-fixtures.sha224Hmac.ArrayBuffer = {
-  da8f94de91d62154b55ea4e8d6eb133f6d553bcd1f1ba205b9488945: [
-    new ArrayBuffer(0),
-    "Hi There",
-  ],
-};
-
-const methods = ["array", "arrayBuffer", "digest", "hex"] as const;
-
-for (const method of methods) {
-  for (const [name, tests] of Object.entries(fixtures.sha256)) {
-    let i = 1;
-    for (const [expected, message] of Object.entries(tests)) {
-      test({
-        name: `sha256.${method}() - ${name} - #${i++}`,
-        fn() {
-          const algorithm = new Sha256();
-          algorithm.update(message);
-          const actual =
-            method === "hex"
-              ? algorithm[method]()
-              : toHexString(algorithm[method]());
-          assertEquals(actual, expected);
-        },
-      });
-    }
-  }
-}
-
-for (const method of methods) {
-  for (const [name, tests] of Object.entries(fixtures.sha224)) {
-    let i = 1;
-    for (const [expected, message] of Object.entries(tests)) {
-      test({
-        name: `sha224.${method}() - ${name} - #${i++}`,
-        fn() {
-          const algorithm = new Sha256(true);
-          algorithm.update(message);
-          const actual =
-            method === "hex"
-              ? algorithm[method]()
-              : toHexString(algorithm[method]());
-          assertEquals(actual, expected);
-        },
-      });
-    }
-  }
-}
-
-for (const method of methods) {
-  for (const [name, tests] of Object.entries(fixtures.sha256Hmac)) {
-    let i = 1;
-    for (const [expected, [key, message]] of Object.entries(tests)) {
-      test({
-        name: `hmacSha256.${method}() - ${name} - #${i++}`,
-        fn() {
-          const algorithm = new HmacSha256(key);
-          algorithm.update(message);
-          const actual =
-            method === "hex"
-              ? algorithm[method]()
-              : toHexString(algorithm[method]());
-          assertEquals(actual, expected);
-        },
-      });
-    }
-  }
-}
-
-for (const method of methods) {
-  for (const [name, tests] of Object.entries(fixtures.sha224Hmac)) {
-    let i = 1;
-    for (const [expected, [key, message]] of Object.entries(tests)) {
-      test({
-        name: `hmacSha224.${method}() - ${name} - #${i++}`,
-        fn() {
-          const algorithm = new HmacSha256(key, true);
-          algorithm.update(message);
-          const actual =
-            method === "hex"
-              ? algorithm[method]()
-              : toHexString(algorithm[method]());
-          assertEquals(actual, expected);
-        },
-      });
-    }
-  }
-}