0.8.0

* Use `globalThis` instead of `global`

* Update `standard`

.gitignore

@@ -1 +1,2 @@
 node_modules
+package-lock.json

README.md

@@ -33,7 +33,7 @@ console.log('Plaintext:', plainText.toString())
 ## API
 
 See [sodium-native](https://github.com/sodium-friends/sodium-native).
-This is a work in progress so all functions are not implemented yet.
+This is a work in progress so not all functions are implemented yet.
 
 This module is organised into individual submodules which can be required
 independently for smaller bundles in the browser. To leverage automatic

crypto_aead.js

@@ -30,7 +30,7 @@ function crypto_aead_chacha20poly1305_ietf_encrypt (c, m, ad, nsec, npub, k) {
 }
 
 function crypto_aead_chacha20poly1305_ietf_encrypt_detached (c, mac, m, ad, nsec, npub, k) {
-  if (ad === null) return crypto_aead_chacha20poly1305_ietf_encrypt(c, mac, m, new Uint8Array(0), nsec, npub, k)
+  if (ad === null) return crypto_aead_chacha20poly1305_ietf_encrypt_detached(c, mac, m, new Uint8Array(0), nsec, npub, k)
 
   assert(c.byteLength === m.byteLength, 'ciphertext should be same length than message')
   assert(npub.byteLength === crypto_aead_chacha20poly1305_ietf_NPUBBYTES,
@@ -91,7 +91,7 @@ function crypto_aead_chacha20poly1305_ietf_decrypt (m, nsec, c, ad, npub, k) {
 }
 
 function crypto_aead_chacha20poly1305_ietf_decrypt_detached (m, nsec, c, mac, ad, npub, k) {
-  if (ad === null) return crypto_aead_chacha20poly1305_ietf_decrypt(m, nsec, c, mac, new Uint8Array(0), npub, k)
+  if (ad === null) return crypto_aead_chacha20poly1305_ietf_decrypt_detached(m, nsec, c, mac, new Uint8Array(0), npub, k)
 
   assert(c.byteLength === m.byteLength, 'message should be same length than ciphertext')
   assert(npub.byteLength === crypto_aead_chacha20poly1305_ietf_NPUBBYTES,

crypto_secretstream.js

@@ -0,0 +1,271 @@
+/* eslint-disable camelcase */
+const assert = require('nanoassert')
+const { randombytes_buf } = require('./randombytes')
+const {
+  crypto_stream_chacha20_ietf,
+  crypto_stream_chacha20_ietf_xor,
+  crypto_stream_chacha20_ietf_xor_ic,
+  crypto_stream_chacha20_ietf_KEYBYTES
+} = require('./crypto_stream_chacha20')
+const { crypto_core_hchacha20, crypto_core_hchacha20_INPUTBYTES } = require('./internal/hchacha20')
+const Poly1305 = require('./internal/poly1305')
+const { sodium_increment, sodium_is_zero, sodium_memcmp } = require('./helpers')
+
+const crypto_onetimeauth_poly1305_BYTES = 16
+const crypto_secretstream_xchacha20poly1305_COUNTERBYTES = 4
+const crypto_secretstream_xchacha20poly1305_INONCEBYTES = 8
+const crypto_aead_xchacha20poly1305_ietf_KEYBYTES = 32
+const crypto_secretstream_xchacha20poly1305_KEYBYTES = crypto_aead_xchacha20poly1305_ietf_KEYBYTES
+const crypto_aead_xchacha20poly1305_ietf_NPUBBYTES = 24
+const crypto_secretstream_xchacha20poly1305_HEADERBYTES = crypto_aead_xchacha20poly1305_ietf_NPUBBYTES
+const crypto_aead_xchacha20poly1305_ietf_ABYTES = 16
+const crypto_secretstream_xchacha20poly1305_ABYTES = 1 + crypto_aead_xchacha20poly1305_ietf_ABYTES
+const crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX = Number.MAX_SAFE_INTEGER
+const crypto_aead_chacha20poly1305_ietf_MESSAGEBYTES_MAX = Number.MAX_SAFE_INTEGER
+const crypto_secretstream_xchacha20poly1305_TAGBYTES = 1
+const crypto_secretstream_xchacha20poly1305_TAG_MESSAGE = new Uint8Array([0])
+const crypto_secretstream_xchacha20poly1305_TAG_PUSH = new Uint8Array([1])
+const crypto_secretstream_xchacha20poly1305_TAG_REKEY = new Uint8Array([2])
+const crypto_secretstream_xchacha20poly1305_TAG_FINAL = new Uint8Array([crypto_secretstream_xchacha20poly1305_TAG_PUSH | crypto_secretstream_xchacha20poly1305_TAG_REKEY])
+const crypto_secretstream_xchacha20poly1305_STATEBYTES = crypto_secretstream_xchacha20poly1305_KEYBYTES +
+  crypto_secretstream_xchacha20poly1305_INONCEBYTES + crypto_secretstream_xchacha20poly1305_COUNTERBYTES + 8
+
+const KEY_OFFSET = 0
+const NONCE_OFFSET = crypto_secretstream_xchacha20poly1305_KEYBYTES
+const PAD_OFFSET = NONCE_OFFSET + crypto_secretstream_xchacha20poly1305_INONCEBYTES + crypto_secretstream_xchacha20poly1305_COUNTERBYTES
+
+const _pad0 = new Uint8Array(16)
+
+function STORE64_LE (dest, int) {
+  let mul = 1
+  let i = 0
+  dest[0] = int & 0xFF
+  while (++i < 8 && (mul *= 0x100)) {
+    dest[i] = (int / mul) & 0xFF
+  }
+}
+
+function crypto_secretstream_xchacha20poly1305_counter_reset (state) {
+  assert(state.byteLength === crypto_secretstream_xchacha20poly1305_STATEBYTES,
+    'state is should be crypto_secretstream_xchacha20poly1305_STATEBYTES long')
+
+  const nonce = state.subarray(NONCE_OFFSET, PAD_OFFSET)
+  for (let i = 0; i < crypto_secretstream_xchacha20poly1305_COUNTERBYTES; i++) {
+    nonce[i] = 0
+  }
+  nonce[0] = 1
+}
+
+function crypto_secretstream_xchacha20poly1305_keygen (k) {
+  assert(k.length === crypto_secretstream_xchacha20poly1305_KEYBYTES)
+  randombytes_buf(k)
+}
+
+function crypto_secretstream_xchacha20poly1305_init_push (state, out, key) {
+  assert(state.byteLength === crypto_secretstream_xchacha20poly1305_STATEBYTES,
+    'state is should be crypto_secretstream_xchacha20poly1305_STATEBYTES long')
+  assert(out instanceof Uint8Array && out.length === crypto_secretstream_xchacha20poly1305_HEADERBYTES, 'out not byte array of length crypto_secretstream_xchacha20poly1305_HEADERBYTES')
+  assert(key instanceof Uint8Array && key.length === crypto_secretstream_xchacha20poly1305_KEYBYTES, 'key not byte array of length crypto_secretstream_xchacha20poly1305_KEYBYTES')
+
+  const k = state.subarray(KEY_OFFSET, NONCE_OFFSET)
+  const nonce = state.subarray(NONCE_OFFSET, PAD_OFFSET)
+  const pad = state.subarray(PAD_OFFSET)
+
+  randombytes_buf(out, crypto_secretstream_xchacha20poly1305_HEADERBYTES)
+  crypto_core_hchacha20(k, out, key, null)
+  crypto_secretstream_xchacha20poly1305_counter_reset(state)
+  for (let i = 0; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) {
+    nonce[i + crypto_secretstream_xchacha20poly1305_COUNTERBYTES] = out[i + crypto_core_hchacha20_INPUTBYTES]
+  }
+  pad.fill(0)
+}
+
+function crypto_secretstream_xchacha20poly1305_init_pull (state, _in, key) {
+  assert(state.byteLength === crypto_secretstream_xchacha20poly1305_STATEBYTES,
+    'state is should be crypto_secretstream_xchacha20poly1305_STATEBYTES long')
+  assert(_in instanceof Uint8Array && _in.length === crypto_secretstream_xchacha20poly1305_HEADERBYTES,
+    '_in not byte array of length crypto_secretstream_xchacha20poly1305_HEADERBYTES')
+  assert(key instanceof Uint8Array && key.length === crypto_secretstream_xchacha20poly1305_KEYBYTES,
+    'key not byte array of length crypto_secretstream_xchacha20poly1305_KEYBYTES')
+
+  const k = state.subarray(KEY_OFFSET, NONCE_OFFSET)
+  const nonce = state.subarray(NONCE_OFFSET, PAD_OFFSET)
+  const pad = state.subarray(PAD_OFFSET)
+
+  crypto_core_hchacha20(k, _in, key, null)
+  crypto_secretstream_xchacha20poly1305_counter_reset(state)
+
+  for (let i = 0; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) {
+    nonce[i + crypto_secretstream_xchacha20poly1305_COUNTERBYTES] = _in[i + crypto_core_hchacha20_INPUTBYTES]
+  }
+  pad.fill(0)
+}
+
+function crypto_secretstream_xchacha20poly1305_rekey (state) {
+  assert(state.byteLength === crypto_secretstream_xchacha20poly1305_STATEBYTES,
+    'state is should be crypto_secretstream_xchacha20poly1305_STATEBYTES long')
+
+  const k = state.subarray(KEY_OFFSET, NONCE_OFFSET)
+  const nonce = state.subarray(NONCE_OFFSET, PAD_OFFSET)
+
+  const new_key_and_inonce = new Uint8Array(
+    crypto_stream_chacha20_ietf_KEYBYTES + crypto_secretstream_xchacha20poly1305_INONCEBYTES)
+  let i
+  for (i = 0; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) {
+    new_key_and_inonce[i] = k[i]
+  }
+  for (i = 0; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) {
+    new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i] =
+      nonce[crypto_secretstream_xchacha20poly1305_COUNTERBYTES + i]
+  }
+  crypto_stream_chacha20_ietf_xor(new_key_and_inonce, new_key_and_inonce, nonce, k)
+  for (i = 0; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) {
+    k[i] = new_key_and_inonce[i]
+  }
+  for (i = 0; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) {
+    nonce[crypto_secretstream_xchacha20poly1305_COUNTERBYTES + i] =
+      new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i]
+  }
+  crypto_secretstream_xchacha20poly1305_counter_reset(state)
+}
+
+function crypto_secretstream_xchacha20poly1305_push (state, out, m, ad, tag) {
+  assert(state.byteLength === crypto_secretstream_xchacha20poly1305_STATEBYTES,
+    'state is should be crypto_secretstream_xchacha20poly1305_STATEBYTES long')
+  if (!ad) ad = new Uint8Array(0)
+
+  const k = state.subarray(KEY_OFFSET, NONCE_OFFSET)
+  const nonce = state.subarray(NONCE_OFFSET, PAD_OFFSET)
+
+  const block = new Uint8Array(64)
+  const slen = new Uint8Array(8)
+
+  assert(crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX <=
+    crypto_aead_chacha20poly1305_ietf_MESSAGEBYTES_MAX)
+
+  crypto_stream_chacha20_ietf(block, nonce, k)
+  const poly = new Poly1305(block)
+  block.fill(0)
+
+  poly.update(ad, 0, ad.byteLength)
+  poly.update(_pad0, 0, (0x10 - ad.byteLength) & 0xf)
+
+  block[0] = tag[0]
+  crypto_stream_chacha20_ietf_xor_ic(block, block, nonce, 1, k)
+
+  poly.update(block, 0, block.byteLength)
+  out[0] = block[0]
+
+  const c = out.subarray(1, out.byteLength)
+  crypto_stream_chacha20_ietf_xor_ic(c, m, nonce, 2, k)
+  poly.update(c, 0, m.byteLength)
+  poly.update(_pad0, 0, (0x10 - block.byteLength + m.byteLength) & 0xf)
+
+  STORE64_LE(slen, ad.byteLength)
+  poly.update(slen, 0, slen.byteLength)
+  STORE64_LE(slen, block.byteLength + m.byteLength)
+  poly.update(slen, 0, slen.byteLength)
+
+  const mac = out.subarray(1 + m.byteLength, out.byteLength)
+  poly.finish(mac, 0)
+
+  assert(crypto_onetimeauth_poly1305_BYTES >=
+    crypto_secretstream_xchacha20poly1305_INONCEBYTES)
+  xor_buf(nonce.subarray(crypto_secretstream_xchacha20poly1305_COUNTERBYTES, nonce.length),
+    mac, crypto_secretstream_xchacha20poly1305_INONCEBYTES)
+  sodium_increment(nonce)
+
+  if ((tag[0] & crypto_secretstream_xchacha20poly1305_TAG_REKEY) !== 0 ||
+    sodium_is_zero(nonce.subarray(0, crypto_secretstream_xchacha20poly1305_COUNTERBYTES))) {
+    crypto_secretstream_xchacha20poly1305_rekey(state)
+  }
+
+  return crypto_secretstream_xchacha20poly1305_ABYTES + m.byteLength
+}
+
+function crypto_secretstream_xchacha20poly1305_pull (state, m, tag, _in, ad) {
+  assert(state.byteLength === crypto_secretstream_xchacha20poly1305_STATEBYTES,
+    'state is should be crypto_secretstream_xchacha20poly1305_STATEBYTES long')
+  if (!ad) ad = new Uint8Array(0)
+
+  const k = state.subarray(KEY_OFFSET, NONCE_OFFSET)
+  const nonce = state.subarray(NONCE_OFFSET, PAD_OFFSET)
+
+  const block = new Uint8Array(64)
+  const slen = new Uint8Array(8)
+  const mac = new Uint8Array(crypto_onetimeauth_poly1305_BYTES)
+
+  assert(_in.byteLength >= crypto_secretstream_xchacha20poly1305_ABYTES,
+    'ciphertext is too short.')
+
+  const mlen = _in.byteLength - crypto_secretstream_xchacha20poly1305_ABYTES
+  crypto_stream_chacha20_ietf(block, nonce, k)
+  const poly = new Poly1305(block)
+  block.fill(0) // sodium_memzero(block, sizeof block);
+
+  poly.update(ad, 0, ad.byteLength)
+  poly.update(_pad0, 0, (0x10 - ad.byteLength) & 0xf)
+
+  block.fill(0) // memset(block, 0, sizeof block);
+  block[0] = _in[0]
+  crypto_stream_chacha20_ietf_xor_ic(block, block, nonce, 1, k)
+
+  tag[0] = block[0]
+  block[0] = _in[0]
+  poly.update(block, 0, block.byteLength)
+
+  const c = _in.subarray(1, _in.length)
+  poly.update(c, 0, mlen)
+
+  poly.update(_pad0, 0, (0x10 - block.byteLength + mlen) & 0xf)
+
+  STORE64_LE(slen, ad.byteLength)
+  poly.update(slen, 0, slen.byteLength)
+  STORE64_LE(slen, block.byteLength + m.byteLength)
+  poly.update(slen, 0, slen.byteLength)
+
+  poly.finish(mac, 0)
+  const stored_mac = _in.subarray(1 + mlen, _in.length)
+
+  if (!sodium_memcmp(mac, stored_mac)) {
+    mac.fill(0)
+    throw new Error('MAC could not be verified.')
+  }
+
+  crypto_stream_chacha20_ietf_xor_ic(m, c.subarray(0, m.length), nonce, 2, k)
+  xor_buf(nonce.subarray(crypto_secretstream_xchacha20poly1305_COUNTERBYTES, nonce.length),
+    mac, crypto_secretstream_xchacha20poly1305_INONCEBYTES)
+  sodium_increment(nonce)
+
+  if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) !== 0 ||
+    sodium_is_zero(nonce.subarray(0, crypto_secretstream_xchacha20poly1305_COUNTERBYTES))) {
+    crypto_secretstream_xchacha20poly1305_rekey(state)
+  }
+
+  return mlen
+}
+
+function xor_buf (out, _in, n) {
+  for (let i = 0; i < n; i++) {
+    out[i] ^= _in[i]
+  }
+}
+
+module.exports = {
+  crypto_secretstream_xchacha20poly1305_keygen,
+  crypto_secretstream_xchacha20poly1305_init_push,
+  crypto_secretstream_xchacha20poly1305_init_pull,
+  crypto_secretstream_xchacha20poly1305_rekey,
+  crypto_secretstream_xchacha20poly1305_push,
+  crypto_secretstream_xchacha20poly1305_pull,
+  crypto_secretstream_xchacha20poly1305_STATEBYTES,
+  crypto_secretstream_xchacha20poly1305_ABYTES,
+  crypto_secretstream_xchacha20poly1305_HEADERBYTES,
+  crypto_secretstream_xchacha20poly1305_KEYBYTES,
+  crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX,
+  crypto_secretstream_xchacha20poly1305_TAGBYTES,
+  crypto_secretstream_xchacha20poly1305_TAG_MESSAGE,
+  crypto_secretstream_xchacha20poly1305_TAG_PUSH,
+  crypto_secretstream_xchacha20poly1305_TAG_REKEY,
+  crypto_secretstream_xchacha20poly1305_TAG_FINAL
+}

crypto_sign.js

@@ -39,6 +39,7 @@ module.exports = {
   crypto_sign_ed25519_BYTES,
   crypto_sign_ed25519_pk_to_curve25519,
   crypto_sign_ed25519_sk_to_curve25519,
+  crypto_sign_ed25519_sk_to_pk,
   unpackneg,
   pack
 }
@@ -233,24 +234,6 @@ function crypto_sign_detached (sig, m, sk) {
   for (let i = 0; i < crypto_sign_BYTES; i++) sig[i] = sm[i]
 }
 
-function is_zero25519 (f) {
-  var s = new Uint8Array(32)
-  pack25519(s, f)
-
-  return sodium_is_zero(s, 32)
-
-  function sodium_is_zero (n) {
-    let i
-    let d = 0
-
-    for (let i = 0; i < n.length; i++) {
-      d |= n[i]
-    }
-
-    return 1 & ((d - 1) >> 8)
-  }
-}
-
 function unpackneg (r, p) {
   var t = gf(), chk = gf(), num = gf(),
     den = gf(), den2 = gf(), den4 = gf(),
@@ -385,7 +368,7 @@ function crypto_sign_ed25519_pk_to_curve25519 (x25519_pk, ed25519_pk) {
     ed25519_is_on_main_subgroup(a), 'Cannot convert key: bad point')
 
   for (let i = 0; i < a.length; i++) {
-    pack25519(x25519_pk, a[i]);
+    pack25519(x25519_pk, a[i])
   }
 
   Z(one_minus_y, one_minus_y, a[1])
@@ -440,7 +423,7 @@ function isSmallOrder (s) {
   var c = new Uint8Array(7)
   var j
 
-  check (bad_points, 7)
+  check(bad_points, 7)
   for (let i = 0; i < bad_points.length; i++) {
     for (j = 0; j < 31; j++) {
       c[i] |= s[j] ^ bad_points[i][j]
@@ -469,19 +452,18 @@ function crypto_sign_ed25519_sk_to_curve25519 (curveSk, edSk) {
   assert(curveSk && curveSk.byteLength === crypto_scalarmult_BYTES, "curveSk must be 'crypto_sign_SECRETKEYBYTES' long")
   assert(edSk && edSk.byteLength === crypto_sign_ed25519_SECRETKEYBYTES, "edSk must be 'crypto_sign_ed25519_SECRETKEYBYTES' long")
 
-  var h = Buffer.alloc(crypto_hash_sha512_BYTES);
+  var h = new Uint8Array(crypto_hash_sha512_BYTES)
   crypto_hash(h, edSk, 32)
 
-  h[0] &= 248;
-  h[31] &= 127;
-  h[31] |= 64;
+  h[0] &= 248
+  h[31] &= 127
+  h[31] |= 64
 
   curveSk.set(h.subarray(0, crypto_scalarmult_BYTES))
   h.fill(0)
   return curveSk
 }
 
-
 function check (buf, len, arg = 'Argument') {
   if (!buf || (len && buf.length < len)) throw new Error(arg + ' must be a buffer' + (len ? ' of length ' + len : ''))
 }

index.js

@@ -23,6 +23,7 @@ forward(require('./crypto_aead'))
 forward(require('./crypto_onetimeauth'))
 forward(require('./crypto_scalarmult'))
 forward(require('./crypto_secretbox'))
+forward(require('./crypto_secretstream'))
 forward(require('./crypto_shorthash'))
 forward(require('./crypto_sign'))
 forward(require('./crypto_stream'))

internal/hchacha20.js

@@ -0,0 +1,128 @@
+/* eslint-disable camelcase */
+const { sodium_malloc } = require('../memory')
+const assert = require('nanoassert')
+
+if (new Uint16Array([1])[0] !== 1) throw new Error('Big endian architecture is not supported.')
+
+const crypto_core_hchacha20_OUTPUTBYTES = 32
+const crypto_core_hchacha20_INPUTBYTES = 16
+const crypto_core_hchacha20_KEYBYTES = 32
+const crypto_core_hchacha20_CONSTBYTES = 16
+
+function ROTL32 (x, b) {
+  x &= 0xFFFFFFFF
+  b &= 0xFFFFFFFF
+  return (x << b) | (x >>> (32 - b))
+}
+
+function LOAD32_LE (src, offset) {
+  assert(src instanceof Uint8Array, 'src not byte array')
+  let w = src[offset]
+  w |= src[offset + 1] << 8
+  w |= src[offset + 2] << 16
+  w |= src[offset + 3] << 24
+  return w
+}
+
+function STORE32_LE (dest, int, offset) {
+  assert(dest instanceof Uint8Array, 'dest not byte array')
+  var mul = 1
+  var i = 0
+  dest[offset] = int & 0xFF // grab bottom byte
+  while (++i < 4 && (mul *= 0x100)) {
+    dest[offset + i] = (int / mul) & 0xFF
+  }
+}
+
+function QUARTERROUND (l, A, B, C, D) {
+  l[A] += l[B]
+  l[D] = ROTL32(l[D] ^ l[A], 16)
+  l[C] += l[D]
+  l[B] = ROTL32(l[B] ^ l[C], 12)
+  l[A] += l[B]
+  l[D] = ROTL32(l[D] ^ l[A], 8)
+  l[C] += l[D]
+  l[B] = ROTL32(l[B] ^ l[C], 7)
+}
+
+function crypto_core_hchacha20 (out, _in, k, c) {
+  assert(out instanceof Uint8Array && out.length === 32, 'out is not an array of 32 bytes')
+  assert(k instanceof Uint8Array && k.length === 32, 'k is not an array of 32 bytes')
+  assert(c === null || (c instanceof Uint8Array && c.length === 16), 'c is not null or an array of 16 bytes')
+
+  let i = 0
+  const x = new Uint32Array(16)
+  if (!c) {
+    x[0] = 0x61707865
+    x[1] = 0x3320646E
+    x[2] = 0x79622D32
+    x[3] = 0x6B206574
+  } else {
+    x[0] = LOAD32_LE(c, 0)
+    x[1] = LOAD32_LE(c, 4)
+    x[2] = LOAD32_LE(c, 8)
+    x[3] = LOAD32_LE(c, 12)
+  }
+  x[4] = LOAD32_LE(k, 0)
+  x[5] = LOAD32_LE(k, 4)
+  x[6] = LOAD32_LE(k, 8)
+  x[7] = LOAD32_LE(k, 12)
+  x[8] = LOAD32_LE(k, 16)
+  x[9] = LOAD32_LE(k, 20)
+  x[10] = LOAD32_LE(k, 24)
+  x[11] = LOAD32_LE(k, 28)
+  x[12] = LOAD32_LE(_in, 0)
+  x[13] = LOAD32_LE(_in, 4)
+  x[14] = LOAD32_LE(_in, 8)
+  x[15] = LOAD32_LE(_in, 12)
+
+  for (i = 0; i < 10; i++) {
+    QUARTERROUND(x, 0, 4, 8, 12)
+    QUARTERROUND(x, 1, 5, 9, 13)
+    QUARTERROUND(x, 2, 6, 10, 14)
+    QUARTERROUND(x, 3, 7, 11, 15)
+    QUARTERROUND(x, 0, 5, 10, 15)
+    QUARTERROUND(x, 1, 6, 11, 12)
+    QUARTERROUND(x, 2, 7, 8, 13)
+    QUARTERROUND(x, 3, 4, 9, 14)
+  }
+
+  STORE32_LE(out, x[0], 0)
+  STORE32_LE(out, x[1], 4)
+  STORE32_LE(out, x[2], 8)
+  STORE32_LE(out, x[3], 12)
+  STORE32_LE(out, x[12], 16)
+  STORE32_LE(out, x[13], 20)
+  STORE32_LE(out, x[14], 24)
+  STORE32_LE(out, x[15], 28)
+
+  return 0
+}
+
+function crypto_core_hchacha20_outputbytes () {
+  return crypto_core_hchacha20_OUTPUTBYTES
+}
+
+function crypto_core_hchacha20_inputbytes () {
+  return crypto_core_hchacha20_INPUTBYTES
+}
+
+function crypto_core_hchacha20_keybytes () {
+  return crypto_core_hchacha20_KEYBYTES
+}
+
+function crypto_core_hchacha20_constbytes () {
+  return crypto_core_hchacha20_CONSTBYTES
+}
+
+module.exports = {
+  crypto_core_hchacha20_INPUTBYTES,
+  LOAD32_LE,
+  STORE32_LE,
+  QUARTERROUND,
+  crypto_core_hchacha20,
+  crypto_core_hchacha20_outputbytes,
+  crypto_core_hchacha20_inputbytes,
+  crypto_core_hchacha20_keybytes,
+  crypto_core_hchacha20_constbytes
+}

memory.js

@@ -1,21 +1,28 @@
 /* eslint-disable camelcase */
-var MessageChannel = global.MessageChannel
-if (MessageChannel == null) ({ MessageChannel } = require('worker' + '_threads'))
 
 function sodium_malloc (n) {
   return new Uint8Array(n)
 }
 
-const sink = new MessageChannel()
 function sodium_free (n) {
   sodium_memzero(n)
-  sink.port1.postMessage(n.buffer, [n.buffer])
+  loadSink().port1.postMessage(n.buffer, [n.buffer])
 }
 
 function sodium_memzero (arr) {
   arr.fill(0)
 }
 
+var sink
+
+function loadSink () {
+  if (sink) return sink
+  var MessageChannel = globalThis.MessageChannel
+  if (MessageChannel == null) ({ MessageChannel } = require('worker' + '_threads'))
+  sink = new MessageChannel()
+  return sink
+}
+
 module.exports = {
   sodium_malloc,
   sodium_free,

package-lock.json

@@ -1,566 +0,0 @@
-{
-  "name": "sodium-javascript",
-  "version": "0.7.0",
-  "lockfileVersion": 1,
-  "requires": true,
-  "dependencies": {
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-      "dev": true
-    },
-    "blake2b": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/blake2b/-/blake2b-2.1.3.tgz",
-      "integrity": "sha512-pkDss4xFVbMb4270aCyGD3qLv92314Et+FsKzilCLxDz5DuZ2/1g3w4nmBbu6nKApPspnjG7JcwTjGZnduB1yg==",
-      "requires": {
-        "blake2b-wasm": "^1.1.0",
-        "nanoassert": "^1.0.0"
-      }
-    },
-    "blake2b-wasm": {
-      "version": "1.1.7",
-      "resolved": "https://registry.npmjs.org/blake2b-wasm/-/blake2b-wasm-1.1.7.tgz",
-      "integrity": "sha512-oFIHvXhlz/DUgF0kq5B1CqxIDjIJwh9iDeUUGQUcvgiGz7Wdw03McEO7CfLBy7QKGdsydcMCgO9jFNBAFCtFcA==",
-      "requires": {
-        "nanoassert": "^1.0.0"
-      }
-    },
-    "brace-expansion": {
-      "version": "1.1.11",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
-      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
-      "dev": true,
-      "requires": {
-        "balanced-match": "^1.0.0",
-        "concat-map": "0.0.1"
-      }
-    },
-    "buffer-byte-frequency": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/buffer-byte-frequency/-/buffer-byte-frequency-1.0.1.tgz",
-      "integrity": "sha1-xf8lpKwSZy8wPk25H/VD+gl1wTM=",
-      "dev": true
-    },
-    "chacha20-universal": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/chacha20-universal/-/chacha20-universal-1.0.4.tgz",
-      "integrity": "sha512-/IOxdWWNa7nRabfe7+oF+jVkGjlr2xUL4J8l/OvzZhj+c9RpMqoo3Dq+5nU1j/BflRV4BKnaQ4+4oH1yBpQG1Q==",
-      "requires": {
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-      },
-      "dependencies": {
-        "nanoassert": {
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-          "integrity": "sha512-7vO7n28+aYO4J+8w96AzhmU8G+Y/xpPDJz/se19ICsqj/momRbb9mh9ZUtkoJ5X3nTnPdhEJyc0qnM6yAsHBaA=="
-        }
-      }
-    },
-    "concat-map": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
-      "dev": true
-    },
-    "deep-equal": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.1.1.tgz",
-      "integrity": "sha512-yd9c5AdiqVcR+JjcwUQb9DkhJc8ngNr0MahEBGvDiJw8puWab2yZlh+nkasOnZP+EGTAP6rRp2JzJhJZzvNF8g==",
-      "dev": true,
-      "requires": {
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-        "is-date-object": "^1.0.1",
-        "is-regex": "^1.0.4",
-        "object-is": "^1.0.1",
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-        "object-inspect": "~1.7.0",
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-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
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-    "xsalsa20": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/xsalsa20/-/xsalsa20-1.1.0.tgz",
-      "integrity": "sha512-zd3ytX2cm+tcSndRU+krm0eL4TMMpZE7evs5hLRAoOy6gviqLfe3qOlkjF3i5SeAkQUCeJk0lJZrEU56kHRfWw=="
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package.json

@@ -1,6 +1,6 @@
 {
   "name": "sodium-javascript",
-  "version": "0.7.0",
+  "version": "0.8.0",
   "description": "WIP - a pure javascript version of sodium-native",
   "main": "index.js",
   "dependencies": {
@@ -15,7 +15,7 @@
   "devDependencies": {
     "browserify": "^16.5.1",
     "sodium-test": "^0.10.0",
-    "standard": "^14.3.4",
+    "standard": "^15.0.1",
     "tape-run": "^7.0.0"
   },
   "standard": {
@@ -24,10 +24,8 @@
     ]
   },
   "browser": {
-    "crypto": false
-  },
-  "react-native": {
-    "crypto": "crypto"
+    "crypto": false,
+    "worker_threads": false
   },
   "scripts": {
     "pretest": "standard",

randombytes.js

@@ -2,7 +2,7 @@ var assert = require('nanoassert')
 
 var randombytes = (function () {
   var QUOTA = 65536 // limit for QuotaExceededException
-  var crypto = global.crypto || global.msCrypto
+  var crypto = globalThis.crypto || globalThis.msCrypto
 
   function browserBytes (out, n) {
     for (let i = 0; i < n; i += QUOTA) {

test.js

@@ -1,3 +1,3 @@
 require('sodium-test')(require('.'))
 
-if (typeof window !== 'undefined') window.close()
+if ((typeof window !== 'undefined') && window.close) window.close()