perf: use ops for node:crypto ciphers (#17819)

Towards #17809

1 files changed, 0 insertions, 96 deletions

diff --git a/ext/node/polyfills/_crypto/crypto_browserify/browserify_aes/ghash.js b/ext/node/polyfills/_crypto/crypto_browserify/browserify_aes/ghash.js
deleted file mode 100644
index ac896f921..000000000
--- a/ext/node/polyfills/_crypto/crypto_browserify/browserify_aes/ghash.js
+++ /dev/null
@@ -1,96 +0,0 @@
-// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
-// Copyright 2014-2017 browserify-aes contributors. All rights reserved. MIT license.
-// Copyright 2013 Maxwell Krohn. All rights reserved. MIT license.
-// Copyright 2009-2013 Jeff Mott. All rights reserved. MIT license.
-// Copyright 2009-2015, Emily Stark, Mike Hamburg and Dan Boneh at Stanford University. All rights reserved.
-
-// deno-lint-ignore-file no-var
-
-import { Buffer } from "internal:deno_node/polyfills/buffer.ts";
-
-var ZEROES = Buffer.alloc(16, 0);
-
-function toArray(buf) {
-  return [
-    buf.readUInt32BE(0),
-    buf.readUInt32BE(4),
-    buf.readUInt32BE(8),
-    buf.readUInt32BE(12),
-  ];
-}
-
-function fromArray(out) {
-  var buf = Buffer.allocUnsafe(16);
-  buf.writeUInt32BE(out[0] >>> 0, 0);
-  buf.writeUInt32BE(out[1] >>> 0, 4);
-  buf.writeUInt32BE(out[2] >>> 0, 8);
-  buf.writeUInt32BE(out[3] >>> 0, 12);
-  return buf;
-}
-
-export function GHASH(key) {
-  this.h = key;
-  this.state = Buffer.alloc(16, 0);
-  this.cache = Buffer.allocUnsafe(0);
-}
-
-// from http://bitwiseshiftleft.github.io/sjcl/doc/symbols/src/core_gcm.js.html
-// by Juho Vähä-Herttua
-GHASH.prototype.ghash = function (block) {
-  var i = -1;
-  while (++i < block.length) {
-    this.state[i] ^= block[i];
-  }
-  this._multiply();
-};
-
-GHASH.prototype._multiply = function () {
-  var Vi = toArray(this.h);
-  var Zi = [0, 0, 0, 0];
-  var j, xi, lsbVi;
-  var i = -1;
-  while (++i < 128) {
-    xi = (this.state[~~(i / 8)] & (1 << (7 - (i % 8)))) !== 0;
-    if (xi) {
-      // Z_i+1 = Z_i ^ V_i
-      Zi[0] ^= Vi[0];
-      Zi[1] ^= Vi[1];
-      Zi[2] ^= Vi[2];
-      Zi[3] ^= Vi[3];
-    }
-
-    // Store the value of LSB(V_i)
-    lsbVi = (Vi[3] & 1) !== 0;
-
-    // V_i+1 = V_i >> 1
-    for (j = 3; j > 0; j--) {
-      Vi[j] = (Vi[j] >>> 1) | ((Vi[j - 1] & 1) << 31);
-    }
-    Vi[0] = Vi[0] >>> 1;
-
-    // If LSB(V_i) is 1, V_i+1 = (V_i >> 1) ^ R
-    if (lsbVi) {
-      Vi[0] = Vi[0] ^ (0xe1 << 24);
-    }
-  }
-  this.state = fromArray(Zi);
-};
-
-GHASH.prototype.update = function (buf) {
-  this.cache = Buffer.concat([this.cache, buf]);
-  var chunk;
-  while (this.cache.length >= 16) {
-    chunk = this.cache.slice(0, 16);
-    this.cache = this.cache.slice(16);
-    this.ghash(chunk);
-  }
-};
-
-GHASH.prototype.final = function (abl, bl) {
-  if (this.cache.length) {
-    this.ghash(Buffer.concat([this.cache, ZEROES], 16));
-  }
-
-  this.ghash(fromArray([0, abl, 0, bl]));
-  return this.state;
-};