From be0e066d0b759af0f55a236011407024543af945 Mon Sep 17 00:00:00 2001
From: Colton Rushton <colton51919@gmail.com>
Date: Tue, 2 Feb 2021 14:33:06 -0400
Subject: [PATCH] Update dependencies and fix Travis CI builds

---
 .gitignore   |  1 +
 .npmignore   |  3 +++
 browser.js   | 11 ++++++-----
 package.json |  9 +++++----
 4 files changed, 15 insertions(+), 9 deletions(-)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bca51b3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/.npmignore b/.npmignore
index daa6029..7295430 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1 +1,4 @@
+node_modules/
+.travis.yml
+.gitignore
 test.js
diff --git a/browser.js b/browser.js
index 3613b45..011329d 100644
--- a/browser.js
+++ b/browser.js
@@ -1,5 +1,6 @@
 var elliptic = require('elliptic')
 var BN = require('bn.js')
+var Buffer = require('safe-buffer').Buffer
 
 module.exports = function createECDH (curve) {
   return new ECDH(curve)
@@ -61,7 +62,7 @@ ECDH.prototype.generateKeys = function (enc, format) {
 ECDH.prototype.computeSecret = function (other, inenc, enc) {
   inenc = inenc || 'utf8'
   if (!Buffer.isBuffer(other)) {
-    other = new Buffer(other, inenc)
+    other = Buffer.from(other, inenc)
   }
   var otherPub = this.curve.keyFromPublic(other).getPublic()
   var out = otherPub.mul(this.keys.getPrivate()).getX()
@@ -87,7 +88,7 @@ ECDH.prototype.getPrivateKey = function (enc) {
 ECDH.prototype.setPublicKey = function (pub, enc) {
   enc = enc || 'utf8'
   if (!Buffer.isBuffer(pub)) {
-    pub = new Buffer(pub, enc)
+    pub = Buffer.from(pub, enc)
   }
   this.keys._importPublic(pub)
   return this
@@ -96,7 +97,7 @@ ECDH.prototype.setPublicKey = function (pub, enc) {
 ECDH.prototype.setPrivateKey = function (priv, enc) {
   enc = enc || 'utf8'
   if (!Buffer.isBuffer(priv)) {
-    priv = new Buffer(priv, enc)
+    priv = Buffer.from(priv, enc)
   }
 
   var _priv = new BN(priv)
@@ -110,9 +111,9 @@ function formatReturnValue (bn, enc, len) {
   if (!Array.isArray(bn)) {
     bn = bn.toArray()
   }
-  var buf = new Buffer(bn)
+  var buf = Buffer.from(bn)
   if (len && buf.length < len) {
-    var zeros = new Buffer(len - buf.length)
+    var zeros = Buffer.alloc(len - buf.length)
     zeros.fill(0)
     buf = Buffer.concat([zeros, buf])
   }
diff --git a/package.json b/package.json
index 9ef2ca7..c23e0bb 100644
--- a/package.json
+++ b/package.json
@@ -24,12 +24,13 @@
   },
   "homepage": "https://github.com/crypto-browserify/createECDH",
   "dependencies": {
-    "bn.js": "^4.1.0",
-    "elliptic": "^6.5.3"
+    "bn.js": "^5.1.3",
+    "elliptic": "^6.5.4",
+    "safe-buffer": "^5.2.1"
   },
   "devDependencies": {
-    "tap-spec": "^1.0.1",
-    "tape": "^3.0.1",
+    "tap-spec": "^5.0.0",
+    "tape": "^5.1.1",
     "standard": "^5.4.1"
   }
 }