Please avoid buffer() + patch

[bastien-roucaries]

Could you please apply this patch

commit 63a6a15a34dd3ba7addb0d97bb4542d847f51763
Author: Bastien Roucariès <rouca@debian.org>
Date:   Tue Jan 1 22:21:14 2019 +0100

    Fix Buffer() warning
    
    Forwarded:

diff --git a/test/cbc-test.js b/test/cbc-test.js
index d07881c..90b943d 100644
--- a/test/cbc-test.js
+++ b/test/cbc-test.js
@@ -44,16 +44,16 @@ describe('DES-CBC', function() {
 
     vectors.forEach(function(vec, i) {
       it('should encrypt vector ' + i, function() {
-        var key = new Buffer(vec.key, 'hex');
-        var iv = new Buffer(vec.iv, 'hex');
-        var input = new Buffer(vec.input, 'hex');
+        var key = new Buffer.from(vec.key, 'hex');
+        var iv = new Buffer.from(vec.iv, 'hex');
+        var input = new Buffer.from(vec.input, 'hex');
 
         var enc = CBC.create({
           type: 'encrypt',
           key: key,
           iv: iv
         });
-        var out = new Buffer(enc.update(input).concat(enc.final()));
+        var out = new Buffer.from(enc.update(input).concat(enc.final()));
 
         var cipher = crypto.createCipheriv('des-cbc', key, iv);
         var expected = Buffer.concat([ cipher.update(input), cipher.final() ]);
@@ -65,7 +65,7 @@ describe('DES-CBC', function() {
           key: key,
           iv: iv
         });
-        assert.deepEqual(new Buffer(dec.update(out).concat(dec.final())),
+        assert.deepEqual(new Buffer.from(dec.update(out).concat(dec.final())),
                          input);
       });
     });
diff --git a/test/des-test.js b/test/des-test.js
index b6a5ee8..d55c6fd 100644
--- a/test/des-test.js
+++ b/test/des-test.js
@@ -84,8 +84,8 @@ describe('DES', function() {
 
     vectors.forEach(function(vec, i) {
       it('should encrypt vector ' + i, function() {
-        var key = new Buffer(vec.key, 'hex');
-        var input = new Buffer(vec.input, 'hex');
+        var key = new Buffer.from(vec.key, 'hex');
+        var input = new Buffer.from(vec.input, 'hex');
 
         var enc = des.DES.create({
           type: 'encrypt',
@@ -95,23 +95,23 @@ describe('DES', function() {
           type: 'decrypt',
           key: key
         });
-        var out = new Buffer(enc.update(input).concat(enc.final()));
+        var out = new Buffer.from(enc.update(input).concat(enc.final()));
 
-        var cipher = crypto.createCipheriv('des-ecb', key, new Buffer(0));
+        var cipher = crypto.createCipheriv('des-ecb', key, new Buffer.from([]));
         var expected = Buffer.concat([ cipher.update(input), cipher.final() ]);
 
         assert.deepEqual(out, expected);
 
-        assert.deepEqual(new Buffer(dec.update(out).concat(dec.final())),
+        assert.deepEqual(new Buffer.from(dec.update(out).concat(dec.final())),
                          input);
       });
     });
 
     it('should buffer during encryption/decryption', function() {
-      var key = new Buffer('0102030405060708', 'hex');
-      var chunk = new Buffer('01020304050607', 'hex');
+      var key = new Buffer.from('0102030405060708', 'hex');
+      var chunk = new Buffer.from('01020304050607', 'hex');
       var count = 257;
-      var expected = new Buffer(
+      var expected = new Buffer.from(
           new Array(count + 1).join('01020304050607'), 'hex');
 
       var enc = des.DES.create({
@@ -132,7 +132,7 @@ describe('DES', function() {
         out = out.concat(dec.update(cipher.slice(i * 7, (i + 1) * 7)));
       out = out.concat(dec.final(cipher.slice(i * 7)));
 
-      out = new Buffer(out);
+      out = new Buffer.from(out);
       assert.deepEqual(out, expected);
     });
   });
diff --git a/test/ede-test.js b/test/ede-test.js
index 116a76a..b5a2c72 100644
--- a/test/ede-test.js
+++ b/test/ede-test.js
@@ -44,16 +44,16 @@ describe('DES-EDE-CBC', function() {
 
     vectors.forEach(function(vec, i) {
       it('should encrypt vector ' + i, function() {
-        var key = new Buffer(vec.key, 'hex');
-        var iv = new Buffer(vec.iv, 'hex');
-        var input = new Buffer(vec.input, 'hex');
+        var key = new Buffer.from(vec.key, 'hex');
+        var iv = new Buffer.from(vec.iv, 'hex');
+        var input = new Buffer.from(vec.input, 'hex');
 
         var enc = CBC.create({
           type: 'encrypt',
           key: key,
           iv: iv
         });
-        var out = new Buffer(enc.update(input).concat(enc.final()));
+        var out = new Buffer.from(enc.update(input).concat(enc.final()));
 
         var cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
         var expected = Buffer.concat([ cipher.update(input), cipher.final() ]);
@@ -65,7 +65,7 @@ describe('DES-EDE-CBC', function() {
           key: key,
           iv: iv
         });
-        assert.deepEqual(new Buffer(dec.update(out).concat(dec.final())),
+        assert.deepEqual(new Buffer.from(dec.update(out).concat(dec.final())),
                          input);
       });
     });

[indutny]

Sure! It would be way easier if you could submit a PR, but if you prefer to do it in this manner - it works too.

Few comments: new Buffer.from() - are you sure that it shouldn't be just Buffer.from()?

[shrpne]

@bastien-roucaries can you provide a PR please?

[jumoog]

this is fixed now