1 files changed, 139 insertions, 0 deletions
diff --git a/node_modules/des.js/test/des-test.js b/node_modules/des.js/test/des-test.js
new file mode 100644
index 000000000..b6a5ee84f
--- /dev/null
+++ b/node_modules/des.js/test/des-test.js
@@ -0,0 +1,139 @@
+'use strict';
+
+var assert = require('assert');
+var crypto = require('crypto');
+var Buffer = require('buffer').Buffer;
+
+var des = require('../');
+
+var fixtures = require('./fixtures');
+var bin = fixtures.bin;
+
+describe('DES', function() {
+  describe('Key Derivation', function() {
+    it('should derive proper keys', function() {
+      var d = des.DES.create({
+        type: 'encrypt',
+        key: [ 0x13, 0x34, 0x57, 0x79, 0x9B, 0xBC, 0xDF, 0xF1 ]
+      });
+
+      var expected = [
+        '000110 110000 001011 101111',
+        '111111 000111 000001 110010',
+        '011110 011010 111011 011001',
+        '110110 111100 100111 100101',
+        '010101 011111 110010 001010',
+        '010000 101100 111110 011001',
+        '011100 101010 110111 010110',
+        '110110 110011 010100 011101',
+        '011111 001110 110000 000111',
+        '111010 110101 001110 101000',
+        '011000 111010 010100 111110',
+        '010100 000111 101100 101111',
+        '111011 001000 010010 110111',
+        '111101 100001 100010 111100',
+        '111101 111000 101000 111010',
+        '110000 010011 101111 111011',
+        '111000 001101 101111 101011',
+        '111011 011110 011110 000001',
+        '101100 011111 001101 000111',
+        '101110 100100 011001 001111',
+        '001000 010101 111111 010011',
+        '110111 101101 001110 000110',
+        '011101 010111 000111 110101',
+        '100101 000110 011111 101001',
+        '100101 111100 010111 010001',
+        '111110 101011 101001 000001',
+        '010111 110100 001110 110111',
+        '111100 101110 011100 111010',
+        '101111 111001 000110 001101',
+        '001111 010011 111100 001010',
+        '110010 110011 110110 001011',
+        '000011 100001 011111 110101'
+      ];
+
+      expected = expected.map(fixtures.bin);
+      assert.deepEqual(d._desState.keys, expected);
+    });
+  });
+
+  describe('encryption/decryption', function() {
+    var vectors = [
+      {
+        key: '133457799bbcdff1',
+        input: '0123456789abcdef'
+      },
+      {
+        key: '0000000000000000',
+        input: '0000000000000000'
+      },
+      {
+        key: 'a3a3a3a3b3b3b3b3',
+        input: 'cccccccccccccccc'
+      },
+      {
+        key: 'deadbeefabbadead',
+        input: '0102030405060708090a'
+      },
+      {
+        key: 'aabbccddeeff0011',
+        input: '0102030405060708090a0102030405060708090a0102030405060708090a' +
+               '0102030405060708090a0102030405060607080a0102030405060708090a'
+      }
+    ];
+
+    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 enc = des.DES.create({
+          type: 'encrypt',
+          key: key
+        });
+        var dec = des.DES.create({
+          type: 'decrypt',
+          key: key
+        });
+        var out = new Buffer(enc.update(input).concat(enc.final()));
+
+        var cipher = crypto.createCipheriv('des-ecb', key, new Buffer(0));
+        var expected = Buffer.concat([ cipher.update(input), cipher.final() ]);
+
+        assert.deepEqual(out, expected);
+
+        assert.deepEqual(new Buffer(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 count = 257;
+      var expected = new Buffer(
+          new Array(count + 1).join('01020304050607'), 'hex');
+
+      var enc = des.DES.create({
+        type: 'encrypt',
+        key: key
+      });
+      var cipher = [];
+      for (var i = 0; i < count; i++)
+        cipher = cipher.concat(enc.update(chunk));
+      cipher = cipher.concat(enc.final());
+
+      var dec = des.DES.create({
+        type: 'decrypt',
+        key: key
+      });
+      var out = [];
+      for (var i = 0; i < count; i++)
+        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);
+      assert.deepEqual(out, expected);
+    });
+  });
+});