crypto: disable crypto.createCipher in FIPS mode

FIPS 140-2 disallows use of MD5, which is used to derive the
initialization vector and key for createCipher(). Modify
all tests to expect exceptions in FIPS mode when disallowed
API is used, or to avoid testing such API in FIPS Mode.

PR-URL: https://github.com/nodejs/node/pull/3754
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Shigeki Ohtsu <ohtsu@iij.ad.jp>
Reviewed-By: James M Snell <jasnell@gmail.com>

src/node_crypto.cc

@@ -3054,6 +3054,11 @@ void CipherBase::Init(const char* cipher_type,
                       int key_buf_len) {
   HandleScope scope(env()->isolate());
 
+#ifdef NODE_FIPS_MODE
+  return env()->ThrowError(
+    "crypto.createCipher() is not supported in FIPS mode.");
+#endif  // NODE_FIPS_MODE
+
   CHECK_EQ(cipher_, nullptr);
   cipher_ = EVP_get_cipherbyname(cipher_type);
   if (cipher_ == nullptr) {

test/parallel/test-crypto-authenticated.js

@@ -93,32 +93,44 @@ for (var i in TEST_CASES) {
 
   (function() {
     if (!test.password) return;
-    var encrypt = crypto.createCipher(test.algo, test.password);
-    if (test.aad)
-      encrypt.setAAD(new Buffer(test.aad, 'hex'));
-    var hex = encrypt.update(test.plain, 'ascii', 'hex');
-    hex += encrypt.final('hex');
-    var auth_tag = encrypt.getAuthTag();
-    // only test basic encryption run if output is marked as tampered.
-    if (!test.tampered) {
-      assert.equal(hex.toUpperCase(), test.ct);
-      assert.equal(auth_tag.toString('hex').toUpperCase(), test.tag);
+    if (common.hasFipsCrypto) {
+      assert.throws(function()
+                    { crypto.createCipher(test.algo, test.password); },
+                    /not supported in FIPS mode/);
+    } else {
+      var encrypt = crypto.createCipher(test.algo, test.password);
+      if (test.aad)
+        encrypt.setAAD(new Buffer(test.aad, 'hex'));
+      var hex = encrypt.update(test.plain, 'ascii', 'hex');
+      hex += encrypt.final('hex');
+      var auth_tag = encrypt.getAuthTag();
+      // only test basic encryption run if output is marked as tampered.
+      if (!test.tampered) {
+        assert.equal(hex.toUpperCase(), test.ct);
+        assert.equal(auth_tag.toString('hex').toUpperCase(), test.tag);
+      }
     }
   })();
 
   (function() {
     if (!test.password) return;
-    var decrypt = crypto.createDecipher(test.algo, test.password);
-    decrypt.setAuthTag(new Buffer(test.tag, 'hex'));
-    if (test.aad)
-      decrypt.setAAD(new Buffer(test.aad, 'hex'));
-    var msg = decrypt.update(test.ct, 'hex', 'ascii');
-    if (!test.tampered) {
-      msg += decrypt.final('ascii');
-      assert.equal(msg, test.plain);
+    if (common.hasFipsCrypto) {
+      assert.throws(function()
+                    { crypto.createDecipher(test.algo, test.password); },
+                    /not supported in FIPS mode/);
     } else {
-      // assert that final throws if input data could not be verified!
-      assert.throws(function() { decrypt.final('ascii'); }, / auth/);
+      var decrypt = crypto.createDecipher(test.algo, test.password);
+      decrypt.setAuthTag(new Buffer(test.tag, 'hex'));
+      if (test.aad)
+        decrypt.setAAD(new Buffer(test.aad, 'hex'));
+      var msg = decrypt.update(test.ct, 'hex', 'ascii');
+      if (!test.tampered) {
+        msg += decrypt.final('ascii');
+        assert.equal(msg, test.plain);
+      } else {
+        // assert that final throws if input data could not be verified!
+        assert.throws(function() { decrypt.final('ascii'); }, / auth/);
+      }
     }
   })();
 

test/parallel/test-crypto-binary-default.js

@@ -496,12 +496,13 @@ function testCipher4(key, iv) {
   assert.equal(txt, plaintext, 'encryption and decryption with key and iv');
 }
 
+if (!common.hasFipsCrypto) {
+  testCipher1('MySecretKey123');
+  testCipher1(new Buffer('MySecretKey123'));
 
-testCipher1('MySecretKey123');
-testCipher1(new Buffer('MySecretKey123'));
-
-testCipher2('0123456789abcdef');
-testCipher2(new Buffer('0123456789abcdef'));
+  testCipher2('0123456789abcdef');
+  testCipher2(new Buffer('0123456789abcdef'));
+}
 
 testCipher3('0123456789abcd0123456789', '12345678');
 testCipher3('0123456789abcd0123456789', new Buffer('12345678'));

test/parallel/test-crypto-cipher-decipher.js

@@ -6,6 +6,10 @@ if (!common.hasCrypto) {
   console.log('1..0 # Skipped: missing crypto');
   return;
 }
+if (common.hasFipsCrypto) {
+  console.log('1..0 # Skipped: not supported in FIPS mode');
+  return;
+}
 var crypto = require('crypto');
 
 function testCipher1(key) {
@@ -62,71 +66,12 @@ function testCipher2(key) {
   assert.equal(txt, plaintext, 'encryption and decryption with Base64');
 }
 
-
-function testCipher3(key, iv) {
-  // Test encyrption and decryption with explicit key and iv
-  var plaintext =
-      '32|RmVZZkFUVmpRRkp0TmJaUm56ZU9qcnJkaXNNWVNpTTU*|iXmckfRWZBGWWELw' +
-      'eCBsThSsfUHLeRe0KCsK8ooHgxie0zOINpXxfZi/oNG7uq9JWFVCk70gfzQH8ZUJ' +
-      'jAfaFg**';
-  var cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
-  var ciph = cipher.update(plaintext, 'utf8', 'hex');
-  ciph += cipher.final('hex');
-
-  var decipher = crypto.createDecipheriv('des-ede3-cbc', key, iv);
-  var txt = decipher.update(ciph, 'hex', 'utf8');
-  txt += decipher.final('utf8');
-
-  assert.equal(txt, plaintext, 'encryption and decryption with key and iv');
-
-  // streaming cipher interface
-  // NB: In real life, it's not guaranteed that you can get all of it
-  // in a single read() like this.  But in this case, we know it's
-  // quite small, so there's no harm.
-  var cStream = crypto.createCipheriv('des-ede3-cbc', key, iv);
-  cStream.end(plaintext);
-  ciph = cStream.read();
-
-  var dStream = crypto.createDecipheriv('des-ede3-cbc', key, iv);
-  dStream.end(ciph);
-  txt = dStream.read().toString('utf8');
-
-  assert.equal(txt, plaintext, 'streaming cipher iv');
-}
-
-
-function testCipher4(key, iv) {
-  // Test encyrption and decryption with explicit key and iv
-  var plaintext =
-      '32|RmVZZkFUVmpRRkp0TmJaUm56ZU9qcnJkaXNNWVNpTTU*|iXmckfRWZBGWWELw' +
-      'eCBsThSsfUHLeRe0KCsK8ooHgxie0zOINpXxfZi/oNG7uq9JWFVCk70gfzQH8ZUJ' +
-      'jAfaFg**';
-  var cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
-  var ciph = cipher.update(plaintext, 'utf8', 'buffer');
-  ciph = Buffer.concat([ciph, cipher.final('buffer')]);
-
-  var decipher = crypto.createDecipheriv('des-ede3-cbc', key, iv);
-  var txt = decipher.update(ciph, 'buffer', 'utf8');
-  txt += decipher.final('utf8');
-
-  assert.equal(txt, plaintext, 'encryption and decryption with key and iv');
-}
-
-
 testCipher1('MySecretKey123');
 testCipher1(new Buffer('MySecretKey123'));
 
 testCipher2('0123456789abcdef');
 testCipher2(new Buffer('0123456789abcdef'));
 
-testCipher3('0123456789abcd0123456789', '12345678');
-testCipher3('0123456789abcd0123456789', new Buffer('12345678'));
-testCipher3(new Buffer('0123456789abcd0123456789'), '12345678');
-testCipher3(new Buffer('0123456789abcd0123456789'), new Buffer('12345678'));
-
-testCipher4(new Buffer('0123456789abcd0123456789'), new Buffer('12345678'));
-
-
 // Base64 padding regression test, see #4837.
 (function() {
   var c = crypto.createCipher('aes-256-cbc', 'secret');

test/parallel/test-crypto-cipheriv-decipheriv.js

@@ -0,0 +1,65 @@
+'use strict';
+var common = require('../common');
+var assert = require('assert');
+
+if (!common.hasCrypto) {
+  console.log('1..0 # Skipped: missing crypto');
+  return;
+}
+var crypto = require('crypto');
+
+function testCipher1(key, iv) {
+  // Test encyrption and decryption with explicit key and iv
+  var plaintext =
+      '32|RmVZZkFUVmpRRkp0TmJaUm56ZU9qcnJkaXNNWVNpTTU*|iXmckfRWZBGWWELw' +
+      'eCBsThSsfUHLeRe0KCsK8ooHgxie0zOINpXxfZi/oNG7uq9JWFVCk70gfzQH8ZUJ' +
+      'jAfaFg**';
+  var cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
+  var ciph = cipher.update(plaintext, 'utf8', 'hex');
+  ciph += cipher.final('hex');
+
+  var decipher = crypto.createDecipheriv('des-ede3-cbc', key, iv);
+  var txt = decipher.update(ciph, 'hex', 'utf8');
+  txt += decipher.final('utf8');
+
+  assert.equal(txt, plaintext, 'encryption and decryption with key and iv');
+
+  // streaming cipher interface
+  // NB: In real life, it's not guaranteed that you can get all of it
+  // in a single read() like this.  But in this case, we know it's
+  // quite small, so there's no harm.
+  var cStream = crypto.createCipheriv('des-ede3-cbc', key, iv);
+  cStream.end(plaintext);
+  ciph = cStream.read();
+
+  var dStream = crypto.createDecipheriv('des-ede3-cbc', key, iv);
+  dStream.end(ciph);
+  txt = dStream.read().toString('utf8');
+
+  assert.equal(txt, plaintext, 'streaming cipher iv');
+}
+
+
+function testCipher2(key, iv) {
+  // Test encyrption and decryption with explicit key and iv
+  var plaintext =
+      '32|RmVZZkFUVmpRRkp0TmJaUm56ZU9qcnJkaXNNWVNpTTU*|iXmckfRWZBGWWELw' +
+      'eCBsThSsfUHLeRe0KCsK8ooHgxie0zOINpXxfZi/oNG7uq9JWFVCk70gfzQH8ZUJ' +
+      'jAfaFg**';
+  var cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
+  var ciph = cipher.update(plaintext, 'utf8', 'buffer');
+  ciph = Buffer.concat([ciph, cipher.final('buffer')]);
+
+  var decipher = crypto.createDecipheriv('des-ede3-cbc', key, iv);
+  var txt = decipher.update(ciph, 'buffer', 'utf8');
+  txt += decipher.final('utf8');
+
+  assert.equal(txt, plaintext, 'encryption and decryption with key and iv');
+}
+
+testCipher1('0123456789abcd0123456789', '12345678');
+testCipher1('0123456789abcd0123456789', new Buffer('12345678'));
+testCipher1(new Buffer('0123456789abcd0123456789'), '12345678');
+testCipher1(new Buffer('0123456789abcd0123456789'), new Buffer('12345678'));
+
+testCipher2(new Buffer('0123456789abcd0123456789'), new Buffer('12345678'));

test/parallel/test-crypto-dh.js

@@ -58,7 +58,7 @@ assert.equal(secret1, secret3);
 
 // Run this one twice to make sure that the dh3 clears its error properly
 (function() {
-  var c = crypto.createDecipher('aes-128-ecb', '');
+  var c = crypto.createDecipheriv('aes-128-ecb', crypto.randomBytes(16), '');
   assert.throws(function() { c.final('utf8'); }, /wrong final block length/);
 })();
 
@@ -67,7 +67,7 @@ assert.throws(function() {
 }, /key is too small/i);
 
 (function() {
-  var c = crypto.createDecipher('aes-128-ecb', '');
+  var c = crypto.createDecipheriv('aes-128-ecb', crypto.randomBytes(16), '');
   assert.throws(function() { c.final('utf8'); }, /wrong final block length/);
 })();
 

test/parallel/test-crypto.js

@@ -93,11 +93,11 @@ assertSorted(crypto.getCurves());
 // throw, not assert in C++ land.
 assert.throws(function() {
   crypto.createCipher('aes192', 'test').update('0', 'hex');
-}, /Bad input string/);
+}, common.hasFipsCrypto ? /not supported in FIPS mode/ : /Bad input string/);
 
 assert.throws(function() {
   crypto.createDecipher('aes192', 'test').update('0', 'hex');
-}, /Bad input string/);
+}, common.hasFipsCrypto ? /not supported in FIPS mode/ : /Bad input string/);
 
 assert.throws(function() {
   crypto.createHash('sha1').update('0', 'hex');