Relicensing. This will not be applied to older versions.

- GPLv3
+ MPL-2.0

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## Version 4.0.1 (2017-10-19)
+
+* Prompted by [#67](https://github.com/paragonie/halite/issues/67), Halite is now available
+  under the terms of the Mozilla Public License 2.0 (MPL-2.0). Using Halite to build products
+  that restrict user freedom (such as DRM) is highly discouraged, but not forbidden.
+
 ## Version 4.0.0 (2017-09-16)
 
 * Bump minimum PHP version to **7.2.0**, which will be available before the end of 2017

README.md

@@ -12,14 +12,18 @@ Halite was created by [Paragon Initiative Enterprises](https://paragonie.com) as
 a result of our continued efforts to improve the ecosystem and make [cryptography in PHP](https://paragonie.com/blog/2015/09/state-cryptography-in-php)
 safer and easier to implement.
 
-It's released under the GPLv3 license. [Commercial licenses are available](https://paragonie.com/contact) from
-Paragon Initiative Enterprises if you wish to implement Halite in an application
-without making your source code available under a GPL-compatible license.
+Halite is released under Mozilla Public License 2.0. [Commercial licenses are available](https://paragonie.com/contact)
+from Paragon Initiative Enterprises if you wish to extend Halite without making your
+derivative works available under the terms of the MPL.
 
-If you are satisfied with the terms of GPLv3 software for backend web applications
+If you are satisfied with the terms of MPL software for backend web applications
 but would like to purchase a support contract for your application that uses Halite,
 those are also offered by Paragon Initiative Enterprises.
 
+**Important:** Earlier versions of Halite were available under the GNU Public License
+version 3 (GPLv3). Only Halite 4.0.1 and newer are available under the Mozille Public
+License terms.
+
 ## Installing Halite
 
 Before you can use Halite, you must choose a version that fits the requirements 

composer.json

@@ -15,7 +15,7 @@
         "phpunit/phpunit": "^6",
         "vimeo/psalm": "^0|^1"
     },
-    "license": "GPL3",
+    "license": "MPL-2.0",
     "authors": [
         {
             "name": "Paragon Initiative Enterprises",

src/Alerts/CannotCloneKey.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class CannotCloneKey
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class CannotCloneKey extends HaliteAlert
 {
 

src/Alerts/CannotPerformOperation.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class CannotPerformOperation
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class CannotPerformOperation extends HaliteAlert
 {
 

src/Alerts/CannotSerializeKey.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class CannotSerializeKey
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class CannotSerializeKey extends HaliteAlert
 {
 

src/Alerts/ConfigDirectiveNotFound.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class ConfigDirectiveNotFound
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class ConfigDirectiveNotFound extends HaliteAlert
 {
 

src/Alerts/FileAccessDenied.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class FileAccessDenied
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class FileAccessDenied extends HaliteAlert
 {
 

src/Alerts/FileModified.php

@@ -2,7 +2,15 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class FileModified
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class FileModified extends HaliteAlert
 {
 
-}
+}

src/Alerts/HaliteAlert.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class HaliteAlert
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class HaliteAlert extends \Exception
 {
 

src/Alerts/InvalidDigestLength.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class InvalidDigestLength
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class InvalidDigestLength extends HaliteAlert
 {
 

src/Alerts/InvalidFlags.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class InvalidFlags
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class InvalidFlags extends HaliteAlert
 {
 

src/Alerts/InvalidKey.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class InvalidKey
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class InvalidKey extends HaliteAlert
 {
 

src/Alerts/InvalidMessage.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class InvalidMessage
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class InvalidMessage extends HaliteAlert
 {
 

src/Alerts/InvalidSalt.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class InvalidSalt
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class InvalidSalt extends HaliteAlert
 {
 

src/Alerts/InvalidSignature.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class InvalidSignature
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class InvalidSignature extends HaliteAlert
 {
 

src/Alerts/InvalidType.php

@@ -2,6 +2,14 @@
 declare(strict_types=1);
 namespace ParagonIE\Halite\Alerts;
 
+/**
+ * Class InvalidType
+ * @package ParagonIE\Halite\Alerts
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 class InvalidType extends HaliteAlert
 {
 

src/Asymmetric/Crypto.php

@@ -28,6 +28,10 @@
  * @ref http://php.net/manual/en/functions.returning-values.php#functions.returning-values.type-declaration
  *
  * @package ParagonIE\Halite\Asymmetric
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 final class Crypto
 {

src/Asymmetric/EncryptionPublicKey.php

@@ -9,6 +9,10 @@
 /**
  * Class EncryptionPublicKey
  * @package ParagonIE\Halite\Asymmetric
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 final class EncryptionPublicKey extends PublicKey
 {

src/Asymmetric/EncryptionSecretKey.php

@@ -9,6 +9,10 @@
 /**
  * Class EncryptionSecretKey
  * @package ParagonIE\Halite\Asymmetric
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 final class EncryptionSecretKey extends SecretKey
 {

src/Asymmetric/PublicKey.php

@@ -8,6 +8,10 @@
 /**
  * Class PublicKey
  * @package ParagonIE\Halite\Asymmetric
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 class PublicKey extends Key
 {

src/Asymmetric/SecretKey.php

@@ -8,6 +8,10 @@
 /**
  * Class SecretKey
  * @package ParagonIE\Halite\Asymmetric
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 class SecretKey extends Key
 {

src/Asymmetric/SignaturePublicKey.php

@@ -9,6 +9,10 @@
 /**
  * Class SignaturePublicKey
  * @package ParagonIE\Halite\Asymmetric
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 final class SignaturePublicKey extends PublicKey
 {

src/Asymmetric/SignatureSecretKey.php

@@ -9,6 +9,10 @@
 /**
  * Class SignatureSecretKey
  * @package ParagonIE\Halite\Asymmetric
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 final class SignatureSecretKey extends SecretKey
 {

src/Config.php

@@ -15,6 +15,10 @@
  * @ref http://php.net/manual/en/functions.returning-values.php#functions.returning-values.type-declaration
  *
  * @package ParagonIE\Halite
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 class Config
 {

src/Contract/StreamInterface.php

@@ -18,6 +18,10 @@
  * @ref http://php.net/manual/en/functions.returning-values.php#functions.returning-values.type-declaration
  *
  * @package ParagonIE\Halite\Contract
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 interface StreamInterface
 {

src/Cookie.php

@@ -24,6 +24,10 @@
  * @ref http://php.net/manual/en/functions.returning-values.php#functions.returning-values.type-declaration
  *
  * @package ParagonIE\Halite
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 final class Cookie 
 {

src/EncryptionKeyPair.php

@@ -19,6 +19,10 @@
  * @ref http://php.net/manual/en/functions.returning-values.php#functions.returning-values.type-declaration
  *
  * @package ParagonIE\Halite
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 final class EncryptionKeyPair extends KeyPair
 {

src/File.php

@@ -34,6 +34,10 @@
  * @ref http://php.net/manual/en/functions.returning-values.php#functions.returning-values.type-declaration
  *
  * @package ParagonIE\Halite
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 final class File
 {

src/Halite.php

@@ -29,6 +29,10 @@
  * @ref http://php.net/manual/en/functions.returning-values.php#functions.returning-values.type-declaration
  *
  * @package ParagonIE\Halite
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 final class Halite
 {