mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

javatests/google/registry/testing/BouncyCastleProviderRule.java

@@ -0,0 +1,43 @@
+// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.domain.registry.testing;
+
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+import org.junit.rules.ExternalResource;
+
+import java.security.Security;
+
+/**
+ * JUnit Rule for registering {@link BouncyCastleProvider} with Java Security.
+ *
+ * <p>This rule is necessary in order to use the {@code "BC"} provider of cryptographic functions.
+ * Normally you would perform this registration in your {@code main()} function.
+ *
+ * @see BouncyCastleProvider
+ * @see org.junit.rules.ExternalResource
+ * @see java.security.Security#addProvider(java.security.Provider)
+ */
+public class BouncyCastleProviderRule extends ExternalResource {
+
+  @Override
+  protected void before() throws Exception {
+    Security.addProvider(new BouncyCastleProvider());
+  }
+
+  @Override
+  protected void after() {
+    Security.removeProvider(BouncyCastleProvider.PROVIDER_NAME);
+  }
+}