Switch keystore to binder
Change-Id: I6dacdc43bcc1a56e47655e37e825ee6a205eb56b
diff --git a/keystore/keystore_get.cpp b/keystore/keystore_get.cpp
new file mode 100644
index 0000000..45ad415
--- /dev/null
+++ b/keystore/keystore_get.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#include <keystore/IKeystoreService.h>
+#include <binder/IServiceManager.h>
+
+#include <keystore/keystore_get.h>
+
+using namespace android;
+
+ssize_t keystore_get(const char *key, size_t keyLength, uint8_t** value) {
+ sp<IServiceManager> sm = defaultServiceManager();
+ sp<IBinder> binder = sm->getService(String16("android.security.keystore"));
+ sp<IKeystoreService> service = interface_cast<IKeystoreService>(binder);
+
+ if (service == NULL) {
+ return -1;
+ }
+
+ size_t valueLength;
+ int32_t ret = service->get(String16(key, keyLength), value, &valueLength);
+ if (ret < 0) {
+ return -1;
+ } else if (ret != ::NO_ERROR) {
+ return -1;
+ } else {
+ return valueLength;
+ }
+}