upload android base code part6

android/system/keymaster/ec_key.cpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2014 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 "ec_key.h"
+
+#if defined(OPENSSL_IS_BORINGSSL)
+typedef size_t openssl_size_t;
+#else
+typedef int openssl_size_t;
+#endif
+
+namespace keymaster {
+
+bool EcKey::EvpToInternal(const EVP_PKEY* pkey) {
+    ec_key_.reset(EVP_PKEY_get1_EC_KEY(const_cast<EVP_PKEY*>(pkey)));
+    return ec_key_.get() != NULL;
+}
+
+bool EcKey::InternalToEvp(EVP_PKEY* pkey) const {
+    return EVP_PKEY_set1_EC_KEY(pkey, ec_key_.get()) == 1;
+}
+
+}  // namespace keymaster