diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..4b41dcd
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,19 @@
+name: "asn1crypto"
+description: "A fast, pure Python library for parsing and serializing ASN.1 structures."
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://github.com/wbond/asn1crypto"
+  }
+  url {
+    type: GIT
+    value: "https://github.com/wbond/asn1crypto"
+  }
+  version: "1.3.0"
+  license_type: NOTICE
+  last_upgrade_date {
+    year: 2020
+    month: 1
+    day: 4
+  }
+}
diff --git a/MODULE_LICENSE_MIT b/MODULE_LICENSE_MIT
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/MODULE_LICENSE_MIT
diff --git a/NOTICE b/NOTICE
new file mode 120000
index 0000000..7a694c9
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1 @@
+LICENSE
\ No newline at end of file
diff --git a/TEST_MAPPING b/TEST_MAPPING
new file mode 100644
index 0000000..61a80b2
--- /dev/null
+++ b/TEST_MAPPING
@@ -0,0 +1,8 @@
+{
+  "presubmit" : [
+    {
+      "name" : "acloud_test",
+      "host" : true
+    }
+  ]
+}
diff --git a/asn1crypto/Android.bp b/asn1crypto/Android.bp
new file mode 100644
index 0000000..43e55a3
--- /dev/null
+++ b/asn1crypto/Android.bp
@@ -0,0 +1,30 @@
+// Copyright 2019 Google Inc. 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.
+python_library {
+    name: "py-asn1crypto",
+    host_supported: true,
+    srcs: [
+        "*.py",
+        "_perf/*.py",
+    ],
+    version: {
+        py2: {
+            enabled: true,
+        },
+        py3: {
+            enabled: true,
+        },
+    },
+    pkg_path: "asn1crypto",
+}