diff --git a/synapse/rest/key/__init__.py b/synapse/rest/key/__init__.py
new file mode 100644
index 0000000000..1a84d94cd9
--- /dev/null
+++ b/synapse/rest/key/__init__.py
@@ -0,0 +1,14 @@
+# -*- coding: utf-8 -*-
+# Copyright 2015 OpenMarket Ltd
+#
+# 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.
diff --git a/synapse/rest/key/v1/__init__.py b/synapse/rest/key/v1/__init__.py
new file mode 100644
index 0000000000..1a84d94cd9
--- /dev/null
+++ b/synapse/rest/key/v1/__init__.py
@@ -0,0 +1,14 @@
+# -*- coding: utf-8 -*-
+# Copyright 2015 OpenMarket Ltd
+#
+# 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.
diff --git a/synapse/rest/key/v1/server_key_resource.py b/synapse/rest/key/v1/server_key_resource.py
new file mode 100644
index 0000000000..71e9a51f5c
--- /dev/null
+++ b/synapse/rest/key/v1/server_key_resource.py
@@ -0,0 +1,93 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014, 2015 OpenMarket Ltd
+#
+# 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.
+
+
+from twisted.web.resource import Resource
+from synapse.http.server import respond_with_json_bytes
+from syutil.crypto.jsonsign import sign_json
+from syutil.base64util import encode_base64
+from syutil.jsonutil import encode_canonical_json
+from OpenSSL import crypto
+import logging
+
+
+logger = logging.getLogger(__name__)
+
+
+class LocalKey(Resource):
+ """HTTP resource containing encoding the TLS X.509 certificate and NACL
+ signature verification keys for this server::
+
+ GET /key HTTP/1.1
+
+ HTTP/1.1 200 OK
+ Content-Type: application/json
+ {
+ "server_name": "this.server.example.com"
+ "verify_keys": {
+ "algorithm:version": # base64 encoded NACL verification key.
+ },
+ "tls_certificate": # base64 ASN.1 DER encoded X.509 tls cert.
+ "signatures": {
+ "this.server.example.com": {
+ "algorithm:version": # NACL signature for this server.
+ }
+ }
+ }
+ """
+
+ def __init__(self, hs):
+ self.hs = hs
+ self.version_string = hs.version_string
+ self.response_body = encode_canonical_json(
+ self.response_json_object(hs.config)
+ )
+ Resource.__init__(self)
+
+ @staticmethod
+ def response_json_object(server_config):
+ verify_keys = {}
+ for key in server_config.signing_key:
+ verify_key_bytes = key.verify_key.encode()
+ key_id = "%s:%s" % (key.alg, key.version)
+ verify_keys[key_id] = encode_base64(verify_key_bytes)
+
+ x509_certificate_bytes = crypto.dump_certificate(
+ crypto.FILETYPE_ASN1,
+ server_config.tls_certificate
+ )
+ json_object = {
+ u"server_name": server_config.server_name,
+ u"verify_keys": verify_keys,
+ u"tls_certificate": encode_base64(x509_certificate_bytes)
+ }
+ for key in server_config.signing_key:
+ json_object = sign_json(
+ json_object,
+ server_config.server_name,
+ key,
+ )
+
+ return json_object
+
+ def render_GET(self, request):
+ return respond_with_json_bytes(
+ request, 200, self.response_body,
+ version_string=self.version_string
+ )
+
+ def getChild(self, name, request):
+ if name == '':
+ return self
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