Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/openssl/resources/ec_public_key.rb

@@ -0,0 +1,45 @@
+#
+# Copyright:: Copyright 2018, Chef Software Inc.
+# License:: Apache License, Version 2.0
+#
+# 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.
+#
+
+chef_version_for_provides '< 14.4' if respond_to?(:chef_version_for_provides)
+resource_name :openssl_ec_public_key
+
+include OpenSSLCookbook::Helpers
+
+property :path,                String, name_property: true
+property :private_key_path,    String
+property :private_key_content, String
+property :private_key_pass,    String
+property :owner,               String
+property :group,               String
+property :mode,                [Integer, String], default: '0640'
+
+action :create do
+  raise ArgumentError, "You cannot specify both 'private_key_path' and 'private_key_content' properties at the same time." if new_resource.private_key_path && new_resource.private_key_content
+  raise ArgumentError, "You must specify the private key with either 'private_key_path' or 'private_key_content' properties." unless new_resource.private_key_path || new_resource.private_key_content
+  raise "#{new_resource.private_key_path} not a valid private EC key or password is invalid" unless priv_key_file_valid?((new_resource.private_key_path || new_resource.private_key_content), new_resource.private_key_pass)
+
+  ec_key_content = gen_ec_pub_key((new_resource.private_key_path || new_resource.private_key_content), new_resource.private_key_pass)
+
+  file new_resource.path do
+    action :create
+    owner new_resource.owner unless new_resource.owner.nil?
+    group new_resource.group unless new_resource.group.nil?
+    mode new_resource.mode
+    content ec_key_content
+  end
+end