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#
# Author:: Jay Mundrawala (<jdm@chef.io>)
# Copyright:: Copyright 2015-2016, 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.
#
require "chef/win32/error"
require "chef/win32/api/memory"
require "chef/win32/api/crypto"
require "chef/win32/unicode"
require "digest"
class Chef
module ReservedNames::Win32
class Crypto
include Chef::ReservedNames::Win32::API::Crypto
extend Chef::ReservedNames::Win32::API::Crypto
def self.encrypt(str, &block)
data_blob = CRYPT_INTEGER_BLOB.new
unless CryptProtectData(CRYPT_INTEGER_BLOB.new(str.to_wstring), nil, nil, nil, nil, CRYPTPROTECT_LOCAL_MACHINE, data_blob)
Chef::ReservedNames::Win32::Error.raise!
end
bytes = data_blob[:pbData].get_bytes(0, data_blob[:cbData])
if block
block.call(bytes)
else
Digest.hexencode(bytes)
end
ensure
unless data_blob[:pbData].null?
Chef::ReservedNames::Win32::Memory.local_free(data_blob[:pbData])
end
end
end
end
end
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