remove trailing whitespace

encrypted_strings.gemspec

@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.test_files        = `git ls-files -- test/*`.split("\n")
   s.rdoc_options      = %w(--line-numbers --inline-source --title encrypted_strings --main README.rdoc)
   s.extra_rdoc_files  = %w(README.rdoc CHANGELOG.rdoc LICENSE)
-  
+
   s.add_development_dependency("maxitest")
   s.add_development_dependency("rake")
 end

lib/encrypted_strings/symmetric_cipher.rb

@@ -2,95 +2,95 @@ module EncryptedStrings
   # Indicates no password was specified for the symmetric cipher
   class NoPasswordError < StandardError
   end
-  
+
   # Symmetric encryption uses a specific algorithm and password to encrypt
   # the string.  As long as the algorithm and password are known, the string
   # can be decrypted.
-  # 
+  #
   # Source: http://support.microsoft.com/kb/246071
-  # 
-  # == Encrypting 
-  # 
+  #
+  # == Encrypting
+  #
   # To encrypt a string using a symmetric cipher, the algorithm and password
   # must be specified.  You can define the defaults for these values like so:
-  # 
+  #
   #   EncryptedStrings::SymmetricCipher.default_algorithm = 'des-ecb'
   #   EncryptedStrings::SymmetricCipher.default_password = 'secret'
-  # 
+  #
   # If these configuration options are not passed in to #encrypt, then the
   # default values will be used.  You can override the default values like so:
-  # 
+  #
   #   password = 'shhhh'
   #   password.encrypt(:symmetric, :algorithm => 'des-ecb', :password => 'secret')  # => "S/sEkViX3v4=\n"
-  # 
+  #
   # An exception will be raised if no password is specified.
-  # 
+  #
   # == Decrypting
-  # 
+  #
   # To decrypt a string using an symmetric cipher, the algorithm and password
   # must be specified.  Defaults for these values can be defined as show above.
-  # 
+  #
   # If these configuration options are not passed in to #decrypt, then the
   # default values will be used.  You can override the default values like so:
-  # 
+  #
   #   password = "S/sEkViX3v4=\n"
   #   password.decrypt(:symmetric, :algorithm => 'des-ecb', :password => 'secret') # => "shhhh"
-  # 
+  #
   # An exception will be raised if no password is specified.
   class SymmetricCipher < Cipher
     class << self
       # The default algorithm to use for encryption.  Default is DES-EDE3-CBC.
       attr_accessor :default_algorithm
-      
+
       # The default password to use for generating the key and initialization
       # vector.  Default is nil.
       attr_accessor :default_password
     end
-    
+
     # Set default values
     @default_algorithm = 'DES-EDE3-CBC'
-    
+
     # The algorithm to use for encryption/decryption
     attr_accessor :algorithm
-    
+
     # The password that generates the key/initialization vector for the
     # algorithm
     attr_accessor :password
-    
+
     # Creates a new cipher that uses a symmetric encryption strategy.
-    # 
+    #
     # Configuration options:
     # * <tt>:algorithm</tt> - The algorithm to use for generating the encrypted string
     # * <tt>:password</tt> - The secret value to use for generating the
     #   key/initialization vector for the algorithm
     def initialize(options = {})
       invalid_options = options.keys - [:algorithm, :password]
       raise ArgumentError, "Unknown key(s): #{invalid_options.join(", ")}" unless invalid_options.empty?
-      
+
       options = {
         :algorithm => SymmetricCipher.default_algorithm,
         :password => SymmetricCipher.default_password
       }.merge(options)
-      
+
       self.algorithm = options[:algorithm]
       self.password = options[:password]
       raise NoPasswordError if password.nil?
-      
+
       super()
     end
-    
+
     # Decrypts the current string using the current key and algorithm specified
     def decrypt(data)
       cipher = build_cipher(:decrypt)
       cipher.update(data.unpack('m')[0]) + cipher.final
     end
-    
+
     # Encrypts the current string using the current key and algorithm specified
     def encrypt(data)
       cipher = build_cipher(:encrypt)
       [cipher.update(data) + cipher.final].pack('m')
     end
-    
+
     private
       def build_cipher(type) #:nodoc:
         cipher = OpenSSL::Cipher::Cipher.new(algorithm).send(type)

test/symmetric_cipher_test.rb

@@ -10,19 +10,19 @@ class SymmetricCipherByDefaultTest < Minitest::Test
   def setup
     @symmetric_cipher = EncryptedStrings::SymmetricCipher.new(:password => 'secret')
   end
-  
+
   def test_should_use_default_algorithm
     assert_equal 'DES-EDE3-CBC', @symmetric_cipher.algorithm
   end
-  
+
   def test_should_raise_exception
     assert_raises(EncryptedStrings::NoPasswordError) {EncryptedStrings::SymmetricCipher.new}
   end
-  
+
   def test_should_encrypt_using_default_configuration
     assert_equal "oTxJd67ElLY=\n", @symmetric_cipher.encrypt('test')
   end
-  
+
   def test_should_decrypt_encrypted_string_using_default_configuration
     assert_equal 'test', @symmetric_cipher.decrypt("oTxJd67ElLY=\n")
   end
@@ -32,28 +32,28 @@ class SymmetricCipherWithCustomDefaultsTest < Minitest::Test
   def setup
     @original_default_algorithm = EncryptedStrings::SymmetricCipher.default_algorithm
     @original_default_password = EncryptedStrings::SymmetricCipher.default_password
-    
+
     EncryptedStrings::SymmetricCipher.default_algorithm = 'DES-EDE3-CFB'
     EncryptedStrings::SymmetricCipher.default_password = 'secret'
     @symmetric_cipher = EncryptedStrings::SymmetricCipher.new
   end
-  
+
   def test_should_use_custom_default_algorithm
     assert_equal 'DES-EDE3-CFB', @symmetric_cipher.algorithm
   end
-  
+
   def test_should_use_custom_default_password
     assert_equal 'secret', @symmetric_cipher.password
   end
-  
+
   def test_should_encrypt_using_custom_default_configuration
     assert_equal "QWz/eQ==\n", @symmetric_cipher.encrypt('test')
   end
-  
+
   def test_should_decrypt_encrypted_string_using_custom_default_configuration
     assert_equal 'test', @symmetric_cipher.decrypt("QWz/eQ==\n")
   end
-  
+
   def teardown
     EncryptedStrings::SymmetricCipher.default_algorithm = @original_default_algorithm
     EncryptedStrings::SymmetricCipher.default_password = @original_default_password
@@ -70,7 +70,7 @@ class SymmetricCipherTest < Minitest::Test
   def setup
     @symmetric_cipher = EncryptedStrings::SymmetricCipher.new(:password => 'secret')
   end
-  
+
   def test_should_be_able_to_decrypt
     assert @symmetric_cipher.can_decrypt?
   end
@@ -80,19 +80,19 @@ class SymmetricCipherWithCustomOptionsTest < Minitest::Test
   def setup
     @symmetric_cipher = EncryptedStrings::SymmetricCipher.new(:algorithm => 'DES-EDE3-CFB', :password => 'secret')
   end
-  
+
   def test_should_use_custom_algorithm
     assert_equal 'DES-EDE3-CFB', @symmetric_cipher.algorithm
   end
-  
+
   def test_should_use_custom_password
     assert_equal 'secret', @symmetric_cipher.password
   end
-  
+
   def test_should_encrypt_using_custom_options
     assert_equal "QWz/eQ==\n", @symmetric_cipher.encrypt('test')
   end
-  
+
   def test_should_decrypt_using_custom_options
     assert_equal 'test', @symmetric_cipher.decrypt("QWz/eQ==\n")
   end