Convert file indentation to spaces

app/models/work_info.rb

@@ -4,27 +4,26 @@ class WorkInfo < ActiveRecord::Base
   has_one :key_management, :foreign_key => :user_id, :primary_key => :user_id, :dependent => :destroy
   #before_save :encrypt_ssn
 
-
   # We should probably use this
   def last_four
-     "***-**-" << self.decrypt_ssn[-4,4]
+    "***-**-" << self.decrypt_ssn[-4,4]
   end
 
   def encrypt_ssn
-     aes = OpenSSL::Cipher::Cipher.new(cipher_type)
-     aes.encrypt
-     aes.key = key
-     aes.iv = iv if iv != nil
-     self.encrypted_ssn = aes.update(self.SSN) + aes.final
-     self.SSN = nil
+    aes = OpenSSL::Cipher::Cipher.new(cipher_type)
+    aes.encrypt
+    aes.key = key
+    aes.iv = iv if iv != nil
+    self.encrypted_ssn = aes.update(self.SSN) + aes.final
+    self.SSN = nil
   end
 
   def decrypt_ssn
-     aes = OpenSSL::Cipher::Cipher.new(cipher_type)
-     aes.decrypt
-     aes.key = key
-     aes.iv = iv if iv != nil
-     aes.update(self.encrypted_ssn) + aes.final
+    aes = OpenSSL::Cipher::Cipher.new(cipher_type)
+    aes.decrypt
+    aes.key = key
+    aes.iv = iv if iv != nil
+    aes.update(self.encrypted_ssn) + aes.final
   end
 
   def key
@@ -40,5 +39,4 @@ class WorkInfo < ActiveRecord::Base
   def cipher_type
     'aes-256-cbc'
   end
-
 end