Moved BCrypt logic to a encryptor

lib/devise.rb

@@ -23,6 +23,7 @@ module Devise
   module Encryptors
     autoload :Base, 'devise/encryptors/base'
     autoload :AuthlogicSha512, 'devise/encryptors/authlogic_sha512'
+    autoload :BCrypt, 'devise/encryptors/bcrypt'
     autoload :ClearanceSha1, 'devise/encryptors/clearance_sha1'
     autoload :RestfulAuthenticationSha1, 'devise/encryptors/restful_authentication_sha1'
     autoload :Sha512, 'devise/encryptors/sha512'

lib/devise/encryptors/bcrypt.rb

@@ -0,0 +1,9 @@
+module Devise
+  module Encryptors
+    class BCrypt < Base
+      def self.digest(password, salt, stretches, pepper)
+        ::BCrypt::Engine.hash_secret("#{password}#{pepper}",salt, stretches)
+      end
+    end
+  end
+end

lib/devise/models/database_authenticatable.rb

@@ -41,7 +41,7 @@ module Devise
       def valid_password?(password)
         return false if encrypted_password.blank?
         bcrypt   = ::BCrypt::Password.new(self.encrypted_password)
-        password = ::BCrypt::Engine.hash_secret("#{password}#{self.class.pepper}", bcrypt.salt)
+        password = Devise::Encryptors::BCrypt.digest(password, bcrypt.salt, self.class.stretches, self.class.pepper)
         Devise.secure_compare(password, self.encrypted_password)
       end
 
@@ -107,7 +107,7 @@ module Devise
 
       # Digests the password using bcrypt.
       def password_digest(password)
-        ::BCrypt::Password.create("#{password}#{self.class.pepper}", :cost => self.class.stretches).to_s
+        Devise::Encryptors::BCrypt.digest(password, ::BCrypt::Engine.generate_salt, self.class.stretches, self.class.pepper)
       end
 
       module ClassMethods