Merge pull request ruby-ldap#303 from ICIJ/master

Use Base64.strict_encode64 and SSHA256

Author: HarlemSquirrel

lib/net/ldap/password.rb

@@ -1,5 +1,6 @@
 # -*- ruby encoding: utf-8 -*-
 require 'digest/sha1'
+require 'digest/sha2'
 require 'digest/md5'
 require 'base64'
 require 'securerandom'
@@ -28,6 +29,9 @@ def generate(type, str)
       when :ssha
          salt = SecureRandom.random_bytes(16)
          '{SSHA}' + Base64.strict_encode64(Digest::SHA1.digest(str + salt) + salt)
+      when :ssha256
+        salt = SecureRandom.random_bytes(16)
+        '{SSHA256}' + Base64.strict_encode64(Digest::SHA256.digest(str + salt) + salt)
       else
          raise Net::LDAP::HashTypeUnsupportedError, "Unsupported password-hash type (#{type})"
       end

test/test_password.rb

@@ -7,4 +7,9 @@ def test_psw
     assert_equal("{MD5}xq8jwrcfibi0sZdZYNkSng==", Net::LDAP::Password.generate(:md5, "cashflow"))
     assert_equal("{SHA}YE4eGkN4BvwNN1f5R7CZz0kFn14=", Net::LDAP::Password.generate(:sha, "cashflow"))
   end
+
+  def test_psw_with_ssha256_should_not_contain_linefeed
+    flexmock(SecureRandom).should_receive(:random_bytes).and_return('\xE5\x8A\x99\xF8\xCB\x15GW\xE8\xEA\xAD\x0F\xBF\x95\xB0\xDC')
+    assert_equal("{SSHA256}Cc7MXboTyUP5PnPAeJeCrgMy8+7Gus0sw7kBJuTrmf1ceEU1XHg4QVx4OTlceEY4XHhDQlx4MTVHV1x4RThceEVBXHhBRFx4MEZceEJGXHg5NVx4QjBceERD", Net::LDAP::Password.generate( :ssha256, "cashflow" ))
+  end
 end