diff options
| -rw-r--r-- | actionpack/lib/action_controller/metal/request_forgery_protection.rb | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/actionpack/lib/action_controller/metal/request_forgery_protection.rb b/actionpack/lib/action_controller/metal/request_forgery_protection.rb index fc9cf8aaff..953f3c47ed 100644 --- a/actionpack/lib/action_controller/metal/request_forgery_protection.rb +++ b/actionpack/lib/action_controller/metal/request_forgery_protection.rb @@ -400,9 +400,14 @@ module ActionController #:nodoc: end def xor_byte_strings(s1, s2) # :doc: - s2_bytes = s2.bytes - s1.each_byte.with_index { |c1, i| s2_bytes[i] ^= c1 } - s2_bytes.pack("C*") + s2 = s2.dup + size = s1.bytesize + i = 0 + while i < size + s2.setbyte(i, s1.getbyte(i) ^ s2.getbyte(i)) + i += 1 + end + s2 end # The form's authenticity parameter. Override to provide your own. |