diff options
Diffstat (limited to 'activesupport/lib/active_support')
| -rw-r--r-- | activesupport/lib/active_support/message_verifier.rb | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/message_verifier.rb b/activesupport/lib/active_support/message_verifier.rb index 1031662293..6c46b68eaf 100644 --- a/activesupport/lib/active_support/message_verifier.rb +++ b/activesupport/lib/active_support/message_verifier.rb @@ -47,11 +47,11 @@ module ActiveSupport def secure_compare(a, b) return false unless a.bytesize == b.bytesize - l = a.unpack "C*" + l = a.unpack "C#{a.bytesize}" - res = true - b.each_byte { |byte| res = (byte == l.shift) && res } - res + res = 0 + b.each_byte { |byte| res |= byte ^ l.shift } + res == 0 end def generate_digest(data) |