diff options
Diffstat (limited to 'activesupport/lib/active_support')
| -rw-r--r-- | activesupport/lib/active_support/security_utils.rb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/security_utils.rb b/activesupport/lib/active_support/security_utils.rb index 64c4801179..9be8613ada 100644 --- a/activesupport/lib/active_support/security_utils.rb +++ b/activesupport/lib/active_support/security_utils.rb @@ -1,3 +1,5 @@ +require 'digest' + module ActiveSupport module SecurityUtils # Constant time string comparison. @@ -16,5 +18,10 @@ module ActiveSupport res == 0 end module_function :secure_compare + + def variable_size_secure_compare(a, b) # :nodoc: + secure_compare(::Digest::SHA256.hexdigest(a), ::Digest::SHA256.hexdigest(b)) + end + module_function :variable_size_secure_compare end end |