Methods
Class Public methods
fixed_length_secure_compare(a, b)
📝 Source code
# File activesupport/lib/active_support/security_utils.rb, line 11
def fixed_length_secure_compare(a, b)
OpenSSL.fixed_length_secure_compare(a, b)
endsecure_compare(a, b)
Secure string comparison for strings of variable length.
While a timing attack would not be able to discern the content of a secret compared via secure_compare, it is possible to determine the secret length. This should be considered when using secure_compare to compare weak, short secrets to user input.
📝 Source code
# File activesupport/lib/active_support/security_utils.rb, line 33
def secure_compare(a, b)
a.bytesize == b.bytesize && fixed_length_secure_compare(a, b)
end