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# frozen_string_literal: true =begin = Info 'OpenSSL for Ruby 2' project Copyright (C) 2002 Michal Rokos <m.rokos@sh.cvut.cz> All rights reserved. = Licence This program is licensed under the same licence as Ruby. (See the file 'LICENCE'.) =end require 'openssl.so' require_relative 'openssl/bn' require_relative 'openssl/pkey' require_relative 'openssl/cipher' require_relative 'openssl/digest' require_relative 'openssl/hmac' require_relative 'openssl/x509' require_relative 'openssl/ssl' require_relative 'openssl/pkcs5' require_relative 'openssl/version' module OpenSSL # call-seq: # OpenSSL.secure_compare(string, string) -> boolean # # Constant time memory comparison. Inputs are hashed using SHA-256 to mask # the length of the secret. Returns +true+ if the strings are identical, # +false+ otherwise. def self.secure_compare(a, b) hashed_a = OpenSSL::Digest.digest('SHA256', a) hashed_b = OpenSSL::Digest.digest('SHA256', b) OpenSSL.fixed_length_secure_compare(hashed_a, hashed_b) && a == b end end