diff options
Diffstat (limited to 'ext/openssl/lib/openssl.rb')
| -rw-r--r-- | ext/openssl/lib/openssl.rb | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/ext/openssl/lib/openssl.rb b/ext/openssl/lib/openssl.rb index 0914282920..7ba2229a1b 100644 --- a/ext/openssl/lib/openssl.rb +++ b/ext/openssl/lib/openssl.rb @@ -1,4 +1,4 @@ -# frozen_string_literal: false +# frozen_string_literal: true =begin = Info 'OpenSSL for Ruby 2' project @@ -12,11 +12,26 @@ require 'openssl.so' -require 'openssl/bn' -require 'openssl/pkey' -require 'openssl/cipher' -require 'openssl/config' -require 'openssl/digest' -require 'openssl/x509' -require 'openssl/ssl' -require 'openssl/pkcs5' +require_relative 'openssl/bn' +require_relative 'openssl/pkey' +require_relative 'openssl/cipher' +require_relative 'openssl/config' +require_relative 'openssl/digest' +require_relative 'openssl/hmac' +require_relative 'openssl/x509' +require_relative 'openssl/ssl' +require_relative 'openssl/pkcs5' + +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::SHA256.digest(a) + hashed_b = OpenSSL::Digest::SHA256.digest(b) + OpenSSL.fixed_length_secure_compare(hashed_a, hashed_b) && a == b + end +end |