Esempio n. 1
0
void check_invalid_signatures(Test::Result& result,
                              Botan::PK_Verifier& verifier,
                              const std::vector<uint8_t>& message,
                              const std::vector<uint8_t>& signature)
   {
   const size_t tests_to_run = (Test::run_long_tests() ? 20 : 5);

   const std::vector<uint8_t> zero_sig(signature.size());
   result.test_eq("all zero signature invalid", verifier.verify_message(message, zero_sig), false);

   for(size_t i = 0; i < tests_to_run; ++i)
      {
      const std::vector<uint8_t> bad_sig = Test::mutate_vec(signature);

      try
         {
         if(!result.test_eq("incorrect signature invalid",
                            verifier.verify_message(message, bad_sig), false))
            {
            result.test_note("Accepted invalid signature " + Botan::hex_encode(bad_sig));
            }
         }
      catch(std::exception& e)
         {
         result.test_note("Accepted invalid signature " + Botan::hex_encode(bad_sig));
         result.test_failure("Modified signature rejected with exception", e.what());
         }
      }
   }
Esempio n. 2
0
void check_invalid_signatures(Test::Result& result,
                              Botan::PK_Verifier& verifier,
                              const std::vector<uint8_t>& message,
                              const std::vector<uint8_t>& signature)
   {
   const std::vector<uint8_t> zero_sig(signature.size());
   result.test_eq("all zero signature invalid", verifier.verify_message(message, zero_sig), false);

   std::vector<uint8_t> bad_sig = signature;

   for(size_t i = 0; i <= Test::soak_level(); ++i)
      {
      while(bad_sig == signature)
         bad_sig = Test::mutate_vec(bad_sig, true);

      if(!result.test_eq("incorrect signature invalid", verifier.verify_message(message, bad_sig), false))
         {
         result.test_note("Accepted invalid signature " + Botan::hex_encode(bad_sig));
         }
      }
   }