Hi Jeff, The time is taken up all on the one line:
StringSource ss(message, true, new StreamTransformationFilter(e, new StringSink(cipher))); *Do you know what might be the difference versus the .exe test ? <TR><TD>AES/CFB (128-bit key)<TD>ARMv8<TD>344<TD>4.99<TD>1.135<TD>2044* Encrypted 1at: 05/12/2023 15:40:55.588 Encrypted 2at: 05/12/2023 15:40:55.588 Encrypted 3at: 05/12/2023 15:40:55.588 returning cipher Encrypted 4at: 05/12/2023 15:40:56.599 Encrypted at: 05/12/2023 15:40:56.600 std::string encrypt_aes(std::string message, SecByteBlock key, SecByteBlock iv) { try { cout <<" in encrypt aes " <<endl; cout << " Encrypted 1at: " << get_curr_datetime_str() << endl; AlgorithmParameters params = MakeParameters(Name::FeedbackSize(), 1 /*8-bits*/) (Name::IV(), ConstByteArrayParameter(iv)); cout << " Encrypted 2at: " << get_curr_datetime_str() << endl; CFB_Mode<AES>::Encryption e; std::string cipher; cipher.reserve(message.size()+16); e.SetKey(key, key.size(), params); cout << " Encrypted 3at: " << get_curr_datetime_str() << endl; StringSource ss(message, true, new StreamTransformationFilter(e, new StringSink(cipher))); cout << " returning cipher " << endl; cout << " Encrypted 4at: " << get_curr_datetime_str() << endl; return cipher; } catch (CryptoPP::Exception e) { std::cerr << e.what() << std::endl; return ""; } } On Friday, May 12, 2023 at 11:17:32 AM UTC-4 Jeffrey Walton wrote: > On Fri, May 12, 2023 at 10:48 AM Dwight Kulkarni <dwi...@realtime-7.com> > wrote: > > > > The new library is much faster, but I am still not getting that speed in > the code. 1 second to encrypt 5 mb versus 3 seconds before. > > > > I added the .reserve(...) code also. > > Well, you should profile your code to find the bottlenecks. > > Jeff > -- You received this message because you are subscribed to the Google Groups "Crypto++ Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to cryptopp-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/cryptopp-users/e51a4bd3-8196-4ac4-8a95-1e8dd58fa5fcn%40googlegroups.com.