We Need wallet address of 7 months for clean transactions, traceable on Blockchain, Ratio 45%/45%/10% Sender/Reciever/Mandate Telegram sender: @Arik_loader
On Thu, Nov 2, 2023, 7:23 PM Catherine Issabel <[email protected]> wrote: > > $500 million dollars available only for good and trusted receiver or > mandate > Kindly contact the sender for more information:+1 (336) 345-9681 > On Friday, August 4, 2023 at 6:28:39 PM UTC+1 [email protected] wrote: > >> Also, their version of Base32Decoder uses DUDE instead of RFC 4648. >> >> On Friday, August 4, 2023 at 2:14:12 PM UTC+1 Steven Green wrote: >> >>> Shouldn't... >>> >>> * hmac.Update(byteArray, sizeof(byteArraySize));* >>> >>> be simply.. >>> >>> >>> * hmac.Update(byteArray, byteArraySize); * >>> >>> Otherwise you passing in sizeof(size_t) rather than the size of the >>> byteArray (which is sizeof(uint64_t)). Although on a 64 bit system I would >>> expect them both to be 8 bytes, so maybe there is another problem. >>> >>> Otherwise the function looks very similar to what I have. >>> >>> - Steven >>> On 03/08/2023 10:51, Aravindh B wrote: >>> >>> Need to get some information how counter value is handled in this >>> library. >>> >>> std::string generateTOTP(const std::string& secretKey) { >>> >>> using namespace CryptoPP; >>> const int timeStep = 30; // Time step in seconds >>> SecByteBlock key(HMAC<SHA1>::DEFAULT_KEYLENGTH); >>> StringSource(secretKey, true, new Base32Decoder(new ArraySink(key, >>> key.size()))); >>> >>> // Get the current time in 30-second intervals (TOTP time step) >>> std::time_t currentTime = std::time(nullptr); >>> uint64_t counter = static_cast<uint64_t>(currentTime) / timeStep; >>> const size_t byteArraySize = sizeof(counter); >>> byte* byteArray = new byte[byteArraySize]; >>> >>> //Big endian representation >>> for (size_t i = 0; i < byteArraySize; ++i) { >>> byteArray[sizeof(counter) - 1 - i] = static_cast<byte>((counter >> (8 * >>> i)) & 0xFF); >>> } >>> >>> // Calculate the HMAC-SHA1 using the secret key and the counter bytes >>> byte mac[CryptoPP::HMAC<CryptoPP::SHA1>::DIGESTSIZE]; >>> CryptoPP::HMAC<CryptoPP::SHA1> hmac(key, sizeof(key)); >>> >>> * hmac.Update(byteArray, sizeof(byteArraySize)); * hmac.Final(mac); >>> >>> // Generate the TOTP value from the last 4 bits of the HMAC-SHA1 result >>> int offset = mac[CryptoPP::HMAC<CryptoPP::SHA1>::DIGESTSIZE - 1] & 0xF; >>> uint32_t otpValue = (mac[offset] & 0x7F) << 24 | >>> (mac[offset + 1] & 0xFF) << 16 | >>> (mac[offset + 2] & 0xFF) << 8 | >>> (mac[offset + 3] & 0xFF); >>> >>> // Convert the OTP value to a 6-digit OTP (modulo 10^6) >>> otpValue %= 1000000; >>> >>> //Format the OTP as a 6-digit string with leading zeros if needed >>> std::string otp = std::to_string(otpValue); >>> otp.insert(otp.begin(), 6 - otp.size(), '0'); >>> delete[] byteArray; >>> >>> return otp; >>> } >>> >>> This code have issues with hmac.update(). Seems problem with counter >>> value.Does anyone help to generate correct otp? >>> >>> -- >>> 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 [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/cryptopp-users/5cc93e58-cf8b-41fd-9855-8b84e707b19fn%40googlegroups.com >>> <https://groups.google.com/d/msgid/cryptopp-users/5cc93e58-cf8b-41fd-9855-8b84e707b19fn%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >>> -- > 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cryptopp-users/ef830633-e0ca-417f-b23a-6cdb32ac237dn%40googlegroups.com > <https://groups.google.com/d/msgid/cryptopp-users/ef830633-e0ca-417f-b23a-6cdb32ac237dn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/cryptopp-users/CAOLESwnyCwLm2c6gfaZM60%3D_d%3DpQzdzSMsH0fEnfj8RTHUH3%2Bg%40mail.gmail.com.
