Hi, How to Launch Smart Contract-Based Cryptocurrency MLM Software? <https://www.brsoftech.com/blog/smart-contract-based-cryptocurrency-mlm-software/>
On Thu, Sep 22, 2022 at 2:31 PM Anton Schmidt <schmidt.a...@gmail.com> wrote: > Just load file data into memory buffer (std::vector<CryptoPP::byte>) and > use filter pipeline with VectorSource and VectorSink. > https://cryptopp.com/docs/ref/class_vector_source.html > https://cryptopp.com/docs/ref/class_vector_sink.html > > четверг, 22 сентября 2022 г. в 00:59:54 UTC+7, kakaa...@gmail.com: > >> I'm encrypting a file this way: >> >> >> #include <cryptopp/files.h> >> #include <cryptopp/modes.h> >> #include <cryptopp/osrng.h> >> #include <cryptopp/base64.h> >> #include <cryptopp/hex.h> >> #include <Windows.h> >> #include <iostream> >> #include <fstream> >> >> >> void FileEncrypt(byte key[], byte iv[] >> , const std::string& file, const std::string& dest) >> { >> CTR_Mode< AES >::Encryption cipher; >> cipher.SetKeyWithIV(key, strlen((char*)key), iv, >> strlen((char*)iv)); >> >> std::ifstream in{file, std::ios::binary}; >> std::ofstream out{dest, std::ios::binary}; >> >> CryptoPP::FileSource{in, true, >> new CryptoPP::StreamTransformationFilter{ >> cipher, new CryptoPP::FileSink{out}}}; >> } >> >> INT main(INT argc, PCHAR* argv) >> { >> std::string file = "..."; >> std::string dest = "..."; >> >> unsigned char* key[] = "p3s6v9y$B&E)H@Mc"; >> unsigned char* iv[] = "VkXp2s5v8y/B?E(H"; >> >> FileEncrypt(key, iv, file, dest); >> FileDecrypt(key, iv, file, dest); >> } >> >> >> Then when needed i'm downloading the encrypted file from my repo. >> >> I've been able to decrypt it with: >> >> ```c++ >> void FileDecrypt(byte key[], byte iv[] >> , const std::string& file, const std::string& dest) >> { >> CTR_Mode< AES >::Decryption cipher; >> cipher.SetKeyWithIV(key, strlen((char*)key), iv, >> strlen((char*)iv)); >> >> std::ifstream in{file, std::ios::binary}; >> std::ofstream out{dest, std::ios::binary}; >> >> CryptoPP::FileSource{in, true, >> new CryptoPP::StreamTransformationFilter{ >> cipher, new CryptoPP::FileSink{out}}}; >> } >> ``` >> But this way the decrypted file is saved to disk, how could i decrypt it >> on memory without saving to disk? >> > -- > 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/15333873-9cf5-428e-a22b-82b9f9b5b5e8n%40googlegroups.com > <https://groups.google.com/d/msgid/cryptopp-users/15333873-9cf5-428e-a22b-82b9f9b5b5e8n%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 cryptopp-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/cryptopp-users/CABUB1NT5UToHVdoQoUDWPjaRxth2K4YXMyLAmBuyw88kJ_F7Gw%40mail.gmail.com.
