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#include <cryptopp/cryptlib.h>
#include <cryptopp/osrng.h>
#include <cryptopp/secblock.h>
#include <cryptopp/sha.h>
#include <cryptopp/sha3.h>
#include <cryptopp/base64.h>
#include <cryptopp/filters.h>
#include <cryptopp/gcm.h>
#include <cryptopp/rsa.h>
#include <cryptopp/pssr.h>
int main() {
{
CryptoPP::SHA512 sha2;
unsigned char digest[CryptoPP::SHA512::DIGESTSIZE];
sha2.Final(digest);
}
{
std::string data;
const CryptoPP::SecByteBlock key;
const CryptoPP::SecByteBlock iv;
CryptoPP::SecByteBlock ret(0, CryptoPP::AES::MAX_KEYLENGTH);
CryptoPP::StringSource(data, true, new CryptoPP::HashFilter(*(new CryptoPP::SHA3_512), new CryptoPP::ArraySink(ret, CryptoPP::AES::MAX_KEYLENGTH)));
CryptoPP::GCM< CryptoPP::AES, CryptoPP::GCM_64K_Tables >::Encryption pwenc;
pwenc.SetKeyWithIV(key.data(), key.size(), iv.data(), iv.size());
std::string cipher;
CryptoPP::StringSource(data, true, new CryptoPP::AuthenticatedEncryptionFilter(pwenc, new CryptoPP::StringSink(cipher), false, 16));
}
{
const CryptoPP::SecByteBlock key;
const CryptoPP::SecByteBlock iv;
CryptoPP::GCM< CryptoPP::AES, CryptoPP::GCM_64K_Tables >::Decryption pwdec;
pwdec.SetKeyWithIV(key.data(), key.size(), iv.data(), iv.size());
}
{
CryptoPP::SecByteBlock ret(0, CryptoPP::AES::BLOCKSIZE);
std::string str;
CryptoPP::StringSource(str, true, new CryptoPP::Base64Decoder(new CryptoPP::ArraySink(ret, CryptoPP::AES::BLOCKSIZE)));
}
return 0;
}
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