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