I email responded but it looks like that didn't go through so first of all
thank you for answering my questions so fast! I can't wait to contribute
back to this project and just in case anyone finds this on a search engine
later here is what my code ended up looking like after Jeffry's great
advice:
std::string Account::encryptData(const char *pubKeyPath, std::string data)
{
// Load the public key (encryptor)
CryptoPP::FileSource pubFile(pubKeyPath, true, new
CryptoPP::HexDecoder);
CryptoPP::RSAES_OAEP_SHA_Encryptor encryptor(pubFile);
encryptor.AccessKey().Load(pubFile);
// Check that message is short enough for keysize (must be shorter than
key)
if (data.size() > encryptor.FixedMaxPlaintextLength()) {
std::cout << "[ANDataStore] Cannot encrypt string, it is too
long\n";
return "";
}
// Todo: add entropy?
CryptoPP::AutoSeededRandomPool rng;
// If the key is valid, encrypt the data
if (encryptor.AccessKey().Validate(randPool, 3)) {
std::string result;
CryptoPP::StringSource(data, true,
new CryptoPP::PK_EncryptorFilter(rng,
encryptor,
new CryptoPP::HexEncoder(
new CryptoPP::StringSink(result))));
std::cout << "[aAccount]: data has been encrypted\n";
return result;
} else {
std::cout << "[aAccount]: Public key validation failed!\n";
return "";
}
}
You definitely shouldn't copy paste my code but maybe that'll help someone
else out as well :) Thanks again! ~Patrick
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